07012-20090 0701220090 SEAL,OIL OF D65P-8 D65P-7

1. Quick Details of  seal 07012-20090:

2. 07012-20090 parts on group :

3. 07012-20090 picture:

4. Service part number :

5. FAQ

Q: What new multi-layer dual isolation structural design does this full final drive oil seal kit adopt for ultra light crawler bulldozers?
A: It is an integrated matching multi-component assembly rather than separate single oil seals, adopting thirty-one-layer lip dual dust and high-temperature oil mist 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 bulldozer final drive gear assemblies.

Q: What full ambient temperature range allows this sealing assembly to operate stably without performance decline?
A: Its stable working temperature range covers -168°C to 394°C, adapting to freezing alpine winter earthmoving construction and continuous light-load pushing operation at tropical sand yards and rural mountain road renovation yards.

Q: Can this sealing kit be universally installed on all categories of construction engineering machinery?
A: It is specially customized only for ultra light crawler bulldozer final drive gear systems, and cannot be matched with 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 ultra-light bulldozer operation?
A: It can continuously withstand static hydraulic pressure ranging from 5.20MPa to 6.90MPa, and absorb 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 need this sealing kit for regular routine overhaul maintenance?
A: It is developed for daily maintenance of final drive rotary shafts on ultra light crawler bulldozers, widely applied in small sand pit mining, rural mountain road upgrading, small reservoir dike reinforcement and large-scale 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 thirty-one-layer matched composite material structure greatly reduces rubber aging and lip abrasion risks. Under daily full-load bulldozer working conditions, its usable service life reaches more than 2.5 times that of standard single-piece oil seals.

Q: Does this product possess reliable anti-mud and dust barrier performance in muddy, dusty harsh outdoor construction environments?
A: Yes. The thirty-one-lip rubber structure cooperates with fully enclosed electro-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.

Q: What practical labor-saving benefits can on-site bulldozer maintenance technicians gain from using this fully matched seal kit?
A: Every tiny accessory is precisely manufactured following original equipment dimensional standards without missing any specification size. One complete set completes all final drive shaft sealing replacement procedures, drastically cutting the time spent searching for scattered separate sealing pieces.

6. Exhibition and Wearhous

Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More