The Kohler Command PRO CH740-3117 is a carbureted engine, not EFI. It uses a Smart-Choke carburetor and pulse fuel pump.
Kohler Command PRO V-Twin OHV Horizontal Replacement Engine - 25 HP, 725cc, 1 1/8in. x 2 3/4in. Shaft, Model# PA-CH740-3117
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$3014.99
- Model PA-CH740-3117, 1 1/8in. dia. x 2 3/4in.L shaft
- Overhead valve design with hydraulic valve lifters
- 5 5/8in. and 7 3/4in. bolt circles, 7in. dia. pilot
- 7 1/4in. x 3 1/2in. mounting base
- Replaces Toro Exmark ZTR zero-turn mower engine
See full description
Price for all three:
$3044.97
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Specifications
Specifications
Kohler Command PRO V-Twin OHV Horizontal Replacement Engine - 25 HP, 725cc, 1 1/8in. x 2 3/4in. Shaft, Model# PA-CH740-3117
Honda Engines, HONDA 270CC 6:1 ENGINE, Engine Displacement 270 cc, Engine Type GX Series OHV Commercial-duty, Shaft Diameter 1 in, Model# GX270UT2HA2
Honda Engines, HONDA GX270 6:1 ELECTRIC START, Engine Displacement 270 cc, Engine Type GX Series OHV Commercial-duty, Shaft Diameter 1 in, Model# GX270UT2HEA2
Honda Engines, V-TWIN HORIZONTAL 630CC RQXA, Engine Displacement 688 cc, Engine Type GX Series OHV V-twin Commercial-duty, Shaft Diameter 1 in, Model# GX630RHXQXA
Engine Displacement
Same
725 cc
270 cc
270 cc
688 cc
Engine Type
Same
Command Pro V-twin OHV
GX Series OHV Commercial-duty
GX Series OHV Commercial-duty
GX Series OHV V-twin Commercial-duty
Shaft Diameter
Same
1-1/8 in
1 in
1 in
1 in
Shaft Length
Same
2.75 in
3.23 in
3.23 in
2.9 in
Start Type
Same
Electric
Recoil
Electric and Recoil
Electric
Shaft Keyway
Same
0.25 in
-
0.25 in
0.25 in
Net Torque
Same
39.2 ft-lbs.
14.1 ft-lbs.
14.1 ft-lbs.
35.6 ft-lbs.
Crankshaft
Same
Hardened
H-type
H-type
Q-type
Replaces OEM
Same
Toro Exmark ZTR
-
-
-
PTO Height
Same
6.125 in
5.25 in
5.25 in
5.25 in
Cylinders (qty.)
Same
2
1
1
2
Cylinder Bore
Same
Cast Iron
Cast Iron
Cast Iron
Integrated
Net Power Output
Same
25 HP
8.5 HP
8.5 HP
20.8 HP
Compression Ratio
Same
9:1
8.5:1
8.5:1
9.3:1
Fuel Tank
Same
No
-
-
No
Oil Capacity
Same
2 qt
1.16 qt
1.16 qt
2 qt
Low Oil Shutdown
Same
Yes
-
-
-
Low Oil Alert
Same
Yes
-
-
Yes
Grade
Same
87 Up
-
-
-
Shaft Rotation (From PTO Shaft Side)
Same
Counter Clockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Governor System
Same
Variable Speed
Centrifugal Mechanical
Centrifugal Mechanical
Mechanical
Ignition System
Same
Electronic
Electronic
Electronic
Electonic, Digital CDI W/variable Ignition Timing
Carburetor
Same
Smart Choke
Float, External Vent
Float, External Vent
2-barrel, Fuel Cut Solenoid, Inner Vent
Lubrication System
Same
Full Pressure
Splash
Splash
Full Pressure
Bearing Type
Same
Parent Material
-
-
-
Cooling System
Same
Air
Air
Air
Air
Bore
Same
3.3 in
3 in
3 in
3.1 in
Stroke
Same
2.6 in
2.3 in
2.3 in
2.8 in
Air Cleaner Type
Same
Dual Element
Dual Element
Dual Element
Dual Element
Choke Control
Same
Remote
Manual
Manual
Remote
Throttle Control
Same
Remote
Manual
Remote
Remote
Fuel Filter
Same
Yes
Yes
Yes
-
Charging System Amps
Same
20
-
-
3
Fuel Tank Capacity
Same
-
5.6 qt
5.6 qt
-
Muffler Included
Same
-
-
-
No
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