
This manual contains important safety precautions. Read and understand this manual carefully
before using the product. Failure to follow these instructions may result in serious injury.
The specifications, descriptions, and illustrations in this manual are as accurate as possible at
the time of publication, but are subject to change without notice.
Keep this manual with the product for future reference.
www.mechmaxx.com
OPERATOR’S MANUAL
EN
RELIABLE EFFICIENT VALUE
2-TON CAPACITY
HEAVY-DUTY
150256SKU
Model
DT4X8W
315-750-4008


Before operating the machine, please read this
manual carefully and make sure you understand all
safety warnings, assembly instructions, operating
procedures, maintenance requirements, and
troubleshooting information. Proper assembly, safe
operation, and regular maintenance will help ensure
reliable performance, extend the service life of the
machine, and reduce the risk of personal injury or
equipment damage.
The illustrations and specifications in this manual
are for reference only. The actual product may vary
slightly due to model configuration, production
updates, or technical improvements. If you have any
questions during assembly, operation, or mainte-
nance, stop using the machine and contact your
dealer or service representative for assistance.
This machine is designed for specific applications
only. We strongly recommend that this machine not
be modified or used for any application other than
its intended purpose. If you have any questions
regarding a particular application, DO NOT use the
machine until you have contacted us to determine
whether the application can or should be performed
with this product.
Use only genuine MechMaxx parts when servicing or
repairing this machine. Replacement parts
manufactured by other companies may fit this
machine, but they may present potential safety
hazards. Replacement parts can be purchased from
your authorized MechMaxx dealer.
• The serial number of your machine
• The part number
• The part description
• The quantity needed
1
INTRODUCTION
INTRODUCTION
Indicates an imminently hazardous situation
which, if not avoids, will result in death or serious
injury.
SCAN THE QR CODE TO
CONTACT US
Indicates a potentially hazardous situation which,
if not avoided, could result in death or serious
injury.
Indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate
injury. It may also be used to alert against unsafe
practices.
Ordering Parts
Safety Definitions
2-TON CAPACITY HEAVY-DUTY DUMP TRAILER

TABLE OF CONTENTS
TABLE OF CONTENTS
TABLE OF CONTENTS
SPECIFICATIONS
SAFETY SIGNS
ASSEMBLY INSTRUCTIONS
2
3
Hitch, Ball, Coupler
Loading
Lighting
6
Towing vehicle
6
6
6
Tires
6
Hydraulic compact power unit system
6
Operation
6
Maintenance
6
DOUBLE AXLE TRAILER
9
4
5
SAFE USE AND OPERATION RULES
6
2
2-TON CAPACITY HEAVY-DUTY DUMP TRAILER

SPECIFICATIONS
3
SPECIFICATIONS
2-TON CAPACITY HEAVY-DUTY DUMP TRAILER
Model DT4X8
Capacity
Dump
Axle
Tire Size
No. of Tires
Weight
Bed Width
Bed Height
Bed Length
Bed Floor
Overall Width
Overall Height
Overall Length
Dump Angle
Panel Height
Tongue Jack
Packing Size
Weight (N.W./G.W.)
37.5 cu.ft.
Rear
Tandem
20×10-8
4
750 Ibs
48 in
15 in
92 in
T1.5
50 in
42 in
136 in
45°
15 in
STD.
53 × 21 × 98.5 in
831/1018 Ibs

4
SAFETY SIGNS
SAFETY SIGNS
The SAFETY SYMBOL indicates there is a potential hazard to personal safety involved and extra safety
precaution must be taken. When you see this symbol, be alert and carefully read the message that follows it. In
addition to design and configuration of equipment, hazard control and accident prevention are dependent upon
the awareness, concern, prudence and proper training of personnel involved in the operation, transport,
maintenance and storage of equipment.
WARNING LABEL
This label provides important safety instructions for operating
the dump body. Failure to follow the warnings may result in an
accident, serious injury, or death.
SAFETY PROP WARNING LABEL
This label warns that the safety prop must be used when
working under a raised dump body to help prevent serious injury
or death.
CRUSH HAZARD DANGER LABEL
This label warns people to stay clear of the dump body when it
is raised and to use a locked safety prop to help prevent
crushing injury.
OVERHEAD OBSTRUCTION DANGER LABEL
This label warns that overhead obstacles such as power lines,
bridges, and tree limbs can cause serious injury or death.
Ensure the PTO is disengaged and the dump body lowering
lever is in the down position before moving the vehicle.
OFF-ROAD USE CAUTION LABEL
This label warns that the vehicle is for off-road use only and
must not be operated at speeds over 20 MPH.
LOAD CAPACITY CAUTION LABEL
This label indicates the maximum load capacity: 2 tons for the
trailer/dump body and 1 ton for the drawbar/tongue area.
LABEL MEANING
They were designed to help you safely operate your implement. Read and follow their directions.
1. Keep all safety labels clean and legible.
2. Replace all damaged or missing labels. mechmaxx.com
3. Some new equipment installed during repair requires safety labels to be affixed to the replaced component as
specified by mechmaxx. When ordering new components make sure the correct safety labels are included in the
request.
2-TON CAPACITY HEAVY-DUTY DUMP TRAILER

5
2-TON CAPACITY HEAVY-DUTY DUMP TRAILER
ASSEMBLY INSTRUCTIONS
ASSEMBLY INSTRUCTIONS
1. Attach left and right hand wheel carriers to main chassis using 3/4" ×
8" pin. Secure with cotter pin.
2. Install four wheel/tire assemblies onto wheel carrier. Secure with 1"
flat washer and cotter pin.
3. Install the tongue assembly by first attaching the rear of the tongue to
the main chassis. using the 1/2× 4-1/2” bolt, lock washer, and nuts.
4. Install tongue jack by removing clip ring from tongue, positioning jack
swivel plate, and reinstalling the clip ring to secure the jack.
5. Secure the bed to the main chassis rear pivot pipe using the
3/4”×21-1/2” clevis pin. Secure with a 3/4” washer and cotter pin.
6. Install tailgate and front panel supports by securing to rear and front
of bed frame using 3/8” × 1” bolts, washers, and nuts.
7. Insert three 1×6 side boards and two side support stakes on each side.
Install tailgate and front panel.

6
2-TON CAPACITY HEAVY-DUTY DUMP TRAILER
SAFE USE AND OPERATION RULES
SAFE USE AND OPERATION RULES
-Make sure the vehicle is capable of towing the load.
-Excess speed is the second most important cause
of car-trailer accidents.
-The recommended maximum speed for all
passenger cars towing trailers is 20 mph.
-Check that the hitch on the towing vehicle is
capable of towing the trailer. The towing capability
of the hitch is normally stamped on hitch drawbar.
-Make sure the coupler and ball are properly
matched in size and are rated for a load equal to or
greater than the intended load.
-Never attach anything other than the proper size
coupler to the ball for towing.
-Check the lights before each use and every 100
miles to ensure that the brake lights, tail lights, and
turn signals are working properly. Replace any
broken lenses, reflectors or bulbs.
-Check wires for good connections and possible
fraying or wearing of insulation.
-Bulbs supplied with this trailer are for 12 volt
system.
- Press the “ UP” button to lift up the carrier and
press the “DN” button to move down the carrier.
- Don’t forget to check the Hydraulic oil and add it
when it is at a low level.
- Provide the system enough power (DC12V), please
recharge the battery for the proper time.
- Make sure there are no people inside the trailer
before turning on.
- Keep distance from the trailer when it works.
-Do not tow this trailer on highways or on public
thoroughfares
-Remember the loaded weight of the trailer will
increase your braking and stopping distances
appreciably.
-When towing a trailer over long distances stop and
check tightness of all connections lights and running
gear every 100 miles.
-Carry emergency flares, and fire extinguisher if
required for operation in your state.
-Check and maintain the trailer, Coupler, Ball and
hitch before each use and every 200 miles.
-Inspect the hitch and ball during everyday use.
-Ball or hitch can be damaged in parking, hitting
curbs, dragging when crossing ditches or railroad
tracks.
-To prevent bearing damage, disassemble and
repack wheel bearing with a good grade of wheel
bearing grease every 2000-3000 miles or yearly.
Towing vehicle
Hitch, Ball, Coupler
-Never overload the trailer. Maximum load is 4400
lbs.
-Load trailer evenly from side to side with 60% of the
load forward to the axle. It is important that the
tongue be pressing down on the hitch, but it must
not exceed a downward force of 500 pounds.
-Reduce weight in car trunk and rear seat areas by
amount of tongue weight of your trailer.
-It is against the law to carry passengers in the back
of any trailer.
Loading
Lighting
-Check tires for wear and proper inflation before
each use and every 100 miles.
-Tire pressure should be kept at 22 PSI.
-Check and tighten lug nuts. Torque to 85-90 FT-LBS.
-Re-torque after the first 50 miles.
Tires
Hydraulic compact power unit system
Operation
Maintenance

7
2-TON CAPACITY HEAVY-DUTY DUMP TRAILER
SAFE USE AND OPERATION RULES
• Re-grease bearing after every 3000 miles of use.
• Keep tire pressure at 22 P.S.I. cold.
• Make sure to provide DC 12V power to the Hydraulic
compact power unit.
• Add the hydraulic oil when oil level is low.
• Please ensure you comply with the following before
using your trailer.
1. Tighten U-bolt.
2. Tighten lug nut.
3. Tighten trigger lock on coupler.
4. Trailer load should not exceed its 4400 lbs capacity
and should be properly secured.
5. Trailer load size should not exceed trailer’s bed board
size.
Attention: Before using the trailer for the first time,
please prepare the hydraulic oil by yourself, this is not
provided. We do not provide a spare wheel or battery
charger. It is necessary for you to provide them.
Notice:
Spare Wheel
Jack
The purposes of the following notices are to give
you tips on safe use and operation of your trailer.
1. Never allow children to operate the tractor or the
trailer attachment.
2. Please read the instructions carefully and follow
them step-by-step for easy assembly. Please keep
the instructions handy for no less than 1 year.
3. Please double check the assembly step-by-step,
be sure each is followed.
4. Before using, please inspect your trailer.
Important:

8
2-TON CAPACITY HEAVY-DUTY DUMP TRAILER
SAFE USE AND OPERATION RULES
Correct way to load your trailer
1
2
3
4
5
6
7
8

9
2-TON CAPACITY HEAVY-DUTY DUMP TRAILER
DOUBLE AXLE TRAILER
DOUBLE AXLE TRAILER

NO.
DESCRIPTION
10
2-TON CAPACITY HEAVY-DUTY DUMP TRAILER
DOUBLE AXLE TRAILER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Wheel
Side Boards
Bottom Beam
Tongue
Trailer Frame
Front Wall Panel
Rear Wall Panel
Side Panel Pin
Long Shaft
U-Bolt
Hex Bolt M10 x 12
Wheel Axle
Trailer Jack/Circlip
Coupler
Flange
Washer 12
Nut M12
Hex Bolt M12 x 30
Hex Bolt M12 × 120
Flat Washer 25
Cotter Pin 5 x 25
Hex Bolt M10 x 25
Washer 10
Hex Bolt M10 x 30
Nut m10
Dump Cylinder
Nut M20
Washer 20
Hex Bolt M20 x 90
Rear Light


RELIABLE EFFICIENT VALUE
315-750-4008
Our company is committed to continuous product improvement. The actual
product may differ from the pictures or descriptions in this manual. Specifica-
tions and design are subject to change without prior notice.
www.mechmaxx.com
