Dongfeng 14-speed Gearbox Assembly DT1420 1700010-90407
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Dongfeng 14-speed Gearbox Assembly DT1420 1700010-90407

DT1420 (part number 1700010-90407) is a 14-speed full synchronizer heavy-duty manual transmission developed by Dongfeng Commercial Vehicles, adopting 2×4×2 structure (16-speed base with 2 gears blocked to form 14 forward speeds), with front half-range auxiliary box and rear range auxiliary box, single-H pneumatic shift operation. It has a rated input torque of 2000 N·m, matched with Dongfeng Tianlong heavy trucks, providing strong low-speed climbing performance and high-speed cruising fuel efficiency, widely used in long-distance trunk transportation and mixed road heavy haulage scenarios.
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Quantity:
  • DT1420 1700010-90407

  • Dongfeng

Product parameters

Basic Info

    • OE Part No.: 1700010-90407
    • Model: DT1420 Brand: Dongfeng Product Type: 14-speed Full Synchronizer Heavy-Duty Manual Transmission Assembly Rated Input Torque: 2000 N·m Rated Input Speed: 1400 rpm Structure: 2×4×2 main + dual auxiliary box structure, full synchronizer, single-H pneumatic shift Gear Configuration: 14 forward speeds, multiple reverse speeds Overall Length: 1018 mm Oil Capacity: 14L (plus 0.5L if fitted with PTO) Product Weight: Net weight approx 390kg (without lubricating oil) Material: Cast / aluminum alloy housing, carburized alloy steel gears Applicable Vehicles: Dongfeng Tianlong series heavy tractors, long-distance transport trucks Category: Dongfeng Heavy Truck Original Transmission Assembly



  • Material & Advantages


  1. Full synchronizer design, single-H air control shift, clear gear positions and easy operation

  2. Wide speed ratio coverage, ultra-low first gear ratio for heavy start and climbing, direct top gear for efficient highway cruising

  3. Robust housing structure, durable helical ground gears, adapted to long-distance continuous heavy-load operation

  4. Optional power take-off configuration, supporting modification of special vehicles such as tankers and bulk carriers

  5. Mature domestic supporting system, convenient maintenance and spare parts supply



Application


For Dongfeng Tianlong heavy truck original equipment replacement and overhaul. Use specified heavy-duty manual transmission gear oil and follow regular oil change cycles; check pneumatic shift components and air pipelines periodically; inspect synchronizer and bearing wear during major maintenance; avoid prolonged overloading and improper shifting operations.



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

About yongliwei

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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.

Company information (1)

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


Our company was founded in Hubei province, China, and has been specialized the truck gearboxes in Chinese offline market for 21 years .Our parts are the leader of gearboxes area in the China now.


Our company was set up in the largest truck parts production base in the world –Shiyan city, Hubei, China, to meet the demand for products in the Asia and South American markets, a professional international trade sales team was born in Hubei in 2021.


Shiyan Yongliwei is focusing on creating high quality, high technology and high standard gearboxes and its parts.

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* 8000 square meters of large warehouse.

* A number of maritime, land, air transport international logistics companies work closely together.

* To provide you with convenient, fast and low-cost e-commerce one-stop service.


About Us
19 years experience for gearbox, 5000㎡ warehouse stocked parts, professional team and high quality after-sale service, your inquiry will be our priority.
Contact Us
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