The shaft on this engine is 1 1/8" x 4". The length is 4".
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:
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- 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
-
· 2 months ago
What is the shaft length?
1 answer-
ProductExpert6· 2 months ago
Helpful?
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· 4 months ago
What is the warranty on this product?
1 answer-
ProductExpert11· 4 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· 2 years 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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· 5 years ago
The spec sheet does'nt include the shaft length, can i get it from you?
1 answer-
ProductExpert12· 5 years ago
This engine has a 4" shaft.
Helpful?
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Accessories We Recommend
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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
500 cc
389 cc
Vanguard V-twin
GXV Series OHV Commercial-duty
Intek
GXV Series OHV Commercial-duty
1-1/8 in
1 in
1 in
1 in
Gasoline
Gasoline
Gasoline
Gasoline
Electric
Electric and Recoil
Electric
Electric and Recoil
0.25 in
0.25 in
0.25 in
0.25 in
Vertical
-
1 x 3.15 In
D Type
2
1
1
1
Cast Iron
Cast Iron
Cast Iron
Cast Iron
23 HP
10.2 HP
-
10.2 HP
No
Yes
No
Yes
1.5 qt
1.2 qt
1.5 qt
1.2 qt
No
-
No
No
No
No
No
No
3,600
3,600
3,300
3,600
No
-
No
-
Counter Clockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Mechanical
Centrifugal Mechanical
Mechanical
Centrifugal Mechanical
Electronic
Electronic
Electronic
Electronic
Float
Float
Float
Float
Full Pressure
Pressure/splash
Splash
Pressure/splash
Ball
-
Plain
Ball
Yes
-
Yes
Yes
Air
Air
Air
Air
2.97 in
3.2 in
3.56 in
3.2 in
2.76 in
2.5 in
3.06 in
2.5 in
Single Element
Dual Element
Dual Element
Dual Element
Remote
Remote
Remote
Remote
Yes
Yes
Yes
Yes
16
3
9
3
No
Yes
Yes
Yes
93 lb
lb
lb
lb
-
3.11 in
3.15 in
3.11 in
-
17.8 ft-lbs.
-
17.8 ft-lbs.
-
7.7:1
8.5:1
7.7:1
-
2.2 qt
-
2.2 qt
-
Remote
Manual
Remote
-
10 in
10 in
10 in
-
17.0 x 15.0 x 15.87 in
19.0 x 16.0 x 13.0 in
17.0 x 15.0 x 15.87 in
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