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Final Drive Motor WTM-22C

◎ Brief introduction WTM-22C Final Drive is consisted of a high efficiency double speed Swash-plate Piston Motor integrated with high strength planetary gearbox reducer. It is widely used for track driving Excavators, Drilling Rigs, Mining Equipment and other Crawler Equipment.
Model Max Working Pressure Max. Output Torque Max. Output Speed Speed Oil Port Application
WTM-22C 30 MPa 20500 N.m 59 rpm 2-speed 4 ports 12-16 Ton
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

47/80 cc/r

Working pressure

30 Mpa

Speed control pressure

2~7 Mpa

Ratio options


Max. torque of Gearbox

20500 N.m

Max. speed of Gearbox

59 rpm

Machine application

12~16 Ton

◎ Connection

Frame connection diameter


Frame flange bolt


Frame flange P.C.D.


Sprocket connection diameter


Sprocket flange bolt


Sprocket flange P.C.D.


Flange distance


Approximate weigth


Summary: WTM-22C Travel Motors are interchangeable with Doosan TM22, Kayaba MAG-85VP-1800, Nabtesco GM21VA and other similar size machines. It is suitable for most of the hydraulic Excavators in the market. Such as Airman, Atlas Copco, Bobcat, Case, Caterpillar, Daewoo/Doosan, Gehl, Hitachi, Hyundai, IHI, JCB, John Deere, Kobelco, Komatsu, Kubota, Liebherr, LiuGong, Lonking, Lovol, Mitsubishi, Nachi, New Holland, Nissan, Pel Job, Rexroth, Samsung, Sany, Sandvik, Schaeff, SDLG, Sumitomo, Sunward, Takeuchi, Terex, Wacker Neuson, Wirtgen, Volvo, XCMG, XGMA, Yanmar, Yuchai, Zoomlion an d other main brand Excavators.