According to the driving features of the off-road vehicle and the principle of proper matching between engine and torque converter (TC), the characteristica of concerted work and the best dynamic shift-are determined.

• 摘要根据越野汽车行驶特点，按照发动机与液力变矩器合理匹配的原则，确定了共同工作特性和最佳动力换挡点。