Qijiang Gearbox Assembly QJ805
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Qijiang Gearbox Assembly QJ805

QJ805 is a 5-speed manual bus transmission made by Qijiang Gear (ChiGear), a three-shaft constant mesh fixed-axis gearbox specially for 8–12m city & highway buses. It has 5 forward gears + 1 reverse gear: 1st & reverse gears use dog clutch shift, 2nd–5th gears adopt ZF lock-ring synchronizers, with ZF rotary shaft shift mechanism for light & reliable shifting. It supports multiple mounting forms (left horizontal, right horizontal, vertical), can be fitted with power take-offs, retarder brackets and various clutch housings. It is widely used on Yutong, Zhongtong, Kinglong and other mainstream bus models, with smooth operation, low noise and long service life.
Availability:
Quantity:
  • QJ805

  • Qijiang

Product parameters

Basic Info

    • Model: QJ805 (S5-80 series)

    • Brand: Qijiang (ChiGear / 綦江齿轮)

    • Structure: 3-shaft fixed-axis, constant mesh, 5 forward + 1 reverse

    • Max input power: 145~195 kW

    • Max input torque: 750~1000 N·m

    • Rated speed: 2600 r/min

    • Total weight: approx. 180 kg

    • Mounting length: 505 mm

    • Gear ratios: 1st:5.82, 2nd:3.23, 3rd:1.96, 4th:1.26, 5th:1, Reverse:4.97

    • Oil capacity: 12L (horizontal), 10.5L (vertical)

    • Applicable Vehicles: 8–12m city buses, highway coaches (Yutong, Zhongtong, Kinglong, Higer etc.)

    • Category: Bus Drivetrain Parts – Complete Manual Gearbox Assembly


Material & Advantages


  • Precision ground helical gears with shot peening treatment, low noise, high durability

  • ZF lock-ring synchronizers for smooth, easy shifting and reduced gear wear

  • Flexible multi-direction mounting (left/right horizontal, vertical), compatible with various bus chassis layouts

  • Robust cast housing, adaptable to frequent start-stop city bus operating conditions

  • Optional PTO, retarder mounts to meet auxiliary drive and auxiliary braking requirements

  • Mature mass-produced model with huge market stock and easy spare parts maintenance



Application


For overhaul & full replacement of mid-size city buses and highway coaches. Confirm mounting pattern, clutch housing type and lubricant specification before installation. Use specified gearbox oil, check shift linkage, test shift function and inspect 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 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
Email: truckparts@yongliwei.com 
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            transmission@yongliwei.com
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WhatsApp: +86-13593740499 / +86-18807289527/+8618772950034
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