I like to buy parts that mentioned as below in high amounts: TYRE SIZE FOR RIM 750 X 20 TRACTOR TRAILER RIM(Double Segments) 750 X 16 TRACTOR TRAILER RIM 750 X 16 TRACTOR TRAILER RIM (Double Segment) 650 x16 MF (285) TRACTOR 650X20 UTB Romanian Tractor 11X28 FIAT Tractor 14X38 UTB Romanian Tractor 15X30 MF 285 Tractor