| abstract |
The super oil universal lubricating composition of tractor of the economy of a kind of high total basicnumber/low-phosphorous is disclosed, it comprises the oil with the lubricant viscosity comprising following additive-package preparation: at least one metal detergent, at least one is based on the wear preventative of phosphorus, and at least one molybdenum compound.Also disclose the method for the anti-wear protection for the braking ability and tractor engine improving tractor. |