Basic Info

• Alias: Sinotruk Datong 12-speed gearbox assembly

• Part Number: 1700020-T2204

• Manufacturer: China National Heavy Duty Truck Group Datong Gear Co., Ltd.

• Type: 12-speed manual heavy-duty transmission

• Structure: Dual countershaft, main & auxiliary box structure

• Oil Capacity: approx. 15L

• Applicable Vehicles: Sinotruk HOWO and other domestic heavy-duty long-haul tractors, bulk cargo and container transport trucks

• Category: Heavy Truck Drivetrain – Complete Datong 12-Speed Manual Transmission Assembly

Net Weight: approx. 275kg

Package Contents: 1 x Datong 12-speed transmission assembly (1700020-T2204)

Material: Cast iron/aluminum housing + high-strength alloy steel gear set, precision synchronizers

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Material & Advantages




1. Dual countershaft structure with high-strength alloy gears, high torque resistance and long service life

2. Wide 12-speed ratio design, suitable for highway cruising, climbing and heavy-load transportation

3. Optimized synchronizer structure for smoother shifting and reduced wear

4. Original OEM mounting dimensions for direct replacement on Sinotruk heavy trucks

5. Robust housing structure adapted to long-term heavy load, vibration and variable temperature road conditions

6. Matched to domestic heavy-duty powertrains, easy maintenance and good adaptability

Application

Long-distance highway logistics, container transport, bulk cargo haulage and vocational heavy trucks. Used for overhaul replacement of original Sinotruk Datong 12-speed gearboxes, resolving abnormal noise, shifting difficulty, oil leaks and internal gear damage faults. Refill with specified heavy-duty gearbox oil during installation and complete clutch matching.

Origin & Lead Time

In stock, delivery within 1–3 working days; bulk orders: 4–7 days; sea freight: 10–24 days

MOQ & Packing

MOQ: 1 piece

Warranty: 6 months, not covered for improper programming, water damage, overvoltage and unauthorized circuit modification

Packing: Anti-static bag + shockproof foam + reinforced export carton

Gearboxes assembly include brand ZF, Eaton, FAST, Allison, DONGFENG, DC, Benz, volvo, HOWO, WLY etc. Gearboxes parts includegear, synchronizer, PTO, housing, bearings, shaft, top cover, sensors, wireness, repair kits... etc.

Our products have been exported to more than 50 countries and regions such as Korea, Chile, Russia, Kazakhstan, USA, Ecuador, Turkey, Iran, Africa, Latin America, etc., and have been unanimously recognized by customers.

In the future, we will be committed to creating higher-end quality and more intimate service. And a more comfortable customer experience to build Yongliwei company into an auto parts supplier with excellent corporate culture, scientific development concept and continuous innovation ability.

Shiyan Yongliwei Industry and Trading Co., Ltd. is a modern enterprise integrating design, development, production and sales of gearbox assembly and gearbox parts.

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