1. ASAE D497.7-Agricultural machinery management data;ASAE,2011
2. A service-life oriented method of rating tractor transmissions and axles;Buck,1983
3. Standards manual - agricultural equipment tyres. Brussels;ETRTO,2009
4. Dynamic load distribution and tractive performance of a model tractor;Gu;Journal of Terramechanics,1994
5. ISO 6336-6 - calculation of load capacity of spur and helical gears -- Part 6: Calculation of service life under variable load;ISO,2006