TCI's "Triple Tested Quality" of Maximizer Transmissions begins with a trans case and component inspection and the complete remanufacturing of valve bodies. Maximizers must pass a static hydraulic pressure test during assembly & dyno test before shipping. The Maximizer family includes...

Heavy-Duty RV Transmissions
The perfect transmission for 2WD towing and heavy-load trucking, each unit has valve body modifications that increase cooler flow and improve shift characteristics without the harsh feel of a race-type transmission. When used with a TCI Heavy-Duty Towing Torque Converter, you have a transmission package tailored to provide long and dependable service with maximum fuel economy.

Maximizer 4x4 Transmissions
Performance for 4WD trucks, these units are designed to handle the additional strain placed on automatic transmissions with larger-than-stock tires on 4x4 applications. They're built with the best components and programmed to provide crisp shifts for the long haul.

Full Manual Competition 4x4 Transmissions
Whether a sand dragger, hill climber, or tractor puller, these competition-grade transmissions follow the same specs used to build drag race units.