XE13 powertrain with I-Shift
Volvo now offers a 455-hp rating for the XE13 powertrain package. The package lowers engine rpm and is available on Volvo VN series tractors. The company says the package boosts horsepower from the previous 425-hp XE13 package and includes various components such as a Volvo I-Shift overdrive transmission with a 0.78:1 ratio and axle ratios of 2.64:2.69.
Volvo Trucks, volvotrucks.us.com