The shaft on this engine is 1 1/8" x 4". The length is 4".
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Briggs & Stratton V-Twin Small Block Vertical Engine, 627cc, 1 1/8in. Dia. Shaft, Model# 386777-0144-G1

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Shipping:
Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- Model# 386777-0144-G1; 627cc engine displacement with 23 HP output and 3600 RPM with 1 1/8in. dia. vertical shaft
- V-twin small block design is lightweight, compact and reliable
- 12 Volt electric start with 4-pole starter solenoid and Magnetron electronic ignition
- Dura-Bore cast iron cylinder sleeve adds durability
- Great for use in commercial mowing applications
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Engine, Model# 386777-0144-G1
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Features + Benefits
- Model# 386777-0144-G1; 627cc engine displacement with 23 HP output and 3600 RPM with 1 1/8in. dia. vertical shaft
- V-twin small block design is lightweight, compact and reliable
- 12 Volt electric start with 4-pole starter solenoid and Magnetron electronic ignition
- Dura-Bore cast iron cylinder sleeve adds durability
- Great for use in commercial mowing applications
- Advanced debris management
- Full pressure lubrication with spin-on oil filter keeps the engine running smoothly
- Centrally located oil pump and pickup plus an oil cooler
- High efficiency head design
- Lightweight piston and ring package
- Dynamically balanced crankshaft
- Low-profile Dual-Clean air cleaner
- Mechanical compression release
- Poly-Core blower housing
- Commercial-style carburetor
- Buyer protection package provides 3-year commercial limited warranty
- Not for sale in CA
Key Specs
| Attribute | Specification |
|---|---|
item# | 103806 |
Brand | Briggs & Stratton |
Manufacturer's Warranty | 36 months parts/36months labor |
Ship Weight | 151.0 LB |
Engine Displacement | 627 cc |
Engine Type | Vanguard V-twin |
Shaft Diameter | 1-1/8 in |
Fuel Type | Gasoline |
Start Type | Electric |
Shaft Keyway | 0.25 in |
Crankshaft | Vertical |
Cylinders (qty.) | 2 |
Cylinder Bore | Cast Iron |
Net Power Output | 23 HP |
Fuel Tank | No |
Oil Capacity | 1.5 qt |
Low Oil Shutdown | No |
Low Oil Alert | No |
| Attribute | Specification |
|---|---|
Max. RPM | 3,600 |
CARB Approved | No |
Shaft Rotation (From PTO Shaft Side) | Counter Clockwise |
Governor System | Mechanical |
Ignition System | Electronic |
Carburetor | Float |
Lubrication System | Full Pressure |
Bearing Type | Ball |
Auto Compression Release | Yes |
Cooling System | Air |
Bore | 2.97 in |
Stroke | 2.76 in |
Air Cleaner Type | Single Element |
Throttle Control | Remote |
Fuel Filter | Yes |
Charging System Amps | 16 |
Muffler Included | No |
Product Weight | 93 lb |
Reviews
Questions & Answers
Questions
-
· 22 days ago
What is the shaft length?
1 answer-
ProductExpert6· 21 days ago
Helpful?
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· 2 months ago
What is the warranty on this product?
1 answer-
ProductExpert11· 2 months ago
The engine will have a three year limited warranty through the manufacturer.
Helpful?
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· a year ago
Will this work with no problems or modifications
1 answer-
ProductExpert30· a year ago
This engine would be designed be able to mount without modifications.
Helpful?
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· 2 years ago
what is the mounting hole pattern for this engine?
1 answer-
ProductExpert23· a year ago
The mounting hole pattern for the Briggs & Stratton V-Twin Small Block Vertical Engine (Model 386777-0144-G1) is 7.75 inches by 4.5 inches.
Helpful?
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· 4 years ago
The spec sheet does'nt include the shaft length, can i get it from you?
1 answer-
ProductExpert12· 4 years ago
This engine has a 4" shaft.
Helpful?
-
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Warranty
Manufacturer's Warranty
36 months parts/36months labor
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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Item # 103806
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Specifications
627 cc
389 cc
724 cc
Vanguard V-twin
GXV Series OHV Commercial-duty
V-twin OHV
1-1/8 in
1 in
1 in
Gasoline
Gasoline
Gasoline
Electric
Electric and Recoil
Electric
0.25 in
0.25 in
0.25 in
Vertical
-
Vertical
2
1
2
Cast Iron
Cast Iron
Cast Iron
23 HP
10.2 HP
25 HP
No
Yes
No
1.5 qt
1.2 qt
2 qt
No
-
No
No
No
No
3,600
3,600
3,300
No
-
No
Counter Clockwise
Counter Clockwise
Counter Clockwise
Mechanical
Centrifugal Mechanical
Mechanical
Electronic
Electronic
Electronic
Float
Float
Yes
Full Pressure
Pressure/splash
Full Pressure
Ball
-
Ball
Yes
-
Yes
Air
Air
Air
2.97 in
3.2 in
3.12 in
2.76 in
2.5 in
2.89 in
Single Element
Dual Element
Single Element
Remote
Remote
Remote
Yes
Yes
Yes
16
3
16
No
Yes
No
93 lb
lb
91.0000 lb
-
3.11 in
3.15 in
-
17.8 ft-lbs.
-
-
7.7:1
-
-
2.2 qt
-
-
Remote
Automatic
-
10 in
-
-
17.0 x 15.0 x 15.87 in
19.12 x 18.0 x 15.5 in
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