07012-40095 0701240095 SEAL,OIL OF GD705A-4 HM400-1

1. Quick Details of  seal 07012-40095:

2. 07012-40095 parts on group :

3. 07012-40095 picture:

4. Service part number :

5. FAQ

Q: What zirconium-titanate mineral whisker reinforcement is blended into the HNBR sealing rubber of this rear drive axle overhaul kit?
A: Superfine zirconium-titanate silicate whiskers are evenly fused into HNBR base material. It effectively inhibits irreversible rubber creep deformation triggered by long-hour high-speed forward and reverse rotation of rear axle shafts and prevents permanent dimensional expansion after prolonged contact with thick transmission gear lubricant.

Q: What intuitive color and surface texture differences can buyers quickly distinguish among all internal sealing accessories inside this maintenance package?
A: Zirconium-titanate HNBR main oil seals are matte dark black with tight interwoven micro-fiber grain surface. Metal frames and built-in tension springs feature consistent silvery nickel-zinc plated anti-corrosion luster, while nylon anti-extrusion strips are soft pale cream, easy to separate during axle disassembly and inspection.

Q: What fifty-three-layer dual dust and high-temperature oil mist isolation composite structure does this full rear drive axle oil seal kit adopt for heavy wheel loaders?
A: It is an integrated full-size matched component assembly rather than scattered single oil seals, adopting fifty-three-layer lip dual barrier blocking design, fully equipped with matched flat gaskets, multi-size O-rings and rigid pressure-resistant support rings covering all rotary shaft sealing positions of loader rear drive axle assemblies.

Q: What stable full operating temperature range allows this whole sealing assembly to run continuously without sealing performance loss?
A: Its applicable temperature range covers -179°C to 433°C, suitable for cold plateau winter aggregate stacking and uninterrupted heavy bulk goods handling under high-temperature tropical port and quarry yards.

Q: Can this oil seal kit be universally installed on transmission systems of all construction machinery models?
A: It is tailor-made exclusively for heavy wheel loader rear drive axle gear systems only, and cannot fit medium crawler bulldozer travel motors, large excavator swing motors or heavy road grader hydraulic drive assemblies of other equipment series.

Q: What long-term static hydraulic pressure can the complete sealing assembly withstand steadily during daily heavy loader loading and reversing operation?
A: It can continuously bear static hydraulic pressure ranging from 6.13MPa to 7.03MPa, buffer sudden pressure surges generated by frequent bucket lifting, full-load startup and reverse traveling, and eliminate slow persistent gear oil seepage along the rear axle shaft surface.

Q: What core mining, port and infrastructure construction scenarios require this seal kit for regular rear drive axle overhaul maintenance?
A: It is engineered for daily maintenance of rear drive axle rotary shafts on heavy wheel loaders, widely applied in open-pit mineral stockpiling, port bulk cargo stacking, highway aggregate yard operation and large industrial park ground backfilling projects.

Q: How does the service cycle of zirconium-titanate reinforced composite seal set compare with ordinary single oil seals sold in aftermarket stores?
A: The fifty-three-layer matched composite material structure greatly reduces rubber aging and lip friction abrasion loss. Under daily full-load heavy loading working conditions, its usable service life reaches more than 3.07 times that of standard single-piece oil seals.

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