Idler Cap
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Heavy Equipment Undercarriage Parts
Mounting Caps
Mounting caps are engineered to deliver high-performance sealing for undercarriage components such as track rollers and idlers.
Engineered to protect the core components of the idler assembly, our idler caps serve as a reliable barrier against dust, moisture, and debris. Precision-fitted to seal the idler housing, these caps help maintain operational stability and prolong the service life of undercarriage systems. Available for a wide range of dozer models including Caterpillar D6, D8, D9, D10, D11 and Komatsu D275, D375, each cap is manufactured using high-strength materials that offer excellent sealing performance and long-term durability in harsh working environments. Ideal for fleets requiring consistent uptime and reduced maintenance.
| 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 |
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