MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Printed In USA
Illustrated Parts Manual
RZT Series Tractor
Form No. 769-07663
(November 17, 2011)
0637 Black
0709 Dark Green (Bolens, Yard-Man)
0662 Oyster Gray (MTD Gold)
0638 Red (Yard Machines, Huskee, Troy-Bilt, MTD)
0691 Black Jack (MTD Gold, MasterCut)
0674 Yellow (Yard-Man)
0650 Metallic Red (White Outdoor)
0629 Silver Flake (MTD Platinum)
04038 Day Orange (Daedong)
04033 Flint Mica (Troy-Bilt XP)
Thank you for purchasing an MTD Zero-Turn Tractor. It was
carefully engineered to provide excellent performance when
properly operated and maintained.
All information in this manual is relative to the most recent
product information available at the time of printing. Please be
aware that this Illustrated Part’s Manual may cover a range of
product specifications for various models.
Components listed and/or illustrated in this manual may not be
applicable to all models. We reserve the right to change product
specifications, designs and equipment without notice and
without incurring obligation.
Throughout this manual, all references to rig ht (RH) and left (LH)
are observed from the operating position.
To The Owner
2
Axle, Front/Front Wheels (42”) ............................. 24
Axle, Front/Front Wheels (50” & 54”) .................. 25
Electrical Accessories ............................................ 34
Consoles/Seat (U.S.) ................................................ 6
Consoles/Seat (Aus.) ............................................... 7
Drive System/Trans./Rear Wheels (42 & 50”) ...... 26
Drive System/Trans./Rear Wheels (54”) .............. 27
Engine Accessories (42” w/ Kohler) ........................ 8
Engine Accessories (42” w/ Briggs) ........................10
Engine Accessories (50” w/ Kohler) .......................12
Engine Accessories (50” w/ Kawasaki) ..................14
Engine Accessories (50” w/ Briggs) .......................16
Engine Accessories (54”) ........................................18
Frame ....................................................................... 4
Fuel Tank (42” w/ Kohler) ........................................ 8
Fuel Tank (42” w/ Briggs) .......................................10
Fuel Tank (50” w/ Kohler) .......................................12
Fuel Tank (50” w/ Kawasaki) .................................14
Fuel Tank (50” w/ Briggs) .......................................16
Fuel Tank (54”) ........................................................18
Deck Lift Handle/Linkage (42 & 50”) ................... 20
Deck Lift Handle/Linkage (54”) ............................ 22
Lapbar Levers (42 & 50”) ....................................... 20
Lapbar Levers (54”) ............................................... 22
Mower Deck (42”) .................................................. 28
Mower Deck (50”) .................................................. 30
Mower Deck (54”) .................................................. 32
Seat Adjustment ...................................................... 5
Table of Contents
Record Product Information
To ease in ordering replacement parts, please locate the model
plate on the equipment and record the information in the
provided area to the right. You can locate the model plate by
looking beneath the seat.
Model NuMber
Serial NuMber
Painted Parts
When ordering painted service parts, a four digit color suffix must be added to the part number (e.g. 783-XXXXX-0637).
Please refer to the table below for current color codes:
3
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4
Frame & Drive Idler Assembly
Ref. Part Number Description
1 603-04680A Frame Assembly
2 703-05829 Drive Idler Arm
3 710-0520 Hex Screw, ⁄-16 x 1.5
4 710-3005 Hex Screw, ⁄-16 x 1.25
5 712- 04065 Flange Nut, ⁄-16
6 732-0626 Extension Spring, .75 x 5.06
7 710-05097 Hex Screw, ⁄-16 x 1.5, GR2
8 738-04058 Shoulder Spacer, .39 x 1.0 x .7
9 738-04162A Shoulder Spacer, .884 x .19
10 756 - 04129B Idler Pulley, 4.25 Dia.
11 911- 0332† Clevis Pin, .50 Dia. x .78 Lg.
12 914-04023† Cotter Pin, .080 x 1.5625
13 749- 04358† Bumper
5
1
3
4
10
7
8
5
9
6
2
5
12
11
13
† If Equipped
5
3
9
5
3
2
8
4
3
1
7
8
10
6
11
Ref. Part Number Description
1. 703-08734 Seat Bracket
2. 710-04482 Hex Flange Bolt, ⁄-16 x .875
3. 710-04484 Hex Washer Screw, ⁄-18 x .750
4. 712-04063 Flange Lock Nut, ⁄-18
5. 732-04849 Compression Spring
6. 732-04563 Compression Spring
7. 736-0258 Flat Washer, .385 x 1.0 x .135
8. 938-0296 Shoulder Screw, .437 x .268 x ⁄-18
9. 783-06049 Seat Mount Bracket
10. 783-06050 Seat Adjustment Lever
11. 783-06448 Clip
Seat Adjustment
6
Operator’s Platform (U.S.)
20
16
7
7
9
7
3
7
15
7
1310
7
2
7
13
15
10
7
19
12
1
6
12
11
14
14
7
7
4
8
7
17
7
21
12
5
7
7
14
14
11
12
12
18
22
22
23
Ref.
Part Number Description
1 603-04564† Console Bracket Assembly
2 603-04946 Seat Frame Assembly
3 703-05373B Foot Rest Bracket
4 703-05894 Battery Hold-Down Bracket
5 703-06451† Console Mount Bracket
6 703-06623† Fuel Tank Support Bracket
7 710-04484 Hex Washer Screw, ⁄-18 x .750
8 710-0599 Hex Washer Screw, ⁄-20 x .500
9 710-0604A Hex Washer Screw, ⁄-18 x .625
10 710-0778 Hex Washer Screw, ⁄-20 x 1.500
11 710-0895 Hex Washer Screw, ⁄-15 x .750
12 710-3008 Hex Screw, ⁄-18 x .75 (TB)
710-04187 Screw, 1/4-15 X .50
13 912- 0298 Jam Nut, ⁄-20
Ref.
Part Number Description
14 712-04063 Flange Lock Nut, ⁄-18
15 712- 04092 Speed Nut, ⁄-20
16 726-3046 Ratchet Clip
17 731- 0511 Trim Strip
18 731-06233 RH Console (TB)
731-06478 RH Console (Oyster Gray)
19 731-06263B LH Console (TB)
731-06479A LH Console (Oyster Gray)
20 735-04082C Foot Pad
21 736-0148 Lock Washer, ⁄
22 726-0201 Speed Nut, .3125
23 757-04098 High-Back Seat Arm
757-04103 High Back Seat (TB)
757-04090 High Back Seat, 54” Deck Only
† If Equipped
7
Ref. Part Number Description
1 603-04564 Console Bracket Assembly
2 603-04663 Seat Frame Assembly
3 703-05373B Foot Rest Bracket
4 703-06451 Console Mount Bracket
5 703-06623 Fuel Tank Support Bracket
6 710-04484 Hex Washer Screw, ⁄-18 x .750
7 710-0604A Hex Washer Screw, ⁄-18 x .625
8 710-0778 Hex Washer Screw, ⁄-20 x 1.500
9 710-0895 Hex Washer Screw, ⁄-15 x 0.750
10 710 -1611B Screw, ⁄-18 x .750
11 710-3008 Hex Screw, ⁄-18 x .75
Ref. Part Number Description
12 912-0298 Jam Nut, ⁄-20
13 712-04063 Flange Lock Nut, ⁄-18
14 712- 04092 Speed Nut, ⁄-20
15 726-0201 Speed Nut, .3125
16 726-3046 Ratchet Clip, .250
17 731-06233 RH Console
18 731-06263B LH Console
19 735-04082C Foot Pad
20 736-0148 Lock Washer, ⁄
21 757-04098 High-Back Seat Arm
22 757-04090 High-Back Seat
19
16
22
8
12
14
10
10
6
6
21
11
2
5
6
7
6
6
6
3
6
6
6
1412
8
6
17
9
6
11
13
6
4
9
15
11
6
20
6
6
13
15
1
6
6
13
13
9
18
Operator’s Platform (Australian)
8
Engine Connection, 42” w/ Kohler Engine
15
27
15
3
20
8
9
16
26
10
7
24
6
17
25
7
14
13
2
22
23
6
11
11
1
28
5
6
17
18
4
31
32
33
33
30
37
39
40
36
35
38
34
19
12
21
29
9
Engine Connection, 42” w/ Kohler Engine
Ref. Part Number Description
1 703-05441A Muer Mount Bracket
2 710-0227 Hex Washer Screw, #8-18 x .500
3 710-1017 Screw, 1/4-14 x .625
4 710 -3157A Hex Screw, ⁄-20 x 3.25
5 710-0599 Hex Washer Screw, ⁄-20 x .500
6 710-04683 Hex Washer Screw, ⁄-16 x 1.000
7 710-3008 Hex Washer Screw, ⁄-18 x .75
8 710-3217 Machine Screw, #8-32 x .375
9 712- 0142 Hex Nut, #8-32
10 712-0271 Sems Nut, ⁄-20
11 712-04063 Flange Lock Nut, ⁄-18
12 912-3005 Flange Lock Nut, ⁄-16 +
13 917-04376A Electric PTO Clutch
14 726-0197 Cable Tie
15 726-0205 Hose Clamp
16 731-04914 Throttle Control Knob
17 736-0148 Lock Washer, ⁄
18 936 -0171 Lock Washer, ⁄
19 936-0300 Flat Washer, .406 x .875 x .059 +
20 746-04539 Throttle/Choke Control Cable *
746-04066 Throttle Cable +
21 946-04214 Choke Cable +
22 751-11053 Muer Deector
†† Equipped with CARB Fuel Tank
* — Domestic Models
+ — Australian Models
Ref. Part Number Description
23 751-0616B Dual Inlet Muer
24 751-10253 Exhaust Pipe, LH
25 751-10254 Exhaust Pipe, RH
26 751-10291A Oil Drain Hose
27 751-10349 Fuel Hose
28 756-04376 Engine Pulley
29 751-12089 -28 Hose Vent, 3/16 EPA
30 951-04209B Fuel Tank Assembly
— 935-0149 Fuel Tank Bushing
— 735-04081 Rubber Grommet
— 751-10442 Fuel Pick-Up Fitting
— 951-12428 Fuel Cap
— 751-12118 Rollover Valve
31 731-1999 Choke Plug *
32 736-0277 Flat Washer, 1.03 x 1.620 x .095
33 710-1314A Screw, 5/16-18 x .750
34 710-1238†† Screw 5/16-18 x .875
35 936-3008†† Washer, Flat, .344 x .750 x .120
36 951-10589†† Canister, Carbon, 5 Gallon
37 951-10590†† Filter, Vent, Canister
38 951-10610†† Bracket., Adapter, Canister
39 751-10749†† Hose, Fuel, Low Perm., White
40 751-10750†† Hose, Fuel, Low Perm., Yellow
10
Engine Connection, 42” w/ Briggs Engine
27
17
17
6
12
24
11
18
13
9
1
16
9
7
29
28
23
3
9
14
4
9
7
19
8
14
2
9
22
14
8
21
30
8
19
10
20
15
14
5
25
26
31
11
Engine Connection, 42” w/ Briggs Engine
Ref. Part Number Description
1 603- 04176A Exhaust Tube Assembly
2 703-05441A Muer Mount Bracket
3 703-05870 Muer Heat Shield
4 703-07712A Heat Shield
5 710-0227 Hex Washer Screw, #8-18 x .500
6 710-1017 Screw, 1/4-14 x .625
7 710-0599 Hex Washer Screw, ⁄-20 x .500
8 710 -1315 Hex Washer Screw, ⁄-16 x 1.250
9 710-3008 Hex Screw, ⁄-18 x .75
10 710-3157A Hex Screw, ⁄-20 x 3.25
11 710-3217 Machine Screw, #8-32 x .375
12 712-0142 Hex Nut, #8-32
13 712-0271 Sems Nut, ⁄-20
14 712-04063 Flange Lock Nut, ⁄-18
15 917-04376A Electric PTO Clutch
16 BS-692236 Exhaust Gasket
17 726-0205 Hose Clamp, .490
18 731-04914 Throttle Control Knob
19 736-0148 Lock Washer, ⁄
20 936 -0171 Lock Washer, ⁄
21 736-0277 Flat Washer, 1.031 x 1.620 x .095
22 936-3008 Flat Washer, .344 x .750 x .120
23 737-0125 Elbow Fitting, ⁄
24 946-04161 Throttle/Choke Control Cable
25 751-11053 Muer Deector
26 751- 0617C Single Inlet Muer
27 751-10349 Low Permeation Fuel Hose
28 951-10517A Oil Drain
29 751-3141-14 Oil Drain Extension Hose
30 756-04376 Engine Pulley
31 951-04209B Fuel Tank Assembly
— 935-0149 Fuel Tank Bushing
— 735-04081 Rubber Grommet
— 751-10442 Fuel Pick-Up Fitting
— 951-12428 Fuel Cap
— 751-12118 Rollover Valve
12
Engine Connection, 50” w/ Kohler Engine
15
27
15
3
20
8
9
16
26
10
7
24
6
17
25
7
14
13
2
22
23
6
11
11
1
28
5
6
17
18
4
12
19
21
33
30
29
34
36
37
33
32
35
31
13
Engine Connection, 50” w/ Kohler Engine
Ref. Part Number Description
1 703-05441A Muer Mount Bracket
2 710-0227 Hex Washer Screw, #8-18 x .500
3 710-1017 Screw, 1/4-14 x .625
4 710-04379A Hex Lock Screw, ⁄-20 x 3.50
5 710-0599 Hex Washer Screw, ⁄-20 x .500
6 710-04683 Hex Washer Screw, ⁄-16 x 1.000
7 710-3008 Hex Washer Screw, ⁄-18 x .75
8 710-3217 Machine Screw, #8-32 x .375
9 712- 0142 Hex Nut, #8-32
10 712-0271 Sems Nut, ⁄-20
11 712-04063 Flange Lock Nut, ⁄-18
12 731-1999 Choke Plug
13 917-04552 Electric PTO Clutch
14 726-0197 Cable Tie
15 726-0205 Hose Clamp
16 731-04914 Throttle Control Knob
17 736-0148 Lock Washer, ⁄
18 936 -0171 Lock Washer, ⁄
19 736-0277 Flat Washer, 1.03 x 1.620 x .095
20 746-04539 Throttle/Choke Control Cable
21 710-1314A Screw, 5/16-18 x .750
†† Equipped with CARB Fuel Tank
Ref. Part Number Description
22 751-11053 Muer Deector
23 751-0616B Dual Inlet Muer
24 751-10253 Exhaust Pipe, LH
25 751-10254 Exhaust Pipe, RH
26 751-10291 Oil Drain Hose
27 751-10349 Fuel Hose
28 756-04376 Engine Pulley
29 751-12089 -28 Hose Vent, 3/16 EPA
30 951-04209B Fuel Tank Assembly
— 935-0149 Fuel Tank Bushing
— 735-04081 Rubber Grommet
— 751-10442 Fuel Pick-Up Fitting
— 951-12428 Fuel Cap
— 751-12118 Rollover Valve
31 710 -1238†† Screw 5/16-18 x .875
32 936-3008†† Washer, Flat, .344 x .750 x .120
33 951-10589†† Canister, Carbon, 5 Gallon
34 951-10590†† Filter, Vent, Canister
35 951-10610†† Bracket., Adapter, Canister
36 751-10749†† Hose, Fuel, Low Perm., White
37 751-10750†† Hose, Fuel, Low Perm., Yellow
14
Engine Connection, 50” w/ Kawasaki Engine
22
12
25
8
24
9
18
5
16
16
28
17
33
10
14
7
30
7
29
31
23
4
6
19
19
6
32
11
1
27
26
2
3
20
11
13
21
6
15
15
Engine Connection, 50” w/ Kawasaki Engine
Ref. Part Number Description
1 703-05441A Muer Mount Bracket
2 710-0227 Hex Washer Screw, #8-18 x .500
3 710-04379A Hex Washer Screw, ⁄-20 x 3.50
4 710-0599 Hex Washer Screw, ⁄-20 x .500
5 710-1017 AB Screw, ⁄-14 x .625
6 710 -1315 Hex Washer Screw, ⁄-16 x 1.250
7 710-3008 Hex Screw, ⁄-18 x .75
8 710-3217 Machine Screw, #8-32 x .375
9 712- 0142 Hex Nut, #8-32
10 712-0271 Sems Nut, ⁄-20
11 712-04063 Flange Lock Nut, ⁄-18
12 912-3005 Flange Lock Nut, ⁄-16
13 917-04552 Electric PTO Clutch
14 926-0154 Cable Tie, 7.5
15 726-0197 Cable Tie
16 726-0205 Hose Clamp, .490
17 726-0272 Clamp, ⁄
18 731-04914 Throttle Control Knob
19 736-0148 Lock Washer, ⁄
20 936 -0171 Lock Washer, ⁄
21 736-0277 Flat Washer, 1.031 x 1.620 x .095
22 936-0300 Flat Washer, .406 x .875 x .059
23 737-04138 Fitting, 1.0
24 946-04581 Throttle Cable
25 946-04214 Choke Cable
26 751-11053 Muer Deector
27 751-0616B Dual Inlet Muer
28 751-10349 Fuel Hose
29 751-10770 RH Exhaust Pipe
30 751-10771 LH Exhaust Pipe
31 751-10291 Oil Drain Hose
32 756-04376 Engine Pulley
33 951-04209B Fuel Tank Assembly
— 935-0149 Fuel Tank Bushing
— 735-04081 Rubber Grommet
— 751-10442 Fuel Pick-Up Fitting
— 951-12428 Fuel Cap
— 751-12118 Rollover Valve
16
Engine Connection, 50” w/ Briggs Engine
18
20
10
8
11
17
16
22
16
23
12
25
9
9
9
14
2
9
1
14
6
7
6
6
19
3
6
19
15
5
24
21
13
13
4
3
26
17
Engine Connection, 50” w/ Briggs Engine
Ref. Part Number Description
1 603-04162 RH Exhaust Assembly
2 603-04163 LH Exhaust Assembly
3 756-04376 PTO Pulley
4 703-05441A Muer Mount Bracket
5 710-0227 Hex Washer Screw, #8-18 x 0.500
6 710-04683 Hex Washer Screw, 3/8-16 x 1.000
7 710-0599 Hex Washer Screw, 1/4-20 x 0.500
8 710-1017 AB Screw, 1/4-14 x 0.625
9 710-3008 Hex Screw, 5/16-18 x .75
10 710-3217 Machine Screw, #8-32 x 0.375
11 712-0142 Hex Nut, #8-32
12 712-0271 Sems Nut, 1/4-20
13 712- 04063 Flange Lock Nut, 5/16-18
14 721-0460 Exhaust Gasket
15 726-0197 Cable Tie
16 726-0205 Hose Clamp, .490
17 731- 04914 Throttle Control Knob
18 731-1999 Choke Plug
19 736-0148 Lock Washer, 3/8
20 746-04539 Throttle/Choke Control Cable
21 751-0616B Dual Inlet Muer
22 751-10349 Fuel Hose, 1/4
23 951-10517A Oil Drain
24 751-11053 Muer Deector
25 751-3141-14 Oil Drain Extension Hose
26 951-04209B Fuel Tank Assembly
18
15
27
15
3
20
8
9
16
26
10
7
24
6
17
25
7
14
13
2
22
23
6
11
11
1
28
5
6
17
18
4
12
19
21
21
29
30
Engine Connection, 54”
19
Engine Connection, 54”
Ref. Part Number Description
1 703-05441A Muer Mount Bracket
2 710-0227 Hex Washer Screw, #8-18 x .500
3 710-1017 Screw, 1/4-14 x .625
4 710-04379A Hex Lock Screw, ⁄-20 x 3.50
5 710-0599 Hex Washer Screw, ⁄-20 x .500
6 710-04683 Hex Washer Screw, ⁄-16 x 1.000
7 710-3008 Hex Washer Screw, ⁄-18 x .75
8 710-3217 Machine Screw, #8-32 x .375
9 712- 0142 Hex Nut, #8-32
10 712-0271 Sems Nut, ⁄-20
11 712-04063 Flange Lock Nut, ⁄-18
12 731-1999 Choke Plug
13 917-1774C Electric PTO Clutch
14 726-0197 Cable Tie
15 726-0205 Hose Clamp
16 731-04914 Throttle Control Knob
17 736-0148 Lock Washer, ⁄
18 936 -0171 Lock Washer, ⁄
19 736-0277 Flat Washer, 1.03 x 1.620 x .095
20 746-04539 Throttle/Choke Control Cable
21 710-1314A Screw, 5/16-18 x .750
22 751-0564B Muer Deector
23 751-0616B Dual Inlet Muer
24 751-10253 Exhaust Pipe, LH
25 751-10254 Exhaust Pipe, RH
26 751-10291 Oil Drain Hose
27 751-10349 Fuel Hose
28 756-04376 Engine Pulley
29 951-04209B Fuel Tank Assembly
— 935-0149 Fuel Tank Bushing
— 735-04081 Rubber Grommet
— 751-10442 Fuel Pick-Up Fitting
— 951-12428 Fuel Cap
— 751-12118 Rollover Valve
30 751-12089 -28 Hose Vent, 3/16 EPA
20
Deck Lift & Controls, 42 & 50” Decks
16
17
24
7
41
19
6
13
31
21
5
29
3
26
32
47
28
28
43
1
20
43
4
23
30
4
8
40
10
40
42
25
20
39
14
36
2
22
37
15
9
18
46
33
49
44
48
11
48
25
21
35
38
34
5
18
12
47
28
20
13
28
20
27
45
26
44
19
53
19
51
52
50
19
53
51
52
50
21
Deck Lift & Controls, 42 & 50” Decks
Ref. Part Number Description
1 603-04160C Deck Lift Shift Assembly
2 603-04322 RH Lapbar Lever Assembly
3 603-04324 LH Labpar Lever Assembly
4 947-04065 Brake Rod Assembly
5 703-05387B Lapbar Pivot Bracket
6 703-05396A Brake/Shabs Assembly
7 703-05414A Front Deck Hanger Bracket
8 703-05793A Deck Lift Arm Plate
9 703-06096A Switch Actuator Bracket
10 703-06169 Lift Link Plate
11 710-0347 Hex Screw, ⁄-16 x 1.75
12 710-0433 Hex Screw, ⁄-20 x .625
13 710-3005 Hex Screw, ⁄-16 x 1.25
14 710-3008 Hex Screw, ⁄-18 x .75
15 710-3180 Hex Screw, ⁄-18 x 1.75
16 911- 0332 Clevis Pin, .50 x .78
17 712- 04243 Flex Lock Nut, ⁄-13
18 712-04063 Flange Lock Nut, ⁄-18
19 712-04064 Flange Lock Nut, ⁄-20 (50” Deck)
20 712- 04065 Flange Lock Nut, ⁄-16
21 712-0375 Hex Lock Nut, ⁄-16, Centerlock
22 912-3001 Jam Nut, ⁄
23 714-04040 Bow-Tie Cotter Pin
24 914-04023 Cotter Pin, .080 x 1.5625
25 716-0106 E-Ring
26 731-04719A Lapbar Grip (TB)
720-0274 Lapbar Grip
27 720 - 0311 Handle Grip, ⁄
Ref. Part Number Description
28 723-04080 Rod End
29 731-04735 Selector Handle
30 731-05732 Spacer, .621 x 1.00
31 932-0334 Compression Spring, .50 x .50
32 732-04420 Torsion Spring, 1.191 x 2.78
33 732-04869A Torsion Spring
34 736-0270 Bell Washer, .265 x .75 x .062
35 936-0272 Flat Washer, .510 x 1.00 x .060
36 936-0275 Flat Washer, .344 x .688 x .065
37 750-04776 Spacer, .380 x .625 x .265
38 738-0143 Shoulder Bolt, ⁄-16 x .496 x .336
39 938-0296 Shoulder Screw, ⁄ x .437 x .268
40 938-0507B Shoulder Screw, .500 x .434
41 938-0572 Shldr. Screw, .374 x 1.16 (50” Deck)
42 941-0225 Hex Flange Bearing
43 741-3074 Flange Bearing, .626 x .938 x .344
44 747-04226A Shaft Control
647-04099A Shaft Control, Dampers
45 747- 04401A Front Hanger Deck Lift Rod
46 747- 04637 Deck Lift Handle Rod
47 747-05057 Lapbar Control Rod
48 948- 0227A Hex Flange Bearing, .629
49 748-04169A Control Hub
50 727-04141† Damper Cylinder
51 938-0572† Shoulder Screw, .374 x 1.16 x ⁄-20
52 938-0974† Shoulder Screw, .375 x .38 x ⁄-20
53 750-04676† Spacer, .385 x .630 x .75
† If Equipped
22
Deck Lift & Controls, 54” Decks
42
18
26
13
19
28
49
11
29
9
38
43
28
18
17
12
36
15
5
40
14
37
3
24
45
33
25
44
6
13
32
21
25
29
4
30
46
20
16
20
16
23
7
27
26
47
35
1
19
8
31
34
48
24
45
34
48
25
45
41
21
10
8
39
28
9
11
25
21
29
4
29
43
38
17
13
19
49
15
5
14
40
17
36
12
19
28
22
2
37
50
4
18
18
53
51
42
52
42
18
5251
23
Deck Lift & Controls, 54” Decks
Ref. Part Number Description
1 603-04160C Deck Lift Shaft Assembly
2 603-04322 RH Lapbar Lever Assembly
3 603-04324 LH Lapbar Lever Assembly
4 747-04226A Shaft Control
647-04099A Shaft Control, Dampers
5 703-05387B Lapbar Pivot Bracket
6 703-05396A Brake/Shabs Handle
7 703-05414A Front Deck Hanger Bracket
8 703-05793A Deck Lift Arm Plate
9 703-06096A Actuator Switch Bracket
10 703-06169 Link Lift Plate
11 710-0347 Hex Screw, ⁄-16 x 1.75
12 710-0433 Hex Lock Screw, ⁄-20 x .625
13 710-3005 Hex Screw, ⁄-16 x 1.25
14 710-3008 Hex Screw, ⁄-18 x .75
15 710-3180 Hex Screw, ⁄-18 x 1.75
16 911- 0332 Clevis Pin, .50 x .78
17 712- 04063 Flange Lock Nut, ⁄-18
18 712-04064 Flange Lock Nut, ⁄-20
19 712-04065 Flange Lock Nut, ⁄-16
20 712- 04243 Flex Lock Nut, ⁄-13
21 712-0375 Hex Lock Nut, ⁄-16, Centerlock
22 912-3001 Jam Nut, ⁄-24
23 914-04023 Internal Cotter Pin, .080 x 1.5625
24 714-04040 Bow-Tie Cotter Pin
25 716-0106 E-Ring, .625
26 720 -0274 Grip, 1.0 x 5.0
Ref. Part Number Description
27 720 - 0311 Handle Grip, ⁄
28 723-04080 B/Joint Rode End, .375
29 948 -0227A Hex Flange Bearing, .629
30 731-04735 Selector Handle
31 731-05732 Spacer, .62 x 1.00
32 932-0334 Compression Spring, .50 x .50
33 732-04420 Torsion Spring, 1.19 x 2.78
34 732-04432 Extension Spring, .59 x 4.00
35 732-04869A Torsion Spring
36 736-0270 Bell Washer, .265 x .75 x .062
37 936-0275 Flat Washer, .344 x .688 x .065
38 748- 04169A PM Control Hub
39 738- 0143 Shoulder Bolt, ⁄-16 x .496 x .336
40 938-0296 Shoulder Screw, ⁄-18 x .437 x .268
41 938-0507B Shoulder Screw, .500 x .434
42 938-0572 Shoulder Screw, .374 x 1.16
43 750-04776 Spacer, .380 x .625 x .255
44 941-0225 Hex Flange Bearing
45 741-3074 Flange Bearing, .626 x .938 x .344
46 747- 04401A Deck Lift Frong Hanger Rod
47 747-04637 Deck Lift Handle Rod
48 747- 04651 Brake Rod
49 747-05057 Lapbar Rod Control
50 936-0272 Flat Washer, .510 x 1.00 x .060
51 727- 04141† Damper Cylinder
52 938-0974† Shoulder Screw, .375 x .38 x ⁄-20
53 750-04676† Spacer, .385 x .630 x .75
† If Equipped
24
Front Axle, 42” Decks
5
9
10
8
12
8
11
2
7
3
13
7
13
14
3
15
2
11
8
12
6
8
4
12
1
8
4
Ref. Part Number Description
1 603-04148C Front Pivot Axle
2 603-04308 Castor Wheel Bracket
3 634-04237B Wheel Assembly, 11.0 x 4.0 x 5.0 Gray
4 710-04186 Hex Lock Screw, ⁄-13 x 1.25
5 710-0514 Hex Cap Screw, ⁄-16 x 1.0
6 911- 04228 Axle Shaft
7 712-3022 Hex Lock Nut, ⁄-13
8 731-05500 Flange Bearing, 1.0 x 1.246
9 936-0169 Lock Washer, ⁄
10 936-0227 Flat Washer, .39 x 1.5 x .134
11 736-0250 Flat Washer, 1.0 x 1.75 x .107
12 937-3000 Lube Fitting, ⁄ Drive
13 738- 04182A Shoulder Screw, .75 x 4.75 x ⁄-14
14 741-0516B Flange Bearing, .76 x 1.0 x 1.2
15 741-0990B Flange Bearing, .76 ID w/ Lube Ftg.
25
Ref. Part Number Description
1 603-04370 Castor Wheel Bracket
2 603-04385A Front Pivot Axle
3 634-04321A Wheel Assembly, 13 x 5-6
4 710 -04186 Hex Lock Screw, ⁄-13 x 1.25
5 710-04652 Hex Cap Screw, ⁄-20 x 7.25
6 710-0514 Hex Cap Screw, ⁄-16 x 1.0
7 911- 04228 Axle Shaft
8 912-3058 Hex Insert Lock Nut, ⁄-13
9 731-05500 Flange Bearing, 1.0 x 1.246
10 936-0169 Lock Washer, ⁄
11 936-0227 Flat Washer, .39 x 1.5 x .134
12 736-0250 Flat Washer, 1.0 x 1.75 x .10
13 937-3000 Lube Fitting, ⁄ Drive
14 750-04775A Spacer, .51 x .75 x 5.825
15 750-04792 Hub, .76 x 1.23 x .92
Front Axle, 50” & 54” Decks
9
4
14
5
1
12
9
13
9
11
10
6
4
9
7
2
13
8
15
3
15
26
7
12
10
10
4
1
13
5
15
11
14
2
6
9
5
6
1
3
4
10
12
7
10
11
14
16
8
8
Ref. Part Number Description
1 918-04317 Wheel Hub, ⁄-14 x 1.6
2 918-04431B Transmission Assembly, LH
3 918-04432B Transmission Assembly, RH
4 634-04293 Wheel Assembly, 18 x 8.5-8 (42” Deck)
— 634 - 04128 Wheel Assembly, 18 x 9.5-8 (50” Deck)
5 710 - 0176 Hex Cap Screw, ⁄-18 x 2.75
6 710-0395 Hex Cap Screw, ⁄-18 x 2.25
7 710 -3119 Hex Cap Screw, ⁄-16 x .75
8 712-04063 Hex Flange Nut, ⁄-18
Ref. Part Number Description
9 712-0459 Hex Flange Nut, ⁄-20
10 712-3050 Lug Nut, ⁄-14
11 714-04040 Bow-Tie Cotter Pin
12 936-0227 Flat Washer, .39 x 1.5 .134
13 738-04192B Rod, .405 x 14.0
14 747-04217C Bypass Rod
15 750- 04561 Tube, .45 x .69 x 10.2
16 954-04043B V-Belt
Rear Drive & Wheels, 42” & 50” Decks
27
Rear Drive & Wheels, 54” Decks
4
12
17
20
13
21
13
20
6
30
15
29
3
15
9
19
22
14
19
26
24
9
20
10
1
16
11
10
18
5
8
7
5
15
18
25
28
11
23
2
27
24
Ref. Part Number Description
1 918-04464A Transmission Assembly (RH)
2 918-04465A Transmission Assembly (LH)
3 618-04466 Breather
4 931-04223 Expansion Tank Assembly
5 N/A Wheel Assembly, 20 x 10 x 8
— 934-0246A Rim Assembly, 8.0 x 6.19
— 934-0255 Tubeless Air Valve
— 734-1873 Tire, 20 x 10 x 8
6 703-05938A Expansion Tank Bracket
7 703-05940 Transmission Brace (LH)
8 703-05941 Transmission Brace (RH)
9 703-05989 Transmission Spacer
10 710-0176 Hex Screw, ⁄-18 x 2.75
11 710-0189 Hex Screw, ⁄-18 x 3.00
12 710-0599 Screw, ⁄-20 x .500
13 710-0788 Screw, ⁄-20 x 1.000
14 711-1530 Ferrule, .325 x .312
Ref. Part Number Description
15 712-04063 Flange Lock Nut, ⁄-18
16 712- 04065 Flange Lock Nut, ⁄-16
17 712-04092 Speed Nut, ⁄-20
18 712-3050 Lug Nut, ⁄-14
19 714-04040 Bow-Tie Cotter Pin
20 02001111 Hose Clamp, ⁄
21 731-05785 Cap, ⁄ x .870
22 732-0335 Compression Spring, .405 x 1.17
23 732-04434 Extension Spring, .545 x 4.555
24 736-04267 Flat Washer, .35 x 1.0 x .2
25 738-04251 Rod, .337 x 14.75
26 747-04636 Bypass Rod
27 750-04759A Tube, ⁄ x ⁄ x 11. 3
28 751-10511 Straight Fitting, ⁄ x ⁄
29 954-04043B V-Type Belt
30 710-0395 Hex Screw, ⁄-18 x 2.25
28
42” Mower Deck
26
17
8
15
35
34
23
15
8
33
22
19
19
22
9
30
28
33
20
7
24
27
15
37
2
35
36
13
11
14
15
15
1
8
23
31
6
4
12
15
21
10
5
36
27
10
27
18
16
32
31
2
39
40
16
42
38
41
40
41
3
44
43
29
25
29
42” Mower Deck
Ref. Part Number Description
1. 903-04860 Deck Housing
2. 918-04822A Spindle Assembly
3. 631-04288 Discharge Chute Assembly
4. 683-0254B Deck Lift Bracket
5. 703-08336A Pivot Idler Bracket
6. 710-04484 Hex Washer Head Screw, ⁄-18 x .750
7. 710-0528 Hex Cap Screw, ⁄-18 x 1.25
8. 710-0599 Hex Washer Head Screw, ⁄-20 x .5
9. 710-3005 Hex Cap Screw, ⁄-16 x 1.25
10. 710 -3144 Hex Cap Screw, ⁄-16 x 2.00
11. 710-3178 Carriage Screw, ⁄-16 x .75
12. 710-3180 Hex Cap Screw, ⁄-18 x 1.75
13. 712- 0229 Push Nut, 3/8
14. 712- 04063 Flange Lock Nut, ⁄-18
15. 712-04065 Flange Lock Nut, ⁄-16
16. 712- 0417A Hex Flange Nut, ⁄-18
17. 912-0641 Hex Nut, M16-1.5
18. 912-3010 Hex Nut, ⁄-18
19. 914-0470 Cotter Pin, ⁄ x 1.25
20. 917-04074 Deck Adjustment Gear
21. 732-0459C Extension Spring, .94 Dia. x 6.74
22. 732-04652 Compression Spring, .535 x 1.751
Ref. Part Number Description
23. 734-04155 Deck Ball Wheel, 5.0
24. 936 - 0119 Lock Washer, ⁄
25. 736-0187 Flat Washer, .64 x 1.24 x .06
26. 736-0225 Internal Tooth Lock Washer, ⁄
27. 736-0262 Flat Washer, .385 x .870 x .092
28. 936-0344 Flat Washer, .385 x 1.00 x .030
29. 738-04146 Bolt, M16 x 1.5
30. 738-04162A Shoulder Spacer, .884 x .190
31. 938-3056 Shoulder Screw, .5 x 2.5 x ⁄-16
32. 942-04308 Blade, 2 in 1, 21.23
33. 747-1116 Deck Hanger Rod
34. 954 -04137A V-Belt
35. 756-04129B Idler Pulley, 4.25 Dia.
36. 783-06368A Bracket, Belt Guard
37. 783-06424A Belt Cover
38. 936-0351 Washer, .760 x 1.50 x .030
39. 738-1186A Spindle Shaft
40. 941-0919A Ball Bearing
41. 750-04936 Spacer, .792 x 1.060 x 1.860
42. 956-1227 Deck Pulley
43. 737-04003D Deck Water Nozzle
44. 921-04041 Water Nozzle Adapter
30
50” Mower Deck
3
35
20
34
23
9
26
4
21
11
37
8
18
29
13
31
36
2
36
17
40
46
43
42
44
44
42
45
41
8
29
36
11
22
30
16
15
16
6
28
7
19
14
33
17
10
12
16
10
17
33
17
33
11
10
39
16
25
32
1
16
24
16
27
5
2
2
38
47
31
50” Mower Deck
Ref. Part Number Description
1 903-04328A Deck Housing
2 918- 04125B Spindle Assembly
3 631-04070A Discharge Chute Assembly (U.S.)
— 631-04092B Discharge Chute Assembly (Aus.)
4 683-0254B Deck Hanger Bracket
5 703-05825C Idler Arm
6 703-3279 Stop Bracket
7 703-3511A Finger Guard
8 710-0347 Hex Cap Screw, ⁄-16 x 1.75
9 710-0528 Hex Cap Screw, ⁄-18 x 1.25
10 710-0599 Hex Washer Head Screw, ⁄-20 x .5
11 710-04484 Hex Washer Head Screw, ⁄-18 x .750
12 783-04415 RH Skirt
13 710-3005 Hex Cap Screw, ⁄-16 x 1.25
14 710-04095 Hex Screw, ⁄-16 x 1.00
15 710-3178 Carriage Screw, ⁄-16 x .75
16 712-04065 Hex Insert Flange Lock Nut, ⁄-16
17 712- 0417A Hex Flange Nut, ⁄-18
18 710-3144 Hex Cap Screw, ⁄-16 x 2.00
19 912- 0641 Hex Nut, M16-1.5
20 914-0470 Cotter Pin, ⁄ x 1.25
21 917-04074 Deck Adjustment Gear
22 921-04041 Water Nozzle Adapter
23 732-04652 Compression Spring, .535 x 1.751
24 732-04609 Extension Spring, .94 x 6.74
Ref. Part Number Description
25 734 -04155 Deck Ball Wheel, 5.0
26 936 - 0119 Lock Washer, ⁄
27 736-0407 Bell Washer, .45 x 1.0 x .062
28 736-0225 Internal Tooth Lock Washer, ⁄
29 736-3072 Flat Washer, .38 x .93 x .110
30 737-04003D Deck Wash Nozzle
31 738-04162A Shoulder Spacer, .884 x .190
32 938-3056 Shoulder Screw, .5 x 2.5 x ⁄-16
33 942-04053C Blade, 2 in 1, 17.9
34 747-1116 Deck Hanger Rod
35 954-04044A V-Belt Type A Sec x 134
36 756-04129B Idler Pulley, 4.25 Dia
37 783-04399 Belt Cover, LH
38 783-04400 Belt Cover, RH
39 783- 04414A Center Skirt (U.S.)
— 783- 06125 Center Skirt (Aus.)
40 736-0315 Flat Washer, .76 x 1.50 x .12
41 738-1010A Spindle Shaft, 5.75
42 941-0919 Ball Bearing
43 748-0160A Spacer, .79 x 1.25 x .175
44 750-1000 Spacer, .80 x 1.10 x 1.32
45 750-1349A Spacer, .79 x 1.82 x .55
46 756-04216 V-Type Pulley, 5.39
47 783-06368A Bracket, Belt Guard
32
54” Mower Deck
16
39
18
16
58
12
13
44
16
43
54
4
53
52
32
45
47
37
24
56
22
34
50
24
3
6
28
24
9
4
25
11
64
65
63
65
65
63
60
62
36
57
24
20
21
5
16
55
23
41
55
16
25
48
17
29
51
8
17
29
51
33
30
35
24
7
27
42
40
24
31
38
14
2
5
61
59
49
10
46
1
15
16
19
26
33
54” Mower Deck
Ref. Part Number Description
1. 710-3168 Carriage Screw, ⁄-16 x 1.00
2. 903-04603 Deck Housing
3. 603-04386A Idler Assembly
4. 918-04608A Spindle Assembly
5. 631-04070A Discharge Chute Assembly (U.S.)
— 631-04092B Discharge Chute Assembly (Aus.)
6. 638- 04012A Shoulder Bolt Assembly
7. 683-0254B Deck Hanger Bracket
8. 703-2093B Rear Inner Bae
9. 703-3279 Stop Bracket
10. 703-3511A Finger Guard
11. 756-04216 V-Type Pulley, 5.39
12. 710-0347 Hex Cap Screw, ⁄-16 x 1.75
13. 710-0521 Hex Cap Screw, ⁄-16 x 3.0
14. 710-0528 Hex Cap Screw, ⁄-18 x 1.25
15. 710-0599 Hex Washer Screw, ⁄-20 x .5
16. 710-04484 Hex Washer Screw, ⁄-18 x .750
17. 710-0623 Hex Washer Screw, ⁄-16 x .75
18. 710-0650
Hex Washer Screw, ⁄-18 x .875
19. 703-05970 Frame Support Bracket
20. 710-04095 Hex Screw, ⁄-16 x 1.00
21. 710 -3178 Carriage Screw, ⁄-16 x .75
22. 711-1737 Roller Pin, .5 x 10.06
23. 712-0290 Hex Lock Nut, ⁄-14
24. 712-04065 Hex Insert Flange Lock Nut, ⁄-16
25. 712- 0417A Hex Flange Nut, ⁄-18
26. 732-04372 Torsion Spring, .44 ID x 2.00
27. 912-0641 Hex Nut, M16-1.5
28. 914 - 0111 Cotter Pin, ⁄ x 1.0
29. 714-0162 Cotter Pin, ⁄ x 1.25
30. 914-0470 Cotter Pin, ⁄ x 1.25
31. 917-04074 Deck Adjustment Gear
32. 921-04041 Water Nozzle Adapter
Ref. Part Number Description
33. 731-05825 Deck Roller, 7.895
34. 731-05679 Front Roller
35. 732-04652 Compression Spring, .535 x 1.751
36. 732-04609 Extension Spring, .94 x .04609
37. 734-04155 Deck Ball Wheel, 5.0
38. 936 - 0119 Lock Washer, ⁄
39. 936-0275 Flat Washer, .344 x .688 x .065
40. 936-0406 Flat Washer, .442 x 1.39 x .06
41. 736-0407 Bell Washer, .45 x 1.0 x .062
42. 936-0760 Lock Washer
43. 736-3010 Flat Washer, .407 x .812 x .135
44. 736-3072 Flat Washer, .38 x .93 x .110
45. 737-04003D Deck Wash Nozzle
46. 738-04260 Shaft, .75 x 26.893
47. 938-3056 Shoulder Screw, .5 x 2.5 x ⁄-16
48. 942-0677B Blade, 18.5
49. 747-1116 Deck Hanger Rod
50. 950 - 0151 Spacer, .55 x .75 x 1.125
51. 950 - 0212 Spacer, .82 x 1.0 x.53
52. 750-04597 Spacer, .38 x .9 x 1.313
53. 954-04138A V-Belt
54. 756-04129B Idler Pulley, 4.25 Dia
55. 783-04690B Deck Skirt
56. 783-04726 Stationary Idler Bracket
57. 783-1470A Belt Cover, RH
58. 783-1471 Belt Cover, LH
59. 783-05030 Chute Mounting Bracket
60. 750-1349A Spacer, .79 x 1.82 x .55
61. 711- 0 4565 Hinge Pin
62. 738-1197 Spindle Shaft, 6.95
63. 941-0919 Ball Bearing
64. 748-0160A Spacer, .79 x 1.25 x .175
65. 750-1000 Spacer, .80 x 1.10 x 1.32
34
18
12
8
1
17
3
11
12
8
2
15
14
9
3
16
5
13
12
8
4
6
10
7
5
Ref. Part Number Description
1 710-0599 Hex Screw, ⁄-20 x .5
2 710 -3015 Hex Screw, ⁄-20 x .75
3 712-0271 Hex Nut, ⁄-20
4 925-04022B Hour Meter
5 925- 04165 Double Pole — Neutral Switch
6 925-04174 PTO Switch
925-04174 PTO Switch, Export
7 925-04228 Ignition Switch
8 725-04363 Interlock Switch
9 725-04439 Solenoid
Ref. Part Number Description
10 925-1745A Key
11 925-1707D Battery, 235 CCA
12 738-04237A Shoulder Screw, #10-32 x .500
13 726-0470 Cable Tie
14 703-05894 Battery Hold-down
15 731- 0511 Trim Strip
16 710-0653 Hex Screw, ⁄-20 x .375
17 925-04040 Seat Switch
18 925-04847C Wire Harness
Electrical
No tes
35
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
To order replacement parts or locate your nearest service dealer call a Customer Support at (800) 800-7310.
or visit www.mtdproducts.com to find the nearest authorized dealer in your area.
