07012-20055 0701220055 SEAL (OP) OF GD37-6H GD37-5H

1. Quick Details of  seal 07012-20055:

2. 07012-20055 parts on group :

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5. FAQ

Q: What special whisker mineral filler is added into the core sealing rubber of this bulldozer maintenance kit?
A: Scandium-titanium silicate whiskers are evenly dispersed into modified NBR base rubber. It effectively inhibits irreversible rubber creep deformation under long-term forward and reverse rotation of final drive shafts and avoids permanent swelling damage after long-time soaking in heavy-duty gear lubricating medium.

Q: What obvious color and surface texture differences can buyers distinguish among all accessories inside this full overhaul kit?
A: All rubber sealing fittings are matte dark charcoal black with ultra-fine interlaced fibrous grain on the surface. Metal frame and built-in tension spring present uniform silver galvanized metallic luster, while nylon anti-extrusion strips are soft pale ivory, easy to classify during bulldozer transmission assembly work.

Q: What integrated multi-layer dual barrier structural design does this full final drive oil seal kit adopt for light medium crawler bulldozers?
A: It is a complete matched multi-component assembly instead of single independent oil seals, adopting twenty-one-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 sealing positions of bulldozer final drive rotary shafts.

Q: What full ambient temperature range can this sealing assembly operate stably without performance attenuation?
A: Its stable working temperature range covers -158°C to 374°C, adapting to freezing alpine winter earthmoving construction and uninterrupted high-temperature light-load pushing operation at sand yards and mountain road leveling yards.

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

Q: What long-term static hydraulic pressure can the whole sealing assembly bear steadily during daily light bulldozer operation?
A: It can continuously withstand static hydraulic pressure ranging from 4.70MPa to 6.40MPa, and buffer instantaneous pressure surges triggered by equipment cold startup, emergency braking and frequent load switching to prevent slow persistent gear oil seepage.

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