SKU: ATS309-855-4332

Stage 5 Allison LCT1000 Crate Transmission

Ships From Manufacturer in 15-20 Days
Confirmed fitment below
YEARS
2007.5-2010
MAKE / MODEL
GM/Chevrolet/GMC / Silverado/Sierra
SERIES
2500HD/3500HD
ENGINE
6.6L Duramax LBZ/6.6L Duramax LMM
Price
$9,084.99
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PRODUCT DETAIL

Key Features & Description

Features:

  • Fits 2007.5-2010 6.6L LMM Duramax 4WD
  • PTO-capable Allison LCT1000 transmission included
  • Comes with ATS Five Star torque converter
  • Includes deep transmission pan for better cooling
  • Billet input output and intermediate shafts
  • ATS Co-Pilot transmission controller for shift control
  • Built to handle increased power and torque
  • Ideal for towing and high-performance applications
  • Complete Stage 5 transmission upgrade package

A Proven Transmission Upgrade for the LMM Duramax

If you’re running a 2007.5 to 2010 Silverado or Sierra HD with the 6.6L LMM Duramax and need a transmission that can keep pace with your build, the ATS Stage 5 Allison LCT1000 Crate Transmission is built for the job. This package is designed for 4WD trucks with a PTO and delivers a fully upgraded solution for drivers who demand more from their drivetrain. It includes ATS’s high-performance version of the LCT1000 transmission, the Five Star torque converter for stronger torque transfer, and a deep transmission pan for improved cooling and fluid capacity. Whether you're towing, working, or dialing in a performance build, this transmission gives you the strength and control you need to handle it all.

Built Strong With Smart Components for Control

This transmission package features billet input, output, and intermediate shafts that are engineered to withstand high power levels and heavy loads without failure. The included ATS Co-Pilot Transmission Controller adds precision by adjusting line pressure and shift points based on load and throttle, keeping your truck in the right gear for the job. This isn’t just a rebuilt transmission—it’s a complete drivetrain solution designed for high-demand use. If you’re stepping up power or just want rock-solid reliability for tough conditions, the Stage 5 package from ATS brings confidence and durability with every shift.

Fits: 2007.5, 2008, 2009, 2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM PTO 4WD

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2007.5-2010
GM/Chevrolet/GMC
Silverado/Sierra
2500HD/3500HD
6.6L Duramax LBZ/6.6L Duramax LMM

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