Bottom Roller for CAT 312B active This drive has 9 bolts

This drive has 9 bolts on the sprocket and 9 on the machine side

Designed to fit the Komatsu PC18MR-3

Machine Komatsu Model PC60-7 Product Sprocket Quantity Per Machine 2 Weight 25kg

Machine Komatsu Model PC15MR-1 Product Rubber Track Quantity Per Machine 2 Weight 54kg

Guaranteed to fit the Komatsu PC30MR-1

Bottom Roller for CAT 312B active This drive has 9 boltsGuaranteed to fit the CAT 312B, our Bottom Rollers are the ideal choice for all operators looking for quality and value Heat treated steel casing Sealed shaft and bearings Oil filled Heavy duty seals Specification Machine CAT Model 312B Product Bottom Track Roller Quantity Per Machine 12 Weight 25kg