Product Description
Briggs & Stratton 33S877-0019-G1 – 19 HP Intek Vertical Engine 540cc
The Briggs & Stratton 33S877-0019-G1 is a 19 HP Intek Series vertical shaft engine designed for residential and light commercial mower applications. Built on a 540cc single-cylinder OHV platform, this engine delivers dependable torque, smooth performance, and reliable electric starting for lawn tractors and riding mowers.
Engineered with full-pressure lubrication and a spin-on oil filter, the 33S877-0019-G1 provides improved engine protection and durability under regular mowing conditions. Its vertical shaft configuration makes it a common OEM replacement for riding mower and lawn tractor equipment requiring a 1″ keyed crankshaft.
Engine Specifications
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Engine Manufacturer: Briggs & Stratton
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Engine Model: 33S877
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Type Code: 0019-G1
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Engine Series: Intek
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Engine Type: 4-Cycle, Air-Cooled, OHV Single Cylinder
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Horsepower: 19 HP (gross)
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Displacement: 540cc (32.9 cu in)
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Cylinder Configuration: Single Cylinder
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Fuel System: Float-Type Carburetor
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Starting System: Electric Start
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Shaft Orientation: Vertical
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Crankshaft Diameter: 1″
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Crankshaft Length: 3-5/32″
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Crankshaft Thread: 7/16-20 UNF
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Lubrication System: Full-Pressure with Spin-On Oil Filter
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Charging System: 9 Amp Regulated
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Oil Capacity: Approx. 1.5 qt
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Cooling System: Air-Cooled
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Emissions Compliance: EPA compliant
Key Features
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19 HP Intek Series Power – Designed for lawn tractors and residential riding mowers
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540cc OHV Engine Design – Efficient combustion with consistent torque output
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1″ × 3-5/32″ Keyed Crankshaft – Standard vertical shaft configuration
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Electric Start System – Reliable key-start operation
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Full-Pressure Lubrication – Spin-on oil filter for enhanced engine protection
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Cast Iron Cylinder Sleeve – Improved durability and extended service life
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Overhead Valve Technology – Cooler operation and improved fuel efficiency
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9 Amp Regulated Charging System – Supports mower electrical components
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Mechanical Governor System – Stable engine speed under load
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OEM Replacement Configuration – Direct-fit for compatible riding mower platforms
Warranty
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Manufacturer: Briggs & Stratton
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Commercial Warranty: 1-Year Limited
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Consumer / Residential Warranty: 2-Year Limited
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Coverage subject to Briggs & Stratton factory warranty terms, proper installation and maintenance.
***NO RETURNS OR EXCHANGES ON ENGINES. ALL ENGINE SALES ARE FINAL.
ALL ENGINES ARE BRAND NEW WITH FULL FACTORY WARRANTY.
KOHLER ENGINES ARE ELIGIBLE FOR A 1 YEAR EXTENDED WARRANTY WITH PURCHASE OF MAINTENANCE/SERVICE KIT.***
