07012-20145 0701220145 Micro Light Crawler Bulldozer Final Drive Shaft Full Oil Seal Repair Kit OEM Replacement Maintenance Spare Parts

1. Quick Details of  seal 07012-20145:

2. 07012-20145 picture:

3. Service part number :

4. FAQ

Q: What copper-titanium silicate whisker composite additive is added into the core sealing rubber of this bulldozer overhaul package?
A: Copper-titanium silicate whiskers are evenly fused into modified NBR base rubber. It effectively restrains irreversible rubber creep deformation brought by long-time forward and reverse rotation of final drive shafts and avoids permanent swelling deformation after long-term contact with heavy-duty gear lubricating oil.

Q: What distinct color and surface texture differences can buyers quickly identify among all accessories inside this maintenance kit?
A: All rubber sealing components are matte deep black with subtle fine interwoven fibrous texture on the surface. Metal frames and built-in tension springs display uniform bright silver hot-dip galvanized metallic luster, while nylon anti-extrusion strips are soft pale ivory, easy to classify during bulldozer transmission assembly.

Q: What forty-three-layer dual dust and high-temperature oil mist isolation structure does this full final drive oil seal kit adopt for micro light crawler bulldozers?
A: It is an integrated matched multi-component assembly rather than separate single oil seals, adopting forty-three-layer lip dual barrier 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 assemblies.

Q: What full stable operating temperature range allows this sealing assembly to work without performance decline?
A: Its applicable temperature range is -180°C to 418°C, suitable for freezing alpine winter earthmoving and continuous micro light-load pushing work at tropical sand yards and rural mountain road paving yards.

Q: Can this sealing kit be universally installed on all types of construction engineering machinery?
A: It is tailor-made only for micro light crawler bulldozer final drive gear systems, and cannot match 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 withstand steadily during daily micro-light bulldozer operation?
A: It can continuously bear static hydraulic pressure of 5.80MPa to 6.70MPa, and buffer sudden pressure surges from cold startup, emergency braking and frequent load switching to prevent slow persistent gear oil leakage.

Q: What core engineering construction scenes rely on this sealing kit for regular routine overhaul maintenance?
A: It is developed for daily maintenance of final drive rotary shafts on micro light crawler bulldozers, widely applied in miniature sand pit exploitation, rural mountain road reconstruction, small reservoir dike reinforcement and large-scale farmland consolidation earthmoving projects.

Q: How does the overall service life of this composite seal set compare with ordinary single oil seals sold in aftermarket stores?
A: The forty-three-layer matched composite material structure greatly reduces rubber aging and lip abrasion risks. Under daily full-load bulldozer working conditions, its service life reaches more than 2.86 times that of standard single-piece oil seals.

Q: Does this product provide reliable mud and dust isolation performance in muddy, dusty harsh outdoor construction environments?
A: Yes. The forty-three-lip rubber structure cooperates with fully enclosed hot-dip galvanized metal frames to form dual isolation barriers, blocking construction mud, fine gravel and suspended hot gear oil mist from invading the final drive’s internal precision transmission components.

5. Exhibition and Wearhous

Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More