Kohler CH621 Command PRO – 18HP V-Twin Walker E3 Engine

Kohler PA CH621 3012 Walker E3 Engine

The Kohler PA CH621 3012 is a 624cc, V-twin, air-cooled, 4-stroke engine designed specifically for use in Walker mowers and other commercial lawn care equipment. Delivering 20 horsepower, it offers reliable power for demanding tasks.SpecificationsEngine Type: V-twin, air-cooled, 4-strokeDisplacement: 624ccHorsepower: 20 HPBore x Stroke: 78mm x 64mmCompression Ratio: 8.0:1Fuel System: Carburetor (Walbro or similar)Cooling System: Air-cooled with full pressure lubricationStarting System: Electric start with recoil backupOil Capacity: 1.9 US quarts (1.8 L)Fuel Tank Capacity: Varies based on application, typically around 5-6 litersIgnition System: Transistorized magnetoLubrication: Full pressure lubrication with an oil filterAir Cleaner: Dual elementRecommended Oil: SAE 10W-30 or 10W-40 (depending on ambient temperature)Idle Speed: 1,600 RPM (may vary depending on application)Operating Speed: 3,600 RPMDimensions (L x W x H): Varies by application, typically compact for installation in mowersDry Weight: Approximately 100-110 lbs (45-50 kg) depending on the model configuration