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Attribute |
Specification |
|
Brand |
Honda Engines |
|
Manufacture's Warranty |
3 year limited warranty |
|
Ship Weight |
110.0 LB |
|
Engine Displacement |
688 cc |
|
Engine Type |
GX Series OHV V-Twin commercial-duty |
|
Shaft Diameter |
1 in |
|
Shaft Length |
2.9 in |
|
Start Type |
Electric |
|
Shaft Output |
Horizontal |
|
Shaft Keyway |
0.25 in |
|
Net Torque |
35.6 ft-lbs. |
|
Crankshaft |
Q-type |
|
PTO Height |
5.25 in |
|
Cylinders (qty.) |
2 |
|
Cylinder Bore |
Integrated |
|
Net Power Output |
20.8 HP |
|
Compression Ratio |
9.3:1 |
|
Fuel Tank |
No |
|
Attribute |
Specification |
|
Oil Capacity |
2 qt |
|
Low Oil Alert |
Yes |
|
Shaft Rotation (From PTO Shaft Side) |
Counterclockwise |
|
Governor System |
Mechanical |
|
Ignition System |
Electonic, digital CDI w/variable ignition timing |
|
Carburetor |
2-barrel, fuel cut solenoid, inner vent |
|
Lubrication System |
Full pressure |
|
Cooling System |
Air cooled |
|
Bore |
3.1 in |
|
Stroke |
2.8 in |
|
Air Cleaner Type |
Dual element/cylindrical |
|
Choke Control |
Remote (wire) |
|
Throttle Control |
Remote (wire) |
|
Charging System Amps |
17 |
|
Muffler Included |
No |
|
Bolt Circle |
5, 6.5, 7.75 in |
|
Mounting Base Length |
7.68 in |
|
Mounting Base Width |
3.39 to 4.65 in |
Posted by Eka Cahyo on 9th Jan 2024
After my 18hp Briggs and Stratton blew a head gasket, someone suggested buying a Predator from Harbor Freight. That was a mistake! It had major fuel pump issues and never ran well. After 10 days of constant trouble, I replaced it with a Honda GX 630 and now I couldn’t be happier! Great engine!
Posted by 'Ahmed Ibrahim' on 25th Jun 2023
'Powerful search functionality helps locate information quickly in this tool.'
Posted by Nolan Robinson on 16th May 2023
Honda GX630RHQZB3 V-Twin Engine with electric start, part of the GX Series.