07011-00105 0701100105 OIL SEAL , TB TYPE SEAL OF WA100M-3-CN WA100M-3

1. Quick Details of  seal 07011-00105:

2. 07011-00105 parts on group :

3. 07011-00105  picture:

4. Service part number :

5. FAQ

Q: Which Komatsu 7-generation medium-large wheel loader models fit this 07011-00105 rear drive axle shaft oil seal kit, and what complete set of sealing accessories are packed inside this dedicated rear axle maintenance pack?
A: This OEM standard oil seal kit numbered 07011-00105 is exclusively matched to Komatsu WA380-7 and WA430-7 wheel loaders, specially installed on the rear drive axle output rotary shaft of the four-wheel drive transmission assembly. This rear axle shaft maintains continuous medium-high speed rotation during aggregate stock stacking, bulk sand transportation and urban construction waste loading operations, enduring long-duration heavy torque load and frequent bump impact from rugged quarry and construction yard ground. This integrated oil seal kit covers all sealing parts required for one full rear drive axle disassembly overhaul, which can completely block gear oil leakage at the shaft penetration gap and prevent construction mud, gravel and dust from invading the internal axle gear chamber to protect gears and bearings. The kit contains ACM steel skeleton integrated main oil seals, alloy steel tension garter springs and multi-size HNBR static O-rings for rear axle housing split flanges. All spare parts are pre-classified and sealed in independent labeled transparent plastic pouches divided into rotary shaft seal group and flange static seal group, effectively shortening wheel loader maintenance downtime at sand quarry repair stations, municipal construction material transfer yards and rural road building equipment service points.

Q: What unique multi-material composite performance strengths does this three-component oil seal combination bring to Komatsu WA380-7/WA430-7 rear drive axles compared with low-cost single NBR oil seal kits sold in aftermarket stores?
A: The rear drive axle rotary shaft of Komatsu WA7 series wheel loaders operates under long-lasting continuous medium-high speed rotary friction and irregular rough ground bump impact pressure every construction shift, enduring long-term immersion in high-viscosity transmission gear oil mixed with fine stone dust and tiny metal gear 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 rubber main sealing lip has far superior high-temperature gear oil swelling resistance and long-term rotary fatigue resistance than 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. Galvanized cold rolled steel outer shell provides stable circular rigid support for the sealing lip, effectively avoiding the oil seal from deforming and falling off the mounting groove under huge rear axle drive torque impact, and the galvanized coating effectively prevents rust corrosion caused by mud and leaked gear oil. High-tensile alloy steel 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 rear axle housing split flange surface. This layered multi-material matched protection system extends the overall service cycle of this rear drive axle oil seal kit by more than 85% compared with traditional low-cost single-material NBR oil seal kits.

Q: How can field wheel loader maintenance technicians quickly distinguish each different sealing component through exclusive color and structural shape features inside this 07011-00105 rear drive axle oil seal kit?
A: Integrated ACM steel skeleton main oil seals are dark brown circular integral parts, wrapped with obvious silver 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 alloy steel tension garter spring is pre-installed on the inner circumference, and the middle cavity stores pre-filled anti-wear lubricating grease. Independent alloy steel 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 rear drive axle housing flanges. Every single component is printed with dimension identification marks matching Komatsu WA380-7/WA430-7 rear drive axle shaft parameters, greatly speeding up sorting and accurate matching during on-site wheel loader rear drive axle overhaul work.

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