The Effect Of Different Axle Speed Ratios On The Vehicle

Another important parameter of the truck axle, besides its load capacity, is the speed ratio. How do different axle speed ratios affect a truck? How to choose the right speed ratio? Does a smaller ratio mean lower fuel consumption? This article will introduce the different speed ratios in detail and help you choose the right one.

 

 

 

 

1. The Effect Of Different Speed Ratios On Vehicles

 

a. All other conditions being equal, when the truck enters top gear, the rear axle speed ratio determines the top speed of the truck, with a small rear axle speed ratio the top speed is large but the torque is small; conversely, the speed is small but the torque output is large.

 

b. If it is the same gear, this is definitely the smaller the speed ratio the faster. Rear axle speed ratio is small, climbing strength is small, low fuel consumption; rear axle speed ratio is large, climbing strength, slow speed, high fuel consumption. Truck rear axle speed ratio generally refers to the main reduction inside the basin angle gear tooth speed ratio.

 

c. The larger the speed ratio, the greater the torque, the slower the run, suitable for heavy load short distance; the smaller the speed ratio, the faster the run, suitable for long distance running. The engine transmits the power to the gearbox, and then the gearbox transmits the power to the rear axle large gear disc.

 

 

2. How To Choose The Right Axle Speed Ratio For Your Truck?

 

a. For tractor truck: If the tractor truck often run a long distance high speed, certainly the smaller the speed ratio the better, is the vehicle to maintain a higher speed, improve transport efficiency. If truck run mountainous areas and heavy duty loading often, you should choose a slightly larger speed ratio to enhance the climbing ability.

 

b. For dump truck: If the dump truck is travelling in poor road conditions, often heavy load conditions, often need to output a large torque, the rear axle with large speed ratio is applicable. Although there is a slight decrease in speed, but reduce the load on the engine and transmission, reduce the operation, on the one hand, there is a fuel saving effect, more is to reduce the wear and tear of the vehicle, but also improve the economy of transport.