This model has a recoil start.
Briggs & Stratton Commercial Turf Series Twin Cylinder OHV Vertical Shaft Engine, 20HP, 1in. x 3 5/32in. Shaft, Model# 40T876-0009-G1
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- Specially designed for zero turn mowers and other high-debris applications
- Maintenance-free electronic ignition
- Heavy-duty recoil start mechanism makes this motor fast and easy to start
- Integrated Cyclonic Air Cleaner provides advanced protection against airborne debris entering the engine
- Over Head Valve (OHV) technology combines with a V-Twin cylinder to deliver true commercial power in a well-balanced engine design
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Specifications
Specifications
Briggs & Stratton Commercial Turf Series Twin Cylinder OHV Vertical Shaft Engine, 20HP, 1in. x 3 5/32in. Shaft, Model# 40T876-0009-G1
Honda Engines, HONDA 13HP ES, Engine Displacement 389 cc, Engine Type GXV Series OHV Commercial-duty, Shaft Diameter 1 in, Model# GXV390UT1DEX3
Briggs & Stratton Vertical OHV V-Twin Engine, 25HP, 724cc, 1in. x 3 5/32in. Shaft, Model# 44T977-0009-G1
Briggs & Stratton Vertical OHV Engine, 724cc, 1 1/8in. x 4 19/64in. Shaft, Model# 44S977-0033-G1
Engine Displacement
Same
656 cc
389 cc
724 cc
724 cc
Engine Type
Same
Commercial Turf Series Twin OHV
GXV Series OHV Commercial-duty
V-twin OHV
Professional Series OHV
Shaft Diameter
Same
1 in
1 in
1 in
1-1/8 in
Shaft Length
Same
3.15 in
3.11 in
3.15 in
4.29 in
Fuel Type
Same
Gasoline
Gasoline
Gasoline
Gasoline
Start Type
Same
Recoil
Electric and Recoil
Electric
Electric
Crankshaft
Same
Vertical
-
Vertical
Vertical
Cylinders (qty.)
Same
2
1
2
2
Cylinder Bore
Same
Cast Iron
Cast Iron
Cast Iron
Cast Iron
Net Power Output
Same
20 HP
10.2 HP
25 HP
25 HP
Fuel Tank
Same
No
Yes
No
No
Oil Capacity
Same
2 qt
1.2 qt
2 qt
2 qt
Low Oil Shutdown
Same
No
-
No
No
Low Oil Alert
Same
No
No
No
No
Max. RPM
Same
3,400
3,600
3,300
3,400
CARB Approved
Same
No
-
No
No
Shaft Rotation (From PTO Shaft Side)
Same
Counter Clockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Governor System
Same
Mechanical
Centrifugal Mechanical
Mechanical
Mechanical
Ignition System
Same
Electronic
Electronic
Electronic
Electronic
Carburetor
Same
Float
Float
Yes
Yes
Lubrication System
Same
Full Pressure
Pressure/splash
Full Pressure
Full Pressure
Auto Compression Release
Same
Yes
-
Yes
Yes
Cooling System
Same
Air
Air
Air
Air
Bore
Same
2.97 in
3.2 in
3.12 in
3.12 in
Stroke
Same
2.89 in
2.5 in
2.89 in
2.89 in
Air Cleaner Type
Same
Single Element
Dual Element
Single Element
Single Element
Choke Control
Same
Remote
Remote
Automatic
Automatic
Fuel Filter
Same
Yes
Yes
Yes
Yes
Charging System Amps
Same
9
3
16
16
Muffler Included
Same
No
Yes
No
No
Product Weight
Same
84.0000 lb
lb
91.0000 lb
87.0000 lb
Dimensions L x W x H (in.)
Same
20.0 x 17.5 x 19.0 in
17.0 x 15.0 x 15.87 in
19.12 x 18.0 x 15.5 in
16.0 x 19.0 x 18.0 in
Shaft Keyway
Same
-
0.25 in
0.25 in
0.25 in
Net Torque
Same
-
17.8 ft-lbs.
-
-
Compression Ratio
Same
-
7.7:1
-
-
Fuel Tank Capacity
Same
-
2.2 qt
-
-
Throttle Control
Same
-
Remote
Remote
Remote
Bolt Circle
Same
-
10 in
-
-
Bearing Type
Same
-
-
Ball
Ball