21.5 hp, Kohler Command Pro Engine, CH730-3327, 725cc, LP ,Markrite Lines
36.5mm (1 7/16") x 113.2mm (4 5/16"). 5/8-18 UNF Crankshaft Bolt. 9.55 square key
Standard Command PRO Features:
High Efficiency Overhead Valve Design
Zero Maintenance Hydraulic Valvetrain
Cast-Iron Cylinder Liners
High Efficiency, Low-Noise Cooling Fan
Full Pressure Lubrication System to all Bearings
Hardened, Micro-Polished, Dynamic-Balanced Crankshaft
Variable Speed Governor
Easy-to-Identify Yellow Oil Service Points for Valve Cover
Oil Fill and Dipstick
International Emissions Certifications
3 year Unlimited Hour Commercial Warranty
Model Features:
Designed to operate on Liquid Propane (LP) Fuel
Drop-in-Place Design
· Engine-Mounted Propane Fuel Pressure Regulator
· Engine-Mounted Propane Fuel Vaporizer for Liquid Withdrawal
· Engine-Mounted 12V Fuel Shutoff Solenoid
Kohler Low Profile, Dual-Element Air Cleaner System
Easy Start with Digital Spark Advance Ignition and High Torque Solenoid Shift Starter
Engine-Mounted Keyswitch and Engine Controls
20 Amp Regulated Charging System
RFI Compliance
Low Oil Pressure Sentry Protection
3750 rpm high idle setting, 1200 rpm low idle setting