Volvo Trucks improves powertrain offering with new Volvo VNL

With the announcement of the all-new Volvo VNL, Volvo Trucks North America has extended its fuel efficiency by enhancing the dependable Volvo D13 engine and I-Shift transmission. Design enhancements to the D13 engine include a new wave piston with a shorter piston height, as well as a longer connecting rod; smaller injector needle control valves; a variable vane oil pump; and […]