The Briggs & Stratton 21R807-0072-G1 features a 591760 ring gear flywheel and is compatible with the 593934 starter, allowing for an electric start installation without needing to replace the flywheel; only the starter and wiring are necessary. You can purchase the starter through our sister company, Jacks Small Engines. For pricing and availability, please visit www.JacksSmallEngines.com.
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Briggs & Stratton Intek Vertical OHV Engine, 344cc, 1in. x 3 5/32in. Shaft, Model# 21R807-0072-G1

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- Model# 21R807-0072-G1, Genuine 344cc Briggs & Stratton engine delivers 11.5 gross HP for reliable power
- Dura-Bore™ cast iron cylinder sleeve provides improved oil control for extended engine life
- Float carburetor for consistent easy starting
- Maintenance-free Magnetron electronic ignition for quick, dependable starts
- Rewind start backup
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Description
Key Specs
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Q & A
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Product Summary
What's Included
- (1) Engine
Features + Benefits
- Model# 21R807-0072-G1, Genuine 344cc Briggs & Stratton engine delivers 11.5 gross HP for reliable power
- Dura-Bore™ cast iron cylinder sleeve provides improved oil control for extended engine life
- Float carburetor for consistent easy starting
- Maintenance-free Magnetron electronic ignition for quick, dependable starts
- Rewind start backup
- Dual-Clean™ air cleaner pleated paper filter with foam pre-cleaner ensures maximum protection for extended engine life
- Splash lubrication system continuously supplies oil to all internal parts
- OHV design runs cooler and cleaner for long life and improved fuel economy
- Patented linear balancing system provides smoother performance
- Mechanical Governor system
- Buyer protection package provides 2-year limited consumer engine warranty
- Not for sale in CA
- Intek Series, Single Cylinder, Air Cooled, 4-Cycle Gas Engine, 1" x 3-5/32" Crankshaft
Key Specs
| Attribute | Specification |
|---|---|
item# | 75015 |
Brand | Briggs & Stratton |
Manufacturer's Warranty | 24 months parts/24months labor |
Ship Weight | 72.0 LB |
Engine Displacement | 344 cc |
Engine Type | Intek OHV |
Shaft Diameter | 1 in |
Shaft Length | 3.15 in |
Fuel Type | Gasoline |
Start Type | Electric and Recoil |
Shaft Keyway | 0.25 in |
Crankshaft | 1 x 3.15 In |
Cylinders (qty.) | 1 |
Cylinder Bore | Cast Iron |
Net Power Output | 11.5 HP |
Fuel Tank | No |
Oil Capacity | 1.5 qt |
Low Oil Shutdown | No |
Low Oil Alert | No |
Max. RPM | 3,300 |
| Attribute | Specification |
|---|---|
CARB Approved | No |
Shaft Rotation (From PTO Shaft Side) | Counter Clockwise |
Governor System | Mechanical |
Ignition System | Electronic |
Carburetor | Yes |
Lubrication System | Splash |
Bearing Type | Plain |
Auto Compression Release | Yes |
Cooling System | Air |
Bore | 3.44 in |
Stroke | 2.26 in |
Air Cleaner Type | Single Element |
Choke Control | Automatic |
Throttle Control | Remote |
Fuel Filter | Yes |
Charging System Amps | 3 |
Muffler Included | Yes |
Product Weight | 72.0000 lb |
Dimensions L x W x H (in.) | 16.5 x 16.0 x 13.0 in |
Reviews
Questions & Answers
Questions
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· a month ago
Hi can I add electric start to this? flywheel , starter..
1 answer-
ProductExpert29· a month ago
Helpful?
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Anonymous· a month ago
What is the length of the keyway
1 answer-
ProductExpert6· a month ago
The length of the keyway is 1 1/2 inches.
Helpful?
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· 2 years ago
Where is the oil filter located?
1 answer-
ProductExpert11· 2 years ago
The engine does not have an oil filter. It will only have an air filter and fuel filter.
Helpful?
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· 3 years ago
Is there a choke on this engine?
1 answer-
ProductExpert6· 3 years ago
The choke on this engine is a manual choke and is built into the same lever as the throttle control.
Helpful?
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· 3 years ago
What is the torque rating of this engine
1 answer-
ProductExpert29· 3 years ago
Torque ratings are not available from the manufacturer.
Helpful?
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· 3 years ago
Is this a 18.5 go
1 answer-
ProductExpert6· 3 years ago
This engine would be rated at 11.5 HP (horsepower).
Helpful?
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· 3 years ago
does this motor have a fuel tank? the photo don`t show one
1 answer-
ProductExpert38· 3 years ago
This engine requires an external gas tank.
Helpful?
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· 4 years ago
Does engine require a battery? And does it have a alternator?
1 answer-
ProductExpert11· 4 years ago
The engine will require a battery. The engine does come with a 5 amp alternator.
Helpful?
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· 4 years ago
What is a remote throttle
1 answer-
ProductExpert37· 4 years ago
The ETC (Electronic Throttle Control) functions as a throttle when an electronically governed engine must be controlled from a remote location. The electronic throttle control allows the operator to control engine rpm.
Helpful?
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· 4 years ago
I have a B&S- model 287707 1255-E3... would this fit?
1 answer-
ProductExpert31· 4 years ago
This engine will have a matching shaft diameter and length as well as a matching bolt pattern. It could be used as a replacement provided the original 14 HP is not required. This engine is rated for 11.5 HP.
Helpful?
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Warranty
Manufacturer's Warranty
24 months parts/24months 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
344 cc
389 cc
570 cc
25 cc
Intek OHV
GXV Series OHV Commercial-duty
Vanguard Twin
GX Series OHC
1 in
1 in
1 in
-
3.15 in
3.11 in
3.18 in
-
Gasoline
Gasoline
Gasoline
Gasoline
Electric and Recoil
Electric and Recoil
Recoil
Recoil
0.25 in
0.25 in
-
-
1 x 3.15 In
D Type
Vertical
-
1
1
2
1
Cast Iron
Cast Iron
Cast Iron
Cast Iron
11.5 HP
10.2 HP
18 HP
1 HP
No
Yes
No
Yes
1.5 qt
1.2 qt
1.5 qt
0.08 qt
No
No
No
-
No
No
No
-
3,300
3,600
3,600
7,000
No
-
No
-
Counter Clockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Mechanical
Centrifugal Mechanical
Mechanical
-
Electronic
Electronic
Electronic
Transistorized Magneto
Yes
Float
Float
Diaphragm (overflow Return)
Splash
Pressure/splash
Full Pressure
Pressure
Plain
Ball
-
Ball
Yes
Yes
Yes
Yes
Air
Air
Air
Air
3.44 in
3.2 in
2.83 in
1.37 in
2.26 in
2.5 in
2.76 in
1 in
Single Element
Dual Element
Dual Element
Semi-dry
Automatic
Remote
-
Manual
Remote
Remote
-
Manual
Yes
Yes
Yes
Yes
3
3
9
-
Yes
Yes
No
Yes
72.0000 lb
lb
87.0000 lb
lb
16.5 x 16.0 x 13.0 in
17.0 x 15.0 x 15.87 in
22.25 x 19.62 x 19.62 in
7.6 x 8.7 x 9.1 in
-
17.8 ft-lbs.
-
0.74 ft-lbs.
-
7.7:1
-
8:1
-
2.2 qt
-
0.61 qt
-
10 in
-
2.6 in
-
-
-
3.4 in
-
-
-
2.3 in
-
-
-
2.3 in
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