07011-10080 0701110080 SEAL (KIT) OF D85A-12 D155C-1

1. Quick Details of  seal 07011-10080:

2. 07011-10080  parts on group :

3. 07011-10080  picture:

4. Service part number :

5. FAQ

Q: Which large heavy-duty motor grader model is this oil seal kit 07011-10080 specially customized for, and what multi-stage closed composite sealing protection can this main drive axle full repair kit bring to the entire axle hub high-speed rotating assembly?
A: This genuine OEM standard oil seal kit marked 07011-10080 is exclusively tailored for Komatsu GD825-6 large heavy-duty highway motor graders, specially designated for full disassembly and comprehensive overhaul of the main drive axle hub sealing assembly. The main drive axle hub bears long-term heavy alternating torsion load and continuous medium-high speed rotary friction during national expressway pavement finishing, high-grade airport runway foundation trimming and large municipal flood control dike backfilling heavy-duty construction operations. It suffers long-term immersion corrosion of high-viscosity heavy-duty transmission gear oil, frequent splashing of mixed asphalt debris, sharp crushed stone and acid rainwater, plus extreme seasonal temperature fluctuations between northern alpine freezing winter road construction yards and non-stop full-load high-temperature continuous operation in summer. This all-in-one integrated oil seal overhaul kit contains one core multi-lip multi-stage dust-proof rotary shaft oil seal, multiple size-matched flat modified HNBR sealing gaskets, multi-spec isolation dust-proof O-rings and dual-fiber reinforced PA66 anti-extrusion backup rings, constructing a multi-layer closed composite sealing barrier on the main drive axle rotating shaft. It can thoroughly block internal heavy gear oil outward seepage and leakage, fully prevent external sediment, asphalt residue, gravel and corrosive sewage from invading the bearing and reduction gear inner cavity, effectively eliminate premature bearing ablation, gear tooth surface pitting corrosion wear and sudden dry grinding axle locking failure, and sustain stable constant lubrication pressure inside the main drive axle system for long-term uninterrupted heavy road construction operation. All internal sealing accessories adopt exclusive oversized heavy-duty customized dimension parameters precisely matched with GD825-6 main drive axle hub special structure, cannot be interchanged or mixed matched with seal kits of medium graders or wheel loaders, suitable for one-stop full axle disassembly maintenance at large integrated highway machinery repair factories and professional large heavy-duty motor grader dedicated after-sales service stations, completely eliminate repeated construction equipment shutdown economic losses caused by scattered single sealing parts separate purchasing and mismatching assembly.

Q: What exclusive hybrid multi-fiber composite sealing performance advantages does this NBR+modified HNBR+dual fiber PA66 complete oil seal kit hold compared with single aftermarket oil seals or incomplete mixed all-rubber seal kits used for GD825-6 motor grader main drive axles?
A: The main drive axle rotary shaft of GD825-6 large heavy-duty motor graders runs continuously at medium-high rotating speed for tens of thousands of hours each month, long-term fully soaked in high-viscosity heavy-duty transmission gear oil, and frequently impacted by mixed asphalt residue and sharp hard crushed stone particles from open-air harsh highway construction sites. The core main oil seal of this kit adopts aramid-carbon hybrid fiber filled reinforced NBR nitrile rubber, which possesses far superior oil swelling resistance, long-term medium-high speed rotary friction wear resistance and compression permanent deformation recovery performance compared with low-cost ordinary recycled NBR rubber; the double-layer hot-dip galvanized thick carbon steel outer skeleton will never rust, expand or deform under long-term humid muddy and asphalt polluted road construction environment, and the built-in SUS304 stainless steel spiral constant force spring can maintain stable lip pre-tightening elastic force for more than 8500 continuous working hours without elastic relaxation fatigue. The matched auxiliary flat sealing gaskets and multi-size dust-proof O-rings adopt ultra-low temperature modified HNBR material, which can retain soft stable sealing elasticity without hardening and brittle cracking at -41℃ northern alpine winter road construction environment, while ordinary single replacement oil seal only provides single-layer simple oil blocking function without supporting multi-stage dust-proof gap filling auxiliary accessories. The added dual glass-carbon fiber reinforced PA66 anti-extrusion backup rings can effectively prevent the soft rubber sealing lip from being squeezed into tiny shaft and groove micro gaps under instantaneous peak hydraulic pressure impact, a critical core functional design completely absent in cheap single-piece aftermarket oil seals. Compared with split scattered separate loose sealing parts, this integrated complete matching kit realizes one-time full axle overhaul without separately matching various specifications of gaskets and auxiliary seals, drastically cutting on-site maintenance labor working hours; compared with all-rubber seal kits without thick double-layer metal skeleton and rigid anti-extrusion backup rings, it will not produce permanent lip distortion and early rapid seal failure under long-term heavy rotary extrusion load. This fully matched multi-component integrated kit extends the overall main drive axle full set sealing service life by more than 93% compared with single replacement oil seals, and greatly reduces repeated maintenance labor costs and spare parts repeated procurement comprehensive total expenses for large highway infrastructure and municipal flood control construction project fleet operators.

Q: How can on-site professional large heavy-duty motor grader maintenance technicians rapidly distinguish each independent matching component inside this 07011-10080 oil seal kit through exclusive color difference, surface texture and structural shape characteristic differences, and accurately separate genuine complete kits from inferior imitation incomplete defective kits?
A: The core main multi-lip multi-stage dust-proof oil seal inside the kit is uniform deep black matte aramid-carbon hybrid fiber reinforced NBR rubber lip with fine dense uniform fiber matte grain texture on the surface, the outer skeleton is even silvery double-layer hot-dip galvanized thick steel with smooth uniform anti-rust coating without rust spots, oxidation burrs or thin easily deformed areas, and the built-in tension spring is bright silvery SUS304 stainless steel spiral spring with consistent uniform coil spacing without broken wire or loose winding deformation. The matched flat sealing gaskets and multi-size dust-proof O-rings are dark semi-matte soft modified HNBR rubber with obvious soft elastic touch, totally different from the hard brittle recycled waste rubber of inferior imitation auxiliary accessories; the auxiliary anti-extrusion backup rings are pale ivory white rigid dual fiber reinforced PA66 nylon hard rings with smooth compact dense plastic texture without internal air bubbles or impurity particles. The main oil seal adopts multi-lip multi-stage dust-proof rotary shaft sealing integrated thick double-layer heavy metal skeleton structure, which is the most intuitive core feature to distinguish it from triple-lip, double-lip and single-lip oil seals applicable to medium grader and wheel loader axle models; this genuine complete kit is equipped with 8 different specifications of flat sealing gaskets, 7 sizes of dust-proof isolation O-rings and 6 thicknesses of dual fiber nylon anti-extrusion backup rings, this full complete matching combination is the exclusive standard configuration only for genuine 07011-10080 overhaul repair kit. Every main oil seal outer skeleton surface is etched with miniature micro laser engraved clear complete part number 07011-10080 and accurate full size dimension parameters, while inferior imitation oil seals have blurry, incomplete or fully missing laser marking codes, ultra-thin single-layer easily bent iron skeleton, rough uneven rubber surface with air bubbles and impurity particles, and incomplete missing supporting gasket and backup ring auxiliary accessories. The whole kit is attached with a detailed classified component specification list, supporting one-to-one rapid classification sorting and accurate size matching during full main drive axle disassembly overhaul maintenance work.

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