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卡特彼勒769D车是美国卡特彼勒彼勒公司生产的载质量36 t自卸柴油车,该车具有以下特点。1.发动机(1)为V型4冲程、电控、液压驱动燃油系统的柴油发动机,燃油系统由电控、液压执行机构完成高压喷射燃油,喷油压力高达23 MPa,而传统的非直喷柴油机的喷油压力不过几MPa到十几MPa
The Caterpillar 769D is a 36-ton dump diesel powered by Caterpillar, United States with the following features. 1. The engine (1) is a V-type 4-stroke, electronically-controlled, hydraulically-driven diesel engine. The fuel system is operated by an electrically controlled, hydraulic actuator for high-pressure fuel injection at pressures up to 23 MPa. Conventional, Diesel injection pressure but a few MPa to a dozen MPa