... Cummins engine220hp 3) Three or Single ripper Bulldozer(crawler bulldozer,hydraulic crawler bulldozer)Features:1) Enginea) Model: NTA855-C360 ... phaseb) Transmission: planetary gear, multiple-disc clutch, hydraulic actuated, forced lubrication by gear pump, 3 forward ... Steering brake: wet, band brake, operated with hydraulic booster and hydraulic interlockingf) Final drive: spur gear, double reduction, ...