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Kohler CH440-3038 Hori fozontal Command PRO Engine, 2:1 Gear Reduction with Clutch

The Kohler CH440-3038 Command PRO is a commercial-grade horizontal engine equipped with an integrated 2:1 reduction gearbox and wet centrifugal clutch. Its 429cc four-stroke OHV design delivers 14 gross horsepower and 22.7 lb-ft of peak torque, providing dependable power for tillers, utility vehicles, industrial machinery, agricultural equipment, and other applications requiring reduced output speed.

Key Features

  • Commercial-grade 429cc OHV engine
  • 14 gross horsepower
  • 22.7 lb-ft maximum torque
  • Integrated 2:1 reduction gearbox
  • Wet centrifugal clutch
  • 22mm keyed output shaft
  • Electric and recoil starting
  • 10-amp charging system
  • Quad-Clean four-stage air cleaner
  • Oil Sentry low-oil protection
  • Forged-steel crankshaft
  • Cast-iron cylinder liner
  • Large-capacity fuel tank
  • Muffler and heat shield included
  • Three-year limited manufacturer warranty

Specifications

Specification Details
Manufacturer Kohler / Rehlko
Product series Command PRO
Model CH440-3038
Manufacturer part number PA-CH440-3038
Engine specification E09 Basic 2:1
Engine type Four-stroke OHV, single-cylinder
Shaft orientation Horizontal
Displacement 429cc (24.7 cu. in.)
Gross power 14 HP (10.5 kW) at 3,600 rpm
Certified power Approximately 13.4 HP (10 kW) at 3,600 rpm
Maximum torque 22.7 lb-ft (30.8 Nm)
Bore × stroke 3.5″ × 2.7″ (89 × 69 mm)
Compression ratio 8.0:1
Maximum governed speed Approximately 3,750 rpm
Cooling system Forced-air
Ignition system Electronic
Governor Mechanical, variable speed
Starting system 12V electric and recoil
Charging system 10 amp
Gear-reduction ratio 2:1
Gearbox drive Chain and sprocket
Clutch type Wet centrifugal clutch
Output speed Approximately half engine speed
Full clutch engagement Approximately 2,400 engine rpm or higher under load
Output shaft type Straight and keyed
Output shaft diameter 22mm
Keyway Approximately 7mm wide × 34mm long
Shaft-end thread M8 × 1.25
PTO mounting face Approximately 53mm
Output rotation Counterclockwise viewed from output end
Air cleaner Quad-Clean four-stage cyclonic
Engine lubrication Splash
Engine oil capacity 1.4 US qt (1.3 L)
Recommended engine oil SAE 10W-30
Gearbox lubrication Separate from engine crankcase
Gearbox oil type SAE 20W-40 or 20W-50
Gearbox oil capacity 0.52 US qt (0.5 L)
Gearbox oil interval Every 50 operating hours
Low-oil protection Oil Sentry
Fuel Unleaded gasoline
Fuel tank capacity Approximately 7.4 US qt (7.0 L)
Fuel shutoff valve Included
Controls Manual throttle and choke
Muffler Included
Listed shipping weight Approximately 108 lb
Warranty Three-year limited manufacturer warranty
Suggested successor CH440-3278; verify configuration before substitution

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