Our Undercarriage Parts
Parts By Brands
Track roller caps are sealing components engineered to prevent grease leakage and block contaminants from entering the roller assembly in bulldozer undercarriage systems. Designed for durability under demanding worksite conditions, our caps are compatible with a wide range of heavy-duty models including Caterpillar D6, D8, D9, D10, D11 and Komatsu D275, D375. Manufactured with high-strength materials and precision-machined for an optimal fit, these caps help reduce downtime and extend equipment lifespan by maintaining roller integrity.
| No. | Model | Description | Part No. | Unit weight (kgs) |
| 1 | D8 | Cap idler | 306-9440 | 3.28 |
| 2 | D9 | Cap idler | 306-9442/ 306-9444 | 5.36 |
| 3 | D275 | Cap idler | 17M-30-51480 | 8.64 |
| 4 | D375 | Cap idler | 195-30-51570 | 8.51 |
| 5 | D6 | Cap idler | 152-3421 | 1.97 |
| 6 | D10 | Cap idler | 306-9447/ 306-9449 | 8.36 |
| 7 | D11 | Cap idler | 306-9455/ 306-9457 | 6.91 |
Founded in 1987, PingTai Machinery (PT'ZM) specializes in undercarriage parts for excavators and bulldozers, including track rollers, idlers, sprockets, sprocket segments, and related components. Manufactured to precise 1:1 OEM specifications for Komatsu, Caterpillar, Hitachi, Volvo, and other leading brands, our products are durable for mining, urban construction, and extreme environments. Certified with GB/ISO9001, ISO14001, and ISO45001, PT'ZM serves customers worldwide, offering high-quality products, reliable delivery, technical support, and cost-effective solutions for long-term, mutually beneficial partnerships.
