Dozer Top Roller
Keywords：
For Caterpillar(CAT) D4D Dozer Top Carrier Roller 6K9879, 6K9880, 3K7962, CR2880
Caterpillar (CAT) D4D Dozer is a classic, reliable powerhouse that demands high-quality undercarriage components to maintain its legendary pushing performance. This top carrier roller part numbers 6K9879, 6K9880, 3K7962, and CR2880, engineered with heavy-duty forged steel and precision induction hardening. It provides superior track alignment and exceptional durability in harsh environments. Quality guaranteed by Shengde Machinery, a 26-year undercarriage factory. Note: Part numbers are for reference only. Please verify your machine's part install interface or dimensions with us for a 100% precision fit.
This top roller applies to Komatsu D65 dozer. Reference part No. includes 141-30-00566, 14X-30-00143, 14X-30-00141, 14X-30-00142, 141-30-00560, 14X-30-00140. Forged with premium 50MnB manganese steel alloy. Unique structure design prevents the bushing from loosening. The surface hardness is 56°-62° HRc. The whole shell is heat-treated to maximize wear life.
Komatsu D275 is a massive mining dozer that requires heavy-duty undercarriage support for extreme workloads. This top carrier roller is engineered for the D275 series, compatible with part numbers 17M-30-00340, 17M-30-00341, 17M-30-01340, 17M-30-01341, and KM3601. Produced by Shengde Machinery (a 26-year factory), it features forged 40Mn2 steel and induction hardening to withstand high-impact stress. Note: Verify your install interface before ordering for a 100% precision fit.
This part with part no. 195-30-00106, 170-30-00100, 170-30-00101, 170-30-00102, or 170-30-00103 is for Komatsu D355 series dozers. Engineered by Shengde Machinery (a 26-year factory), this top carrier roller features heavy-duty forged steel and induction-hardened surfaces to withstand massive mining loads. It includes high-performance floating seals for maintenance-free operation. Note: Part numbers are for reference only. Please verify your install interface or dimensions for a 100% precision fit.
Don't know how to choose or measure the product?
Let us help you. We're experts!
Leave a message, we'll see what we can do
Recent Products
Recent News
undefined
Track undercarriage expert. Since 1999. Main business: design, produce and wholesale track undercarriages, steel tracks and all undercarriage parts.
CONTACT US
Service Mail: info@cnqzshengde.com
Service Line: +86-595-6829-6580
Sales Manager: +1-213-246-6396
Tel: +86-595-22450505 / 22451159 / 22425555
Postcode: 362000
Copyright © 1999 - 2026 Shengde Machinery All rights reserved - Unified Social Credit Code: 91350502705285683C
Powered by Shengde Machinery International Trade Department | SEO
Track Undercarriage Factory | Wholesale Track Undercarriage | Track Undercarriage Parts
