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Caterpillar

Precision Caterpillar (Cat) Replacement Drive Sprockets & Segments

Power your Caterpillar fleet with heavy-duty replacement sprockets and segment groups from Shengan Excavator sprocket. Built specifically for Cat excavators and bulldozers, our drive rims feature CNC-machined pitch circles and deep induction-hardened teeth. Engineered to withstand high torque on models from Cat 320 to D8 dozers, we guarantee 100% bolt-on compatibility with original Cat final drives.

Request Your Caterpillar Sprocket Quote with your Cat model or OEM part number to receive instant technical drawings, pitch specs, and factory-direct pricing!

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High-Torque Drive Sprockets & Segment Groups for Caterpillar Fleets

Caterpillar excavators and bulldozers deliver industry-leading hydraulic breakout force and drawbar pull, placing immense strain on the drive sprocket teeth. An ill-fitting aftermarket sprocket can cause pitch mismatch, rapid track link bushing wear, and even final drive hub oil seal failures. Shengan wholesale bulldozer parts manufactures precision-engineered replacement drive rims and segment groups built to original Cat metallurgical and geometric tolerances.

Caterpillar Equipment Line & Sprocket Configuration Guide

To ensure seamless field replacement across Caterpillar's diverse crawler range, we supply both solid drive rims and sectional segment groups:

Cat Equipment Series Popular Models Matched Sprocket Format Key Structural Features
Cat Compact Excavators Cat 305, 307, 308, 312, 315 Solid Monoblock (Bolt-On Hub) Precision PCD bolt-pattern alignment for quick field swaps
Cat Heavy Excavators Cat 320, 323, 330, 336, 349, 390 Heavy Monoblock / Weld-On Rim Deep tooth root hardening to absorb high hydraulic torque
Cat Track-Type Tractors Cat D3, D4, D5, D6, D7, D8, D9 Forged Bolt-On Segments (3–5 teeth) High-strength forged alloy allowing segment replacement without throwing tracks

Engineered for 100% Cat Final Drive Interchangeability

Matching the exact bolt-circle diameter (PCD) and pitch geometry of Caterpillar final drives is critical to preventing downtime:

  • Zero-Tolerance Bolt Patterns: Mounting holes are CNC-machined to match Cat factory drive hub flanges, preventing mounting bolt loosening or shear under heavy travel loads.

  • Exact Pitch Circle Diameter (PCD): Perfectly synchronized tooth spacing prevents "track chain jumping" and reduces uneven wear on Cat Sealed and Lubricated Track (SALT) chains.

  • SystemOne & Heavy-Duty Track Compatibility: Designed to engage smoothly with both standard Cat track bushings and heavy-duty undercarriage configurations.

Metallurgical Excellence & Zone-Hardened Teeth

Driven by Cat's massive engine output, sprocket teeth face extreme sliding friction against abrasive rock, soil, and iron bushings. Every Cat sprocket produced by Shengan excavator parts factory undergoes strict metallurgical processing:

  • Deep Induction Hardening: Sprocket tooth profiles and roots are heat-treated to an effective depth of 8mm–12mm (HRC 52–58), protecting teeth from tip flattening and gouging.

  • Ductile Shock-Absorbing Core: While the teeth remain ultra-hard, the internal hub maintains a tough, ductile core to absorb sudden travel shocks when operating on rocky terrain.

  • Shear-Resistant Segment Bolt Seats: For Cat D-series dozer segments, precision-milled bolt seating areas ensure uniform clamping pressure and prevent bolt breakage under heavy ripping conditions.

Factory-Direct Quality & Value for Caterpillar Owners

Why Cat machinery owners, equipment rental fleets, and repair centers partner with Shengan:

  • 100% CMM Dimensional Inspection: Every batch is tested for tooth contour accuracy, pitch symmetry, and bolt-hole alignment before leaving the factory.

  • Direct Factory Cost Savings: Get OEM-level structural strength and service life at a fraction of genuine Caterpillar dealer pricing.

  • Export-Grade Ocean Packaging: Treated with anti-corrosion oil, shrink-wrapped, and packed on heavy-duty steel-reinforced pallets for safe ocean transport.

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