Komatsu PC400 Excavator Pins, Links & Bushings

Pins, links, and bushings for the Komatsu PC400 excavator bucket linkage system, covering H-links, dipper arm connections, cylinder links, and related seals and bushings for front attachment rebuilds and service.

Fits Models At A Glance

• PC400 Series: PC400

Key Notes

• Coverage: Bucket linkage pins, H-links with bushings, dipper-to-cylinder links (LH and RH), and bucket-to-dipper arm pins
• Seals: Linkage seals available to complete bucket pin and bushing service
• Part Numbers: OEM-reference numbers in the 208-70 series for direct cross-reference
• Service Tool: Steel bushing driver removal and installation tool available for use across excavators, dozers, and loaders
• Application: Front attachment linkage rebuild and component-level replacement on PC400 excavators

Why Choose Broken Tractor

• ✅ OEM cross-referenced parts for accurate PC400 fitment
• ✅ Pins, links, bushings, and seals sourced together
• ✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH

Frequently Asked Questions

What pins, links and bushings fit a Komatsu PC400 excavator?

Broken Tractor carries the main bucket linkage parts for the Komatsu PC400 excavator, including the H-link with bushings (208-70-00121), the dipper to cylinder link (208-70-33120), the bucket to dipper arm and H-link pin (208-70-61230), and the link to dipper and cylinder pin (208-70-33140). We also offer the H-link and dipper at bucket link bushing (208-70-13141) and a linkage seal (208-70-12230). That covers the parts needed for a full front attachment linkage rebuild or a single component replacement.

Does the Komatsu PC400 H-link come with bushings?

Yes, the H-link we carry for the Komatsu PC400, part number 208-70-00121, comes with bushings. If you only need to replace worn bushings, we also offer the H-link and dipper at bucket link bushing separately as part number 208-70-13141.

Is the Komatsu PC400 dipper to cylinder link left or right side?

The dipper to cylinder link for the Komatsu PC400, part number 208-70-33120, is offered for either the left hand (LH) or right hand (RH) side. Check which side you are replacing before you order. If you are unsure, our parts team can help you confirm the correct link for your machine.

How do I find the right part number for Komatsu PC400 bucket pins and bushings?

Match the OEM reference number on your old part or in your parts book to our listings, which use the Komatsu 208-70 series numbers for direct cross-reference. Fitment can vary by model and serial number, so matching the part number is the most reliable way to get the right pin, link or bushing. For help confirming fitment on your PC400, call (800) 909-7060.

What do I need to replace bucket pins and bushings on a Komatsu PC400?

Along with the pins and bushings, plan on new linkage seals, such as the Komatsu PC400 seal, part number 208-70-12230, to complete the bucket pin and bushing service. Broken Tractor also offers a steel bushing driver removal and installation tool that makes pressing old bushings out and new ones in easier. The bushing driver is a universal tool that works on excavators as well as other heavy equipment in your fleet.