Shop Aftermarket Caterpillar® Replacement Pumps

OneHydraulics offers a full line of replacement interchange min pumps for CAT dozers and Excavators, 

as well as a broad range of piston and vane pumps for Caterpillar applications. 

  • Cat 970F Wheel Loader

  • Cat D6H Dozer

  • Cat D6R Dozer

  • Cat D7H Dozer

  • Cat D8N Dozer

  • Cat 311B Excavator

  • Cat 312 Excavator

  • Cat 312B Excavator

  • Cat 312BL Excavator

  • Cat 315BL Excavator

  • Cat 317BL Excavator

  • Cat 317N Excavator

  • Cat 318BLN Excavator

Still need help? Give us a call at 281.941.2310 or email us at for technical support.