07012-20048 0701220048 SEAL,OIL (K2) OF S6D170-1D S6D170-1C

1. Quick Details of  seal 07012-20048:

2. 07012-20048 parts on group :

3. 07012-20048 picture:

4. Service part number :

5. FAQ

Q: What distinct color and texture features can buyers distinguish among all accessories inside this full maintenance kit?
A: All rubber sealing fittings are matte deep ash black with delicate interlaced fiber grain on the surface. Metal frame and built-in tension spring show uniform silver galvanized metallic luster, while nylon anti-extrusion strips are soft pale off-white, convenient for sorting during bulldozer transmission assembly work.

Q: What integrated multi-layer isolation structural design does this full final drive oil seal kit adopt for crawler bulldozers?
A: It is a complete matched multi-component assembly instead of separate single oil seals, featuring nineteen-layer lip dual dust and high-temperature oil mist blocking design, fully equipped with matched flat gaskets, assorted multi-size O-rings and rigid pressure-resistant support rings covering all sealing positions of 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 -155°C to 369°C, adapting to freezing alpine winter earthmoving construction and non-stop high-temperature heavy-load pushing operation at open-pit mines and highway road leveling yards.

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

Q: What long-term static hydraulic pressure can the whole sealing assembly bear steadily during daily heavy bulldozer operation?
A: It can continuously withstand static hydraulic pressure ranging from 4.55MPa to 6.25MPa, and buffer instantaneous pressure surges triggered by equipment cold startup, emergency braking and frequent load switching to prevent slow persistent gear oil seepage.

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 heavy crawler bulldozers, widely applied in large open-pit mineral exploitation, mountain tunnel excavation, reservoir embankment filling and large-scale wasteland reclamation 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 nineteen-layer matched composite material structure greatly reduces natural aging and lip wear risks. Under daily full-load bulldozer working conditions, its usable service life reaches more than 2.11 times that of standard single-piece oil seals.

Q: Does this product have reliable anti-contamination barrier performance in muddy, dusty harsh field construction environments?
A: Yes. The nineteen-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.

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

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