The Briggs and Stratton 44P777 is a 724 cc (44.2 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton.
The B&S 44P777 engine has an OHV (overhead valve) design and a vertical PTO shaft. This engine is equipped with float type carburetor and an electronic ignition system. The B&S 44P777 engine used Dual-Clean air cleaner (paper element with a foam pre-cleaner).
It has an 79.24 mm (3.12 in) cylinder bore and 73.41 mm (2.89 in) piston stroke. This engine produced 26.4 PS (19.4 kW; 26.0 HP) at 3,600 rpm of horsepower.
The breakdown of the engine code is as follows:
- 44 – Displacement
- P – Basic design series
- 7 – Vertical PTO-shaft
- 7 – Plain bearing, Pressure lubrication
- 7 – Electric starter
|Type||4-stroke, OHV, V-twin|
|Displacement||724 cm 3 (44.2 cu-in)|
|Max. horsepower||26.4 PS (19.4 kW; 26.0 HP) at 3,600 rpm|
|Fuel system||Float typet carburetor|
|Lubricating system||Full pressure lubrication system with spin-on oil filter|
|Starting system||Electric starter|
|Fuel tank capacity||–|
Cylinder Block and Head
|Bore x Stroke||79.24 mm X 73.41 mm (3.12 x 2.89 in)|
|Number of piston rings (compression / oil):||2 / 1|
|Valves:||4 (2 per cylinder)|
|Max speed||3,600 rpm|
|Intake valve clearance||0.10-0.15 mm (0.004-0.006 in)|
|Exhaust valve clearance||0.10-0.15 mm (0.004-0.006 in)|
|Oil type||API SF, SG, SH, SJ or higher|
Summer: SAE 30, 10W-30
Winter: SAE 5W-30
|Oil capacity (with filter)||1.9 liters (2.01 US.qts, 1.67 Imp. qts)|
|Spark plug||Champion RC12YC|
|Spark plug gap||0.7-0.8 mm (0.0276-0.0315 in)|
We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.
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