Product Model:

8-94435-144-1 Isuzu 4JA1 PANTHER, TFR90

Product Details:

1. Integrated Gear Structure: The shaft and multiple sets of gears (including helical gears) are integrally forged and machined, avoiding the risk of gear loosening/shaft detachment, and improving transmission stability by more than 30%.

2. Precision Gear Tooth Design: The gear teeth have a helical structure, resulting in a high contact ratio (≥1.5), transmission noise ≤65dB (10dB lower than straight gears), and a 20% increase in torque capacity.

3. Multi-Gear Adaptation: Gears with different tooth counts on the shaft correspond to the 5 forward gears of the gearbox, with gear ratios covering 3.8~0.85, enabling switching between low-speed high-torque (climbing) and high-speed low-RPM (cruising) modes.

4. Core of Gearbox Power Transmission: As the "intermediate shaft" of the Isuzu manual gearbox, it connects the input shaft and output shaft, transmitting engine power to the drive axle through gear meshing, and is a key carrier of the power flow.

5.  Working in conjunction with the synchronizer and shift fork, it achieves the meshing and switching of different gears, completing the gear changes of the gearbox and meeting the speed/torque requirements of the vehicle under different driving conditions. Designed specifically for Isuzu TFR and other light trucks, it can withstand a maximum torque impact of 350 N·m, suitable for high-frequency heavy-duty use scenarios such as urban delivery and short-haul freight.