The crankshaft features a 7/16”-20 threaded hole.
Kohler Electric Start Horizontal Engine - 20.5 HP, 674cc, Gasoline, 1 1/8in. Shaft Diameter, Model# PA-CH640-3264
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$2299.99
- Integrated oil coolers extend oil-change intervals and maintain low temperatures during the entire power range
- High-efficiency, heavy-duty air filters provide protection from debris and ensure longer service intervals
- Extra-large sleeve bearings support heavy loads in commercial and industrial environments
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Specifications
Specifications
Kohler Electric Start Horizontal Engine - 20.5 HP, 674cc, Gasoline, 1 1/8in. Shaft Diameter, Model# PA-CH640-3264
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Honda GX Series OHV V-Twin Horizontal Engine — 688cc, 1in. Shaft Diameter, Commercial-Duty, Model# GX630RHQXA
Honda Engines, V-TWIN HORIZONTAL 630CC RVXE1 Engine Displacement 688 cc, Engine Type GX Series OHV V-twin Commercial-duty, Model# GX630RHXVXE1
Engine Displacement
Same
674 cc
688 cc
688 cc
688 cc
Engine Type
Same
Gasoline
GX Series OHV V-twin Commercial-duty
GX Series OHV V-twin Commercial-duty
GX Series OHV V-twin Commercial-duty
Shaft Diameter
Same
1-1/8 in
1 in
1 in
Tapered
Shaft Diameter Metric
Same
28.5 mm
-
-
-
Shaft Length
Same
4 in
2.9 in
2.9 in
3 in
Shaft Length Metric
Same
102 mm
-
-
-
Fuel Type
Same
Gasoline
-
-
-
Start Type
Same
Electric
Electric
Electric
Electric
Shaft Keyway
Same
0.25 in
0.25 in
0.25 in
-
Net Torque
Same
48.4 ft-lbs.
35.6 ft-lbs.
35.6 ft-lbs.
35.6 ft-lbs.
Crankshaft
Same
Hardened
Q-type
Q-type
V-type
PTO Height
Same
6.125 in
5.25 in
5.25 in
5.25 in
Cylinders (qty.)
Same
2
2
2
2
Cylinder Bore
Same
Cast Iron
Integrated
Integrated
Integrated
Net Power Output
Same
20.5 HP
20.8 HP
20.8 HP
20.8 HP
Compression Ratio
Same
8.5:1
9.3:1
9.3:1
9.3:1
Fuel Tank
Same
No
No
No
No
Oil Capacity
Same
2 qt
2 qt
2 qt
2 qt
Low Oil Alert
Same
Yes
No
Yes
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
Mechanical
Mechanical
Mechanical
Ignition System
Same
Electronic
Electonic, Digital CDI W/variable Ignition Timing
Electonic, Digital CDI W/variable Ignition Timing
Electonic, Digital CDI W/variable Ignition Timing
Carburetor
Same
Smart-Choke
2-barrel, Fuel Cut Solenoid, Inner Vent
2-barrel, Fuel Cut Solenoid, Inner Vent
2-barrel, Fuel Cut Solenoid, Inner Vent
Lubrication System
Same
Full pressure
Full Pressure
Full Pressure
Full Pressure
Bearing Type
Same
Plain
-
-
-
Auto Compression Release
Same
No
-
-
-
Cooling System
Same
Air
Air
Air
Air
Bore
Same
3.1 in
3.1 in
3.1 in
3.1 in
Stroke
Same
2.6 in
2.8 in
2.8 in
2.8 in
Air Cleaner Type
Same
Dual Element
Dual Element
Dual Element
Dual Element
Choke Control
Same
Remote
Manual
Remote
Manual
Throttle Control
Same
Remote
Manual
Remote
Manual
Fuel Filter
Same
Yes
-
-
-
Charging System Amps
Same
15
17
3
2.7
Muffler Included
Same
No
No
No
No
Bolt Circle
Same
7in. dia. pilot, 5 5/8in. and 7 3/4in. bolt circles in
-
-
-
Mounting Base Length
Same
7.25 in
-
-
-
Mounting Base Width
Same
3.5 in
-
-
-
Product Weight
Same
90.0000 lb
-
-
-
Dimensions L x W x H (in.)
Same
20.0 x 20.0 x 19.0 in
-
-
-
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