254287 Heavy‑Duty Final Drive Shaft Oil Seal Repair Kit For Bulldozer Travel Final Drive Assembly Overhaul And Servicing
1. Quick Details of seal 254287:
| Part NO. | 254287 |
| Machine | Bulldozer |
| Size | OEM |
| Material | FKM fluoro‑rubber |
| Oil seal type | SEAL LIP |
2. 254287 picture:
3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 472475 | 471354 | 478035 |
| 450867 | 370021 | 473016 |
| 471567 | 370119A | 471281 |
| 480028 | 471442 | 473230 |
| 471570 | 472705 | 450400 |
| 471267 | 481192 | 473214 |
4. FAQ
Q: Can this oil seal work steadily on rotating shaft assemblies?
A: Yes, the specially designed sealing lip fits rotary shafts to block internal lubricant leakage.
Q: What tough site working conditions can this seal kit withstand for bulldozer final drive?
A: It stands up to heavy impact torque, continuous low‑speed rotation, dust erosion and heat accumulation during earth‑pushing and rock‑shifting jobsite operations.
Q: Does this overhaul kit contain all sealing consumables for full final drive shaft maintenance?
A: Yes, main double‑lip shaft oil seal, assorted multi‑size O‑rings, anti‑wear shims and tiny auxiliary sealing washers are fully contained within one kit.
Q: Does this overhaul kit contain all sealing consumables required for full wheel hub servicing?
A: Yes, main hub lip oil seal, multi‑size O‑rings, anti‑wear auxiliary washers and tiny sealing shims are fully assembled inside one repair kit.
Q: What practical operating symptoms indicate wheel hub oil seals need to be replaced?
A: Grease leakage at hub assembly, continuous lubricant loss, low‑frequency roaring noise from wheel end and abnormal temperature rise on hub outer surface.
Q: Are these oil seal kits manufactured according to standard installation dimensional specifications?
A: Each complete kit is precision sized to match standard shift‑shaft housing bore dimensions for backhoe loader assemblies.
Q: Will frequent forward‑reverse travel rotation accelerate abrasion of sealing lip?
A: Specially adjusted lip contact pressure reduces friction heat output, slowing lip wear under long‑term bidirectional rotary working cycles.
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.
5. Exhibition and Wearhous
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