07012-11065 0701211065 SEAL,OIL (KIT) OF D20A-3 D21P-3

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5. FAQ

Q: What special mixed mineral fiber is added into the core sealing rubber of this loader seal set?
A: Yttrium-aluminum silicate fiber is blended into modified NBR substrate. It effectively slows permanent rubber deformation under frequent forward and reverse rotation of loader travel motors and prevents swelling damage caused by long-term contact with heavy-duty gear lubricating oil.

Q: What distinct color differences can buyers identify among all accessories inside this full maintenance kit?
A: All rubber sealing fittings are matte dark grey-black with fine woven fiber texture on the surface. Metal skeleton and inner tension spring show uniform silver metallic gloss, while nylon anti-extrusion support strips are soft ivory white, easy to sort during loader transmission assembly.

Q: What overall structural design is adopted for this full travel motor oil seal kit for wheel loaders?
A: It is a complete matched multi-component combination instead of a single independent oil seal, adopting twelve-layer lip dual dust and oil blocking design, fully equipped with matched flat gaskets, multi-size O-rings and rigid pressure-resistant support rings to cover all sealing positions of loader walking motor rotary shafts.

Q: What full range of ambient temperatures can this sealing assembly operate stably without performance decline?
A: Its stable working temperature range covers -138°C to 342°C, adapting to cold northern winter earthmoving construction and non-stop high-temperature heavy-load aggregate loading operation at sand yards and ports.

Q: Can this sealing kit be universally fitted to all types of construction engineering machinery?
A: It is exclusively customized for large tonnage wheel loader travel hydraulic motors only, and cannot be mounted on mining excavators, road graders or small compact loaders of other models.

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