When paired with the Paccar TX-12 automated manual transmission, the PX-9 diesel engine PX-9 engine produces up to 1,250 lbs.-ft. of torque with a maximum gross combination weight rating (GCWR) of ...

Kenworth and Peterbilt are adding an 18-speed automated transmission to their respective product suites for on-highway and select off-highway vocational applications. The Eaton-manufactured Paccar ...

Kenworth Truck Co. and Peterbilt Motors Co. – both divisions of manufacturing conglomerate PACCAR – are now officially adding the new 12-speed Endurant automated manual transmission (AMT) as an option ...

The most interesting thing about the electric Model 579 tractor is that fact that it uses a conventional Eaton AMT, instead of a large, single electric drive motor with a continuous torque curve.

Peterbilt Motors Co. is introducing a new ergonomic column-mounted shifter for its Model 579 and 567 trucks. The column-mounted shifter will be standard on trucks equipped with the new PACCAR-branded ...