What manual transmission is in the 6.7 Cummins?
The 6.7 Cummins diesel engine, found in various heavy-duty trucks, is known for its impressive power and durability. One of the key components of this engine is the manual transmission, which plays a crucial role in transferring the engine's power to the wheels. In this article, we'll delve into the details of the manual transmission used in the 6.7 Cummins.
The G56 Manual Transmission
The manual transmission found in the 6.7 Cummins diesel engine is the G56, a six-speed transmission manufactured by Chrysler. The G56 is a robust and reliable transmission designed to handle the high torque output of the Cummins engine.
The G56 transmission features a cast-iron case and a gear set made of heat-treated alloy steel, ensuring durability and long-lasting performance. It has a maximum torque capacity of 1,350 lb-ft, making it well-suited for the demands of heavy-duty applications.
Key Specifications of the G56 Transmission
- Six-speed manual transmission
- Gear ratios: 1st - 5.94, 2nd - 3.28, 3rd - 1.98, 4th - 1.31, 5th - 1.00, 6th - 0.74, Reverse - 5.42
- Maximum torque capacity: 1,350 lb-ft
- Designed for heavy-duty applications
- Cast-iron case and heat-treated alloy steel gear set
The G56 transmission is known for its durability and ability to handle the high torque output of the 6.7 Cummins engine. Its robust design and carefully engineered gear ratios make it a reliable choice for those seeking a manual transmission option in their heavy-duty truck.
