Excavator parts
Complete Heavy-Duty Excavator Buckets & Undercarriage Parts
Welcome to our comprehensive Excavator Parts Directory at Shengan Excavator Parts. We manufacture OEM-grade excavator attachments and undercarriage components, including Excavator Buckets, Track Rollers, Carrier Rollers, Idlers, Sprockets, and Track Links. Engineed for Caterpillar, Komatsu, Hitachi, Doosan, and Yanmar fleets, our factory-direct parts deliver maximum durability and exact bolt-on fitment.
Request Your Excavator Parts Quote with your machinery model, part numbers, or specific bucket/undercarriage requirements to get instant CAD cross-references, technical support, and factory-direct wholesale pricing!
One-Stop Shop for Excavator Buckets & Undercarriage Components
Maintaining peak operational efficiency and extending the working life of heavy crawler machinery requires high-yield undercarriage components and heavy-duty digging attachments. As a specialized excavator parts manufacturers, Shengan Excavator Parts produces high-performance replacement parts designed to withstand abrasive soils, heavy impacts, and extreme torque across global construction, mining, and quarrying jobsites.
Core Excavator Parts & Product Category Breakdown
Our excavator parts factory directory provides direct factory access to all major crawler undercarriage components and front-end digging attachments:
| Product Line | Key Structural & Engineering Features | Main Operational Function | Featured Equipment Compatibility |
| Excavator Buckets | Reinforced steel lips, high-tensile adapter teeth, grid-reinforced bottom straps | Earthwork digging, trenching & heavy rock loading | Cat E312, E200B, CAT320, Komatsu PC200, Hitachi EX200 |
| Track Roller (Bottom Roller) | Deep-hardened forged shells, Duo-Cone mechanical seals, high-yield shafts | Bearing total machine weight & guiding track chains | Cat, Komatsu, Hitachi, Doosan, Yanmar excavators |
| Carrier Roller (Top Roller) | Heavy-duty bronze bushings, pressure-tested oil reservoirs | Supporting upper track weight to prevent sag & binding | Medium to heavy crawler excavators & dozers |
| Idler (Front Idler Assembly) | Induction-hardened treads (HRC 50–56), shock-absorbing recoil brackets | Guiding track alignment & dampening travel shocks | Komatsu PC800, Doosan DH55, Yanmar VIO55 |
| Sprocket (Drive Sprocket/Segment) | CNC-machined pitch circle, deep tooth-root induction hardening | Transferring hydraulic torque directly into track drive | Hitachi UH07-5, Cat 320, Komatsu PC300 |
| Track Link (Track Chain) | Forged 35MnB boron steel links, sealed & lubricated (SALT) options | Forming the driving chain backbone to prevent pitch stretch | Complete multi-brand excavator & dozer fleets |
Broad OEM Fleet Interchangeability
Machine downtime due to component failure is costly. Shengan engineers every Track Roller, Carrier Roller, Idler, Sprocket, Track Link, and Excavator Bucket according to original equipment manufacturer (OEM) mounting dimensions and tolerances:
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Caterpillar (Cat): Heavy-duty rock buckets and precision undercarriage parts for Cat E312, E200B, CAT320, and 336 series.
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Komatsu: High-load front idlers, rollers, and buckets tailored for Komatsu PC200 through PC800 mining excavators.
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Hitachi & Doosan: Drive sprockets, bottom rollers, and idlers engineered for Hitachi EX/ZX models and Doosan DH55 series.
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Mini & Compact Machinery: Compact idlers and track components designed specifically for Yanmar VIO55 and small utility excavators.
Advanced Metallurgy & Factory-Direct Value
Why global parts distributors, rental fleets, and equipment owners source from Shengan:
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Induction Hardening Control: Critical wear surfaces on rollers, idlers, sprockets, and track link rails are heat-treated to an effective hardness depth of HRC 50–58 to prevent surface grooving and mushrooming.
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Leak-Proof Sealing Technology: All track rollers, carrier rollers, and idlers feature lifetime Duo-Cone mechanical face seals and high-purity synthetic lubricants to keep grit and moisture out.
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Rigorous Pre-Shipment Testing: Every assembly undergoes dimensional CMM verification, pressure testing for oil seals, and fitment checks against original CAD drawings.