K66

Application

Yard Tractor
 / Estate Tractor
 / Light-Duty Garden Tractor

Reduction Ratio

37.22:1
22.19:1

Axle Torque (Rated)

37.22:1 = 420 (310)
22.19:1 = 250 (185) Nm (lb-ft)

Max. Tire Diameter

37.22:1 = 584 (23)
22.19:1 = 457 (18) mm (in)

Brake Capacity

37.22:1 = 330 (243)
22.19:1 = 216 (159) Nm (lb-ft) @ 300 N (67.5 lb) Brake Arm Force

Displacement (Pump/Motor)

10/10 cc/rev

Max. Input Speed

3,400 rpm

Axle Shaft Size

25.4 (1.0) mm (in)

Weight (dry)

23 (50.7) kg (lb)

Brake Type

Internal Wet Disc

Housing (Case)

Die-Cast Aluminum

Gears

Heat-treated Steel Gears

Differential

Automotive-type Bevel Gears

Differential Locks

Automatic ETC differential lock option
Manual differential lock option

Speed Control System

Foot Control: External Shock Absorber option

Auxiliary/External Hydraulic Outlets

Available option for power steering, lift, etc.
6.9L per minute
31 bars (450 psi) @ 2,000 rpm

External Filter Change

Available option

Bypass Valve (Roll Release)

Standard

Oil Reservoir

External Reservoir (available option)

Hydraulic fluid type

Proprietary Tuff Torq Tuff Tech drive fluid recommended. (Contact OEM for other options)
K62

Application

Yard Tractor
 / Estate Tractor
 / Light-Duty Garden Tractor

Reduction Ratio

26.90:1
 18.65:1

Axle Torque (Rated)

26.90:1 = 294 (217)
 18.65:1 = 203 (150) Nm (lb-ft)

Max. Tire Diameter

26.90:1 = 584 (23)
 18.65:1 = 457 (18) mm (in)

Brake Capacity

26.90:1 = 330 (243)
 18.65:1 = 216 (159) Nm (lb-ft) @ 300 N (67.5 lb) Brake Arm Force

Displacement (Pump/Motor)

10/10 cc/rev

Max. Input Speed

3,000 rpm

Axle Shaft Size

25.4 (1.0) mm (in)

Weight (dry)

23 (50.7) kg (lb)

Brake Type

Internal Wet Disc

Housing (Case)

Die-Cast Aluminum

Gears

Heat-treated Powder Metal Gears
 Heat-treated Steel Gears available option

Differential

Automotive-type Bevel Gears

Differential Locks

Automatic ETC differential lock option
 Manual differential lock option

Speed Control System

Foot Control: External Shock Absorber option

Auxiliary/External Hydraulic Outlets

Available option for power steering, lift, etc.
 6.9L per minute
 31 bars (450 psi) @ 2,000 rpm

External Filter Change

Available option

Bypass Valve (Roll Release)

Standard

Oil Reservoir

External Reservoir (available option)

Hydraulic fluid type

Proprietary Tuff Torq Tuff Tech drive fluid recommended. (Contact OEM for other options)
K58

Application

Rear Engine Riding Mower
 / Lawn Tractors
 / 4WD Tractors and Mowers
 / Ride-on Mowers
 / Articulating Mowers
 / Estate Tractors
 / Garden Tractors

Reduction Ratio

31.44:1

Axle Torque (Rated)

294 (217) Nm (lb-ft)

Max. Tire Diameter

584 (23) mm (in)

Brake Capacity

470 (347) Nm (lb-ft) *@350 N (79 lb) Brake arm force

Displacement (Pump/Motor)

7/10 cc/rev

Max. Input Speed

3,400 rpm

Axle Shaft Size

25.4 (1.0) mm (in)

Weight (dry)

15.3 (33.7) kg (lb)

Brake Type

Internal Wet Disc

Housing (Case)

Die-Cast Aluminum

Gears

Heat-treated Steel Gears

Differential

Automotive-type Bevel Gears

Speed Control System

Foot Control: External shock absorber available option

Bypass Valve (Roll Release)

Standard

Hydraulic Fluid Type

Proprietary Tuff Torq Tuff Tech drive fluid recommended. (Contact OEM for other options)
K57

Application

Rear Engine Riding Mower
 / Lawn Tractors
 / 4WD Tractors and Mowers
 / Ride-on Mowers
 / Articulating Mowers
 / Estate Tractors

Reduction Ratio

31.68:1
 28.04:1
 21.53:1

Axle Torque (Rated)

31.68:1 = 255 (188)
 28.04:1 = 235.4 (174)
 21.53:1 = 180.7 (133) Nm (lb-ft)

Max. Tire Diameter

31.68:1 = 559 (22)
 28.04:1 = 508 (20)
 21.53:1 = 457 (18) mm (in)

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

Displacement (Pump/Motor)

7/10 cc/rev

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)
K66

Application

Yard Tractor
/ Estate Tractor
/ Light-Duty Garden Tractor

Reduction Ratio

37.22:1
22.19:1

Axle Torque (Rated)

37.22:1 = 420 (310)
22.19:1 = 250 (185) Nm (lb-ft)

Max. Tire Diameter

37.22:1 = 584 (23)
22.19:1 = 457 (18) mm (in)

Brake Capacity

37.22:1 = 330 (243)
22.19:1 = 216 (159) Nm (lb-ft) @ 300 N (67.5 lb) Brake Arm Force

Displacement (Pump/Motor)

10/10 cc/rev

Max. Input Speed

3,400 rpm

Axle Shaft Size

25.4 (1.0) mm (in)

Weight (dry)

23 (50.7) kg (lb)

Brake Type

Internal Wet Disc

Housing (Case)

Die-Cast Aluminum

Gears

Heat-treated Steel Gears

Differential

Automotive-type Bevel Gears

Differential Locks

Automatic ETC differential lock option
Manual differential lock option

Speed Control System

Foot Control: External Shock Absorber option

Auxiliary/External Hydraulic Outlets

Available option for power steering, lift, etc.
6.9L per minute
31 bars (450 psi) @ 2,000 rpm

External Filter Change

Available option

Bypass Valve (Roll Release)

Standard

Oil Reservoir

External Reservoir (available option)

Hydraulic fluid type

Proprietary Tuff Torq Tuff Tech drive fluid recommended. (Contact OEM for other options)
K62

Application

Yard Tractor
/ Estate Tractor
/ Light-Duty Garden Tractor

Reduction Ratio

26.90:1
18.65:1

Axle Torque (Rated)

26.90:1 = 294 (217)
18.65:1 = 203 (150) Nm (lb-ft)

Max. Tire Diameter

26.90:1 = 584 (23)
18.65:1 = 457 (18) mm (in)

Brake Capacity

26.90:1 = 330 (243)
18.65:1 = 216 (159) Nm (lb-ft) @ 300 N (67.5 lb) Brake Arm Force

Displacement (Pump/Motor)

10/10 cc/rev

Max. Input Speed

3,000 rpm

Axle Shaft Size

25.4 (1.0) mm (in)

Weight (dry)

23 (50.7) kg (lb)

Brake Type

Internal Wet Disc

Housing (Case)

Die-Cast Aluminum

Gears

Heat-treated Powder Metal Gears
Heat-treated Steel Gears available option

Differential

Automotive-type Bevel Gears

Differential Locks

Automatic ETC differential lock option
Manual differential lock option

Speed Control System

Foot Control: External Shock Absorber option

Auxiliary/External Hydraulic Outlets

Available option for power steering, lift, etc.
6.9L per minute
31 bars (450 psi) @ 2,000 rpm

External Filter Change

Available option

Bypass Valve (Roll Release)

Standard

Oil Reservoir

External Reservoir (available option)

Hydraulic fluid type

Proprietary Tuff Torq Tuff Tech drive fluid recommended. (Contact OEM for other options)
K58

Application

Rear Engine Riding Mower
/ Lawn Tractors
/ 4WD Tractors and Mowers
/ Ride-on Mowers
/ Articulating Mowers
/ Estate Tractors
/ Garden Tractors

Reduction Ratio

31.44:1

Axle Torque (Rated)

294 (217) Nm (lb-ft)

Max. Tire Diameter

584 (23) mm (in)

Brake Capacity

470 (347) Nm (lb-ft) *@350 N (79 lb) Brake arm force

Displacement (Pump/Motor)

7/10 cc/rev

Max. Input Speed

3,400 rpm

Axle Shaft Size

25.4 (1.0) mm (in)

Weight (dry)

15.3 (33.7) kg (lb)

Brake Type

Internal Wet Disc

Housing (Case)

Die-Cast Aluminum

Gears

Heat-treated Steel Gears

Differential

Automotive-type Bevel Gears

Speed Control System

Foot Control: External shock absorber available option

Bypass Valve (Roll Release)

Standard

Hydraulic Fluid Type

Proprietary Tuff Torq Tuff Tech drive fluid recommended. (Contact OEM for other options)
K57

Application

Rear Engine Riding Mower
/ Lawn Tractors
/ 4WD Tractors and Mowers
/ Ride-on Mowers
/ Articulating Mowers
/ Estate Tractors

Reduction Ratio

31.68:1
28.04:1
21.53:1

Axle Torque (Rated)

31.68:1 = 255 (188)
28.04:1 = 235.4 (174)
21.53:1 = 180.7 (133) Nm (lb-ft)

Max. Tire Diameter

31.68:1 = 559 (22)
28.04:1 = 508 (20)
21.53:1 = 457 (18) mm (in)

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

Displacement (Pump/Motor)

7/10 cc/rev

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)
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