JS85T-1707140 is a synchronizer accessory in Fast gearbox, the following is a detailed introduction of this synchronizer:

1. Product name: JS85T-1707140 synchronizer, is an accessory in Fast 8JS85T series gearbox.

2. Structural features:

o Double intermediate shaft structure: The main and auxiliary boxes have double intermediate shaft structure, power distribution, and improve reliability.

o Small size and light weight: small center distance (105mm), small size and light weight.

o Gear floating installation: the spindle and gear are floating, there is no needle roller bearing between the gear and the shaft, and the transmission efficiency is high.

o Gear design: The gear adopts the "thin and high tooth" design (overlap coefficient ε>2), which has a stable meshing and low noise.

o Full synchromesh design: The main and auxiliary boxes are all equipped with lock-ring double-cone synchronizers, which have large synchronization capacity and flexible and light gears.

3. Technical Parameters:

o Model: 8JS85T.

o Torque: 850 N·m.

o Gear ratio: 8.12 in first gear, 6.08 in second gear, 4.47 in third gear, 3.31 in fourth gear, 2.46 in fifth gear, 1.84 in sixth gear, 1.35 in seventh gear, 1.00 in eighth gear, 8.12 in reverse gear, and 2.46 in overdrive gear.

o Weight: 186 kg.

o Oil injection volume: 9 L.

4. Application: Suitable for Fast 8JS85T series gearbox, providing efficient transmission and flexible shifting experience.

5. Other Features:

o Small speed ratio gradient: The combination design of the main and auxiliary boxes has a small speed ratio gradient and good fuel economy.

o Various forms of power take-off: it can meet the power output requirements of various modifications of the whole vehicle.

o Various operation modes: single H, double H, single rod operation, double rod operation can be realized.