Allison 4000 Series Transmission Diagram

The Allison 4000 Series transmissions are the gold standard for power, fuel efficiency and reliability in the heavy-duty truck market. With their impeccable design and construction, these transmissions have been the industry leader for over 75 years. To understand the features that make this transmission so reliable, it’s important to look at its diagram. Every aspect of the Allison 4000 Series Transmission is designed for maximum performance.

The input shafts are constructed from tough, heat-treated steel and feature powerful turbine-style gearing for superior traction. This unique gearing design provides a smoother flow of power, while also minimizing noise and vibration. The dual-clutch design further reduces stress on components, allowing for smoother operation and more order throughout high-stress situations.

One of the most impressive features of the Allison 4000 Series is its advanced oil control system. This system uses internal pressure valves and oil passages to maintain the right level of lubrication throughout all working parts. The pistons are precision-machined and the hydraulic system is rigorously tested to ensure optimal performance. This superior design allows the transmission to operate smoothly even under the most demanding conditions.

The Allison 4000 Series Transmission Diagram shows just how advanced this transmission is. From its tough input shafts to its smart oil control system, every aspect of the transmission is designed for maximum performance and longevity. With such a dependable transmission, you can rest assured that your heavy-duty vehicle will be able to handle whatever life throws your way.

Allison Wtec Iii 3000 4000 System Wiring Schematic