Why Used Parts
Save Big
Significant savings on engines, transmissions, hydraulics, and undercarriage components. Same machine, lower cost.
Inspected & Tested
Every used part is inspected by Cat-certified technicians. No guesswork. No surprises. If we sell it, it works.
In Stock in Wyoming
Available at our Casper warehouse. Same-day shipping on in-stock parts. Network search available for hard-to-find components.
Common Used Parts
If it came off a Cat machine, we can probably find it.
Engines & Engine Components
Complete engines, cylinder heads, blocks, crankshafts, camshafts, oil coolers
Transmissions & Torque Converters
Complete transmissions, torque converters, planetary groups, clutch packs
Hydraulic Pumps & Motors
Main hydraulic pumps, swing motors, implement pumps, gear pumps
Cylinders
Boom, stick, bucket, blade, ripper, and steering cylinders
Final Drives
Complete final drive assemblies, planetary groups, spindles
Electrical Components
Starters, alternators, ECMs, wiring harnesses, sensors
Cab Components
Seats, glass, doors, HVAC units, control panels, monitors
Undercarriage
Tracks, rollers, idlers, sprockets, track frames, track adjusters
How to Order
Call or Email
Give us your machine model and serial number, plus the part you need. We'll check availability.
We Source It
We check our own inventory first, then the entire Cat dealer network. If it exists, we'll find it.
Inspected & Tested
Every used part is inspected, cleaned, and tested by Cat-certified technicians before it ships.
Delivered or Installed
Ship to your location or have our technicians install it at your site or in our shop.
Call or Email
Give us your machine model and serial number, plus the part you need. We'll check availability.
We Source It
We check our own inventory first, then the entire Cat dealer network. If it exists, we'll find it.
Inspected & Tested
Every used part is inspected, cleaned, and tested by Cat-certified technicians before it ships.
Delivered or Installed
Ship to your location or have our technicians install it at your site or in our shop.
Quality Guarantee
Every used part sold by Wyoming Machinery is backed by our reputation — 57 years of it. Every part is inspected, tested, and documented by Cat-certified technicians before it leaves our facility. If it doesn't perform, we make it right.
Visual and dimensional inspection by Cat techs
Functional testing on component-specific test stands
Inspection reports available with every part sold
Other Parts Options
Cat Reman Parts
Remanufactured to original Cat specs. Same warranty as new. 40-60% less.
Learn MoreYellowmark Parts
Cat-designed value parts at competitive prices. 1-year warranty. Guaranteed fit.
Learn MoreGenuine Cat Parts
OEM parts designed to exact Cat specifications. Full Cat warranty. Maximum performance.
Browse All PartsLOOKING FOR A SPECIFIC USED PART?
Tell us your machine model, serial number, and the part you need. We'll check our inventory and the Cat dealer network.
Prefer to call?
(307) 472-1000Used Parts Request
Include your machine serial number for fastest results.