130-09-11721 1300911721 RING,WIPER OF D75S-2 D50A-18
1. Quick Details of seal 130-09-11721:
| Part NO. | 130-09-11721 |
| Machine | Bulldozer |
| Size | 50*75*12.5mm |
| Material | NBR rubber |
| Oil seal type | SEAL LIP |
2. 130-09-11721 parts on group :
| NO. | PART NO. | PRAT NAME | QTY |
| 1 | 131-78-37131 | CYLINDER,HYDRAULIC | 1 |
| 2 | 131-78-37150 | BUSHING | 2 |
| 3 | 131-78-37160 | SEAL,DUST | 4 |
| 4 | 131-78-37111 | HEAD,CYLINDER | 1 |
| 5 | 141-60-15281 | BUSHING | 1 |
| 6 | 141-60-15330 | HEEL,NYLON | 1 |
| 7 | 141-60-15320 | U-RING | 1 |
| 8 | 141-60-15311 | HEADER,GASKET | 1 |
| 9 | 141-60-15291 | RING,SNAP | 1 |
| 10 | 130-09-11721 | RING,WIPER | 1 |
| 11 | 07000-15150 | O-RING | 1 |
| 12 | 07001-05150 | RING,BACK-UP | 1 |
| 13 | 01010-82765 | BOLT | 4 |
| 14 | 01602-22783 | WASHER,SPRING | 4 |
| 15 | 131-78-37121 | ROD,PISTON | 1 |
| 16 | 141-60-15231 | PISTON | 1 |
| 17 | 141-60-15241 | RING,PISTON | 2 |
| 18 | 141-60-15251 | HEEL,NYLON | 2 |
| 19 | 141-60-15261 | U-RING | 2 |
| 20 | 141-60-15211 | HOLDER,U-RING | 2 |
| 21 | 141-60-15440 | STOPPER | 2 |
| 22 | 130-78-61140 | SHIM | 1 |
| 23 | 01590-14850 | NUT | 1 |
| 24 | 04050-18085 | PIN,COTTER | 1 |
| 25 | 131-78-37242 | TUBE | 1 |
| 26 | 131-78-37252 | TUBE | 1 |
| 27 | 07000-23030 | O-RING | 2 |
| 28 | 01010-81445 | BOLT | 2 |
| 29 | 01602-21442 | WASHER,SPRING | 2 |
| 30 | 01010-80835 | BOLT | 2 |
| 31 | 01602-20825 | WASHER,SPRING | 2 |
| 32 | 01010-80850 | BOLT | 2 |
| 33 | 01602-20825 | WASHER,SPRING | 2 |
| 34 | 07283-22738 | CLIP | 1 |
| 35 | 01599-01011 | NUT | 2 |
| 36 | 01643-21032 | WASHER | 2 |
3. 130-09-11721 picture:
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| 707-99-67760 | 707-99-75470 | 707-98-62120 |
| 707-98-26620 | 707-98-38600 | 707-98-64450 |
| 707-51-85211 | 707-98-26600 | 707-98-38551 |
| 707-51-18030 | 707-98-37110 | 707-51-19030 |
| 707-51-18130 | 707-98-37130 | 707-51-20250 |
| 707-51-19030 | 707-98-37300 | 707-51-20080 |
| 707-51-20250 | 707-98-26300 | 707-51-85650 |
| 707-98-26620 | 707-98-38600 | 707-51-20250 |
| 707-99-66660 | 707-99-73150 | 707-98-56610 |
5. FAQ
Q: Which construction machinery is part number 130‑09‑11721 oil seal kit designed for?
A: Part number 130‑09‑11721 oil seal kit is produced for bulldozer final drive ring gear assembly disassembly repair and field maintenance.
Q: What raw materials are adopted for making the 130‑09‑11721 oil seal kit?
A: 130‑09‑11721 oil seal kit applies anti‑compression NBR rubber sealing components and anti‑rust galvanized stamped steel back‑up shell.
Q: What core sealing task does this kit accomplish after proper installation?
A: It seals the clearance between ring gear and housing bore, stops gear lubricant leakage and prevents outside dust from scratching ring gear inner tooth surface.
Q: What product category does this spare part belong to?
A: It falls into oil seal kit category, mainly used for final drive carrier on‑site overhaul and reassembly.
Q: What risk will scratch damage bring to electrophoretic coated shell?
A: Once the coating layer is scratched off, bare steel will corrode gradually, which may lead to seal loosening and unexpected oil leakage.
Q: How well can this full sealing kit block mud, gravel dust and hot gear oil mist on muddy outdoor road job sites?
A: The multi-layer flexible rubber lip scrapes thick mud off the shaft surface, the fully enclosed plated metal shell blocks coarse dust particles, and inner auxiliary rubber layers isolate high-temperature oil mist to protect internal precision gears.
6. Exhibition and Wearhous
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