EQ6820ZT3D | Dongfeng All-wheel drive Bus
Dongfeng Special Vehicle Co., Ltd. produces the EQ6820ZT series 6×6 off-road passenger vehicles, equipped with a Cummins National VI engine with a power output of 162kW, suitable for harsh road conditions such as mining areas, mountainous regions, and forest fire fighting.
The vehicle features a three-axle drive, is equipped with an ABS anti-lock braking system, and has a rated capacity of 31 passengers, making it a highly capable and reliable off-road transportation equipment.
We provide full life cycle services for all customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from trouble shooting to overhaul technical support.
Advantages of Dongfeng EQ6820ZT3D All-Wheel Drive Bus
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Good driving comfort: The vehicle can be equipped with a full-top air-conditioning system, a fuel-powered independent heating system, a vibration-reducing seat for the driver’s seat, a luxurious passenger seat, a full-width sunshade, a side window folding curtain, and a front top with various models of TVs according to different needs.
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Excellent Off-road Capability: Three-axle 6×6 chassis, large-sized off-road tires.
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Safe and Reliable: ABS + air brake + full vehicle seat belts.
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Professional Suitability: 31 seats, specifically designed for harsh road conditions such as mining areas and mountainous regions.
Technical Specifications
| Total Length (mm): | 8200 |
| Total Width (mm): | 2380 |
| Total Height (mm): | 3250 (With full roof air conditioner) |
| Interior Height (mm) | 1730 |
| Wheelbase (mm): | 3475+1250 |
| Front Suspension / Rear Suspension (mm): | 1475/2000 |
| Approach/Departure Angle (°): | 25/22 |
| Step Height (mm): | 530 (280 Retractable Step) |
| Rated Maximum Gross Vehicle Weight (kg) | 12000 |
| Rated Number of Passengers (Persons) | 31 |
| Top Speed (km/h) | 100 |
| Minimum Ground Clearance (mm) | 300 (6x6 Part-Time Drive) |
| Track (Front/Rear) (mm) | 2050/2020/2020 |
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 Dongfeng EQ6603LT6A motor |
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| Engine Model | D4.5NS6B220 | Engine Manufacturer | Dongfeng Cummins Engine Co., Ltd |
| Location/Fuel Type | Front-mounted/Diesel | Enginetype | In-line 4-cylinder, 4-stroke, Water-cooled, Turbocharged with charge air cooling, Electronic Single-point Injection |
| Maximum power (kw) | 162/2300 | Maximum Torque (Nm/rpm) | 820 |
| Displacement (L): | 4.5 L | Emission Standard: | National III (National VI Emission Reduction Product) |
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Chassis Parameters And Configuration |
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| Item | Standard Configuration | Optional configuration |
| Chassis Model | EQ6790KZ6T, Dongfeng Special Vehicle Co., Ltd | — — |
| Transmission | Dongfeng DT0690 | — — |
| Clutch | 395mm Single-plate, Dry, Diaphragm Spring, Clutch Booster | — — |
| Front Axle | Dongfeng Dana, 3.3 tons | — — |
| Mid-axle: | Dongfeng Dana, 4.1 tons | — — |
| Rear Axle | Dongfeng Dana, 4.1 tons | — — |
| Suspension | 9-axle front, 12-axle rear (rear balance suspension) | — — |
| Steering | Power steering | — — |
| Braking | ABS, Self-adjusting Arm, Condenser, Wear Alarm, Exhaust Brake | — — |
| Fuel Tank | 250 L | — — |
| Tires | 315/80R22.5, 18PR | — — |
| Battery/Generator | 6-QW-150MF x 2 / 28V, 150A | — — |
| others | Copper Radiator, Engine Pre-heater, Steering Damper Silicone Hoses (Radiator Inlet/Outlet Pipes, Cooling Lines, Heating Pipes) with Compensating Clamps, Anti-corrosion Treatment per Export Standards, English Interface, English Markings |
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| Main body Assembly | ||
| Item | Standard Configuration | Optional configuration |
| Body structure | Body-on-frame | — — |
| Interior | Molded soft interior | — — |
| Doors and Door Pumps | Driver and Co-driver Doors (Power Windows), Manual Swing Passenger Door | — — |
| Side Windows | Fully Bonded Tinted Windows (Green Glass) | — — |
| Windshield | Laminated Front Windshield, Tempered Rear Windshield (with Rear Luggage Compartment) | — — |
| Rearview System | Steel-bracket Asymmetric Manual Rearview Mirrors | — — |
| A/C System | Full Roof-mounted A/C (Cooling Capacity: 20 kW) | — — |
| Heating System | — — | — — |
| Defroster | Multi-speed Defroster (24V, 280W) | — — |
| Audio-visual System | MP3 Radio with USB Port | — — |
| Lamp | Front and rear combination lamps | — — |
| Wiper | Parallel Electric Windshield Wipers | — — |
| Compartments | Steel Plate Luggage Compartment Doors | — — |
| Seats | 31 Seats, Shock-absorbing Driver Seat, Co-driver Seat with Adjustable Backrest and Fore/Aft Adjustment, Mid-range Passenger Seats (Black & White Faux Leather, Adjustable Backrest, Flip-up Armrests) | — — |
| Paint | Domestic solid color paint (Pure White) | — — |
| Others | Aluminum Checkered Floor, Fire Extinguishers (4kg, 2 pcs), Safety Hammers (5 pcs), Electronic Clock, Full Roof-mounted A/C, Standard Front Windshield Sun Visors for Driver and Co-driver (Half-width Roller Type), Air Horns, 3-point Seatbelts for All Seats, Driver Seatbelt Warning System, Mechanical Battery Disconnect Switch, Pneumatic Retractable Step for Passenger Door, Automatic Fire Suppression System for Engine and Battery Compartments | — — |
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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
Parts Catalogue
