The Model 365 truck comes in two options: one featuring a set-back front axle configuration and a McNeilus mixer, and a second with a set-forward front axle configuration, a Paccar MX engine and Con-Tech mixer body. The rugged and versatile Model 365 can be specified with a wide variety of heavy-duty components to improve ride and handling, enhance weight distribution, and maximize performance and profitability. Peterbilt Motors Co.