Part number lookup
HD400 Replacement Parts
Cross-reference and compare 3 replacement listings for OEM / aftermarket part number HD400. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
3 Matching Products
Part Numbers and Cross References
Applications and Fitment Summary
- Part Number
- Mitsubishi Engine: 4D30,4D31,4D32,4d34,4D31A,4D31T For Caterpillar CAT Excavator: E70B,E110 For KATO Excavator: HD400,HD450,HD510
- Kato · Kato Excavator HD400-7 HD400V2 HD450
- Caterpillar · Mitsubishi Engine:4D30,4D31,4D32,4d34,4D31A,4D31T For Caterpillar CAT Excavator:E70B,E110 For KATO Excavator:HD400,HD450,HD510
- Mitsubishi · s: For Mitsubishi 4D31 Engine KATO HD250 HD400 HD450 Excavator Item Included : 1set Full gasekt kit 4pcs Liner Cylinder 4pcs Piston,STD size 4pcs Piston Pin 8pcs Pin Clips 4 Intake Valves 4 Exhaust Valves 8 Valve Guides 4 Intake Valves Seats 4 Exhaust Valves Seats 4set Ring set for 4pistons.STD size 1set Crankshaft bearing 1set Connect Rod Bearing 1set Thrust washer
- Caterpillar · Mitsubishi 4D31 Engine CAT E40 E70 E70B HD400 SH45 Excavator
Frequently Asked Questions
What parts replace OEM number HD400?
This page lists 3 replacement listings indexed under HD400. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for HD400?
Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.
Can I request a quote if HD400 is not an exact match?
Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.