472492 Power Take‑Off Shaft Overhaul Oil Seal Repair Kit for Crawler Dozer
1. Quick Details of seal 472492:
| Part NO. | 472492 |
| Machine | Crawler Dozer |
| Size | OEM |
| Material | FKM‑Nitrile blended rubber with stamped carbon steel shell |
| Oil seal type | SEAL LIP |
2. 472492 picture:
3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 254287 | 470954 | 480028 |
| 471750 | 90036 | 473016 |
| 370087 | 8660S | 370021 |
| 471554 | 254270 | 254287 |
| 415991 | 370018A | 417484 |
| 415187 | 471224 | 473214 |
4. FAQ
Q: What materials are used to produce this oil seal repair kit?
A: It adopts FKM‑nitrile blended rubber sealing lip and stamped carbon steel shell, balancing heat‑resistant and wear‑resistant properties against gear oil and mine‑site fine dust.
Q: What color features do these sealing components have?
A: The blended rubber part is jet black, the metal shell shows natural matte grey surface after anti‑rust passivation treatment.
Q: Which equipment assembly does this seal kit match for maintenance?
A: It fits power take‑off shaft assembly, preventing lubricant leakage at rotating PTO shaft joint of crawler dozer.
Q: Could these sealing assemblies bear heavy‑load pushing and frequent power output switching?
A: Yes, it can resist alternating friction heat and continuous vibration during earth‑moving and auxiliary equipment driving work.
Q: Does this kit come with all sealing accessories for one PTO shaft overhaul?
A: Yes, it contains matched oil seals, high‑tension garter springs and anti‑extrusion auxiliary backup rings for single‑unit repair.
Q: What temperature range can these seals maintain normal working status?
Q: Reliable sealing performance from ‑22℃ up to 170℃ under harsh open‑pit construction conditions.
Q: What key points should repair technicians notice during installation?
A: Protect blended rubber lip away from sharp spline corners; do not squeeze or twist stamped steel shell when pressing seals into position.
Q: How should warehouse staff preserve these spare seal kits for long‑term stock?
A: Store in cool dry storage area, avoid heavy stacking and direct sunlight exposure to slow rubber performance deterioration.
Q: What practical observable sign suggests seal replacement is necessary?
A: Persistent lubricant seepage around PTO shaft housing, with soil and tiny metal powder building up near the leaking spot.
Q: Is this seal kit compatible with other crawler‑type construction machines?
A: It is specially developed for crawler dozer power take‑off shaft structure; cross‑model installation is not encouraged.
5. Exhibition and Wearhous
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