No one will deny the high standard of Isuzu made diesel engine. The Isuzu 4JB1 engine in the 1970s is still widely used, and some netizens even mythologize it as a "fuel-saving expert". The 4hk1 engine integrates more excellent technologies, such as overhead camshaft, four valves per cylinder, high-pressure common rail, multi-stage injection, etc., which reduces the weight and improves the efficiency of the 4hk1 engine. At the same time, it can realize 600000 km without overhaul.

The 4hk1-tc51 engine equipped with the Qingling Isuzu 700p has a maximum power of 192 horsepower and a maximum torque of 510nm, and can meet the national five-year emission standard without adding urea. According to the feedback of many users of Qingling 700p, under the same transportation conditions, the Qingling Isuzu 700p saves 3-4l oil / 100km compared with the models at the same level, saving all urea costs and a lot of fuel costs.