| No | Model No. | Part No. | Pitch (mm) | Weight (kg/set) | Teeth Number & Pieces per set |
| 1 | D3K/D4K | 278-2357 | 155 | 35.26 | 6teeth x 1pc + 5teeth x 5pcs |
| 2 | D50 | 131-27-61710 | 175 | 51.3 | 3teeth x 9pcs |
| 3 | D51 | 12Y-27-11510 | 175 | 51.3 | 3teeth x 9pcs |
| 4 | D68ESS | 134-27-61631 | 203 | 62.4 | 5teeth x 5pcs |
| 5 | D60/D65 | 141-27-32410 | 203 | 70.02 | 3teeth x 9pcs |
| 6 | D85 | 155-27-00151 | 216 | 74.1 | 5teeth x 5pcs |
| 7 | SD22 | 154-27-12273A | 216 | 74.1 | 5teeth x 5pcs |
| 8 | D85EX-15/PX-15 | 154-27-71630 | 216 | 71 | 3teeth x 9pcs |
| 9 | D155/SD32 | 175-27-22325A | 228 | 100.62 | 3teeth x 9pcs |
| 10 | D355/SD42 | 31Y-18-00014 | 260 | 148 | 3teeth x 9pcs |
| 11 | D275 | 17M-27-41630 | 260.4 | 149 | 5teeth x 5pcs |
| 12 | D375 | 195-27-33110 | 280 | 150 | 5teeth x 5pcs |
| 13 | D475 | 198-27-42281 | 317.5 | 220 | 5teeth x 5pcs |
Notes:
- Material: 35 MnBH, 40 Mn2; HRS: 47-50° or 49-52°.
- Price Valid time: within 30 days.
- Above price is based on EX-Work price. MOQ: 10 sets.
- All the products have stocks. And we accept customized, the moq is 100 sets for each customized items.

The SW sprocket segment is a forged undercarriage spare part designed to fit KOMATSU. Manufactured from high-strength alloy steel and treated for superior wear resistance, this sprocket segment ensures excellent engagement with track links, reduced vibration, and longer service life in rugged conditions. Ideal for heavy-duty earthmoving, mining, and construction applications.
Key Features
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OEM-fit design for KOMATSU
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Precision-forged for superior hardness and structural integrity
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Ideal for demanding off-road and construction operations
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Built to resist heavy wear, pressure, and temperature extremes
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Preferred by B2B importers, distributors, and maintenance professionals
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Product Name: Bulldozer Parts
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Part Type: Sprocket Segment
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Compatible Model: KOMATSU
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Category: Bulldozer Spare Parts
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Brand Name: SongWang
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Place of Origin: Fujian, China
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Material: Forged Alloy Steel
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Technique: Precision Forging
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Color Options: Yellow / Grey / Black
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Warranty: 1 Year
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Video Outgoing Inspection: Provided
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Machinery Test Report: Not Available
Why Choose SongWang – Your Trusted Bulldozer Parts Manufacturer in China
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Over 15 years of forging experience in construction machinery components
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Large-scale 25,000㎡ factory with full in-house forging & heat treatment
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Exported to 50+ countries with stable quality and competitive prices
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Supports OEM/ODM orders for international B2B clients
Fujian Songwang Machinery Parts Co., Ltd.








