There's a KENWORTH T170, T270 & T370 Repair Manual PDF above the page.
A new family of light delivery trucks was introduced in 2007. The T170 belongs to Class 5 of the American classification. It is produced with a 4x2 wheel formula with a gross weight of up to 8.8 tons.
Trucks are equipped with 6.7-liter PACCAR PX-6 engines with a capacity of 200-300 hp and Eaton Fuller (6-day) or Allison (5-speed, automatic) transmissions. T170 models have a low body height due to the installation of small 19.5-inch wheels.
The mid-range model Kenworth T270 already belongs to class 6 according to the American classification. The total mass of this version is 11.8 tons.
The trucks are equipped with 6.7 liter PACCAR PX-6 engines with a power of 200-325 hp. or 8.6-liter PACCAR PX-8 rated at 240-330 hp and Eaton Fuller transmissions (mechanical, 6-speed) or Allison (automatic, 5- and 6-speed). The T270 models are also equipped with 19.5-inch wheels.