RC Parts Finder

Find Your RC Construction Equipment Parts

Use the filters below to quickly find the exact parts you need for your RC excavator build.

Filter by Machine Model

Filter by Part Category

Undercarriage & Track System

  • Track Frames (Left & Right)
  • Track Load Rollers (Bottom Rollers)
  • Track Top Rollers (Carrier Rollers)
  • Drive Sprocket Assembly
  • Track Tensioner Pulley (Idler Wheel)

Main Structure

  • Lower Frame/Chassis
  • Swing Bearing/Turntable
  • Upper Frame/Cab
  • Boom Assembly
  • Dipper Arm
  • Bucket

Hydraulic Components

  • Boom Cylinders
  • Arm Cylinders
  • Bucket Cylinders
  • Swing Motor Housing

Filter by Material

3D Printed Parts: Perfect for hobbyists and DIY builders. Affordable, lightweight, and easy to customize.

Browse 3D Printed Parts →

Aluminum CNC Parts: Professional-grade components machined from high-quality aluminum. Superior strength and durability.

Browse Aluminum CNC Parts →

Filter by Scale

Standard Scale: 1/8 - Our primary scale for the CAT 390F excavator

Custom Scales Available: Need a different scale? We can produce parts in 1/14, 1/10, or any custom scale you require. Contact us for custom sizing options!

Need Help?

Not sure which parts you need? Check out our Complete CAT 390F Parts List or contact us for assistance!