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WABCO AMT Solutions for Trucks

Truck owners and fleet managers can effectively improve profitability by lowering their operating and maintenance expenses through better use of advanced technology and high-quality aftermarket parts for trucks.


This article focuses on Automated Manual Transmission (AMT) solutions for commercial vehicles. This technology is effective at lowering fuel consumption, reducing maintenance costs and improving the comfort of truck drivers. Read on if you would like to know more about the AMT technology.


What is an Automated Manual Transmission System?

A truck’s transmission system is the bridge between the engine and its wheels. It transfers and regulates the engine’s rotational energy into the linear motion of the truck. Through a set of gears, the transmission system controls the truck’s power and speed.

Conventional transmission systems are either manual or automated. In manual transmission systems, the truck driver decides when to shift gears. In this case, the driver needs to engage the clutch and gears manually. Fully automatic transmission systems use an electronic control unit (ECU) to engage the clutch and gears rather than the driver.

The AMT system is a type of hybrid of the manual and automatic truck transmission systems. It is a manual transmission system that uses electronic controls for engaging the clutch and gears. This relieves the driver from the constant effort of shifting gears in a manual truck.


The WABCO AMT Solution

WABCO has been a leading supplier of original equipment and aftermarket parts for trucks for more than a century. Since its establishment in 1869, the company has upheld the highest industry standards for quality and reliability. The company’s innovative technologies have been improving the performance and safety of commercial vehicles for decades. Its workforce consists of more than 16,000 employees in more than 40 countries around the world.

WABCO produced the first Modular AMT for trucks in 1985. It continued improving the AMT technology and produced the first AMT with integrated valves and actuators 10 years later. In 2003, WABCO produced a modular AMT system with integrated ECU followed by the first hydraulic AMT for medium-duty trucks in 2004. In 2008, WABCO introduced its OptiDriveTM Modular Transmission Automation solution. The OptiDrive system came with the following range of revolutionary transmission solutions

  1. Adaptive ECU applications
  2. Intelligent Gearshift and Clutch Automation
  3. Auxiliary Components and sensors
  4. Automated Manual Transmission Software

In 2017, WABCO began releasing guidelines to assist in the repair and maintenance of their AMT systems. These include the WM 25.1 for VOLVO I-Shift and the WM 25.2 for Daimler’s 3rd generation AMT.


Unique Benefits of the WABCO AMT

The WABCO AMT configuration offers several benefits to the drivers, fleet operators and truck and bus manufacturers. Below are some of the advantages of using the WABCO AMT system

  1. Improved driver comfort and reduced fatigue
  2. Improved overall driver performance and delivery times
  3. Lower maintenance costs due to reduced mechanical wear
  4. Up to 5% better fuel economy than manual transmission systems
  5. Applicable for light to heavy-duty commercial vehicles
  6. Works with a wide range of configurations from 6-speed to 16-speed

With more than 30 years of experience innovating commercial vehicle transmission systems, WABCO is an industry authority. By 2017, the company had sold more than 4 million AMT systems worldwide. Also, WABCO’s solution lowers the investment costs and time to market for AMT technology for original equipment manufacturers.


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