07011-00140 0701100140 FKM Alloy Steel Final Drive Oil Seal Kit for Komatsu WA8 Series Super Large Mining Wheel Loader Final Drive Overhaul Maintenance

1. Quick Details of  seal 07011-00140:

2. 07011-00140  picture:

3. Service part number :

4. FAQ

Q: Which Komatsu eighth-generation ultra-large mining wheel loader model is matched with this 07011-00140 final drive full oil seal kit, and what rotary and static sealing components are contained in this exclusive heavy-duty final drive maintenance pack?
A: This OEM standard oil seal kit numbered 07011-00140 is specially developed for Komatsu WA1200-8 ultra-large mining wheel loaders, installed on the rotating output shaft of the four-wheel drive final drive assembly. The final drive shaft bears continuous ultra-high torque load during open-pit mine massive ore stripping, ultra-heavy bulk aggregate long-distance transportation and large-scale construction waste centralized stacking work, enduring long-term violent bump impact from rugged hard rock mine roads and year-round exposure to harsh outdoor mining environments. This integrated all-in-one sealing kit contains all rotary oil seals, tension garter springs and multi-spec static O-rings required for a full final drive disassembly overhaul, which can thoroughly block heavy-duty transmission gear oil leakage at shaft penetration gaps and prevent mine mud, sharp hard ore fragments and floating mineral dust from invading the internal final drive gear and bearing cavity to protect core walking drive components. The kit includes FKM alloy steel skeleton integrated main final drive oil seals, polished stainless steel tension garter springs and multi-size EPDM static O-rings for final drive housing split flanges. All spare parts are pre-classified and sealed in independent labeled transparent plastic pouches separated into rotary shaft seal group and flange static sealing group, effectively cutting ultra-large mining wheel loader maintenance downtime at open-pit mine central repair workshops, large mineral aggregate transfer yards and heavy mining equipment exclusive service stations for large infrastructure construction projects.

Q: What unique multi-material composite sealing performance advantages does this three-component oil seal assembly bring to Komatsu WA1200-8 final drives compared with low-cost single NBR oil seal kits sold in aftermarket spare parts stores?
A: The final drive rotary shaft of Komatsu WA8 series ultra-large mining wheel loaders operates under long-lasting continuous medium-high speed rotary friction and irregular mine rock road bump alternating impact pressure every mining shift, enduring long-term soaking in high-viscosity heavy-duty transmission gear oil mixed with fine ore dust and tiny metal gear wear debris, plus year-round outdoor exposure to muddy mine slurry splashes, winter anti-freeze frost and wind-blown hard mineral grit in all seasonal mining loading environments. FKM fluororubber main dynamic sealing lip has far superior high-temperature gear oil swelling resistance and long-term heavy-load rotary fatigue resistance compared with ordinary single NBR oil seals; it will not expand, soften or lose tight shaft clinging force after millions of ultra-heavy-load rotation cycles under long-hour high-temperature gear oil soaking during summer open-pit mine continuous ore stripping operation. Aluminum-zinc alloy plated cold rolled steel outer shell provides stable circular rigid support for the sealing lip, effectively avoiding the oil seal from deforming and slipping out of the mounting groove under huge final drive torque impact, and the composite aluminum-zinc plating layer fully prevents rust corrosion caused by mine mud splashes and trace leaked gear oil, with far better salt spray anti-rust performance than single zinc plating or hot-dip galvanizing. High-tensile polished stainless steel alloy garter spring continuously tightens the sealing lip to closely fit the shaft surface, automatically compensating tiny lip abrasion generated by long-time continuous rotation and significantly extending the service cycle of the sealing lip. EPDM flange static O-rings maintain stable soft elasticity under low-temperature freezing mountain mine construction environments, eliminating hidden slow oil seepage leakage at the final drive housing split flange surface. This layered multi-material matched protection system extends the overall service cycle of this final drive oil seal kit by more than 92% compared with traditional low-cost single-material NBR oil seal kits.

Q: How can field professional heavy mining wheel loader maintenance technicians rapidly distinguish each different sealing component through exclusive color and structural shape characteristic differences inside this 07011-00140 final drive oil seal kit?
A: Integrated FKM steel skeleton main final drive oil seals are dark coffee brown circular integral parts, wrapped with obvious silvery aluminum-zinc alloy plated metal steel skeleton on the outer ring, adopting an asymmetrical double-lip internal layout: the inner main lip is high-pressure gear oil dynamic sealing lip, a circular polished stainless steel alloy tension garter spring is pre-installed on the inner circumference, and the middle hollow cavity stores pre-filled high-temperature anti-wear lithium-based lubricating grease specially adapted to ultra-heavy mining high-load working conditions. Independent polished stainless steel alloy tension garter springs are bright silver smooth thin circular coil springs, which can be clearly distinguished from the large integrated steel skeleton oil seal with fluororubber inner surface through surface smoothness, shape and volume difference. Multi-size EPDM static flange O-rings are light gray elastic circular rings with multiple inner diameter specifications to match different circular sealing grooves of final drive housing flanges, easy to tell apart from dark coffee brown FKM main oil seal lips by color tone difference. Every single component is printed with laser engraved dimension identification marks matching Komatsu WA1200-8 final drive shaft parameters, greatly accelerating rapid sorting and accurate matching during on-site ultra-large wheel loader final drive disassembly overhaul work.

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