A fully integrated Sauer-Danfoss hydrostatic 4WD transmission, powered by a Cummins QSB 6.7L 275hp engine is capable of 33 mph. The Cummins engine is designed to deliver reliability where high performance is essential.The 4WD hydrostatic No-Spin Sauer-Danfoss technology optimizes performance providing speed, torque and progressive acceleration.Combined they deliver maximum fuel efficiency. Forward speed, reverse and braking is controlled by pushing forward or pulling back on the Joystick. Internal wet discs provide ultimate braking.Speed and power bias can be selected manually with the rotary switch and engine revs.When cruise control is selected, power and bias to maintain the operating speed is automatically managed.