Beiben 8×8 off-road truck chassis is an original heavy-duty all-wheel-drive platform developed for harsh unpaved working conditions. It adopts proven Mercedes-Benz derived chassis technology, built for rough mountain roads, desert, muddy mines and remote construction sites. It reserves standard mounting interfaces for upper body modification, ready to be converted into fuel tankers, water bowsers, mobile workshop trucks, fire fighting trucks, heavy cranes and other special engineering vehicles.
Working Capcity:
50 tonsCabin Type:
NG80B long cabin, 2 seats and one sleeperDimension ( mm ) :
11530×2550×3450Drive System:
8×8, LHDWheelbase (mm):
1500+4150+1450Engine Power:
420HP/WP12.420E32Gear Box:
12JS200TTyres:
12.00R24, 12+1 pcsRemark:
14.00R20 tyre, RHD is optional⚙️ Product Description
This Beiben 8×8 off-road truck chassis is a heavy-duty all-wheel-drive platform developed specifically for harsh unpaved working conditions. It is equipped with a reliable Weichai WP12.420E32 inline six-cylinder diesel engine with a maximum power output of 420 HP, mated to a Fast 12-speed manual transmission and an LF200 transfer case. The chassis is fitted with differential locks on both the middle and rear drive axles, ensuring stable traction on muddy ground, sand, rocky slopes and low-adhesion surfaces.
It adopts the NG80 long flat-roof cab, which delivers a comfortable working environment for drivers during long-hour operations even under severe weather conditions. This chassis is widely refitted into various special vehicles, including fuel tankers, water bowsers, off-road cranes, mining service vehicles and fire trucks.
⚙️Beiben 8×8 Off-road Chassis Specifications
|
Basic parameter |
Model |
3142APZ/8×8 |
|
Length×width×height(mm) |
11530×2550×3450 | |
|
Wheel-base(mm) |
1500+4150+1450 |
|
|
Curb weight(kg) |
10800 |
|
|
Engine parameter |
Model (six cylinder in line) |
WP12.420E32 |
|
Max. Power (HP/rpm) |
420 |
|
|
Max. Torque(Nm/rpm) |
1750/1200~1500 |
|
|
Displacement(lit) |
11.596 L |
|
|
Fuel tank capacity |
400L Iron fuel tank |
|
|
Transmission system |
Clutch |
430 Single disc, dry type, friction clutch; |
|
Gearbox |
Mechanical, 12JS200T |
|
|
Steering system |
Steering gear |
8098 Circulating ball steering gear, hydraulic booster |
|
Transfer case |
Model |
LF200 |
|
Transmission ratio |
H: 0.890; L: 1.536 |
|
|
Torque ratio |
1:2.696 |
|
|
Brake system |
Service brake |
Double circulation air brake system equipped; |
|
Parking brake |
Energy storage spring brake; |
|
|
Assisted brake |
Engine exhaust brake; |
|
|
Chassis parameter |
Frame |
Variable width and section 317×70×8.5+7+8.5 mm; |
|
Front axle |
7 T+7T, driving steering axle, drum brake; |
|
|
Middle & Rear axle |
13T+13T, Double-shoe pneumatic brake, single reduction driving axle, differential lock, speed ratio is 5.263 |
|
|
Front and rear suspension |
Front/rear: Leaf spring, 12/12/13 pieces; |
|
|
Tire |
12.00R24 |
|
|
Cab |
NG80 Long Cabin/ Flat roof/Left drive Exterior trimming: Metal bumper, three steps, outer sun visor, sun roof (Manual), front under-ride bumper, rear view mirror (Manual). |
|
|
Interior trimming: Air suspension seat, Single bunk with sleeper, cooling and heating air conditioner, Steering wheel can be adjusted, door lock(Manual), radio (with MP3), digital instrument |
||

⚙️Beiben 8×8 AWD Heavy Chassis High Lights
✅1. Genuine 8×8 all-wheel-drive off-road chassis: 4-axle, 8-wheel drive with full-time transfer case, engineered for extreme conditions including mud, sand, mountainous terrain and mining sites.
✅2. Powerful 420HP output: Equipped with WP12.420E32 inline 6-cylinder engine, 11.596L displacement, peak torque of 1750 Nm @ 1200–1500 rpm. It delivers high torque at low revs for excellent climbing and heavy-load performance.
✅3. Heavy-load bearing structure: 7T+7T steering drive front axles plus 13T+13T tandem rear drive axles with a final drive ratio of 5.263 and differential locks, suited for heavy loads and complex terrain.
✅4. Military-grade chassis frame: Variable-width & variable-section frame sized 317×70×8.5+7+8.5 mm, featuring high strength and strong torsional resistance, ideal for all types of superstructure refitting.
✅5. Comprehensive Brake System:Dual-circuit air service brake, energy storage spring parking brake plus engine exhaust auxiliary brake, meeting high safety demands on rough, downhill mining routes.
✅6. Comfortable NG80 Long Flat-roof Cab: Beiben NG80 flat-roof long cab, fitted with air suspension seat, single sleeper bunk, heating & cooling A/C, adjustable steering wheel, MP3 radio and digital dashboard.

⚙️Beiben 8x8 AWD Chassis Details
⚙️Beiben 8×8 Off-road Chassis Drawing

⚙️Beiben 8×8 Off-road Chassis Application Scenarios

The Beiben 3142APZ 8×8 off-road truck chassis is engineered for superstructure refitting in mining sectors and regions with poor infrastructure. It is suitable for the following applications:
• Special engineering vehicles for mining sites
• Fuel tankers and water bowsers for desert regions
• Off-road mobile service workshop trucks
• Chassis for heavy-duty off-road cranes
• Fire trucks for remote areas
• Special logistics equipment for mountainous
⚙️Beiben 8×8 truck chassis pictures
![]() |
![]() |