07012-20065 0701220065 Light Crawler Bulldozer Final Drive Shaft Full Oil Seal Repair Kit OEM Replacement Maintenance Spare Parts

1. Quick Details of  seal 07012-20065:

2. 07012-20065 picture:

3. Service part number :

4. FAQ

Q: What compound mineral whisker filler is added to the core sealing rubber of this bulldozer maintenance seal package?
A: Manganese-aluminum silicate whiskers are uniformly fused into modified NBR base rubber. It effectively restrains permanent rubber creep deformation caused by long-term forward and reverse rotation of final drive shafts and prevents swelling deformation after long-term contact with heavy-duty gear lubricating medium.

Q: What distinct color and surface texture features can buyers easily distinguish among all internal accessories inside this overhaul kit?
A: All rubber sealing components are matte dark charcoal black with ultra-fine interwoven fibrous texture on the surface. Metal frames and built-in tension springs present uniform silver electro-galvanized metallic luster, while nylon anti-extrusion strips are soft pale cream, convenient for sorting during bulldozer transmission assembly work.

Q: What innovative multi-layer dual isolation structural design does this full final drive oil seal kit adopt for light crawler bulldozers?
A: It is a complete matched multi-component assembly rather than separate single oil seals, adopting twenty-five-layer lip dual dust and high-temperature oil mist blocking design, fully equipped with matched flat gaskets, multi-size O-rings and rigid pressure-resistant support rings covering all rotary shaft sealing positions of bulldozer final drive gear systems.

Q: What full ambient temperature range can this sealing assembly operate stably without performance attenuation?
A: Its stable working temperature range covers -162°C to 382°C, adapting to freezing highland winter earthmoving construction and uninterrupted light-load pushing operation at tropical sand yards and rural mountain road leveling yards.

Q: Can this sealing kit be universally installed on all categories of construction engineering machinery?
A: It is custom-made exclusively for light crawler bulldozer final drive assemblies only, and cannot be matched with heavy wheel loaders, large mining excavators or medium road graders of other equipment series.

Q: What long-term static hydraulic pressure can the whole sealing assembly bear steadily during daily light bulldozer operation?
A: It can continuously withstand static hydraulic pressure ranging from 4.90MPa to 6.60MPa, and buffer instantaneous pressure surges triggered by cold startup, emergency braking and frequent load conversion to avoid slow persistent gear oil leakage.

Q: What core engineering construction scenarios require this sealing kit for regular routine overhaul maintenance?
A: It is engineered for daily maintenance of final drive rotary shafts on light crawler bulldozers, widely applied in small sand pit mining, rural mountain road upgrading, small reservoir embankment reinforcement and large-scale farmland consolidation earthmoving projects.

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