Sem638 wheel loader Main features 1, engine: be reoptimized and rematched, improved efficiency and performance, improved cold start capacity. 2, cooling: designed by crdc (caterpillar china research & design center), the cooling system brings end results of optimal cooling efficiency, increased fuel efficiency, less radiator plugging even under extreme hot temperature or dusty work environment. 3, transmission: countershaft design; advanced structure, high transmission efficiency; durable, ease of service and numerous shifts allow high travel speed; two modes available for multiple operation, one for material handling and one for travel; refined for heavy duty application. 4, axle: meritor axle, reliability function. 5, cab: improved operator comfort and visibility; reduced in cab noise, meet gb standard, reliability improved; integrated fops/rops cab is available. 6, electrical: large capacity delphi battery; high quality electrical components. 7, structure: finite element analysis (fea) design, refined for heavy duty application. 8, hydraulic: valve [ccmc (caterpillar china machinery component) components; single lever, joystick controlling (optional)] Hose [ccmc hose, improved strength and reliability, optimized hose and tube routing] Engine Engine----cummins6bt5.9 Rated speed---- 2400rpm Rated power---- 92kw Cylinder*bore í+ stroke----6*102mmí+120mm Max. Torque ----- 425nm Displacement---- 5.88l Seaworthy