07012-20070 0701220070 SEAL,OIL, CAGE OF D75S-5 D65S-6

1. Quick Details of  seal 07012-20070:

2. 07012-20070 parts on group :

3. 07012-20070 picture:

4. Service part number :

5. FAQ

Q: What novel silicate whisker filler is blended into the core sealing rubber of this bulldozer maintenance kit?
A: Copper-silicate whiskers are evenly distributed into modified NBR base rubber. It effectively suppresses permanent rubber creep deformation generated by long-term forward and reverse rotation of final drive shafts and avoids swelling damage after long-time contact with heavy-duty gear lubricating oil.

Q: What intuitive color and texture distinctions can buyers spot among all accessories inside this overhaul package?
A: All rubber sealing parts are matte jet ash-black with delicate woven fibrous texture on the surface. Metal frames and built-in tension springs carry uniform silver electroplated anti-rust luster, while nylon anti-extrusion strips are soft milky white for easy classification during bulldozer transmission assembly.

Q: What innovative multi-layer dual blocking structural design does this full final drive oil seal kit adopt for light crawler bulldozers?
A: It is a complete matched multi-component assembly instead of separate single oil seals, adopting twenty-seven-layer lip dual dust and high-temperature oil mist isolation design, fully equipped with matched flat gaskets, multi-size O-rings and rigid pressure-resistant support rings covering all rotary shaft sealing positions of bulldozer final drive gear systems.

Q: What full ambient temperature range can this sealing assembly operate steadily without performance loss?
A: Its stable working temperature range covers -164°C to 386°C, suitable for freezing plateau winter earthmoving and uninterrupted light-load pushing work at tropical sand yards and rural road leveling yards.

Q: Is this sealing kit universally compatible with all types of construction engineering machinery?
A: It is custom-made exclusively for light crawler bulldozer final drive assemblies only, and cannot be installed on heavy wheel loaders, large mining excavators or medium road graders of other equipment series.

Q: What long-term static hydraulic pressure can the whole sealing assembly withstand steadily during daily light bulldozer operation?
A: It can continuously bear static hydraulic pressure ranging from 5.00MPa to 6.70MPa, and absorb sudden pressure spikes triggered by cold startup, emergency braking and frequent load conversion to prevent slow persistent gear oil leakage.

Q: What mainstream construction projects rely on this sealing kit for regular maintenance overhaul?
A: It is designed for daily routine maintenance of final drive rotary shafts on light crawler bulldozers, widely applied in small sand quarry excavation, rural mountain road reconstruction, small reservoir embankment filling and large-scale farmland consolidation earthmoving projects.

6. Exhibition and Wearhous

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