07011-00110 0701100110 ACM Steel Hub Oil Seal Kit for Komatsu WA7 Series Wheel Loader Front Drive Axle Overhaul & Maintenance

1. Quick Details of  seal 07011-00110:

2. 07011-00110 picture:

3. Service part number :

4. FAQ

Q: Which Komatsu seventh generation heavy wheel loader models match this 07011-00110 front axle hub oil seal kit, and what complete set of sealing components are contained in this dedicated axle hub repair pack?
A: This OEM standard oil seal kit 07011-00110 is tailor-made for Komatsu WA400-7 and WA470-7 heavy wheel loaders, exclusively fitted to the rotating shaft of the front drive axle hub assembly of the four-wheel drive transmission system. The front hub shaft runs at continuous medium-high rotating speed during bulk gravel stock stacking, sand yard loading and large-scale construction waste transfer tasks, enduring long-term heavy drive torque and frequent bump impact from rough quarry and construction site ground. This integrated all-in-one seal kit contains all sealing parts required for a full front axle hub disassembly overhaul, which can thoroughly block gear lubricant leakage at the shaft penetration gap and prevent construction mud, sharp gravel and floating dust from invading the internal hub bearing cavity to protect bearings and differential gears. The kit includes ACM steel skeleton integrated main hub oil seals, chrome alloy tension garter springs and multi-spec HNBR static O-rings for axle housing split flanges. All spare parts are pre-classified and sealed in independent labeled transparent plastic pouches separated into rotary hub seal group and flange static seal group, effectively cutting heavy wheel loader downtime at quarry central maintenance workshops, municipal construction material transfer yards and rural highway building equipment service stations.

Q: What unique multi-material composite sealing advantages does this three-component oil seal assembly bring to Komatsu WA400-7/WA470-7 front axle hubs compared with low-cost single NBR oil seal kits sold in aftermarket stores?
A: The front drive axle hub rotary shaft of Komatsu WA7 series heavy wheel loaders operates under long-duration continuous medium-high speed rotary friction and irregular rough ground bump impact pressure every construction shift, enduring long-term soaking in high-viscosity transmission gear oil mixed with fine rock dust and tiny metal bearing wear debris, plus year-round outdoor exposure to muddy slurry splashes, winter frost and wind-blown construction grit in all seasonal loading environments. ACM acrylic elastomer main sealing lip has far superior high-temperature gear oil swelling resistance and long-term rotary fatigue resistance compared with ordinary single NBR oil seals; it will not expand, soften or lose tight shaft clinging force after thousands of heavy-load rotation cycles under long-hour high-temperature gear oil soaking during summer quarry operation. Hot-dip galvanized 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 front axle drive torque impact, and the galvanized coating completely avoids rust corrosion caused by mud and trace leaked gear oil. High-tensile chrome alloy garter spring continuously tightens the sealing lip to fit the shaft surface, automatically compensating tiny lip abrasion generated by long-time rotation and extending the service cycle of the sealing lip. HNBR flange static O-rings maintain stable soft elasticity under low-temperature freezing construction environments, eliminating hidden slow oil seepage at the front axle housing split flange surface. This layered multi-material matched protection system extends the overall service cycle of this front axle hub oil seal kit by more than 86% compared with traditional low-cost single-material NBR oil seal kits.

Q: How can field wheel loader maintenance technicians rapidly distinguish each different sealing component through exclusive color and structural shape features inside this 07011-00110 front axle hub oil seal kit?
A: Integrated ACM steel skeleton main hub oil seals are dark brown circular integral parts, wrapped with obvious silver hot-dip galvanized metal steel skeleton on the outer ring, adopting an asymmetrical single-lip internal layout: the inner lip is high-pressure gear oil sealing lip, a circular chrome alloy tension garter spring is pre-installed on the inner circumference, and the middle cavity stores pre-filled anti-wear lithium-based lubricating grease. Independent chrome alloy tension garter springs are bright silver thin circular coil springs, which can be clearly distinguished from the large integrated steel skeleton oil seal with rubber inner surface. Multi-size HNBR static flange O-rings are matte black elastic circular rings with multiple inner diameter specifications to match different circular sealing grooves of front drive axle housing flanges. Every single component is printed with dimension identification marks matching Komatsu WA400-7/WA470-7 front axle hub shaft parameters, greatly speeding up sorting and accurate matching during on-site wheel loader front axle hub overhaul work.

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