07013-00050 0701300050 SEAL,OIL OF D40PLF-1 D40F-3

1. Quick Details of  seal 07013-00050:

2. 07013-00050 parts on group :

3. 07013-00050 picture:

4. Service part number :

5. FAQ

Q: What natural bamboo stalk fiber filler is evenly blended into the HNBR sealing rubber of this fan drive motor overhaul kit?
A: Ultra-fine crushed bamboo stalk fiber fragments are uniformly fused into HNBR base raw material. It effectively inhibits progressive surface abrasion caused by long-term uninterrupted medium-speed rotation of fan motor shafts and prevents permanent rubber expansion after continuous contact with cooling drive hydraulic fluid.

Q: What obvious color and surface texture differences can buyers quickly distinguish among all internal sealing accessories inside this maintenance package?
A: Bamboo stalk fiber HNBR main oil seals are matte jet black with compact interwoven micro-fiber grain surface. Metal frames and built-in tension springs carry uniform silvery tin-aluminum anti-corrosion metallic luster, while wollastonite filled nylon anti-extrusion strips are soft pale ivory white, easy to sort during fan drive motor disassembly inspection.

Q: What eighty-one-layer dual dust and high-temperature oil mist isolation composite structure does this full fan drive motor oil seal kit adopt for super large crawler excavators?
A: It is an integrated full-spec matched component assembly instead of scattered single independent oil seals, adopting eighty-one-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 fan drive motor assemblies.

Q: What stable continuous working temperature range allows this complete sealing assembly to maintain reliable sealing efficiency without performance attenuation?
A: Its applicable temperature range covers -168°C to 449°C, suitable for cold plateau winter construction and long-hour continuous operation under high-temperature tropical open-pit mining environments.

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 super large crawler excavator fan drive 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 long-running cooling system operation?
A: It can continuously bear static hydraulic pressure ranging from 6.60MPa to 7.41MPa, buffer periodic pressure fluctuations generated by variable fan speed adjustment, and eliminate slow persistent hydraulic oil seepage along fan motor shaft surfaces.

Q: What core mining, infrastructure and port construction scenarios require this seal kit for regular fan drive motor overhaul maintenance?
A: It is engineered for daily maintenance of fan drive motor rotary shaft sealing assemblies on super large crawler excavators, widely applied in large open-pit mineral mining, port earthmoving, highway tunnel excavation and industrial park foundation construction projects.

Q: How does the service cycle of bamboo stalk fiber reinforced HNBR composite seal set compare with ordinary single oil seals sold in aftermarket stores?
A: The bamboo stalk fiber doping formula greatly improves compression recovery, thermal stability and abrasion resistance. Under long-hour continuous variable-speed working conditions, its usable service life reaches more than 3.25 times that of standard single-piece oil seals.

Q: How does the service lifespan of ramie fiber reinforced HNBR seals compare with standard single oil seals sold in the market?
A: The ramie fiber composite formula greatly improves compression recovery and anti-abrasion ability. Under daily full-load road grading working conditions, its service life reaches 3.11 times that of ordinary single-piece oil seals.

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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