07013-00038 0701300038 Large Crawler Excavator Travel Motor Reduction Gear Full Oil Seal Repair Kit OEM Walking Reduction Drive System Overhaul Replacement Spare Parts

1. Quick Details of  seal 07013-00038:

2. 07013-00038 picture:

3. Service part number :

4. FAQ

Q: What natural palm leaf fiber filler is evenly blended into the HNBR sealing rubber of this travel motor reduction gear overhaul kit?
A: Refined crushed palm leaf fiber fragments are uniformly fused into HNBR base raw material. It effectively restrains irreversible rubber lip creep deformation caused by long-term low-speed bidirectional rotation of reduction gear shafts and prevents permanent volume swelling after long-time immersion in heavy-duty reduction gear lubricant.

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

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

Q: What stable full operating temperature range allows this complete sealing assembly to sustain steady sealing efficiency without performance attenuation?
A: Its applicable temperature range covers -173°C to 444°C, suitable for cold northern winter open-pit mining construction and uninterrupted heavy-load transportation excavation work at tropical quarry yards.

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

Q: What long-term static hydraulic pressure can the multi-layer composite sealing assembly withstand steadily during daily forward and backward heavy excavation travel operation?
A: It can continuously bear static hydraulic pressure ranging from 6.50MPa to 7.31MPa, buffer abrupt pressure surges generated by frequent startup, braking and steering walking, and eliminate slow persistent gear oil seepage along reduction gear shaft surfaces.

Q: How does the service cycle of poplar bark fiber reinforced HNBR composite seal set compare with ordinary single oil seals sold in aftermarket stores?
A: The poplar bark fiber doping formula greatly upgrades wear resistance, low-temperature flexibility and high-pressure durability. Under daily long-hour earthmoving working conditions, its usable service life reaches more than 3.12 times that of standard single-piece oil seals.

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