Transmission Harness Installation Kit for Allison transmissions with WTEC III electronics in Kenworth trucks equipped with NAMUX1, NAMUX2, or NAMUX3 chassis electronics.
This direct-fit kit is made for the chassis-specific electronics found on Kenworth Class 8 trucks (e.g., W900, T800, T660). It includes all necessary harnesses for replacing manual transmissions with Allison automated transmissions using WTEC III controls.
Kit Includes:
• (1) TCU to Cab Harness
• (1) Shift Tower Harness
• (1) Dash Interface Harness
• (1) Power Supply Harness
• (1) Power Extension Harness
Compatibility:
• NAMUX1 chassis electronics (typically 2006–2007 models)
• NAMUX2 chassis electronics (2008–2010 models)
• NAMUX3 chassis electronics (2011 and newer)
Important Notes:
• This kit is only compatible with Kenworth NAMUX1, NAMUX2, and NAMUX3 chassis electronics.
• Confirm exact fitment for your specific truck model and chassis electronics before ordering by contacting Kustom Truck.
Key Specifications:
• Complete harness set for Allison WTEC III transmission integration
• Suitable for custom transmission swaps and fleet upgrades
