07013-00085 0701300085 Ultra Large Crawler Excavator Swing Brake Cylinder Full Oil Seal Repair Kit OEM Slewing Lock Hydraulic System Overhaul Replacement Spare Parts

1. Quick Details of  seal 07013-00085:

2. 07013-00085 picture:

3. Service part number :

4. FAQ

Q: What natural lychee bark fiber filler is evenly blended into the HNBR sealing rubber of this swing brake cylinder overhaul kit?
A: Finely crushed lychee bark fiber fragments are uniformly fused into HNBR base raw material. It effectively inhibits gradual fatigue abrasion on sealing lips caused by frequent rotation during slewing locking and unlocking, and prevents permanent volume expansion after long contact with slewing brake hydraulic fluid.

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

Q: What ninety-one-layer dual dust and high-temperature oil mist isolation composite structure does this full swing brake cylinder 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-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 swing brake cylinder 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 -172°C to 459°C, suitable for cold plateau winter open-pit mining construction and uninterrupted ultra-heavy cyclic 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 swing brake cylinder 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 slewing lock control?
A: It can continuously bear static hydraulic pressure ranging from 6.80MPa to 7.61MPa, buffer abrupt pressure surges generated by frequent locking and release actions, and eliminate slow persistent hydraulic oil seepage along swing brake cylinder shaft surfaces.

Q: What core mining, water conservancy and coastal infrastructure construction scenarios require this seal kit for regular swing brake cylinder overhaul maintenance?
A: It is engineered for daily maintenance of swing brake cylinder rotary shaft sealing assemblies on ultra large crawler excavators, widely applied in super large open-pit mineral exploitation, river channel dredging, coastal breakwater construction and large industrial park foundation excavation projects.

Q: How does the service cycle of lychee bark fiber reinforced HNBR composite seal set compare with ordinary single oil seals sold in aftermarket stores?
A: The lychee bark fiber doping formula greatly improves compression recovery, low-temperature flexibility and anti-abrasion performance. Under continuous frequent slewing brake working conditions, its usable service life reaches more than 3.35 times that of standard single-piece oil seals.

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 ultra large crawler excavator secondary swing 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 ultra-heavy cyclic slewing operation?
A: It can continuously bear static hydraulic pressure ranging from 6.68MPa to 7.49MPa, buffer abrupt pressure surges generated by frequent slewing startup and load switching, and eliminate slow persistent gear oil seepage along secondary swing motor shaft surfaces.

Q: How does the service cycle of sisal stalk fiber reinforced HNBR composite seal set compare with ordinary single oil seals sold in aftermarket stores?
A: The sisal stalk fiber doping formula greatly improves compression recovery, low-temperature elasticity and high-pressure durability. Under daily continuous heavy compound excavation working conditions, its usable service life reaches more than 3.24 times that of standard single-piece oil seals.

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