و آر ایل:https://www.researchgate.net/profile/Raj-Siddharthan/publication/228688495/figure/tbl2/AS:669092243587093@1536535430896/Fatigue-Load-Equivalency-Factors-for-Agricultural-Equipment_Q320.jpg
و آر ایل:https://www.researchgate.net/figure/Tires-Types-Used-on-Various-Agricultural-Equipment-TABLE-2-Vehicle-Load-Combinations_tbl1_228688495
