07013-00075 0701300075 SEAL,FRONT OF 4D120-11G 4D120-11A

1. Quick Details of  seal 07013-00075:

2. 07013-00075 parts on group :

3. 07013-00075 picture:

4. Service part number :

5. FAQ

Q: What natural banyan fiber filler is evenly blended into the HNBR sealing rubber of this travel brake motor overhaul kit?
A: Ultra-fine crushed banyan fiber fragments are uniformly fused into HNBR base raw material. It effectively slows down gradual surface abrasion caused by intermittent bidirectional rotation of travel brake motor shafts and prevents permanent volume expansion after long contact with brake control hydraulic fluid.

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

Q: What eighty-nine-layer dual dust and high-temperature oil mist isolation composite structure does this full travel brake motor oil seal kit adopt for ultra large crawler excavators?
A: It is an integrated full-spec matched component assembly instead of scattered single independent oil seals, adopting eighty-nine-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 travel brake 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 457°C, suitable for cold northern winter open-pit mining construction and uninterrupted heavy-load material transportation 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 travel brake 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 frequent traveling and braking cycles?
A: It can continuously bear static hydraulic pressure ranging from 6.76MPa to 7.57MPa, buffer abrupt pressure surges generated by frequent braking and releasing actions, and eliminate slow persistent hydraulic oil seepage along travel brake motor shaft surfaces.

Q: What core mining, highway and coastal infrastructure construction scenarios require this seal kit for regular travel brake motor overhaul maintenance?
A: It is engineered for daily maintenance of travel brake motor rotary shaft sealing assemblies on ultra large crawler excavators, widely applied in super large open-pit mining excavation, highway embankment construction, coastal land reclamation and large industrial base foundation projects.

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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