Cat Excavator Parts

Replacement parts for Caterpillar excavators, covering hydraulic components, undercarriage, engine parts, filters, and structural assemblies across a wide range of Cat mini, mid-size, and large excavator models.

Fits Models At A Glance

• 300 Mini Series: 301.5, 301.6, 301.7, 302.4, 302.5, 303, 303.5, 304, 305, 306
• 307–315 Series: 307, 308, 309, 311, 312, 313, 314, 315
• 318–330 Series: 318, 320, 321, 323, 324, 325, 326, 328, 329, 330
• 335–395 Series: 335, 336, 340, 345, 349, 352, 365, 374, 390, 395

Key Notes

• Application: Fits Cat excavators from compact mini models through large production-class machines
• Part Types Available: Hydraulic pumps, cylinders, final drives, track groups, undercarriage components, filters, and engine parts
• Condition: New, used, and remanufactured options available depending on part type and model
• Compatibility: Always verify serial number and model prefix when ordering hydraulic and undercarriage components
• Sourcing: Parts sourced for both older legacy Cat excavators and current production models

Why Choose Broken Tractor

• ✅ Wide Cat excavator parts inventory across all machine sizes
• ✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH
• ✅ Knowledgeable staff to help match parts by serial number

Frequently Asked Questions

What Cat excavator parts are for sale at Broken Tractor?

Broken Tractor offers replacement parts for Caterpillar excavators, including hydraulic pumps, cylinders, final drives, track groups, undercarriage components, filters, engine parts and structural assemblies. Depending on the part type and model, new, used and remanufactured options may be offered. We source parts for both older legacy Cat excavators and current production models.

What are the parts of a Caterpillar excavator?

The main part groups on a Caterpillar excavator are the hydraulic components, undercarriage, engine, filters and structural assemblies. Hydraulic parts include pumps and cylinders, and the undercarriage includes final drives and track groups. Broken Tractor carries replacement parts across all of these groups for Cat mini, mid-size and large excavators.

Which Cat excavator models does Broken Tractor carry parts for?

We carry parts for Cat excavators from compact mini models through large production-class machines. That includes the 300 mini series (301.5, 301.6, 301.7, 302.4, 302.5, 303, 303.5, 304, 305 and 306), the 307 through 315 series, the 318 through 330 series, and the 335 through 395 series. Coverage spans both older legacy models and current production machines.

How do I find the right part for my Caterpillar excavator?

Start with your excavator's model and serial number, because fitment for many Cat excavator parts depends on both. Always verify the serial number and model prefix when ordering hydraulic and undercarriage components, and match the part number from your old part when you can. If you are unsure, call our parts team at (800) 909-7060 for help matching the part by serial number.

Where can I find Caterpillar excavator parts near me?

Broken Tractor ships Cat excavator parts from two locations, Baton Rouge, LA and Kimbolton, OH. We offer fast shipping on hydraulic components, undercarriage parts, engine parts, filters and structural assemblies for Caterpillar excavators. Our staff can help you confirm the correct part for your machine before you order.