Premium D8 Series Bulldozer Undercarriage Parts Track Roller Track Groups Links and Shoes
The undercarriage system is the foundation of your D8 series bulldozer's performance, bearing the brunt of impact and wear in severe-duty applications. Designed for heavy construction, mining, and earthmoving operations, GT Industries delivers premium aftermarket undercarriage parts engineered to maximize equipment uptime and minimize your cost-per-hour.
Our comprehensive range of D8 components—including track group assemblies, track links, track shoes, and high-tensile fasteners—are manufactured to exact OEM specifications, ensuring seamless interchangeability and optimal traction in the most abrasive environments.
Engineering & Manufacturing Excellence
Advanced Heat Treatment: All track links and shoes undergo strict deep induction hardening and tempering processes. This creates a high-hardness wear surface with a tough, ductile core to resist cracking under heavy impact loads.
Superior Material Science: Components are forged from premium high-carbon boron steel and wear-resistant alloy steels, significantly extending the Mean Time Between Failures (MTBF).
High-Tensile Hardware: Track bolts and nuts are precision-machined from forged alloy steel, offering exceptional tensile and shear strength to prevent loosening or shearing during high-torque operations.
Precision Fit: Every component is CNC-machined to strict dimensional tolerances, guaranteeing perfect alignment and reducing accelerated wear on mating parts.
| Component Type | Core OEM Part Numbers |
| Track Group Assembly | 8S-0415, 6Y-2330, 2P-9513, 2P-9512, 2P-9511, 2P-9516 |
| Track Link Assembly | 8S-0398, 9W-8938, 9W-8937, 2P-9492 |
| Track Shoe (Standard/Extreme) | 188-5617, 8S-0345, 188-5313, 2S-6346, 188-5613, 188-5615 |
| End Shoe | 188-5618, 8S-0385, 188-5314, 188-5614, 188-5616 |
| Shoe Bolt & Nut | 7H3599 (Bolt), 2S2140 (Nut) |
| Track Roller (Extended) | 122-8065 (Single Flange), 122-8066 (Double Flange) |












