Fleet Maintenance Product Guide

4000 and 4500 Series Transmissions

Kenworth has introduced new automatic transmission offerings for customers in construction and shorthaul applications with high horsepower requirements. Customers can now order the Kenworth T800 with Allison 4000 and 4500 series transmissions when spec'd with Cummins ISX engines, not to exceed 1,650 lb-ft.
The Allison 4000 and 4500 series transmissions offered are especially designed for rugged duty or highway truck operators that are seeking productivity gains, durability advances and lower cost of ownership over the life of the truck.