Description
Product Overview
The 330 to 336 excavator class represents Caterpillar’s workhorse for major infrastructure — road building, dam construction, large-scale excavation, and medium-scale mining. These machines operate at higher loads than the smaller 320 class and face longer average working shifts in applications where productivity demands are highest. The track drive chains in these machines face cumulative fatigue loading that can exceed 5 million cycles per year at high utilisation — making the 10 million cycle rating of C100HSP-00 a meaningful service life buffer rather than a theoretical design limit.
C100HSP-00 matches the OEM Caterpillar chain specification for the 330–336 class through dimensional conformance verified against Caterpillar service documentation. The chain is manufactured from high-strength alloy steel selected for the combination of tensile strength, fracture toughness at low temperatures, and fatigue resistance needed to handle the variable-amplitude loading profile of excavator track drives. Every production batch is tested for tensile strength and dimensional conformance, with results recorded in the material certificate supplied with every order.
C100HSP-00 — high-strength roller chain for Caterpillar heavy equipment
Component List — C100HSP-00
The table below identifies all numbered components in the chain assembly. Each part can be ordered individually for field repair or as a complete assembly for full chain replacement.
| No. | Part Name | Material / Specification |
|---|---|---|
| 1 | Outer link plate | High-strength alloy steel, shot-peened, phosphate treated |
| 2 | Inner link plate | High-strength alloy steel, shot-peened |
| 3 | Pin | Through-hardened high-strength alloy steel |
| 4 | Bushing | Precision case-hardened steel, oil-grooved bore |
| 5 | Roller | Through-hardened steel, precision-ground OD |
| 6 | Connecting link | Full-tensile rated to match chain assembly |
| 7 | Cotter pin | High-carbon steel |
Key Performance Specifications
| Parameter | Value |
|---|---|
| Chain Model | C100HSP-00 |
| Pitch | — in (— mm) |
| Minimum Tensile Strength | — kN |
| Weight | approx. 4.90 kg/m |
| Fatigue Life | 10 million+ cycles |
| Material | High-strength alloy steel, shot-peened |
| Certification | CE, ISO 9001, SGS |
| Compatible Equipment | Caterpillar excavators, dozers, and tracked plant |
High-strength roller chain in heavy earthmoving equipment
Why 10 Million Fatigue Cycles Matters
The C100HSP-00 chain is rated for over 10 million fatigue cycles under its specified load conditions — a figure that directly translates to service life in heavy equipment operation. In a standard excavator duty cycle, the track drive chain completes approximately 3,000–5,000 load cycles per operating hour. At 10 million cycles, the chain’s service life under normal heavy equipment use is 2,000–3,300 operating hours before fatigue-related wear becomes the limiting factor. In practice, abrasive wear from ground contact and operating environment typically determines replacement interval before the fatigue limit is reached, making the 10 million cycle rating effectively equivalent to unlimited fatigue life for normal service conditions.
The through-hardened high-strength steel construction that achieves this rating differs fundamentally from standard roller chain pin treatment. Standard chains use case hardening — the surface layer is hardened while the core remains softer and more ductile. HSP chains use a proprietary through-hardening process where the pin cross-section is hard throughout, raising the shear failure load and eliminating the core-yield fatigue failure mode that limits standard chains under heavy cyclic loading. Shot peening of link plates and pins further raises the fatigue threshold by inducing compressive surface stress that delays crack initiation under tension cycling.
Applications in Caterpillar Equipment
Compatible Caterpillar Equipment Models
The C100HSP-00 chain is designed for direct replacement in Caterpillar-manufactured tracked equipment where the original equipment chain specification matches the pitch and dimensional requirements of the C100HSP-00. Provide your Caterpillar machine model number, serial number, and machine operating hours to our sales team — we will confirm dimensional compatibility and supply the correct chain number of links and connecting link specification for your equipment.
Components and Matching Parts We Supply
Customer Reviews
“We operate Cat 330 excavators in Nordic conditions — freeze-thaw cycling is hard on equipment chains. C100HSP-00 has held up through two full winters without the brittle fractures we had with standard replacement chains at low temperatures. The material certification documents high-strength steel specification — consistent with our supplier quality requirements.”
“Specified C100HSP-00 for our Cat 336 excavators working in clay and tropical conditions. Chain life is 15% longer than the previous supplier’s replacement chains at the same pitch — measurable difference in our maintenance budget. Documentation package complete for our ISO 9001 supplier qualification process.”
“Running Cat 330 and 336 excavators in sandy and rocky terrain. C100HSP-00 chains have performed consistently for 2,200 operating hours before elongation checks triggered replacement — matching our previous OEM replacement intervals. Procurement process is straightforward with no supply disruptions over 3 years of ordering.”
Frequently Asked Questions
Get in Touch
Ready to Place Your Order?
Send us your chain specification and annual volume. Standard enquiries receive a quotation within 2 business days.
