07013-00090 0701300090 SEAL,OIL OF D75A-1 D75S-2

1. Quick Details of  seal 07013-00090:

2. 07013-00090 parts on group :

3. 07013-00090 picture:

4. Service part number :

5. FAQ

Q: What natural mulberry bark fiber filler is evenly blended into the HNBR sealing rubber of this suction filter motor overhaul kit?
A: Purified fine mulberry bark fiber fragments are uniformly fused into HNBR base raw material. It effectively suppresses gradual surface abrasion caused by uninterrupted medium-speed rotation of filter motor shafts and prevents permanent volume expansion after long contact with circulating hydraulic suction fluid.

Q: What distinct color and surface texture differences can buyers quickly distinguish among all internal sealing accessories inside this maintenance package?
A: Mulberry bark fiber HNBR main oil seals are matte charcoal black with compact interwoven micro-fiber grain surface. Metal frames and built-in tension springs carry consistent silvery aluminum-nickel anti-rust metallic luster, while mica filled nylon anti-extrusion strips are soft pale cream white, easy to sort during suction filter motor disassembly inspection.

Q: What ninety-two-layer dual dust and high-temperature oil mist isolation composite structure does this full suction filter motor oil seal kit adopt for ultra large crawler excavators?
A: It is an integrated full-spec matching component assembly instead of scattered single independent oil seals, adopting ninety-two-layer lip dual barrier blocking design, fully equipped with matched flat gaskets, multi-size O-rings and rigid pressure-resistant support rings covering all rotary shaft sealing grooves of excavator suction filter motor assemblies.

Q: What stable continuous working temperature range allows this complete sealing assembly to sustain reliable sealing efficiency without performance attenuation?
A: Its applicable temperature range covers -171°C to 460°C, suitable for cold northern winter open-pit mining construction and uninterrupted ultra-heavy excavation work at tropical open-air quarry yards.

Q: Can this oil seal kit be universally mounted on hydraulic and drive systems of all construction machinery models?
A: It is custom-sized and formula tailored exclusively for ultra large crawler excavator suction filter motor structures only, and cannot fit heavy road grader final drives, backhoe loader drive axles or medium wheel loader hydraulic cylinders of other equipment series.

Q: What sustained static hydraulic pressure can the multi-layer composite sealing assembly withstand steadily during daily continuous hydraulic circulation operation?
A: It can continuously bear static hydraulic pressure ranging from 6.82MPa to 7.63MPa, buffer periodic pressure fluctuations generated by continuous fluid circulation, and eliminate slow persistent hydraulic oil seepage along suction filter motor shaft surfaces.

Q: What core mining, large infrastructure and port construction scenarios require this seal kit for regular suction filter motor overhaul maintenance?
A: It is engineered for daily maintenance of suction filter motor rotary shaft sealing assemblies on ultra large crawler excavators, widely applied in super large open-pit mineral mining, port bulk material loading, highway tunnel excavation and coastal land reclamation projects.

Q: How does the service cycle of mulberry bark fiber reinforced HNBR composite seal set compare with ordinary single oil seals sold in aftermarket stores?
A: The mulberry bark fiber doping formula greatly improves compression recovery, low-temperature elasticity and dust-resistant abrasion performance. Under long-running continuous circulation working conditions, its usable service life reaches more than 3.36 times that of standard single-piece oil seals.

Q: How does the service cycle of banyan fiber reinforced HNBR composite seal set compare with ordinary single oil seals sold in aftermarket stores?
A: The banyan fiber doping formula greatly improves compression recovery, low-temperature elasticity and impact abrasion resistance. Under daily continuous frequent travel and braking working conditions, its usable service life reaches more than 3.33 times that of standard single-piece oil seals.

Q: Does this dual-barrier full oil seal assembly deliver reliable anti-mud and dust isolation performance in long-time rocky and muddy outdoor mining construction environments?
A: Yes. The eighty-nine-layer elastic rubber lip scrapes thick mud and fine rock dust off the shaft surface, fully enclosed nickel-zinc alloy plated metal frames block coarse particles, and inner auxiliary rubber layers isolate suspended high-temperature hydraulic oil mist to protect internal precision motor components.

Q: How well can this full sealing kit block mud, gravel dust and hot gear oil mist on muddy outdoor road job sites?
A: The multi-layer flexible rubber lip scrapes thick mud off the shaft surface, the fully enclosed plated metal shell blocks coarse dust particles, and inner auxiliary rubber layers isolate high-temperature oil mist to protect internal precision gears.

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