Kohler Engine - Command Pro CH440

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This is what it takes to be a PRO. Performance-driven features like a heavy-duty air cleaner, forged-steel crankshaft, electronic ignition and cast-iron cylinder liner. KOHLER® Command PRO® is the standard for professional-grade power and performance.

This engine powers the following equipment

  • Log Splitter
  • Generator
  • Pump
  • Tiller
  • Ground Pounder
  • Welder
  • Concrete Saw
  • Edger
  • Go-Kart
  • Air Compressor
  • Hydraulic Power Pack
  • Blower
  • Lawn Vacuum
  • Stump Grinder
  • Concrete Screed
  • Concrete Trowel
  • Cement Mixer
  • Chipper
  • Aerator
  • UTV
  • Pressure Washer
  • Golf Cart
  • Quad-Clean™ all-season four-stage cyclonic air filter - effective engine protection for tough-and-dirty conditions
  • Large-capacity fuel tank means more time working, less time filling
  • Power or repower your equipment without expensive modifications
Engine type

4-cycle, gasoline, OHV, cast iron cylinder liner, aluminum block


Model Command PRO CH440
HP (kW) 1 14(10.5)
Displacement (cc) 24.7 (429)
Bore in (mm) 3.5 (89)
Stroke in (mm) 2.7 (69)
Gross Torque ft lbs (Nm) 1 22.7 (30.8)
Compression Ratio 8.0:1
Dry Weight lbs (kg) 72.8 (33)
Oil Capacity US qts (L) 1.4 (1.3)
Lubrication Splash
Dimensions LxWxH (in)* 16.2 x 17.8 x 17.4
Backpressure Limit 2 40
Certified Power HP (kW) 3 13.4 (10)
Certified RPM 3600
Emissions Compliance
  • EU Stage V
  • EPA Phase III
  • CARB Phase III
Engine Type Commercial


*Length is PTO to recoil cover. Width is fuel tank to muffler. Height is from mounting surface to top of muffler.


1 Power (hp) and Torque (ft lbs) specifications for Kohler general purpose engines are rated pursuant to Society of Automotive Engineers (SAE) J1940 based on gross output testing performed according to SAE J1995 without the air cleaner and muffler. Actual engine power and torque are lower and affected by accessories (air cleaner, exhaust, charging, cooling, fuel pump, etc.), application, engine speed, ambient operating conditions (temperature, humidity and altitude) and other factors. This J1940 / J1995 rating provides consistent measurement to customers who may want to control the intake and exhaust features of the engine. For more information, contact Kohler Co. Engine Engineering Department. Kohler Co. reserves the right to change product specifications, designs and standard equipment without notice and without incurring obligation.

2 Inches of H20 @ 3600 RPM WOT

3 J1995 power and torque certified by 3rd Party Witness