The PACCAR 40K tandem axle is the industry’s premier line haul axle. Innovative technologies and advanced manufacturing processes deliver a fuel efficient, light weight design resulting in a lower cost of ownership. With a first-of-its-kind pinion thru-shaft design, it keeps loads moving forward efficiently and reliably. The PACCAR 40K tandem axle, Powered by Quality.
The PACCAR proprietary 40K tandem axle was designed with fuel-conscious line haul customers in mind to maximize their payload.
40,000 lbs. Tandem
2.47 to 3.70
Straight Torque Rating
5 Years/750,000 Miles