DM-66B | Dongfeng All-wheel drive Bus
The DM-66B extends the DuraMac range to three axles: permanent 6×6 all-wheel drive with a two-speed transfer case, carrying 25 + 2 seats in a 7,785 × 2,240 × 3,100 mm body. A Cummins B210 33 six-cylinder diesel produces 155 kW (≈210 hp) from 5.9 litres through an 8-speed manual gearbox.
The 6×6 drivetrain is built for extreme terrain — 60% gradeability, a maximum speed of 85 km/h, three 3.5 t rated axles, an 860 × 232 mm ladder frame and semi-elliptic leaf springs, rolling on 12.5R20 tyres with a spare wheel carrier. A 400 L fuel tank gives the range needed for remote sites and multi-day operations.
The cabin offers 1,820 mm standing height with panoramic windows, and comes with bus air-conditioning, emergency roof escape hatch, leather seats, multimedia system, reversing camera, driving recorder, exterior luggage compartment, roof luggage rack, protective body rails and a water tank as standard. Right-hand drive, custom liveries and fleet configurations are available on request.
Advantages of DuraMac DM-66B All-Terrain Passenger Bus
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Permanent 6×6 drive: three 3.5 t rated axles and a two-speed transfer case — full traction with a heavy payload on soft ground.
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60% gradeability: climbs steep mountain roads fully loaded, with an 85 km/h maximum speed for long transfers.
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Cummins B210 33: 5.9 L six-cylinder diesel, 155 kW (≈210 hp), 8-speed manual gearbox, worldwide Cummins service network.
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Long-range operation: 400 L fuel tank, 25 + 2 leather seats and a 1,820 mm stand-up cabin for multi-day missions.
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Heavy-duty structure: 860 × 232 mm ladder frame, semi-elliptic leaf springs, 12.5R20 tyres (6 + 1 spare), 19° / 21° approach and departure angles.
Technical Specifications
| Total Length (mm) | 7785 |
| Total Width (mm) | 2240 |
| Total Height (mm) | 3100 |
| Interior Standing Height (mm) | 1820 |
| Wheelbase (mm) | 3500+1250 |
| Approach / Departure Angle (°) | 19 / 21 |
| Seating Capacity | 25 + 2 |
| Fuel Tank Capacity (L) | 400 |
DuraMac
DCEC ISL8.9 series automotive engine is four-strokes engine with 114 mm bore and 145 mm stroke, Equipped with Bosch (or BYC or Weifu) pump. engine comes with turbocharger and Air- Air intercooler. The prime power range is from 270 HP to 400 HP.
Fast Gear
The F6A Series Automated Transmission uses the FAST automatic transmission, has six front gears, the transmission ratio step arrangement is reasonable, has very outstanding fuel economy. Adopt hydraulic automatic transmission. The F6A Series Automated Transmission has six gears, each with a different reduction ratio.
EV Truck
Electric wheel dump trucks use electricity as a power source, completely abandoning traditional fuel engines. This change enables the vehicle to achieve true “zero emissions” during operation, without the emission of pollutants such as carbon monoxide, nitrogen oxides, and particulate matter in the exhaust gas, greatly reducing the pollution to the atmospheric environment.
DANA Axle
Applying the advanced technology of DANA with high efficiency, fuel economy, strong load torque, low noise,high reliability, lower procurement cost, low repair cost and lower maintenance cost.
Datong Gear
The Datong HW25712XSJ Heavy Manual No-Sync Gearbox has a torque of 2500 N.m, a gear ratio range of 14.941-1, an oil capacity of 13 L (13.5 L when equipped with a power take-off), an overall length of 993 mm, and a weight of 428 kg.
Crane Trucks
The DFZ5258JSQSZ6D truck crane is a powerful and versatile vehicle designed for efficient lifting and transportation tasks. Equipped with a YCS06300-61 engine and a Shaanxi Auto Fast gear : 10JS120TA high-low gear with synchronizer、PTO gearbox, it provides strong and stable power for demanding operations.
All Wheel Drive Off-road Chassis
Dongfeng Special Vehicle's all-wheel-drive off-road chassis series, developed based on military technology platforms, supports 4×4/6×6 drive configurations and delivers exceptional cross-country capability, high reliability, and strong environmental adaptability. DuraMac provides customized off-road solutions, with products widely applied in high-altitude rescue, wilderness exploration, special transport, and military applications, meeting the demands of both domestic and international specialty vehicle markets.
Medium & Heavy-duty Truck
DuraMac offers a full range of Dongfeng solutions for medium-to-heavy-duty trucks, covering diesel, pure electric, and hydrogen fuel cell powertrains. Its pure electric trucks feature high-energy-density batteries and electric drive systems with dual-gun fast charging capability, ensuring high operational efficiency. Hydrogen-powered heavy-duty trucks are equipped with an intelligent VCU control system and offer multiple power variants. All products utilize high-strength chassis and IP68-rated electrical systems, meeting diverse operational demands across engineering transport, port logistics, and urban distribution.
- All-Wheel Drive Bus Series
- Power System Parameters
- Chassis Parameters And Configuration
- Main body Assembly
Model |
Total Length(mm) |
Overall Width(mm) |
Total Height(mm) |
Maximum Speed (km/h) |
Maximum Total Mass(kg) |
| EQ6820ZT6D | 8200 | 2380 | 3050 (With Sunroof) 3250 (With Full-Top Air Conditioning) |
100 | 12000 |
| EQ6680ZT6D | 6800 | 2280 | 3020 (Standard Vehicle) 3155 (With Full-Top Air Conditioning) |
100 | 8150 |
| EQ6600ZT6D | 5990 | 2280 | 2810(Standard Vehicle) 3030(With Full-Top Air Conditioning) |
100 | 7300 |
| EQ6820ZT3D | 8200 | 2380 | 3250 (With full roof air conditioner) | 100 | 12000 |
| EQ6680ZT | 6800 | 2280 | 2980 (Regular Sunroof) / 3020 (Ventilation Sunroof) / 3155 (Full Roof A/C) | 100 | 8150 |
| DM-46B | 7360 | 2370 | 3260 | - | 7910/6920 |
| DM-66B | 7785 | 2240 | 3100 | 85 | - |
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Basic information of DM-66B motor |
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| Engine Model | Cummins B210 33 | Rated Power | 155 kW (≈210 hp) |
| Displacement (L) | 5.9 | Cylinders | 6-cyl. diesel |
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Chassis Parameters And Configuration |
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| Item | Standard Configuration | Optional configuration |
| Drive Configuration | 6×6 all-wheel drive | — — |
| Chassis Frame | Ladder frame, 860 × 232 mm section | — — |
| Transmission | Manual, 8 forward speeds | — — |
| Transfer Case | 2-speed (high / low range) | — — |
| Front Axle | 3.5 t | — — |
| Mid-axle | 3.5 t | — — |
| Rear Axle | 3.5 t | — — |
| Suspension | Semi-elliptic leaf springs | — — |
| Tires | 12.5R20 (6 + 1 spare) | — — |
| Fuel Tank | 400 L | — — |
| Others | Reinforced front protective bumper; sealed electrical system and high-mounted air intake for deep water wading | Right-hand drive, fleet configuration |
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Main body Assembly |
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| Item | Standard Configuration | Optional configuration |
| Body Structure | Cab-over integral welded body | — — |
| Interior Standing Height | 1,820 mm | — — |
| Side Windows | Panoramic windows | — — |
| Rearview System | Reversing camera | — — |
| A/C System | Bus air-conditioning | — — |
| Audio-visual System | Multimedia system | — — |
| Driving Recorder | Driving recorder | — — |
| Luggage Compartment | Exterior luggage compartment | — — |
| Roof Rack | Roof luggage rack | — — |
| Seats | Leather seats, 25 + 2 | — — |
| Safety Equipment | Emergency roof escape hatch, protective body rails, spare-tire carrier, water tank | — — |
| Paint | — — | Custom colors and liveries available |
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Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.
Sale Manual
Installation Drawing
Installation Manual
Operation Manual
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