What Speed Ratio is Suitable for 460 Horsepower?

1 Answers
RemingtonRose
07/30/25 3:19am
The default standard speed ratio is 3.7, with an optional ratio of 3.364. Below is relevant information about speed ratios: 1. Optimal Speed Ratio: The rear axle of a truck (tractor) is the drive axle. Both 3.0 and 3.7 speed ratios have their advantages. Whether a different speed ratio saves fuel depends on its optimal operating conditions. The drive axle also functions as a reduction mechanism. With the same transmission, a drive axle with a 3.0 speed ratio is closer to the transmission output speed than one with a 3.7 ratio, meaning higher RPMs in the same gear. During vehicle operation, under ideal conditions—standard load, flat roads, and stable cargo—the power output is high-speed and stable, with higher vehicle speed and lower torque. In such cases, a rear axle with a 3.0 speed ratio is more fuel-efficient. 2. Classification: The transmission ratio in a vehicle's drivetrain can be divided into two types: the speed ratio of the main reducer and the speed ratio of the transmission. In the same vehicle model, the speed ratio of the main reducer is fixed, while the speed ratio of the transmission varies depending on the gear used.
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