07011-10140 0701110140 Complete Steering Pump Oil Seal Kit OEM Replacement Spare Parts for WA800-9 Mining Wheel Loader Steering Hydraulic Pump Full Overhaul

1. Quick Details of  seal 07011-10140:

2. 07011-10140  picture:

3. Service part number :

4. FAQ

Q: Which large open-pit mining wheel loader model is this oil seal kit 07011-10140 exclusively customized for, and what multi-layer anti-pressure and anti-vibration integrated sealing protection can this steering pump full overhaul kit deliver to the high-frequency forward-reverse rotary input shaft assembly of the steering hydraulic pump?
A: This genuine OEM standard oil seal kit marked 07011-10140 is tailor-made exclusively for Komatsu WA800-9 large open-pit mining wheel loaders, specially designed for full disassembly and comprehensive overhaul of steering pump input shaft sealing assembly. The steering pump input shaft bears continuous medium-speed high-frequency reciprocating rotary friction and persistent engine vibration load all day long during open-pit ore bulk loading, port mineral stockpile transfer and mine waste yard stacking mining operations. Its working environment is continuously eroded by high-pressure steering hydraulic oil, mixed mine silt, sharp broken rock particles and rainwater containing mineral alkali; in high-altitude northern mining zones, the equipment suffers severe freezing temperatures in winter and long-term high-temperature heat accumulation inside the pump housing in summer. This all-in-one integrated full oil seal overhaul kit contains one core multi-lip anti-vibration pump rotary shaft oil seal, multiple size-matched flat modified HNBR sealing gaskets, multi-spec isolation dust-proof O-rings and hybrid fiber reinforced PA66 anti-extrusion backup rings, constructing a multi-stage closed composite high-pressure sealing barrier on the steering pump high-load rotary shaft. It can thoroughly block internal high-pressure steering hydraulic oil from leaking outward along the shaft gap, fully prevent external sediment, mud, sharp gravel and alkaline mine wastewater from invading the pump bearing and gear inner cavity, effectively eliminate premature bearing ablation, gear tooth surface pitting corrosion wear and sudden steering pump stall failure, and maintain stable constant hydraulic pressure inside the steering pump system for long-term uninterrupted heavy-load mining operation. All internal sealing accessories adopt exclusive heavy-duty customized dimensional parameters precisely matched with WA800-9 steering pump unique internal structure, cannot be interchanged or mixed matched with seal kits of medium wheel loaders or mining excavators, suitable for one-stop full steering pump disassembly maintenance at large integrated open-pit mining machinery repair factories and professional large mining wheel loader dedicated after-sales service stations, completely eliminate repeated production equipment shutdown huge economic losses caused by scattered single sealing parts separate purchasing and mismatching assembly.

Q: How can on-site professional large mining wheel loader maintenance technicians rapidly distinguish each independent matching component inside this 07011-10140 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 anti-vibration steering pump oil seal inside the genuine 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 hybrid 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 steering pump rotary shaft sealing integrated thick double-layer heavy metal skeleton structure, which is the most intuitive core feature to distinguish it from quadruple-lip, triple-lip, double-lip and single-lip oil seals applicable to medium wheel loader and excavator hydraulic pump components; this genuine complete kit is equipped with 18 different specifications of flat sealing gaskets, 17 sizes of dust-proof isolation O-rings and 16 thicknesses of hybrid fiber nylon anti-extrusion backup rings, this full complete matching combination is the exclusive standard configuration only for genuine 07011-10140 overhaul repair kit. Every main oil seal outer skeleton surface is etched with miniature micro laser engraved clear complete part number 07011-10140 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 steering pump disassembly overhaul maintenance work.

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