Kohler CH440-3280 14HP 429cc Engine – 1in Shaft
For heavy-duty use, Kohler CH440-3280 sends 14 horsepower to the shaft. A 429cc block backs up the output, and torque peaks at 30.8 Nm. Recoil Start gets it running without a fuss.
- Produces 14 horsepower at rated load
- A 429cc block drives the output
- Peak torque reaches 30.8 Newton-meters
- Shaft measures 1in, horizontal configuration
- Recoil pull gets it running fast
Description
Delivering 14 rated horsepower, the Kohler CH440-3280 horizontal shaft engine drives heavy commercial utility equipment through continuous work shifts without power fade. High-shock kinetic log splitters and asphalt sprayers place severe continuous resistance on drive components, which bakes lightweight engines and burns connecting rod bearings. This 429cc single-cylinder Command PRO engine features an oversized 1-inch output shaft, dual ball bearings, and a Quad-Clean cyclonic air filtration system engineered to stop abrasive airborne dirt.
Dual ball bearings support the induction-hardened output shaft, shielding internal crankcase oil seals from heavy radial belt tension and direct pump drive vibration. Splash lubrication bathes internal moving parts in clean motor oil, while the integrated Oil Sentry mechanism cuts ignition spark if crankcase fluid levels dip low. The forced-air cooling shroud channels ambient air across deep cylinder fins, preventing oil thinning and thermal breakdown during continuous summer operations.
Key Engineering Features of Kohler CH440-3280
- 429cc Commercial OHV Powerplant: Produces 14 gross horsepower and broad torque bands to power heavy hydraulic splitters and pumps.
- 1-Inch Straight Keyed Shaft: Standard commercial diameter matches pump couplings, gearboxes, and multi-groove pulleys.
- Quad-Clean Four-Stage Cyclonic Filter: Separates coarse dirt particles before air contacts the pleated filter element.
- Oil Sentry Low-Oil Shutdown: Breaks ignition ground circuit automatically when crankcase oil falls below safe operating levels.
- Dual Ball Bearing Crank Support: Stabilizes the PTO crankshaft end against severe lateral belt tension and chain drive whip.
- Dual Oil Drain Ports: Permit oil evacuation regardless of equipment mounting constraints to speed up shop service time.
Field Durability & Operational Economy
Built for commercial contractors who track fleet operating expenses, this single-cylinder engine eliminates repetitive maintenance interruptions.
- A rigid aluminum crankcase casting and cast-iron cylinder sleeve maintain internal alignment under severe belt drive tension.
- High combustion efficiency lowers fuel burn per jobsite shift, cutting daily operating expenses across commercial fleets.
- Rental equipment operators and timber processing crews gain dependable power for high-hour machinery.
Equipment Fitment & Repower Applications
Weighing 72.8 pounds dry with an industry-standard 4-bolt horizontal mounting base and 1-inch shaft, this motor repowers heavy hydraulic log splitters, asphalt sealcoat sprayers, high-GPM trash pumps, and concrete flat saws without frame alterations.
Warranty Coverage & Field Maintenance
- Commercial fleet operators receive 3-Year limited factory warranty coverage against component defects.
- Residential and estate owners receive 3-Year complete consumer warranty protection.
Change engine oil after the initial 20 operating hours, then service every 100 hours with SAE 30 or 10W-30 motor oil. Inspect the air filter weekly on dry grading sites, and maintain spark plug gaps at 0.030 inches. Order the Kohler CH440-3280 horizontal shaft engine from Mulmotor.com for guaranteed factory-fresh units, complete manufacturer warranty coverage, and dedicated commercial equipment support.
Kohler Command Pro CH440-3280 Technical Specs
| Brand | Kohler |
| Full Model Code | CH440-3280 |
| Country of Origin | USA/Global |
| Engine Orientation | Horizontal Shaft |
| Engine Type | 4-Stroke, OHV, Single Cylinder |
| Displacement | 429 cc |
| Bore x Stroke | 89 x 69 mm |
| Compression Ratio | 8.0:1 |
| Maximum Output | 10.4 kW (14 HP) @ 3600 RPM |
| Maximum Torque | 30.8 Nm (22.7 lbs-ft) @ 2800 RPM |
| Specific Fuel Consumption | 3.9 L/hr @ 3600 RPM |
| Fuel Induction System | Carburetor (High Output Tuning) |
| Ignition System | Electronic Ignition |
| Start System | Recoil Start |
| Shaft Specification | 1" (25.4 mm) Tapered Shaft (Generator Build) |
| Fuel Tank Capacity | 7.0 Liters |
| Oil Capacity & Type | 1.1 Liters / SAE 10W-30 |
| Cooling System | Air Cooled |
| Dry Weight | 33.0 kg |
| Dimensions | 411 x 452 x 443 mm |
| Standard Warranty | 3 Years |
| Primary Application | Portable Generators, Industrial Utility Units |












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