Drive shaft assembly-176-76-61320

Core Features

Torque Transmission: Transmits power from the final drive planetary gear set to the drive hub, driving the tracks.

Positioning and Support: Radial positioning via bearings at both ends withstands radial loads and axial movement, ensuring transmission accuracy.

Sealing and Protection: Integrated oil seals prevent gear oil leakage and block the intrusion of dirt and moisture, protecting the internal bearings and gears.

Impact Damping: Adapts to the impacts and vibrations of bulldozer operation, reducing fatigue damage to the transmission system.

Maintenance Adaptability: Modular design allows for complete disassembly and replacement, reducing final drive maintenance time.

Product Superiority

Original factory precision fit: Shaft diameter, keyway, bearing position, and final drive housing/hub are perfectly matched, allowing for direct replacement without repair.

High strength and fatigue resistance: The SCM440 spindle undergoes tempering and surface hardening, achieving a tensile strength ≥900 MPa and a fatigue life ≥8000 hours.

Dual bearing stable support: A combination of self-aligning roller bearings and tapered roller bearings ensures radial runout ≤0.02 mm and axial runout ≤0.1 mm, guaranteeing smooth transmission.

Integrated and reliable sealing: Double oil seals and a dust lip adapt to dusty/muddy conditions, with an oil leakage rate <0.1%.

Efficient assembly and maintenance: Pre-assembled bearings, oil seals, etc., require only 2-3 hours for on-site installation, saving 50% of the time compared to assembling individual parts.

Installation and Maintenance Points

Before installation, clean the journal and bearing housing, check for bearing damage and oil seal deformation, and apply grease.

Use a special tool to press-fit the bearing, avoiding impact; apply gear oil to the spline to ensure smooth meshing.

Tighten the end cap bolts to the original torque to prevent housing deformation; after installation, check for axial and radial runout.

Check the oil level and seal condition every 1000 hours; replace the assembly immediately if any abnormalities are found.

Avoid heavy-load starts and frequent sudden stops to reduce shaft impact and extend service life.

Fit scenarios and value

Suitable for: Heavy-duty operations such as mine stripping, large-scale earthmoving, and wetland operations.

Core value: Reduces the risk of final drive failure, minimizes downtime, and improves overall machine efficiency and reliability.