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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$3349.99
- 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:
$3382.97
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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
Kohler Horizontal 4-Stroke Diesel Engine - 9.1 HP, Air-Cooled, 12V Electric Start, Model# PA-KD440-2101C
Honda Engines, HONDA V-TWIN HORIZ GX690RHXTAF, Engine Displacement 688 cc, Engine Type GX Series OHV V-twin, Shaft Diameter 1-1/8 in, Model# GX690RHXTAF
Honda Engines, HONDA V-TWIN HORIZ GX690RTDW, Engine Displacement 688 cc, Engine Type GX Series OHV V-twin, Shaft Diameter 1-1/8 in, Model# GX690RHXTDW
Engine Displacement
Same
725 cc
441 cc
688 cc
688 cc
Engine Type
Same
Command Pro V-twin OHV
Diesel Horizontal
GX Series OHV V-twin
GX Series OHV V-twin
Shaft Diameter
Same
1-1/8 in
-
1-1/8 in
1-1/8 in
Shaft Length
Same
2.75 in
-
3.5 in
2.9 in
Start Type
Same
Electric
Electric
Electric
Electric
Shaft Keyway
Same
0.25 in
-
0.25 in
0.25 in
Net Torque
Same
39.2 ft-lbs.
-
35.6 ft-lbs.
35.6 ft-lbs.
Crankshaft
Same
Hardened
-
T-type
T-type
Replaces OEM
Same
Toro Exmark ZTR
-
-
-
PTO Height
Same
6.125 in
-
-
5.25 in
Cylinders (qty.)
Same
2
1
2
2
Cylinder Bore
Same
Cast Iron
Cast Iron
Integrated
Integrated
Net Power Output
Same
25 HP
9.1 HP
22.1 HP
22.1 HP
Compression Ratio
Same
9:1
20.3:1
9.3:1
9.3:1
Fuel Tank
Same
No
-
No
No
Oil Capacity
Same
2 qt
1.6 qt
2 qt
2.1 qt
Low Oil Shutdown
Same
Yes
-
No
No
Low Oil Alert
Same
Yes
Yes
Yes
No
Grade
Same
87 Up
-
-
-
Shaft Rotation (From PTO Shaft Side)
Same
Counter Clockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Governor System
Same
Variable Speed
Yes
Mechanical
Mechanical
Ignition System
Same
Electronic
Electronic
Electrical, Digital CDI W/variable Ignition Timing
Electrical, Digital CDI W/variable Ignition Timing
Carburetor
Same
Smart Choke
Direct Injection
(2) Barrel, Fuel Cut Solenoid, Inner Vent
Horizontal, Two-barrel Butterfly Valve, Internal Vent
Lubrication System
Same
Full Pressure
Full Pressure With Full Flow Filter
Full Pressure
Forced Lubrication
Bearing Type
Same
Parent Material
-
Ball
Ball
Cooling System
Same
Air
Air
Air
Air
Bore
Same
3.3 in
3.4 in
3.1 in
-
Stroke
Same
2.6 in
3 in
2.8 in
-
Air Cleaner Type
Same
Dual Element
Single Element
Dual Element
-
Choke Control
Same
Remote
-
Manual
-
Throttle Control
Same
Remote
-
Manual
-
Fuel Filter
Same
Yes
-
-
-
Charging System Amps
Same
20
20
20
-
Auto Compression Release
Same
-
Yes
-
Yes
Muffler Included
Same
-
Yes
No
-
See All Horizontal Engines
See All Kohler Horizontal Engines
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