Maximum Allison Transmission, Duramax | 2001 - 2016 WORK SERIES

Core Charge: I'll Pre-Pay the Core Charge of $1400.00
Drive Train: Two Wheel Drive
Year: 2001-2002 LB7
Sale price$5,399.00


All applications can be dropped off at HHPE for the proper installation of Merchant Automotive Transmissions. Please feel free to inquire about an estimated cost for the installation.


The 5-speed and 6-speed Allison automatic transmissions backing the Duramax diesel engines in GM 2500HD and 3500 pickups is a smooth-shifting transmission that works very well in stock applications. But the factory Allison transmissions tend to have issues coping with heavy towing and hauling or even mild performance upgrades not to mention serious struggles with high performance modifications. As the go-to Duramax and Allison Specialists the team at Merchant Automotive developed the MAximum Transmission Work Series and Pro Series transmissions to provide a reliable alternative to factory rebuilds or replacements in 2001 to 2016 GM vehicles equipped with an Allison automatic transmission.


The Maximum Transmission Work Series was designed for hard working Duramax owners and daily drivers that want more holding power than stock while maintaining the smooth performance characteristics of a stock Allison transmission. The precisely rebuilt Work Series Allison transmissions start with thoroughly tested and inspected Allison cores that are handled by transmission specialists in house at the Merchant Automotive facility in Zeeland, MI. Carefully selected and matched internal components including improved friction materials, hydraulic upgrades, and a dyno tested MAximum Series valve body are meticulously installed. A steel Allison deep sump transmission pan is used for additional fluid capacity along with a billet aluminum Merchant Automotive filter lock to make sure the filter does not come loose. A single disk billet torque converter is included to transfer the power from the Duramax diesel engine directly into the Allison transmission. Each Work Series MAximum Transmission is painted orange and comes completely assembled and is ready to install with 24 quarts of high quality fully synthetic CAM2 Dexron VI automatic transmission fluid to fill the transmission once it is installed.

"We don't play horsepower rating games with our Maximum Transmissions; we just build high-quality transmissions with high-quality parts that hold up to common abuse!" Exclaims Eric Merchant Automotive Founder. He continues, "We can build a Maximum Transmission to hold up to any performance level a customer needs, I run one in Ol' Blue, our 1,700 horsepower UCC competition truck and we can build one for you too!"

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