Briggs & Stratton Vertical Professional Engine - 540cc - 19HP - 1" Shaft - E-Start Only World-class performance – time after time. With commercial-grade power, easy starting and quiet operation, the Professional Series riding mower engine delivers great results for your toughest jobs. And it keeps delivering, because this mower engine is built to last with our exclusive Advanced Debris Management System, chrome-plated exhaust valves and other durable features. Gross Horsepower - 19HP Displacement (cc) - 540cc Oil Capacity (L) - 1.9 Warranty - 2 Year Features Professional Series™ rider mower engines Single cylinder and V-twin engines offer the best of both worlds: world-class endurance and power. Advanced Debris Management System Keeps the engine clean by deflecting and ejecting grass and debris for a longer engine life. Anti-Vibration System - AVS® Provides a smoother ride and more comfort. ReadyStart® Engine Starting System No prime, no choke, no worries. Just pull for power. Specifications Engine Type - Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve) Gross Power HP* (kW) @3'600 rpm - 19 Engine Displacement (cc) - 540 Cylinder - Cast Iron Sleeve Bore (mm) - 94.0 Stroke (mm) - 77.8 Oil Capacity (L) - 1.40 Weight (kg) - 29.5 Length (mm) - 479 Width (mm) - 411 Height (mm) - 327 Engine Series - Professional Series™ (Single Cylinder) *Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs &