Proven Performance and Parts On Time

Cat hydraulic pumps and motors are 100% tested to perform and are precisely designed and manufactured to meet the requirements of your equipment. Durable, high-end materials and custom specifications set our components apart.

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Types of Pumps

Gear Pumps

Used in open-center applications that require increased pressure and temperature capabilities, Cat gear pumps are optimized with rugged journal bearings, high-pressure end plates and high-temperature seals that extend component life.

Features:

  • Simplest, most rugged and least expensive
  • Highest resistance to contamination
  • Well suited to lower-pressure, higher-flow applications
  • Higher pressure capabilities
  • More durable and reliable two-piece cast iron vs. three-piece aluminum design helps prevent shaft seal leaks that may result from impact
  • Smaller units use valves to improve hydraulic system integration
  • Available in fixed displacement

 

Vane Pumps

Used in open-center applications, Cat vane pumps feature a refined design of the cam-rings, pressure plates and pressure seals to withstand tougher duty cycle requirements, including increased pressure limits.

Features:

  • Relatively simple and inexpensive
  • Used in less-demanding applications
  • Available in fixed displacement

 

Piston Pumps

Highly refined to satisfy the demand for increased hydraulic system efficiency, longer service life and improved overall value, every Cat pump model is customized to optimize performance and life for its intended application.

Features:

  • Most efficient
  • Highest pressure capabilities
  • Less resistance to contamination
  • Slightly higher cost
  • Available in fixed or variable displacement

 

Pump & Motor Repair Options

Peterson Cat is your best-source, one-stop shop for fast, high-quality hydraulic pump and motor service. It’s not about just selling you parts and labor. Peterson Cat offers the knowledge and resources to help you control costs and maximize uptime.

Cat Technician

Order Online — California

California customers can use this link to shop more than 1.4 million Cat parts online through parts.cat.com.

Order Online — OR/WA

Oregon and Washington customers can use this link to shop more than 1.4 million Cat parts online through parts.cat.com.

Order by Phone

Call our expert team of Peterson representatives with access to Caterpillar's most advanced databases.

Order in Person

Return cores, pick up parts and work with parts experts at any of our counters.

VisionLink

Telematics data answer important questions about your Cat assets so you can better control operating costs.

Cat Card

The Cat Card account is the easy way to pay for parts, attachments, service and protection plans for your equipment.

Cat Publications

Purchase genuine Cat parts catalogs and Operation & Maintenance Manuals available in print, CD, or digital download.

Parts Reference Guides

Select your machine type and download a free Parts Reference Guide.