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
-
· a month ago
What is the shaft length?
1 answer-
ProductExpert6· a month ago
Helpful?
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· 3 months ago
What is the warranty on this product?
1 answer-
ProductExpert11· 3 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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· 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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Specifications
627 cc
500 cc
163 cc
724 cc
Vanguard V-twin
Intek
GXV Series OHV Commercial-duty
V-twin OHV
1-1/8 in
1 in
7/8 in
1 in
Gasoline
Gasoline
Gasoline
Gasoline
Electric
Electric
Recoil
Electric
0.25 in
0.25 in
-
0.25 in
Vertical
1 x 3.15 In
-
Vertical
2
1
1
2
Cast Iron
Cast Iron
Cast Iron
Cast Iron
23 HP
-
4.3 HP
25 HP
No
No
Yes
No
1.5 qt
1.5 qt
0.69 qt
2 qt
No
No
-
No
No
No
-
No
3,600
3,300
3,600
3,300
No
No
-
No
Counter Clockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Mechanical
Mechanical
Centrifugal Mechanical
Mechanical
Electronic
Electronic
Electronic
Electronic
Float
Float
Float
Yes
Full Pressure
Splash
Splash
Full Pressure
Ball
Plain
-
Ball
Yes
Yes
Yes
Yes
Air
Air
Air
Air
2.97 in
3.56 in
2.7 in
3.12 in
2.76 in
3.06 in
1.8 in
2.89 in
Single Element
Dual Element
Dual Element
Single Element
Remote
Remote
Manual
Remote
Yes
Yes
-
Yes
16
9
-
16
No
Yes
Yes
No
93 lb
lb
lb
91.0000 lb
-
3.15 in
3.18 in
3.15 in
-
8.5:1
8.0:1
-
-
Manual
Remote
Automatic
-
10 in
8 in
-
-
19.0 x 16.0 x 13.0 in
16.31 x 14.12 x 13.87 in
19.12 x 18.0 x 15.5 in
-
-
7.1 ft-lbs.
-
-
-
1.9 qt
-
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