It adopts originally imported Cummins C8.3 engine which features Tier 2 standards, CE,approved.JCM-SHANTUI ... 933D is a large bulldozer product. It adopts originally imported Cummins C8.3 engine which features Tier 2 standards, energy saving, environmental care ... on ground, with 600mm heavy track as standard device.Engine ModelCummins 6C8.3(Tier2)TypeWater cooling, 6-cylinder, in line, ...