EQ6680ZT | Dongfeng All-wheel drive Bus
Dongfeng Special Vehicle Co., Ltd. produces the EQ6680ZT series 4×4 off-road passenger vehicles, developed on the Dongfeng “Tianjin” medium-duty truck platform and equipped with a Cummins ISDe 160-30 diesel engine with a power output of 118 kW, suitable for harsh road conditions such as oil exploration, forest fire fighting and mine rescue.
The vehicle features a professional 4×4 part-time drive system, is equipped with an ABS anti-lock braking system, and has a rated capacity of 10-23 passengers (plus 4 optional folding seats), 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 EQ6680ZT All-Wheel Drive Bus
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4×4 Drive Power: Cummins 160-horsepower diesel engine with 600 N·m maximum torque, strong power.
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Good driving comfort: The vehicle can be equipped with a roof-mounted air-conditioning system, an independent water heating system, a vibration-reducing seat for the driver’s seat, mid-range passenger seats, a front windshield roller sunshade, foldable side window curtains and a 17″/19″ color display according to different needs.
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Excellent Off-road Capability: Professional 4×4 chassis with 245 mm minimum ground clearance, 27°/20° approach/departure angles and 7.50R20 off-road tires.
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Safe and Reliable: ABS + air brake + seat belts for all seats + Beidou satellite positioning driving recorder.
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Professional Suitability: 10-23 seats (plus 4 optional folding seats), specifically designed for harsh road conditions such as oil exploration, forest fire fighting and mine rescue.
Technical Specifications
| Total Length (mm) | 6800 |
| Total Width (mm) | 2280 |
| Total Height (mm) | 2980 (Regular Sunroof) / 3020 (Ventilation Sunroof) / 3155 (Full Roof A/C) |
| Interior Height (mm) | 1730 |
| Wheelbase (mm) | 3800 |
| Front Suspension / Rear Suspension (mm) | 1340/1660 |
| Approach/Departure Angle (°) | 27/20 |
| Step Height (mm) | 550 |
| Rated Maximum Gross Vehicle Weight (kg) | 8150 |
| Rated Number of Passengers (Persons) | 10-23 (+4 Folding Seats) |
| Top Speed (km/h) | 100 |
| Minimum Ground Clearance (mm) | 245 (4x4 Part-Time Drive) |
| Track (Front/Rear) (mm) | 1810/1700 |
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 | 2980 (Regular Sunroof) 3020 (Ventilation Sunroof) 3155 (With Full-Top Air Conditioning) |
100 | 8150 |
| EQ6600ZT6D | 5990 | 2280 | 2810(Standard Vehicle) 3030(With Full-Top Air Conditioning) |
100 | 7300 |
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Basic information of Dongfeng EQ6680ZT motor |
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| Engine Model | ISDe 160 30 | 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) | 118/2500 | Maximum Torque (Nm/rpm) | 600/1400 |
| Displacement (L): | 4.5 L | Emission Standard: | National III |
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Chassis Parameters And Configuration |
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| Item | Standard Configuration | Optional configuration |
| Chassis Model | EQ6640KZ6T, Dongfeng Special Vehicle Co., Ltd | — — |
| Transmission | 6DS60T, Fast 6-speed | — — |
| Clutch | 395mm Diaphragm Spring Clutch | — — |
| Front Axle | 3.2 tons | — — |
| Rear Axle | 6 tons | — — |
| Suspension | Leaf springs, 10 front / 10+8 rear | — — |
| Steering | Power steering | — — |
| Braking | Air brake, dryer, ABS, self-adjusting arm, exhaust brake, wear alarm | — — |
| Fuel Tank | 140 L | — — |
| Tires | 7.50R20 | — — |
| Battery/Generator | 6-QW-120MF x 2 / 110A | — — |
| Others | Engine pre-heater, steering damper | Condenser |
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Main body Assembly |
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| 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 | Rear container-type double doors, rear inward/outward-opening double doors, roller curtain for rear door |
| Side Windows | Fully bonded windows with middle windows (F green) | Foldable curtains |
| Windshield | Laminated front windshield, tempered rear windshield | Rear windshield foldable curtain |
| Rearview System | Steel-bracket asymmetric manual lever rearview mirrors | — — |
| A/C System | — — | Dongfeng Painuo roof-mounted A/C (cooling capacity 14 kW, PN-32, Palmar compressor); driver-area A/C (cooling capacity 3010 kcal/h, 3.5 kW) |
| Heating System | — — | Jingwei independent water heating (YJH-Q15AIII), heating capacity 15 kW; simple water heating (with 2 forced radiators), wall-mounted water heating optional |
| Defroster | Multi-speed defroster (24V, 280W) | — — |
| Audio-visual System | MP3 radio with USB port | Shenzhen Changyu MP5 system, 17"/19" color display |
| Lamp | Front and rear combination lamps | — — |
| Wiper | Parallel electric windshield wipers | — — |
| Compartments | Steel plate luggage compartment doors | — — |
| Seats | 23 seats, shock-absorbing driver seat (up to 4 folding seats can be added) | Mid-range seats (white + black faux leather, adjustable backrest, armrests), passenger seat belts |
| Paint | Domestic solid color paint | Metallic paint |
| Others | Speckled vinyl floor, fire extinguishers (2 kg, 2 pcs), safety hammers (3 pcs for 19 seats and above, 2 pcs below 19 seats), electronic clock (full roof A/C vehicle), driver-area roof storage box and dome light (regular vehicle), front windshield sun visor (regular vehicle), front windshield half-width roller sunshade (A/C vehicle), DC816A horizontal regular sunroof, air horn, seat belts for all seats, mechanical battery disconnect switch, driver seat audible and visual alarm, reflective vest, triangular wheel chock, OBD socket, heavy-duty vehicle remote emission terminal T-BOX, Beidou satellite positioning driving recorder with printing function | ETC on-board unit, driver-area fan (regular vehicle), 2.5 mm aluminum checkered floor, 1.2 mm aluminum checkered floor, DC816B horizontal ventilation sunroof, reverse monitoring system, in-vehicle partition wall (as per agreement) |
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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
