Allison 4500 RDS transmission, Cummins X15N natural gas engine in Kenworth 880
On October 6, Allison Transmission announced its 4500 Rugged Duty Series (RDS) fully automatic transmission has been successfully integrated with the Cummins X15N natural gas engine in Kenworth T880 tractors.
"The lighter weight of the X15N engine, combined with the optimized performance of the 4500RDS transmission,