Integrated Hydrostatic Transaxles (IHT)
Manufacturer ID: K57
If your application is a little more heavy duty, or calls for secondary hydraulic support, the K57 may be just what you’re looking for. This powerful unit has many different configurations that have been developed to handle the demands of many different kinds of riding mowers and larger lawn tractors. The K57 is truly a “Swiss Army Knife” of transaxles. This has made this powerful product one of the first solutions to many OEM’s complicated and innovative new product applications.
Patented L.O.G.I.C. case design for easy installation, reliability and serviceability.
Internal wet disk brake system.
Reversible output/control lever operating logic for application optimization.
Smooth operation for either foot or hand control system.
|Application||Rear Engine Riding Mower
4WD Tractors and Mowers
|Axle Torque (Rated)||31.68:1 = 255 (188)
28.04:1 = 235.4 (174)
21.53:1 = 180.7 (133)
|Max. Tire Diameter||31.68:1 = 559 (22)
28.04:1 = 508 (20)
21.53:1 = 457 (18)
|Brake Capacity||31.68:1 = 372 (275)
28.04:1 = 330 (243)
21.53:1 = 253 (187)
|Nm (lb-ft) *@350 N (79 lb) Brake arm force|
|Max. Input Speed||3,400||rpm|
|Axle Shaft Size||19.05 (0.75)||mm (in)|
|Weight (dry)||12.5 (27.6)||kg (lb)|
|Brake Type||Internal Wet Disc|
|Housing (Case)||Die-Cast Aluminum|
|Gears||Heat-treated Powder Metal
Heat-treated Steel gears available as optional upgrade
|Differential||Automotive-type Bevel Gears|
|Speed Control System||Foot Control: Dampening system or external shock absorber available
Hand Control: External friction pack and lever available
|Bypass Valve (Roll Release)||Standard|
|Hydraulic fluid Type||Proprietary Tuff Torq Tuff Tech drive fluid recommended. (Contact OEM for other options)|