Fast transmissions with helical gears in auxiliary case:
Structure Characteristics:
With twin countershafts in both main and auxiliary cases, power well distributed, big bearing ratio and high reliability.
Main shaft and gears are floatingly installed, no needle bearings between gears and shaft, and high power-transfer efficiency.
Adopting thin-and-fine teeth gear design (contact ratio > 2), with helical gears in auxiliary case, stable engagement and low noise.
Fully synchronized, main case adopts double-taper faced synchronizer with large synchro-capacity, easy shifting. Auxiliary case is equipped with lock-pin synchronizer, the taper face adopts non-metallic material with high performance and high reliability.
Various ways of power taking off, catering to demands of the refitting of trucks.
Single lever or double lever, single H or double H operating mechanism can be realized.
The transmissions can be equipped with hydraulic retarders or electric eddy retarders.
Technical Parameter
Models | Torque(Nm) |
Gear Ratios |
Weight(Kg) | Oiling(L) | |||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | RL | RH | ||||
8JSX180T | 1800 | 10.21 | 7.13 | 5.24 | 3.84 | 2.66 | 1.86 | 1.36 | 1.00 | 10.67 | 2.78 | 320 | 13 |
8JSX180TA | 1800 | 7.49 | 5.23 | 3.84 | 2.82 | 1.95 | 1.36 | 1.00 | 0.73 | 7.82 | 2.04 | 320 | 13 |
Applicable Vehicles:
This series of transmissions can be applied to large buses, truck, deluxe big passenger cars, etc.
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