A: It solves machine tracking deviation, complete loss of power on one side, and grinding noises coming from worn-out internal travel planetary gears.
A: Technicians must connect the high/low speed pilot lines correctly, verify casing drain hose routing, and fill the gearbox with new gear oil.
A: Confirm the undercarriage mounting frame dimensions and sprocket bolt pattern align with PC150-3 or PC150-5 factory configurations.
A: High-strength floating mechanical seals prevent abrasive muddy water and rock dust from entering the internal reduction gear chambers.
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.





















