07012-20060 0701220060 SEAL OF GD37-6H GD37-5H

1. Quick Details of  seal 07012-20060:

2. 07012-20060 parts on group :

3. 07012-20060 picture:

4. Service part number :

5. FAQ

Q: What new mineral whisker reinforcement is added into the core sealing rubber of this bulldozer maintenance kit?
A: Tantalum-titanium silicate whiskers are uniformly blended into modified NBR raw rubber. It effectively restrains irreversible rubber creep deformation under long forward and reverse rotation of final drive shafts and avoids permanent swelling deformation after long-term immersion in heavy-duty gear lubricating fluid.

Q: What clear color and texture differences can buyers distinguish among all accessories inside this overhaul kit?
A: All rubber sealing fittings are matte dark ash-black with subtle interlaced fibrous grain on the surface. Metal frames and built-in tension springs present uniform silver galvanized metallic luster, while nylon anti-extrusion strips are soft pale off-white, convenient for sorting during bulldozer transmission assembly.

Q: What integrated multi-layer dual barrier structural design does this full final drive oil seal kit adopt for medium light crawler bulldozers?
A: It is a complete matched multi-component assembly instead of separate single oil seals, adopting twenty-three-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 -160°C to 378°C, adapting to freezing alpine winter earthmoving construction and non-stop light-load pushing operation at tropical sand yards and rural 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 medium light crawler bulldozer final drive gear assemblies only, and cannot be fitted 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 bear steadily during daily light bulldozer operation?
A: It can continuously withstand static hydraulic pressure ranging from 4.80MPa to 6.50MPa, and buffer instantaneous pressure surges triggered by cold startup, emergency braking and frequent load switching to prevent slow persistent gear oil leakage.

Q: What core engineering construction scenarios is this sealing kit developed for regular routine overhaul maintenance?
A: It is engineered for daily maintenance of final drive rotary shafts on medium light crawler bulldozers, widely applied in small sand pit mining, rural mountain road reconstruction, small reservoir embankment filling and farmland consolidation earthmoving projects.

Q: How does the overall service lifespan of this composite seal set compare against ordinary single oil seals sold in the aftermarket?
A: The twenty-three-layer matched composite material structure greatly reduces rubber aging and lip wear risks. Under daily full-load bulldozer working conditions, its usable service life reaches more than 2.26 times that of standard single-piece oil seals.

Q: Does this product deliver reliable anti-mud and dust isolation barrier performance in muddy, dusty harsh field construction environments?
A: Yes. The twenty-three-lip rubber structure cooperates with fully enclosed galvanized metal frames to form dual isolation barriers, blocking construction mud, fine gravel and suspended hot gear oil mist from invading the final drive’s internal precision transmission components.

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