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Product Overview



The ATS Stage 3 Package is designed for light towing, daily driving and stock or slightly modified power levels.


- ATS Built E4OD Auto Trans
- ATS 5 Star Viskus Clutch Drive Torque Converter
- ATS Extra Deep Transmission Pan
- ATS Billet Input Shaft
- ATS Torque Converter Lock-Up Controller

The Stage 3 package includes a billet input shaft for increased reliability when towing heavy loads, under modified power levels or street performance. The ATS billet input shaft is designed to handle a greater torsional loads than the factory shaft, this increases reliability. The shaft is made of billet 300M material and precisely machined for an exact fit.

ATS provides a lock-up controller for the torque converter on the Stage 3 setup. This allows the you to base lock-up on the vehicles speed in any forward gear. The controller provides several benefits, including increased fuel economy, lower transmission operating temperatures and more power to the ground, at a lower speed. This feature becomes useful in towing situations and performance applications ' where power at low rpm's is desired. For trucks with an exhaust brake, the controller will synchronize torque converter lock-up with the brake. This will allow the converter to stay locked on deceleration to increase braking force.

The ATS Stage 3 Package is designed for trucks that are used for light/moderate/heavy towing, greater-than-stock power levels and racing/street performance.

ATS E4OD's feature:

  • ATS Five Star Torque Converter featuring a billet cover, five lock-up clutches
  • High performance overdrive, intermediate and forward clutch packs, with one additional clutch added per section
  • Modified transmission pump to increase line pressure, which provides increased clamping force on the clutch packs
  • Modified valve body that focuses around precise shifts, increase line pressure and increasing the torque capacity of the E4OD
  • New bearings, seals and gaskets
  • New low roller clutch, heavy duty intermediate sprag, bonded coast and overdrive pistons
  • ATS Deep Transmission Pan which adds 5 quarts of fluid over stock, which helps keep the transmission cool


The transmission package comes with a 5 year / 500,000 mile warranty.

Warranty Information

ATS DIESEL carrys an industry-leading 5 year / 500,000 mile warranty protects your investment on the job, street or track.


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