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GFT9T2 Track Drive Motor

◎ Brief introduction WTM-09 Final Drive is consisted of Swash-plate Piston Motor integrated with high strength planetary gearbox. It is widely used for track driving hydraulic Excavators, Drilling Rigs, Mining Equipment and other Crawler Equipment.
Model Max Working Pressure Max. Output Torque Max. Output Speed Speed Oil Port Application
WTM-09 30 MPa 11500 N.m 51 rpm 2-speed 4 ports 7-9 Ton
◎ Video Display: Key Features: Swash-plate Axial Piston Motor with high efficiency. Double speed Motor with large ration for widely usage. Build-in parking brake for safety. Extremely compact volume and light weight. Reliable quality and high durability. Travel smoothly with very low noisy. Optional Free-wheel device. Automatic speed changing function is optional.

◎ Specifications

Motor Displacement

34/53 cc/r

Working pressure

30 Mpa

Speed control pressure

2~7 Mpa

Ratio options


Max. torque of Gearbox

10500 N.m

Max. speed of Gearbox

51 rpm

Machine application

7~9 Ton

◎ Connection

Frame connection diameter


Frame flange bolt

12-M16 (14-M16)

Frame flange P.C.D.


Sprocket connection diameter


Sprocket flange bolt

12-M14 (14-M14)

Sprocket flange P.C.D.


Flange distance


Approximate weigth

95kg (210lbs)

Summary: WTM-09 series are suitable for almost every popular 79 Ton Hydraulic Excavators.  Such as Komatsu PC60-5/6/7/8, PC80/5/6/7/8;Kato 250, 307; Caterpillar CAT 70B, 307, 308; Doosan DH80; Hyundai R80; Sany SY95C-9, SY75C-9; SDLG LG685, LG690E, Sumitomo 60, Kobelco SK60, SK70;  Volvo ECR88; IHI 60; Kubota KX080-3; Takeuchi TB070, TB180FR; Yammar B7 and other same size excavators.