1. The engine power, at the rated speed should be up to the rated horsepower, the minimum should not be less than 95% of the rated value.
2. Made should not be higher than the rated standard, rotate speed should conform to the specification.
3. Engine easy to start, running well, no abnormal sound, exhaust color normal.
4. air filter, diesel filter, oil filter and radiator cleaning to ensure good performance.
5. The control mechanism adjusts appropriate, the turn is accurate, the nimble is light, the braking is precise, the reliable labor-saving, the variable speed mechanism is nimble, does not have the jump file to struggle the phenomenon, the main clutch joins smoothly, separates thoroughly, the full load does not skid.