The shaft is 4.453" long with a 1.12" diameter.
Kohler Horizontal Gasoline Engine - 25 HP, 725cc, Model# PA-CH740-3391
This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.
Click or Tap image to Zoom
$2728.46
- Integrated oil coolers extend oil-change intervals and maintain low temperatures during the entire power range
See full description
See All Horizontal Engines
See All Kohler Horizontal Engines
Currently Viewing This Product
Specifications
Specifications
Kohler Horizontal Gasoline Engine - 25 HP, 725cc, Model# PA-CH740-3391
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, V-TWIN HORIZONTAL 630CC RQAF1 Engine Displacement 688 cc, Engine Type GX Series OHV V-twin Commercial-duty, Shaft Diameter 1 in, Model# GX630RHXQAF1
Honda GX Series OHV V-Twin Horizontal Engine — 688cc, 1in. Shaft Diameter, Commercial-Duty, Model# GX630RHQXA
Engine Displacement
Same
725 cc
270 cc
688 cc
688 cc
Engine Type
Same
Gasoline
GX Series OHV Commercial-duty
GX Series OHV V-twin Commercial-duty
GX Series OHV V-twin Commercial-duty
Shaft Diameter Metric
Same
28.5 mm
-
-
-
Shaft Length
Same
4.453 in
3.23 in
2.9 in
2.9 in
Shaft Length Metric
Same
113 mm
-
-
-
Fuel Type
Same
Gasoline
-
-
-
Start Type
Same
Electric
Recoil
Electric
Electric
Net Torque
Same
36.8 ft-lbs.
14.1 ft-lbs.
35.6 ft-lbs.
35.6 ft-lbs.
Crankshaft
Same
Hardened
H-type
Q-type
Q-type
Replaces OEM
Same
Basic Configuration
-
-
-
PTO Height
Same
6.125 in
5.25 in
5.25 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
8.5 HP
20.8 HP
20.8 HP
Compression Ratio
Same
9.0:1
8.5:1
9.3:1
9.3:1
Fuel Tank
Same
No
-
No
No
Oil Capacity
Same
2 qt
1.16 qt
2 qt
2 qt
Low Oil Shutdown
Same
Yes
-
-
-
Low Oil Alert
Same
Yes
-
No
Yes
Max. RPM
Same
3,600
-
-
-
Grade
Same
87
-
-
-
CARB Approved
Same
Yes
-
-
-
Shaft Rotation (From PTO Shaft Side)
Same
Counter Clockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Governor System
Same
Variable Speed
Centrifugal Mechanical
Mechanical
Mechanical
Ignition System
Same
Electronic
Electronic
Electonic, Digital CDI W/variable Ignition Timing
Electonic, Digital CDI W/variable Ignition Timing
Carburetor
Same
High performance Accelerator pump carburetor
Float, External Vent
2-barrel, Fuel Cut Solenoid, Inner Vent
2-barrel, Fuel Cut Solenoid, Inner Vent
Lubrication System
Same
Splash
Splash
Full Pressure
Full Pressure
Bearing Type
Same
Plain
-
-
-
Auto Compression Release
Same
Yes
-
-
-
Cooling System
Same
Air
Air
Air
Air
Bore
Same
3.3 in
3 in
3.1 in
3.1 in
Stroke
Same
2.6 in
2.3 in
2.8 in
2.8 in
Air Cleaner Type
Same
Dual Element
Dual Element
Dual Element
Dual Element
Choke Control
Same
Manual
Manual
Manual
Remote
Throttle Control
Same
Manual
Manual
Manual
Remote
Fuel Filter
Same
Yes
Yes
-
-
Charging System Amps
Same
20
-
17
3
Muffler Included
Same
No
-
No
No
Bolt Circle
Same
7 in
-
-
-
Mounting Base Length
Same
5.625 in
-
-
-
Mounting Base Width
Same
5.625 in
-
-
-
Product Weight
Same
90.0000 lb
-
-
-
Dimensions L x W x H (in.)
Same
14.0 x 17.0 x 25.5 in
-
-
-
Shaft Diameter
Same
-
1 in
1 in
1 in
Fuel Tank Capacity
Same
-
5.6 qt
-
-
Shaft Keyway
Same
-
-
0.25 in
0.25 in
See All Horizontal Engines
See All Kohler Horizontal Engines
Recently Viewed Items
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.
