Track Roller 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.

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