This engine does have an air filter, but does not include a muffler.. Some muffler options we offer include items 601105, 46977 and 46980.
Honda Engines, HONDA V-TWIN HORIZ 630CC RTXF2 Engine Displacement 688 cc, Engine Type GX Series OHV V-twin Commercial-duty, Shaft Diameter 1-1/8 in, Model# GX630RHXTXF2
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
$2299.99
- 900 configuration reduces vibration and allows a compact footprint
- Superior construction with forged steel crankshaft and integrated cylinder head
- Fewer parts for better durability
- Digital CDI ignition coil ensures improved fuel economy and lowered emissions
- Improved air cleaning for five times longer periods between filter changes
See full description
Price for all four:
$2777.96
Accessories We Recommend
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.
See All Horizontal Engines
See All Honda Engines Horizontal Engines
Currently Viewing This Product
Specifications
Specifications
Honda Engines, HONDA V-TWIN HORIZ 630CC RTXF2 Engine Displacement 688 cc, Engine Type GX Series OHV V-twin Commercial-duty, Shaft Diameter 1-1/8 in, Model# GX630RHXTXF2
Kohler Command Pro Horizontal Simplicity Replacement Engine with Electric Start - 674cc, 1.125in. x 2.79in. Shaft, Model# PA-CH640-3126
Honda Engines, HONDA V-TWIN HORIZ 630CC HXQZB3 Engine Displacement 688 cc, Engine Type GX Series OHV V-twin Commercial-duty, Shaft Diameter 1 in, Model# GX630RHXQZB3
Honda Engines, Honda GX690 Horizontal V-Twin, Engine Displacement 688 cc, Shaft Diameter 1-1/8 in., Model# GX690RHXTXA2
Engine Displacement
Same
688 cc
627 cc
688 cc
688 cc
Engine Type
Same
GX Series OHV V-twin Commercial-duty
Command Pro OHV
GX Series OHV V-twin Commercial-duty
GX Series OHV V-twin
Shaft Diameter
Same
1-1/8 in
1-1/8 in
1 in
1-1/8 in
Shaft Length
Same
3.87 in
2.79 in
2.9 in
3.96 in
Start Type
Same
Electric
Electric
Electric
Electric
Shaft Keyway
Same
0.25 in
0.25 in
0.25 in
0.25 in
Net Torque
Same
35.6 ft-lbs.
-
35.6 ft-lbs.
35.6 ft-lbs.
Crankshaft
Same
T-type
Hardened
Q-type
T-type
PTO Height
Same
5.25 in
6.125 in
5.25 in
5.25 in
Cylinders (qty.)
Same
2
2
2
2
Cylinder Bore
Same
Cast Iron
Cast Iron
Cast Iron
Integrated
Net Power Output
Same
20.8 HP
-
20.8 HP
22.1 HP
Compression Ratio
Same
9.3:1
8.5:1
9.3:1
9.3:1
Fuel Tank
Same
No
-
No
No
Oil Capacity
Same
2.1 qt
2 qt
2.1 qt
2 qt
Low Oil Shutdown
Same
Oil level indicator
Yes
Oil Alert
Yes
Low Oil Alert
Same
Oil level indicator
Yes
Yes
Yes
Shaft Rotation (From PTO Shaft Side)
Same
Counter Clockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Governor System
Same
Mechanical
Variable Speed
Mechanical
Mechanical
Ignition System
Same
Digital CDI W/variable Timing
Electronic
Electrical, Digital CDI W/variable Ignition Timing
Electrical, Digital CDI W/variable Ignition Timing
Carburetor
Same
Horizontal, Two-barrel Butterfly Valve, Internal Vent
Smart Choke
2 Barrel, Fuel-cut Solenoid, Inner Vent
(2) Barrel, Fuel Cut Solenoid, Inner Vent
Lubrication System
Same
Forced Lubrication
Full Pressure
Forced Lubrication
Forced Lubrication
Bearing Type
Same
Ball
Parent Material
Ball
Ball
Auto Compression Release
Same
Yes
No
Yes
Yes
Cooling System
Same
Air
Air
Air
Air
Bore
Same
3.06 in
3 in
3.1 in
3.1 in
Stroke
Same
2.84 in
2.6 in
2.8 in
2.8 in
Air Cleaner Type
Same
Requires DNLS5 air cleaner (not included)
Dual Element
Dual Element
Dual Element
Choke Control
Same
Remote
Remote
Manual
Manual
Throttle Control
Same
Remote
Remote
Manual
Manual
Charging System Amps
Same
20
15
17
17
Muffler Included
Same
No
No
No
No
Fuel Filter
Same
-
Yes
Yes
Yes
See All Horizontal Engines
See All Honda Engines 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.