... long life and reliable performance.4. With dry, multi-plate steering clutch, and hydraulic booster, the bulldozer has easy maintenance and ... 4 reverse speeds.Bevel gear/Helical bevel gear, splash lubricated.Steering clutch/Dry, multiple disc hand operated with hydraulic booster ... .Steering brake/Dry, band brake, foot-actuated.Final drive/Spur gear, ...