Buy Caterpillar 7V8181 - PINION at wholesale prices with easy payment and fast shipping options. Save up to 50% OFF OEM pricing. Compatible Machines:Compatible Models:Units Containing The Spare Part :- 7V0754 FINAL DRIVE GROUP - PART 1 OF 2 (3406)- 8V8254 FINAL DRIVE GP - PART 1 OF 2 (3406)- 9U0702 FINAL DRIVE GP-PART 1 OF 2 (3406)