Dongfeng gearbox 17LQ42-00030
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Dongfeng gearbox 17LQ42-00030

17LQ42-00030 is the OEM complete 6-speed fixed-axis manual gearbox assembly (DF6S900 series) made by Dongfeng, a heavy-duty full-synchronized medium commercial vehicle transmission. It is widely applied to medium passenger buses and medium trucks for passenger transport and regional logistics. It includes cast iron housing, helical gear sets, lock-ring synchronizers and shift control mechanism, delivering smooth shifting, low noise and stable torque transmission. It solves common faults such as oil leakage, difficult shifting, abnormal noise and internal gear damage under medium-load daily operation.
 
Availability:
Quantity:
  • 17LQ42-00030

  • Dongfeng

Product parameters

Basic Info


    • Part Number: 17LQ42-00030

    • Brand: Dongfeng (Dongfeng Commercial Vehicle)

    • Model: DF6S900 series fixed-axis manual transmission

    • Structure: 6 forward gears + 1 reverse gear, full lock-ring synchronizer, helical fixed-axis structure

    • Max rated torque: ~900 N·m

    • Applicable Vehicles: Medium passenger buses, medium-duty cargo trucks and special chassis vehicles

    • Category: Medium Bus & Truck Drivetrain Parts – Complete 6-Speed Manual Gearbox Assembly

    • Material: Cast iron housing, high-strength alloy steel helical gears/shafts, synchronizer assemblies, oil seals and bearings

    • Weight: approx. 140kg



Material & Advantages


  • Full lock-ring synchronizer design, smooth shifting and effectively reducing gear impact wear under frequent shift conditions

  • Precision heat-treated helical gears, low noise, high rigidity and good durability for passenger and medium-load transport

  • OEM overall assembly structure, standard mounting interface for direct replacement, convenient maintenance

  • Rigid cast iron housing plus high-performance oil seals, reducing oil leakage and improving structural stability

  • Optimized speed ratio layout, balancing climbing performance and fuel economy for highway and mixed road conditions

  • Original Dongfeng specification, perfectly matching original clutch, driveline and chassis systems



Application


For full transmission overhaul and replacement of matching Dongfeng medium buses and medium trucks. Confirm clutch housing interface and mounting dimensions before installation, fill with specified medium-duty gear oil, test shift function and check for leaks before formal operation.



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 modificationPacking: 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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