SY500 SY505 SY500H SY550 Gearbox de viaje 60307494 GM95VA GM85VA GM95 GM85 Motor de viaje Final Drive para Sany

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Direct replacement final drive travel gearbox and hydraulic motor assembly manufactured to exact factory specifications for Sany part numbers 60307494 and 60307469 engineered with precise drive sprocket bolt circles and chassis mounting flange dimensions for seamless drop in installation on Sany SY500 SY505 SY500H and SY550 excavators

Equipped with high torque 3 stage planetary reduction gearing and heavy duty sun gears precision carburized and heat treated to resist severe shock loads delivering massive crawler tractive effort for 50 ton mining excavation on steep quarry slopes

Integrated with heavy duty swash plate axial piston motor supporting smooth automatic dual speed shifting high startup torque and smooth braking deceleration to ensure continuous reliable travel across rough terrain without motor overheating

Fitted with heavy duty forged alloy floating duo cone face seals providing 100 percent hermetic sealing against abrasive quarry mud slurry fine rock dust and water ingress preventing internal gear oil contamination and premature bearing failure

Every final drive assembly undergoes 100 percent dynamic test bench load verification checking low and high speed rotational torque gear case pressure holding brake release timing and external fluid leakage guaranteeing instant job site readiness

Hydraulic ports sealed with threaded steel blanking plugs unit filled with anti rust protective fluid enclosed in heavy multi layer VCI moisture proof barrier film and bolted securely inside reinforced steel framed fumigation free export wooden crates