The engine shaft is not tapered. The engine will have a straight shaft with a tapped end.
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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

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Shipping:
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- 900 configuration reduces vibration and allows a compact footprint
- 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 filter change intervals that are five times longer
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Engine, Model# GX630RHQZB3
Features + Benefits

- 900 configuration reduces vibration and allows a compact footprint
- 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 filter change intervals that are five times longer
- Oil filter is parallel to crankshaft
- Not for sale in CA
Key Specs
| Attribute | Specification |
|---|---|
item# | 43824 |
Brand | Honda Engines |
Manufacturer's Warranty | 3 year limited warranty |
Ship Weight | 125.0 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 Keyway | 0.25 in |
Net Torque | 35.6 ft-lbs. |
Crankshaft | Q-type |
PTO Height | 5.25 in |
Cylinders (qty.) | 2 |
Cylinder Bore | Cast Iron |
Net Power Output | 20.8 HP |
Compression Ratio | 9.3:1 |
Fuel Tank | No |
Oil Capacity | 2.1 qt |
| Attribute | Specification |
|---|---|
Low Oil Shutdown | Oil Alert |
Low Oil Alert | Yes |
Shaft Rotation (From PTO Shaft Side) | Counter Clockwise |
Governor System | Mechanical |
Ignition System | Electrical, Digital CDI W/variable Ignition Timing |
Carburetor | 2 Barrel, Fuel-cut Solenoid, Inner Vent |
Lubrication System | Forced Lubrication |
Bearing Type | Ball |
Auto Compression Release | Yes |
Cooling System | Air |
Bore | 3.1 in |
Stroke | 2.8 in |
Air Cleaner Type | Dual Element |
Choke Control | Manual |
Throttle Control | Manual |
Fuel Filter | Yes |
Charging System Amps | 17 |
Muffler Included | No |
Reviews
Questions & Answers
Questions
-
· a year ago
is the output shaft tapered
1 answer-
ProductExpert11· a year ago
Helpful?
-
-
· 5 years ago
What is the difference between item 601105 and item 601099
1 answer-
ProductExpert31· 5 years ago
Both mufflers attach the same way. The exhaust output is on opposite sides. Item #601105 has an exhaust output on the left/starter side of the engine. Item #601099 has an exhaust output on the right/oil filter side of the engine.
Helpful?
-
-
· 6 years ago
Can you get solidworks files for this engine. Like a model
1 answer-
ProductExpert6· 6 years ago
Northern Tool would not have a Solidworks File for this engine.
Helpful?
-
Accessories We Recommend
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Warranty
Manufacturer's Warranty
3 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Repair Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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$2089.99Shipping:
Factory shippedStore Pickup:
- $299.99
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Factory shippedStore Pickup:
- $1219.99
Shipping:
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Specifications
688 cc
160 cc
270 cc
GX Series OHV V-twin Commercial-duty
GC Series OHC Residential-duty
GX Series OHV Commercial-duty
1 in
3/4 in
1 in
2.9 in
1.89 in
3.23 in
Electric
Recoil
Electric and Recoil
0.25 in
0.18 in
0.25 in
35.6 ft-lbs.
6.9 ft-lbs.
14.1 ft-lbs.
Q-type
M-type
H-type
5.25 in
4.17 in
5.25 in
2
1
1
Cast Iron
Aluminum
Cast Iron
20.8 HP
4.6 HP
8.5 HP
9.3:1
8.5:1
8.5:1
No
Yes
-
2.1 qt
0.61 qt
1.16 qt
Oil Alert
No
-
Yes
No
-
Counter Clockwise
Counter Clockwise
Counter Clockwise
Mechanical
Centrifugal Mechanical
Centrifugal Mechanical
Electrical, Digital CDI W/variable Ignition Timing
Electronic
Electronic
2 Barrel, Fuel-cut Solenoid, Inner Vent
Float
Float, External Vent
Forced Lubrication
Splash
Splash
Ball
Standard
-
Yes
Yes
-
Air
Air
Air
3.1 in
2.5 in
3 in
2.8 in
2 in
2.3 in
Dual Element
Single Element
Dual Element
Manual
Manual
Manual
Manual
Manual
Remote
Yes
Yes
Yes
17
-
-
No
Yes
-
-
1.9 qt
5.6 qt
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