CUB CADET LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Printed In USA
Il l u s t r a t e d Pa r t s Ma n u a l
Hydrostatic Lawn Tractor — SLT1550 & SLT1554
Form No. 769-03888
(February 29, 2008)
2
SERIES 1550 & 1554 HYDROSTATIC LAWN TRACTORS
TABLE OF CONTENTS
DESCRIPTION PAGE
Axle, Front .......................................................................................12
Battery ...............................................................................................6
Deck, 50-inch .................................................................................22
Deck, 54-inch .................................................................................24
Dash Panel ......................................................................................6
Drive System .................................................................................10
Electrical Schematic ....................................................................38
Engine Accessories .....................................................................16
Fender ..............................................................................................8
Frame ...............................................................................................14
Fuel Tank ..........................................................................................8
Head Lamp .....................................................................................4
Hood .................................................................................................4
Lift Linkage ....................................................................................20
Label Map .......................................................................................21
Pedal Assembly .............................................................................19
PTO ....................................................................................................14
Seat ...................................................................................................18
Steering ...........................................................................................12
Transmission, Hydrostatic ........................................................26
Wheels, Front & Rear ...................................................................3
DESCRIPTION PAGE
SV730 & SV740 KOHLER TWIN-CYLINDER ENGINES
Air Intake/Filtration ......................................................................28
Blower Housing .............................................................................29
Crankcase ........................................................................................30
Cylinder Head ................................................................................32
Engine Controls .............................................................................33
Fuel System .....................................................................................34
Ignition / Electrical .......................................................................35
Oil Pan / Lubrication ....................................................................36
Starting System .............................................................................37
NOTE: For painted parts, please refer to the list of color codes below. Please add the applicable color
code, wherever needed, to the part number to order a replacement part. For instance, if a part, num-
bered 700-xxxx, is painted Cub Yellow, the part number to order would be 700-xxxx-0716.
Cub Yellow: 4021
Cub Beige: 0499
Powder Black: 0637
3
Wheel Assembly
1
2
3
4
5
6
7
Ref.
Part Number Description
1 734 -0 4174 Tire, 22 x 9.5 x 12 Square Shoulder
2 634-04238 Rim Assembly, 12.0 x 7.0 (4-Lug)
734-0255 Valve, Tubeless Air (not shown)
3 712-3050 Lug Nut, 7/16-14
4 734-1731 Tire, 15 x 6 x 6 Square Shoulder
5 634-04405 Rim Assembly, 6 x 4.5 (Includes Flange Bearings and Valve)
741-0990B Bearing, Flange .760 ID w/ Grease Ftg.
741-0516B Bearing, Flange .760 x 1.00 x 1.20 Lg.
6 734-0255 Valve, Tubeless Air
7 731-05674 Hub Cap
4
Hood & Grille
1
3
3
7
2
4
4
6
23
6
11
3
5
5
21
20
26
19
25
22
13
15
16
4
8
5
14
18
10
29
28
9
27
12
17
17
24
5
5
Hood & Grille
Ref. Part Number Description
1 683-04218 Bumper
2 710-04471 Bolt, Ball Shoulder, 5/16-18 x .48
3 710-04484 Screw, Hex, 5/16-18 x .750
4 710-0642 Screw, Self Tapp, 1/4-20 x.750
5 710-0895 Screw, 1/4-15 x.750
6 712-04063 Nut, Flange Lock, 5/16-18
7 712-04065 Nut, Nylon Lock, 3/8-16
8 714-0104 Pin, Cotter,.072 Dia. x 1.13
9 731-05053B Hood
10 731-05103 Grill
11 731- 0 5111 Lens
12 731- 05129 Hood Plenum
13 731-05291 Vinyl Strip, 2.5”
14 731-05368 Cap, Bumper
15 732- 04281A Latch Spring
16 736-0173 Washer, Flat, .28 x .74 x .063
17 738-0143 Screw, Shoulder, 3/8-16
18 738-04091A Screw, Shoulder, 5/16-18
19 747-04494 Hood Latch Rod
20 747-1323A Rod,.250 Dia. x 4.55
21 783 -04717A Latch Pivot Bracket
22 783-04848 Latch Plate
23 783-05028 Hood Pivot Rod
24 783-05029A Hood Hinge Bracket
25 783-0726E Pivot Support Bracket, RH
26 783-0727D Pivot Support Bracket, LH
27 783-0728B Pivot Bar Bracket
28 725-0963 Miniature Lamp, 12V
29 725-1649 Lamp Socket
— 629-04142A* Headlight Harness
* Not Shown
6
Dash Assembly, Battery & Solenoid
1
2
3
4
5
5
5
6
7
8
21
10
11
12
20
24
25
23
26
6
5
8
13
8
19
18
38
39
15
9
9
22
21
14
15
16
17
32
33
29
28
30
31
27
34
35
36
37
7
Dash Assembly, Battery & Solenoid
Ref. Part Number Description
1 683-04231 Dash Support, LH
2 683-04232 Dash Support, RH
3 710-0192 Screw, #10-24 x .375
4 710-04471 Screw, Shoulder Ball, 5/16-18 x .48
5 710-04484 Screw, Hex, 5/16-18 x .750
6 710-0599 Screw, Self-tapping, 1/4-20, 0.500
7 710-0607 Screw, Hex, 5/16-18 x .500
8 710-0642 Screw, 1/4-20, .750
9 710-0895 Screw, 1/4-15, 0.750
10 710 -1611B Screw, Torx Hd. Tapp. 5/16-18 x .75
11 710 -3217 Screw, Machine, #8-32, 0.375
12 712-0142 Nut, 8-32
13 712-3004A Nut, Flangelock, 5/16-18
14 714-0104 Internal Cotter Pin, .072 x 1.13
15 727-04142 Gas Spring Cylinder
16 731-04293A Lever, Dash, Brake
17 731-04294A Lever, Dash, Cruise
18 731-05077C Cub 1500 Dash
19 731-05659 Steering Column Bearing
20 731-3161A Knob, Throttle Control
21 736-0173 Washer, Flat, .28 x .74 x .063
* Not Shown
Ref. Part Number Description
22 747-04215 Hold-down Rod, Battery
23 747-1323A Rod, .250 Dia x 4.25 Lg.
24 783-05240A Bracket, Steering Support
25 783-05469 Bracket, Support, Battery
26 783-1499 Bracket, Rod, Dash
27 73 8 -1132 Shoulder Screw, .250 x .150, 1/4-20
28 712-3087 Wing Nut, 1/4-20
29 725-1750A Battery, 235 CCA (LT1046 & LT1050)
30 712-0271 Nut, Sems, 1/4-20
31 710-04666 Screw, Flange, 1/4-20, .75,
32 725-04175 Switch, PTO, Yellow
33 725-2054A Ignition Key, Plastic
725-174 4A Ignition Key, Metal
34 725-04227B Switch Module, Ignition
35 746 -04120 Choke, 40.5 x 2.0
36 725-04022B Monitor, Sys. Indicator / Hour Meter
37 746 - 04352 Throttle, 38.0 x 1.62
38 725-04439 Solenoid, 12V, 100 Amp
39 710-0642 Screw, 1/4-20
— 725-04405A* Wire Harness
— 725-2003* 12V Power Receptacle
8
Fender & Fuel Tank
9
9
1
1
10
15
16
17
7
3
12
5
14
4
3
5
11
6
8
2
13
9
Fender & Fuel Tank
Ref. Part Number Description
1 710-0451 Bolt, Carriage, 5/16-18 x .750
2 710-0599 Screw, Self-tapping, 1/4-20, 0.500
3 710-04484 Screw, 5/16-12, 0.75
4 710-0895 Screw, 1/4-15, 0.750
5 712-04063 Nut, Nylon Lock, 5/16-18
6 731-2616A Cover, Fender, RH
7 731-2617 Cover, Fender, LH
8 736-0607 Washer, Lock, 5/16 External Tooth
9 736-3078 Washer, Flat, .349 x 1.00 x .063
10 783- 04477A Fender
11 783-0677B Bracket, Lift, Adjustment
12 783-1489C Bracket, Seat, Mount
13 751-3124D Cap, Fuel
14 751-0819B Tank, Fuel
15 735-0697A Pad, Foot, LH
16 735-0698B Pad, Foot, RH
17 726-3046 Clip, Ratchet, .250 Dia
10
Drive System
1
17
16
37
18
33
23
45
10
19
36
7
35
50
40
15
49
47
28
30
15
11
51
6
20
41
11
48
26
31
49
13
46
29
27
22
24
12
5
39
38
43
14
20
8
34
21
3
25
42
44
20
32
9
2
3
9
43
Attach Spring Here
Detail A
Detail A
11
Drive System
Ref. Part Number Description
1 178 40 Bracket, Mounting, Transaxle
2 618-04270B Transmission, Hydrostatic
3 618-04228 Hub Assembly, Wheel
4 629 -04124 Harness Assembly, Grnd. & Rev.
5 710-0227 Screw, #8-18, 0.500
6 710-04484 Screw, 5/16-12, 0.75
7 710-0520 Hex Cap Screw, 3/8-16, 1.50, Gr5
8 710-0627 Hex Cap Screw, 5/16-24 x .750
9 710-0653 Screw, 1/4-20 x .375
10 710-0778 Hex Cap Screw, 1/4-20, 1.5, Gr5
11 710-1007 Screw, 3/8-16, x 1.50
12 710-1266 Hex Cap Screw, 5/16-18,3.5, Gr5
13 710 -3 011 Hex Cap Screw, 3/8-16, 2.25, Gr5
14 7 11- 0 8 32 Ferrule, 3/8-24 x .375 Dia
15 712- 0240 Nut, Jam, 7/16-20, Gr2
16 712-0346 Nut, Jam Lock, 1/2-20, Gr5
17 712-04063 Nut, Hex Nylon Lock, 5/16-18
18 712-0431 Nut, Flange Lock, 3/8-16
19 712-3017 Nut, Hex, 3/8-16, Gr8
20 714 - 0111 Pin, Cotter, 3/32, 1.0
21 725-0157 Cable, Tie, 3/16 x .05 x 7.4
22 725-1644 Switch, Spring, Short
23 726-0154 Tie, Cable, Push Mount 7.5 Lg
24 726-0320 Plate, Insulator Nut
25 731-05300 Sleeve, 2.4”
26 731-06098 Fan, Blade
Ref. Part Number Description
27 732-0209 Spring, .48 OD x 2.03 Extension
28 732-04323B Spring, Extension, .563 Dia x 3.72 Lg
29 732-0716D Spring, Extension, .59 OD x 4.00 Lg
30 732-0729 Ring, Wire
31 732-0994 Spring, Extension, .500 Dia x 7.0
32 732 -3118 Spring, Extension, 3/8 OD x 1.44
33 736-0169 Washer, Lock, 3/8, Regular Duty
34 736-0242 Bell Washer
35 736-0258 Washer, Flat, .385 x 1.0 x .135
36 736-0300 Washer, Flat, .406 x .875 x .059
37 736-04263 Washer, Lock, Hydro
38 736-3010 Washer, Flat, .407 x .812 x .135
39 783-1019B Bracket, Actuator, Switch
40 738-0372B Spacer, Shoulder, 1.00 x .38 x .38
41 747-04139 Rod, Brake, Hydro
42 747-1149 Rod, Hydro Bypass
43 747-1151 Rod, Control, Hydro
44 748-0334 Spacer, T-axle .68
45 750-0566A Spacer, 1”
46 754-04165 Belt, V Type, Poly
47 756-04224 Pulley, Idler, Flat 2.75 OD
48 756-04308 Pulley, Engine, 4.13 Dia.
49 756-04325 Pulley, Idler, V Type x 3.06 Dia
50 783-04442 Bracket Assembly, Idler, Center Dbl
51 783-0810B Bracket, Transmission, Torque
12
22
26
12
17
19
1
17
7
28
21
29
24
30
28
9
6
4
18
11
14
23
5
27
10
8
7
2
16
20
3
13
15
25
Steering
13
Steering
Ref. Part Number Description
1 710-04095 Hex Cap Screw, 3/8-16, 1.00
2 710-0514 Hex Cap Screw, 3/8-16, 1.00, Gr5, Std
3 710-0650 Self-tapping Screw, 5/16-18 x .75
4 711-14 0 8 Link, Drag, RH
5 711-14 0 9A Link, Drag, LH
6 712-0214 Nut, Hex, 3/8-24, Gr5
7 712-04065 Nut, Nylon Lock, 3/8-16
8 712-0459 Nut, Flange Lock, 7/16-20
9 712-3004A Nut, Flange Lock, 5/16-18
10 717-1550E Gear, Steering, 11/90 Ratio
11 717-1554 Gear, Pinion, Steering
12 723-0448A Ball Joint, 7/16-20
13 736-3004 Washer, Flat, .406 x .875 x .105
14 736-3084 Washer, Flat, .510 x 1.120 x .060
15 731-04532A Cover, Steering Wheel
16 738-04262 Shaft, Steering, .625 OD x 25.00 Lg
17 738-04154 Spacer, Shoulder, 1.00 x .38 x .38
18 741-0475 Bushing, Plastic, .380 ID
19 741-04237 Bearing, Hex Flange, 5/8
20 631-04008A Wheel, Steering, Three Spoke
21 714-0162 Pin, Cotter, 5/32, 1.25
22 719 -0 4177A Axle, Pivot Bar, Cast
23 726-0341 Push Cap, .75
24 736-04228A Washer, Flat, .781 x 1.590
25 748-04068 Spacer, .71 x .125 x .56
26 7 38 -1011A Screw, Shoulder, .500 x 2.23, 3/8-16
27 712-04065 Nut, Jam, 3/8-16, Grf.
28 638-04003A Axle Ass’y, LH .750 Dia.
638-04004A Axle Ass’y, RH .750 Dia.
29 634-04406 Wheel Assembly (See page 3 for breakdown)
30 731-05674 Hub Cap
14
Frame & Electric PTO Clutch
1
2
2
2
2
3
4
5
5
6
7
8
10
10
11
12
9
21
15
13
6
17
22
14
16
19
20
18
23
2
25
24
3
24
2
50” Deck Units
15
Frame & Electric PTO Clutch
Ref. Part Number Description
1 683-04173B Frame Assembly, Lower
2 710-04484 Screw, Self-tapping, 5/16-18, 0.75
3 710-0607 Screw, Hex Wash. Tapp, 5/16-18 x .5
4 710-1652 Screw, Hex Wash. Hd. Tapp, 1/4-20 x 0.625
5 710-3005 Hex Screw 3/8-16 x 1.25
6 712-04065 Nut, Nylon Lock, 3/8-16
7 732-04035 Spring, Compression, 1.28 OD x 3.125
8 736-0222 Washer, Lock, Ext. 1/4
9 783-04810C Frame, Upper
10 738-04058 Shoulder Spacer
11 741-04092 Snap Bushing
12 783-04746 Bracket, Frame, Seat
13 710 -3 011 Screw, 3/8-16 x 2.25 GR5
14 710-04379A Screw, Hex Cap , 7/16-20 x 3.5 GR5
15 725- 0157 Cable, Tie, 3/16 x .05 x 7.4
16 736 -0171 Washer, Lock, 7/16, Regular Duty
17 748-0415B Spacer, 3/8 x 1.54
18 756-0978B Electric PTO Engine Pulley
19 717-04174A Clutch, PTO (50” Deck Models)
717-1774 C Clutch, PTO (54” Deck Models)
20 736-0277 Washer, Flat, 1.031 x 1.62 x .095
21 710-0224 Screw, #10 - 16, x .500
22 17962 Switch Mounting Plate
23 725-04039 Interlock Switch
24 783-04975 Up-stop Bracket - 50” Deck Units Only
25 783-04419B Clutch Bracket
16
1
3
4
4
4
2
12
15
21
22
13
18
19
7
17
20
11
10
5
5
6
23
14
8
9
16
Engine Accessories
17
Engine Accessories
Ref. Part Number Description
1 710-0227 Screw, #8-18, 0.500
2 710-04484 Screw, 5/16-18, 0.750
3 710-04683 Screw, Hex, 3/8-16 x 1.00
4 710-0599 Screw, Hex, 1/4-20, 0.500
5 710-0642 Screw, Hex, 1/4-20, 0.750
6 710 -1314A Screw, 5/16-18, 0.75
7 783-05410 Muer Heat Shield
8 725-0157 Cable, Tie, 3/16 x .05 x 7.4
9 726-0205 Hose Clamp
10 728-04000 Rivet, Pop, .188 x .325
11 783-04783A Heat Shield, Twin
12 751-0564B Deector, Muer
13 751-10006 Pipe, Exhaust, RH
14 751-10007 Pipe, Exhaust, LH
15 751-10161 Muer, Dual Inlet
16 751-10349 Fuel Line, Low Permeation
17 751-10353 Extension, Deector
18 751-10517 Drain, Oil
19 751-3141 Extension Hose, Oil Drain
20 783-04573 Muer Bracket, LH
21 783-04574 Muer Bracket, RH
22 783-04576B Shield, Muer
23 KH -20-041-12-S Exhaust Gasket
18
Adjustable Seat
1
4
8
3
18
14
12
16
19
9
6
17
20
21
21
21
21
2
25
24
23
7
5
26
23
22
11
14
13
15
10
Ref.
Part Number Description
1 710-1268 Screw, #10-16, 0.375
2 712-04063 Nut, Nylon Lock, 5/16-18, Gr5
3 712-04064 Nut, Nylon Lock, 1/4-20 GrF
4 720-0309A Grip, Seat, Adjustment
5 726-0201 Nut, Speed, .3125 ID
6 731-04074 Spacer, Seat, Adjustment
7 732-0499 Spring, Compression .41 x 1.50
8 73 2-118 4 Spring, Extension, .80 Dia x 4.6
9 736-0204 Washer, Flat, .344 x ..620 x .033
10 736-0242 Washer, Flat, .340 x .872 x .060
11 736-3019 Washer, Flat, .531 x 1.062 x .134
12 738-0137A Screw, Shlder, .340 x .285, 1/4-20
13 738-0296 Shoulder, Screw .437 x .286 Lg
Ref.
Part Number Description
14 738-0966A Screw, Shoulder, .50 x.925, 3/8-16
15 783-0209D LH Bracket, Seat Lift
16 78 3 - 0 611 Stop, Seat, Adjustment
17 783-0738D Bracket, Seat Pivot
18 783-0739A Lever, Seat, Adjustment
19 783-0753 Selector, Seat, Adjustment
20 757-04058 Seat, Cub Cadet, High Back
21 757-04073 Arm Rest Kit (incl. scews, RH & LH)
22 710-0227 Screw, #8-18 x .50
23 726-0279 Plate, Insulator
24 725-1303 Spring Switch, Outer
25 725-1439 Spring Switch, Inner
26 726-0278 Plate, Insulator Boss
19
1
21
24
5
22
27
20
10
7
8
17
11
13
4
14
8
8
12
18
8
2
9
20
16
16
26
21
6
6
23
19
15
4
9
3
25
Ref.
Part Number Description
1 647-0049A Control Assembly, Hydro
2 647-04100 Control Assembly, Brake
3 710-04484 Screw, Self-tapping, 5/16-18, 0.75
4 710-1260A Screw, Self-tapping, 5/16-18, 0.75
5 711- 0 4159 B Pin, 3/8-16, 3/8 x 2.68
6 712-04065 Nut, Nylon Lock, 3/8-16
7 712-3004A Nut, Flange Lock, 5/16-18, Gr5
8 714-0104 Pin, Cotter, .072 Dia. x 1.13 Lg
9 714 - 0111 Pin, Cotter, 3/32, 1.0
10 719- 0584B Pedal, Hydro Control
11 732-0335 Spring, Compression, .405 x 1.17
12 732-0955 Spring, Extension, .50 OD x 1.41 Lg
13 732-0963 Spring, Extension, .50 Dia x 6.37 Lg
14 735-3049A Pad, Brake, Control
Ref.
Part Number Description
15 73 6 - 0119 Washer, Lock, 5/16
16 736-0187 Washer, Flat .64 x 1.24 x .06
17 736-0262 Washer, Flat, .385 x .870 x .092
18 738-0155 Shoulder, Screw .437
19 738-0380 Shoulder, Screw 3/8-16
20 741-0225 Bearing, Hex Flange
21 741-3065B Bearing, Hex Flange, .628 ID, Split
22 747-04093A Rod, Control, Brake Lock
23 747-04096 Rod, Control, Cruise
24 783-04641A Pedal, Brake
25 748-04039C Latch, Cruise
26 783-04612 Bracket, Support, Stearing
27 783-0663E Bracket, Lockout, Hydro
Pedal Assembly
20
Lift Assembly
1
2
8
14
2
13
13
11
11
10
12
12
15
8
18
18
15
16
3
3
4
4
17
17
5
14
9
6
7
7
19
6
Ref. Part Number Description
1 683-04223 Shaft Assembly, Lift (50” Deck)
683-04301 Shaft Assembly, Lift (54” Deck)
2 711- 0 33 2 Pin, Clevis, .50 Dia x .78 Lg
3 712-04063 Nut, Nylon Lock, 5/16-18, Gr5
4 712-04065 Nut, Nylon Lock, 3/8-16
5 714-0104 Pin, Cotter, .072 Dia. x 1.13 Lg
6 714 - 0111 Pin, Cotter, 3/32, 1.0
7 714-04023 Pin, Click, .092 x 1.64 Lg
8 716-0106A E-ring, .625 Dia. Shaft
9 7 20 - 0311 Grip, Handle
Ref. Part Number Description
10 732-0874 Spring, Torsion
11 738-0138A Screw, Hex Cap, 5/16-18x.620 Gr2
12 783-04963A Arm, Lift (50” Deck)
13 738-0380 Shldr. Screw, 3/8-16
14 741- 0225 Bearing, Hex Flange
15 746-0968 Cable, Lift, 16.16 Lg
16 747-04447 Handle, Lift
17 75 6 -115 4 Pulley, Roller
18 783-05546 Arm, Lift (54” Deck)
19 783-0720A Bracket, Deck
21
Deck Labels
777I22240
777I22459
777I22280
HOURS 1/10
PTO / BLADE PARKING
OILBATT.
LIFT ROD UP TO ENGAGE
TRANSMISSION.
LIFT ROD OUT AND DOWN
TO RELEASE TRANSMISSION.
HYDROSTAT IC BYPASS ROD
100%
50%
0%
777I22241
777S32484
777D09638
Right Side
777D09639
Left Side
SEAT ADJUSTER
RELEASE
777I20310
777D10279
777I22679
OIL
C
H
E
C
K
O
I
L
B
E
F
O
R
E
E
A
C
H
U
S
E
777X42027
777X42036
DO NOT LIFT HOOD HERE
LIFT USING HOOD LATCH LOCATED
IN THE FRONT OF THE TRACTOR
777I22265
DANGER
KEEP HANDS AND FEET AWAY.
DO NOT OPERATE MOWER
UNLESS CHUTE DEFLECTOR
OR ENTIRE GRASS CATCHER IS
IN ITS PROPER PLACE.
ASSEMBLE CHUTE DEFLECTOR TO THIS UNIT BEFORE OPERATING.
S30503
777S30503
777D10624
777S30015
• KEEP HANDS AND FEET AWAY FROM ROTATING PARTS.
• REMOVE OBJECTS THAT CAN BE THROWN BY THE
BLADE IN ANY DIRECTION. WEAR SAFETY GLASSES.
• DO NOT MOW WHEN CHILDREN OR OTHERS ARE AROUND.
NEVER CARRY CHILDREN EVEN WITH BLADES OFF.
• USE EXTRA CAUTION ON SLOPES. DO NOT MOW SLOPES
GREATER THAN 15˚. MOW UP AND DOWN, NOT ACROSS.
AVOID SUDDEN TURNS, USE LOW SPEED.
READ OPERATOR'S MANUAL. KEEP SAFETY DEVICES IN PLACE AND WORKING.
S30015
777D11758
777X43013
SLT 1554 Under Hood
Blades 942-0677B (3)
Lower Drive Belt 954-04165
Engine To Deck/Deck Spindle Belt
954-0642
Deck Spindles 918-04126A (3)
Ignition Keys 725-2054
Solenoid 725-04439
Oil Filter KH-52-050-02-S
Air Filter W/ Pre-Cleaner
KH-32-883-03-S1
Spark Plug 759-3336
F
uel Filter
KH-25-050-22-S1
Oil Capacity 57.6 oz
MODEL
SLT 1554
REPLACEMENT PARTS
Use only Cub Cadet genuine factory parts
www.cubcadet.com
PRODUCTION DATE SAMPLE QUANTITY
777D11622
777X42989
SLT 1550 Under Hood
Blades 942-04053B (3)
Lower Drive Belt 954-04165
Engine To Deck/Deck Spindle Belt
954-04164
Deck Spindles 918-04126A (3)
Ignition Keys 725-2054
Solenoid 725-04439
Oil Filter KH-52-050-02-S
Air Filter W/ Pre-Cleaner
KH-32-883-03-S1
Spark Plug 759-3336
F
uel Filter
KH-25-050-22-S1
Oil Capacity 57.6 oz
MODEL
SLT 1550
REPLACEMENT PARTS
Use only Cub Cadet genuine factory parts
www.cubcadet.com
die outline does not print
superLT 1554
die outline does not print
superLT1554
superLT1550
superLT1550
777D08735
Right Side
777D08734
Left Side
777D09289
Right Side
777D09288
Left Side
FAST
SLOW
Label Map
22
50-Inch Mowing Deck
A
B
A
B
8
19
28
44
44
36
10
41
6
36
46
4
20
15
32
24
21
56
22
49
27
37
17
53
5
19
19
40
18
35
39
12
9
34
30
31
48
26
7
14
8
1
10
19
33
19
2
57
47
45
8
3
29
25
52
42
13
19
38
57
54
60
58
60
11
58
56
20
55
2
59
16
44
23
43
50
51
23
50-Inch Mowing Deck
Ref. Part Number Description
1 16606 Hook, Retainer
2 618-04126A Spindle Assembly
3 683-0254B Hanger Bracket Assembly
4 683-04075B Weldment, 50-inch Deck
5 703-3279 Chute Stop
6 710-0347 Screw, 3/8-16, 1.75
7 710-04095 Screw, 3/8-16 x 1.0
8 710-04484 Screw, 5/16-18 x .75
9 710-0528 Screw, 5/16-18, 1.25, Gr5
10 710-0599 Screw, 1/4-20 x 0.5
11 756-04216 Pulley, 5.39”
12 710-3005 Screw, 3/8-16, 1.25
13 710-3103 Screw, 5/16-18 x 2.00
14 710 -3178 Screw, Carriage, 3/8-16 x .75
15 711 -17 37 Roller Pin
16 712-0206 Hex Nut, 1/2-13, Gr5
17 712-0229 Push Nut, 3/8
18 712-04063 Nut, Nylon Lock, 5/16-18
19 712-04065 Nut, Nylon Lock, 3/8-16
20 712- 0417A Nut, Hex, Flange, 5/8-18
21 712-0641 Nut, Hex, M16-1.5
22 712-3010 Nut, Hex, 5/16-18, Gr5
23 712-3083 Nut, Hex, 1/2-13, GrB
24 714 - 0111 Pin, Cotter, 3/32, 1.0
25 714-0470 Pin, Cotter, 1/8 x 1.25
26 717-04074 Deck Adjustment Gear
27 721-04041 Coupler, Hose
28 731-05679 Roller
29 732-0306A Spring, Compression, .531 x 1.75
30 732-0459C Spring, Extension, .94 x 6.74
Ref. Part Number Description
31 732-0934 Spring, Extension, 1.15 x 5.99
32 734-04155 Deck Wheel, 5.0
33 734-0973 Deck Wheel, 5.0
34 73 6 - 0119 Washer, Lock, 5/16
35 736-0225 Washer, Lock, 5/8 Internal tooth
36 736-0300 Washer, Flat, .406 x .875 x .059
37 737-04003D Port, Water
38 738-0373 Shoulder Screw, .496 x 1.525, 3/8-16
39 738-04162A Spacer, Shoulder, .884 x .190
40 738-3056 Shoulder Screw, .496 x 2.50, 3/8-16
41 742-04053C Blade, 17.90 Lg. Star hole, 2 in 1
42 747-1116 Rod, Deck Release .375 Dia.
43 747-1324 Rod, Deck .5" Dia. (50-inch Decks)
44 750 -0151 Spacer, .550 x .755 x 1.1
45 754-04164 Belt, V-Type
46 756 -04129 Pulley, Idler, 3.5”
47 783-05303 Idler Bracket
48 783-04399 LH Belt Cover
49 783-04400 RH Belt Cover
50 783- 04414A Deck Skirt, Center
51 783-04415 Deck Skirt, RH
52 631-04070A Chute Assembly, Side Discharge
53 783-04462 Lift Bracket, 50” Deck
54 750-1349A Spacer, .79 x 1.84 x .55
55 736-0315 Washer, Flat, .760 x 1.5 x .120
56 737-3000 Lube Fitting, 3/16
57 738-1010A Shaft, Spindle, 5.75
58 741- 0919 Ball Bearing, .787 x 1.85 x .551
59 748-0160A Spacer, .790 x 1.25 x .175
60 750-1000 Spacer, .800 x 1.10 x 1.322
24
54-Inch Mowing Deck
23
9
20
61
63
54
62
64
47
13
27
4
3
49
24
34
1
11
12
57
57
21
25
22
39
31
10
37
46
44
26
12
35
15
38
32
46
43
37
5
24
22
55
59
14
40
12
41
52
53
60
50
29
19
28
58
18
22
7
48
12
53
45
6
42
30
12
36
56
22
17
2
12
8
12
13
16
33
51
51
72
71
69
68
67
69
66
68
70
23
65
2
25
54-Inch Mowing Deck
Ref. Part Number Description
1 16606 Hook, Retainer Bracket
2 618-04126A Spindle Assembly
3 683-0254B Hanger Bracket Assembly
4 683- 04180A 54” Deck Weldment
5 683- 04182 Idler Arm Assembly
6 703-2093 Inner Rear Bae
7 703-3279 Chute Deector Stop
8 710-0347 Screw, 3/8-16 x 1.75
9 710-04095 Screw, 3/8-16 x 1.0
10 710-0528 Screw, 5/16-18 x 1.25
11 710-0599 Screw, 1/4-20 x.500
12 710-04484 Screw, 5/16-18 x .750
13 710-0623 Screw, 3/8-16 x.750
14 710-0650 Screw, 5/16-18 x .875
15 710-3103 Screw, 5/16-18 x 2.00
16 710-3168 Bolt, Carriage, 3/8-16 x 1.00
17 710-3178 Bolt, Carriage, 3/8-16 x.750
18 711-17 37 Pin, Roller,.5” Dia. x 10.06
19 712-0206 Nut, Hex, 1/2-13
20 712-0229 Push Nut, 3/8
21 712-04063 Nut, Flange Lock, 5/16-18
22 712- 04065 Nut, Flange Lock, 3/8-16
23 712- 0417A Nut, Hex, Flange, 5/8-18
24 712-0431 Nut, Flange Lock, 3/8-16
25 712-0641 Nut, Hex, M16-1.5
26 712-3010 Nut, Hex, 5/16-18
27 712-3022 Nut, Hex Lock, 1/2-13
28 712-3083 Nut, Hex Lock, 1/2-13
29 714 - 0111 Pin, Cotter, 3/32 x 1.00
30 714-0470 Pin, Cotter, 1/8 x 1.25
31 717- 04074 Deck Adjustment Gear
32 721-04041 Hose Coupler
33 731-05679 Front Roller
34 732-0306A Spring,.531OD x 1.75
35 732-04247 Spring, Ext., .850 Dia. x 6.415
36 732-0971 Spring, Ext., 1.010 Dia. x 6.50
Ref. Part Number Description
37 734- 04155 Deck Wheel
38 7 36 - 0119 Washer, Lock, 5/16
39 736-0225 Washer, Lock, 5/8, Internal Tooth
40 736-0275 Washer, Flat, .344 x .688 x .065
41 736-0300 Washer, Flat,.406 x.875 x.059
42 736-0921 Washer, Lock, 1/2
43 736-3010 Washer, Flat,.407 x .812 x .135
44 737-04003D Port, Water
45 738-1229A Screw,.625 x 2.50 x 1/2-13
46 738-3056 Shoulder Screw, .496 x 2.50, 3/8-16
47 742-0677B Blade, 18.5”
48 747-04384 Rod, Upstop, 54” LT
49 747-1116 Rod, Deck Release Handle
50 747-1324 Rod, Adjust. Front Deck .5" Dia.
51 750 -0151 Spacer,.550 ID x.755 OD x 1.1
52 754-0642 V-Belt
53 756-04129 Pulley, Idler, 4.25” Dia.
54 631-04070A Discharge Chute Ass’y. (inc. Ref. 61-64)
55 783- 04013A Bracket, Stabilizer, Pulley
56 783-04462 Lift Bracket, 54” Deck
57 783-04690B Skirt, Deck
58 783-04691 Cover, Belt, RH
59 783-04692 Cover, Belt, LH
60 783-04726 Bracket, Idler, Stationary
61 711- 0 45 65 Hinge Pin
62 731-05559B Dtr. Chute (Avail. assy. only - see ref. 54)
63 732-04372 Torsion Spring
64 783-05030 Chute Bracket
65 736 -0315 Washer, Flat, .760 x 1.5 x .120
66 756-04216 Pulley, 5.39”
67 748-0160A Spacer, .790 x 1.25 x .175
68 741- 0919 Ball Bearing, .787 x 1.85 x .551
69 750-1000 Spacer, .800 x 1.10 x 1.322
70 737-3000 Lube Fitting, 3/16
71 750-1349A Spacer, .79 x 1.84 x .55
72 738-1010A Shaft, Spindle, 5.75
26
A
A
Hydrostatic Transmission
27
Hydrostatic Transmission
NOTE: Include a HG- prex when ordering replacement
transmission parts (i.e. HG-70467).
28
4
5
8
1
2
3
7
6
9
Ref. Part Number Description
1 KH-24-164-51-S Manifold, intake (Includes 2,3)
2 KH-24-041-52-S Gasket, carburetor
3 KH-24-153-27-S O-Ring, intake port
4 KH-32-094-04-S Base, air cleaner (Includes 5,6)
5 KH-24-041-14-S Gasket, air cleaner base
6 KH-32-344-02-S Latch, air cleaner element
7 KH-32-083-03-S Element, air cleaner
8 KH-M-651040-S Screw, hex. ange M6x1.0x40
9 KH-32-083-05-S Pre-cleaner, element
SV730 & SV740 Twin-Cylinder Kohler Engine
Air Intake / Filtration
29
10
9
5
6
7
2
3
1
4
4
4
8
4
8
4
11
12
Ref. Part Number Description
1 KH-32-027-03-S Housing, blower (Includes 2, 41 037 10-S)
2 KH-32-096-08-S Cover, air cleaner
3 KH-M-545016-S Screw, hex. ange M5x0.8x16
4 KH-M-645016-S Screw, hex. ange M6x1.0x16
5 KH-32-146-05-S Plate, backing w/rectier-regulator opening
6 KH-32-063-12-S Bae, cylinder barrel - #2 side
7 KH-32-063-02-S Bae, valley - #2 side
8 KH-M-545010-S Screw, hex. ange M5x0.8x10
9 KH-32-063-03-S Bae, valley - #1 side
10 KH-32-063-10-S Bae, cylinder barrel-#1 side
11 KH-M-545020-S Screw, hex. ange M5x0.8x20
12 KH-24-086-12-S Screw, hex. cap M6x1.7x18
SV730 & SV740 Twin-Cylinder Kohler Engine
Blower Housing & Baffles
30
19
22
21
20
23
24
31
32
7
18
9
8
30
29
33
1
3
2
4
5
6
14
17
16
15
12
11
25
13
26
27
28
10
34
35
SV730 & SV740 Twin-Cylinder Kohler Engine
Crankshaft & Crankcase
31
Ref. Part Number Description
1 KH-32-038-01-S Kit, dipstick (Includes 2)
2 KH-12-153-02-S O-Ring
3 KH-M-545013-S Screw, hex. ange M5x0.8x16
4 KH-12-123- 04-S Tube, oil ll (Includes 5,6)
5 KH-12-153-02-S O-Ring, upper oil ll tube
6 KH-12-153-01-S O-Ring, lower oil ll tube
7 KH-24-126-19-S Bracket, oil ll tube
8 KH-24-032-01-S Seal, oil
9 Crankcase (USE: Miniblock KH-32-782-01)
10 KH-25-237-14-S Clamp, hose
11 KH-32-326-06-S Hose, breather
12 KH-M-547050-S Nut, hex. lock M5x0.8
13 KH-32-468-01-S Washer, sealing
14 KH-32-081-02-S Housing, breather
15 KH-32-072-02-S Stud, breather cover
16 KH-24-018-04-S Retainer, breather reed
17 KH-12-402-02-S Reed, breather
18 KH-24-380-16-S Pin, locating
19 KH-24-067-24-S Connecting Rod (Std.)
20 KH-24-874-38-S Piston w/Ring Set (Std.) (Inc. 21)
KH-24-874-27-S Piston w/Ring Set (.08)
KH-24-874-28-S Piston w/Ring Set (.25)
Ref. Part Number Description
21 KH-24-018-01-S Retainer, piston pin
22 KH-24-108- 05-S Ring Set (Std.)
KH-24-108-06-S Ring Set (.25)
23 KH-12- 422-10 -S Shim, camshaft (yellow)
KH-12-422-09-S Shim, camshaft (red)
KH-12-422-13-S Shim, camshaft (black)
KH-12-422-07-S Shim, camshaft (white)
KH-12-422-08-S Shim, camshaft (blue)
KH-12-422-11-S Shim, camshaft (green)
KH-12-422-12-S Shim, camshaft (gray)
24 KH-32-012-01-S Kit, camshaft
25 KH-M-645016-S Screw, hex. ange M6x1.0x16
26 KH-32-096-04-S Cover, breather
27 KH-32-041-01-S Gasket, breather cover
28 KH-32-050-01-S Filter, breather
29 KH-28-032-09-S Seal, governor cross shaft
30 KH-24-018-09-S Ring, retainer
31 KH-M-931010-S Washer, plain 8 mm
32 KH-24-468-15-S Washer, at 1/4"
33 KH-24-144-38-S Shaft, governor cross
34 KH-32-014-04-S Crankshaft (Includes 35)
35 KH-52-139-09-S Plug, cup
SV730 & SV740 Twin-Cylinder Kohler Engine
Crankcase & Crank Shaft
32
13
4
5678
11
10
9
2
22
23
14
16
19
21
2
20
15
1
12
18
17
3
Ref. Part Number Description
1 KH-24-755-141-S Kit, valve cover - plain (Includes 2,3)
2 KH-24-153-30-S O-Ring
3 KH-M-651030-S Screw, hex. ange M6x1.0x30
4 KH-32-318-01-S Head assembly, #1 cylinder
5 KH-12 755 03-S Kit, retainer
6 KH-12 173 01-S Cap, valve spring
7 KH-24 089 02-S Spring, valve
8 K H -2 35 011-S Retainer, spring
9 KH-66 032 05-S Seal, valve stem
10 KH-24 017 01-S Valve, intake (Std.)
KH-24 017 02-S Valve, intake (.25)
11 KH-24 016 01-S Valve, exhaust (Std.)
KH-24 016 02-S Valve, exhaust (.25
12 KH-32 019 01-S Tappet
13 KH-32 411 02-S Rod, push
14 KH-24 841 03-S Kit, cylinder head gasket (Includes head mounting
hardware & KH-24 -041-49-S, KH- 24-153-27-S)
15 KH-32 318 02-S Head assembly, #2 cylinder
16 KH-32-186-03-S Arm, rocker (before S/N 3633510953)
17 KH-25-100-33-S Nut, hex. M10x0.75
18 KH-25-086-128-S Screw, set
19 KH-25-599-01-S Pivot, rocker arm
20 KH-12-086-16-S Screw,Hex. ange M10x1.5x90
21 KH-32-072-04-S Screw, hex. ange M6x1.0x45
22 KH-32 096 06-S Kit, valve cover - breather (Includes 2)
23 KH-24 445 01-S Strap, lifting
24 KH-32-146-09-S Guide Plate (Not Illustrated)
25 KH-25 072 04-S Stud, M8x1.25x33 (Not Illustrated)
26 KH-24 041 49-S Gasket, exhaust manifold (Not Illustrated)
27 KH-M-841080-S Nut, hex. ange M8x1.25 (Not Illustrated)
SV730 & SV740 Twin-Cylinder Kohler Engine
Cylinder Head
33
19
24
17
16
20
21
15
22
23
18
25
10
14
13
12
8
9
11
6
1
2
3
5
7
4
27
26
Ref. Part Number Description
1 KH-24-211-03-S Bolt, round hd square neck
2 KH-24-090-33-S Lever, governor
3 KH-M-641060-S Nut, hex. ange M6x1.0
4 KH-24-089-01-S Spring, linkage
5 KH-25-158-08-S Bushing, linkage retaining
6 KH-24-079-04-S Linkage, throttle
7 KH-25-158-11-S Bushing, throttle linkage
8 KH-M-545016-S Screw, hex. ange, M5x0.8x16
9 KH-M-547050-S Nut, hex. lock M5x0.8
10 KH-24-089-03-S Spring, choke return
11 KH-24-126-161-S Bracket, control
12 KH-M-645016-S Screw, hx. ange M6x1.0x16
13 KH-47-237-02-S Clamp, dual conduit
14 KH-24-086-43-S Screw, thread forming
Ref. Part Number Description
15 KH-24-079-22-S Linkage, choke
16 KH-24-112-27-S Spacer, control assembly
17 KH-24-090-47-S Lever, throttle actuator
18 KH-24-090-13-S Lever, throttle control
19 KH-24-468-01-S Washer, plain 5.5 mm
20 KH-M-545020-S Screw, hx. ange M5x0.8x20
21 KH-41-468-03-S Washer, spring 1/4"
22 KH-24-090-05-S Lever, choke
23 KH-M-403025-S Screw, hex. head cap M4x0.7x25
24 KH-M-446030-S Nut, hex. M4x0.7
25 KH-24-468-20-S Washer, plain
26 KH-24-089-25-S Spring, governor
27 KH-24-089-55-S Spring, governor
SV730 & SV740 Twin-Cylinder Kohler Engine
Engine Controls
34
6
7
8
11
6
12
13
4
5
1
2
3
14
10
9
7
Ref. Part Number Description
1 KH-32-853-05-S Kit, carb. w/gaskets (Incl. 2,3) SV720
KH-32-853-04-S Kit, carb. w/gaskets (Incl. 2,3) SV730
2 KH-24-041-52-S Gasket, carburetor
3 KH-24-041-14-S Gasket, air cleaner base
4 KH-M-629105-S Stud, carburetor
5 KH-M-641060-S Nut, hex. ange M6x1.0
6 KH-25-237-14-S Clamp, hose
7 KH -2 5 -111- 34 -S Line, fuel (In lengths of 24" -
Cut to length as needed)
8 KH-25-431-10-S Anti-Abrasion Sleeve
9 KH-25-237-01-S Clamp, hose
10 KH-32-326-02-S Hose, fuel pump
11 KH-24-086-12-S Screw, hex. cap M6x1.7x18
12 KH-24-393-16-S Pump, pulse fuel
SV730 & SV740 Twin-Cylinder Kohler Engine
Fuel System
Ref. Part Number Description
13 KH-25-050-22-S Filter, fuel
14 KH-47-154-01-S Clip, cable
NOT ILLUSTRATED
KH-X-25-63-S Flat Washer, 1/4” (SV720)
KH-24-757-19-S Kit, service choke repair (SV720)
KH-24-757-36-S Kit, service choke repair (SV730)
KH-24-757-20-S Kit, service gasket repair (SV720)
KH-24-757-38-S Kit, service gasket repair (SV730)
KH-24-757-44-S Kit, oat w/gaskets (SV730)
KH-24-757-22-S Kit, solenoid valve w/gaskets (SV720)
KH-24-757-45-S Kit, solenoid valve w/gaskets (SV730)
KH-24-757-18-S Kit, overhaul w/gaskets (SV720)
KH-24-757-46-S Kit, overhaul w/gaskets (SV730)
35
14
10
9
8
13
11
15
12
6
5
1
4
7
2
3
Ref. Part Number Description
1 KH-32-162-03-S Screen, grass
2 KH-12- 086-14-S Screw, hex. ange M10x1.5x45
3 KH-12-468-03-S Washer, plain 3/8"
4 KH-20-146-05-S Plate, fan mounting
5 KH-32-157-01-S Fan
6 KH-32-025-08-S Flywheel
7 KH-X-42-15-S Key
8 KH-236602-S Connector (3 contact)
9 KH-M-551016-S Screw, heavy hex. ange M5x0.8x16
10 KH-41-403-10-S Rectier-regulator
SV730 & SV740 Twin-Cylinder Kohler Engine
Ignition / Electrical
Ref. Part Number Description
11 KH-237878-S Kit, 15 amp stator (Incl. KH-25-452-01-S)
12 KH-M-548025-S Screw, hex. head M5x0.8x25
13 KH-12-132-02-S Spark plug
14 KH-24-584-45-S Module, ignition
15 KH-M-545020-S Screw, hex. ange M5x0.8x20
NOT ILLUSTRATED
KH-32-176-14-S Kit, Wire Harness
KH-25-454-03-S Wire, Tie
KH-25-452-01-S Terminal
36
19
18
17
1
2
3
4
5
6
7
8
10
9
11
12
13
14
15
16
Ref. Part Number Description
1 KH-32-199-02-S Pan assembly, oil (Includes 2-15)
2 KH-32-086-01-S Screw, hex. ange thread forming shoulder
3 KH-32-393-10-S Oil pump assembly
4 KH-24-043-12-S Kit, governor gear w/pin (Includes 5)
5 KH-12-380-01-S Pin, governor regulating
6 KH-24-448-02-S Tab, locking
7 KH-12-144- 02-S Shaft, governor gear
8 KH-52-032-08-S Seal, oil (PTO end)
9 KH-32-123-01-S Tube, oil feed - lter to oil pan
10 KH-32-123-03-S Tube, oil feed - oil pan to lter
11 KH-24-153- 01-S O-Ring
12 KH-32-029-07-S Adapter, oil lter (Includes 13,14)
13 KH-25-139- 60 -S Plug, hex. ctsk. 1/8"
14 KH-32-153-04-S O-Ring, oil lter adapter
15 KH-32-136-03-S Nipple, oil lter
16 KH-25-099-24-S Switch, pressure
17 KH-52-050-02-S Filter, oil
18 KH-24-086-17-S Screw, hex. ange M8x1.25x45
19 KH-25-139-57-S Plug, sq. hd. solid 3/8"
SV730 & SV740 Twin-Cylinder Kohler Engine
Oil Pan / Lubrication
37
5
7
2
3
4
1
6
Ref. Part Number Description
1 KH-M-839080-S Screw, hex. ange M8x1.25x70
2 KH-32-098-01-S Starter assembly (Includes 3-5)
3 KH-12-755-39-S Kit, drive
4 KH-12-755-38-S Kit, drive parts
5 KH-32-141-01-S Retaining Ring
6 KH-32-211-01-S Thru-bolt
7 KH-12-243-04-S Commutator, end cap
SV730 & SV740 Twin-Cylinder Kohler Engine
Starting System
38
Electrical Schematic — All Models
Notes
39
CUB CADET LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
G
E
N
U
I
N
E
F
A
C
T
O
R
Y
P
A
R
T
S
To order replacement parts, call a Customer Support Representative at (800) 965-4CUB.
Locate your nearest Cub Cadet dealer at (877) 282-8684
or visit www.cubcadet.com to find the nearest Cub Cadet dealer in your area.
