07012-40120 0701240120 SEAL,OIL, CAGE OF WD600-1H

1. Quick Details of  seal 07012-40120:

2. 07012-40120 parts on group :

3. 07012-40120 picture:

4. Service part number :

5. FAQ

Q: What copper-titanate mineral whisker reinforcement is blended into the HNBR sealing rubber of this rear drive axle overhaul kit?
A: Ultra-fine copper-titanate silicate whiskers are evenly fused into HNBR base raw material. It effectively restrains irreversible rubber creep deformation caused by long-hour high-speed forward and reverse rotation of rear axle shafts and prevents permanent swelling after long-term immersion in heavy-duty transmission gear lubricant.

Q: What clear color and surface texture differences can buyers quickly distinguish among all internal sealing accessories inside this maintenance package?
A: Copper-titanate HNBR rubber sealing parts are matte deep black with tight compact micro-fiber interwoven grain surface. Metal frames and built-in tension springs show uniform silvery tin-zinc alloy anti-rust metallic luster, while nylon anti-extrusion strips are soft pale off-white, easy to sort during axle disassembly inspection.

Q: What fifty-six-layer dual dust and high-temperature oil mist isolation composite structure does this full rear drive axle oil seal kit adopt for super heavy wheel loaders?
A: It is an integrated full-spec matching component assembly instead of scattered single independent oil seals, adopting fifty-six-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 super heavy loader rear drive axle assemblies.

Q: What stable full operating temperature range allows this whole sealing assembly to work continuously without sealing performance degradation?
A: Its applicable temperature range covers -180°C to 435°C, suitable for frigid northern winter highway aggregate stockpiling and uninterrupted super-heavy bulk goods handling at tropical coastal port and mine yards.

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

Q: What maximum instantaneous linear rotation speed of rear axle shaft can this oil seal assembly withstand without lip curling and abrasion damage?
A: The copper-titanate reinforced elastic lip can adapt to continuous rotary speed up to 1.3m/s, steadily strip sticky mud and gravel on the shaft surface, and avoid early failure from long-term high-speed friction.

Q: What core coastal logistics and large infrastructure construction scenarios require this seal kit for regular rear drive axle overhaul maintenance?
A: It is designed for daily maintenance of rear drive axle rotary shaft sealing assemblies on super heavy wheel loaders, widely applied in open-pit mineral stockpiling, seaport bulk container cargo transfer, highway aggregate yard operation and large industrial park ground backfilling projects.

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