Kohler K582 (23.0 HP, 946 cc) Engine: Specs and Review

Kohler K582 Engine Specs

The Kohler K582 is a 57.73 cu·in (946 cc) twin-cylinder air-cooled four-stroke internal combustion gasoline engine from K-series, made by Kohler Co.

The Kohler K582 engine has an L-head (side valve) design, a horizontal PTO shaft, and a pressurized lubrication system with a positive-pressure oil pump.

This engine has a battery ignition system and a carburettor with a side-draft system. The K582 engine had a paper air cleaner and a full-flow oil filter. An oiled foam pre-cleaner was an option.

It has an 88.9 mm (3.5 in) cylinder bore and 76.2 mm (3 in) piston stroke. This engine delivered 23.3 PS (17.1 kW; 23.0 Horsepower) at 3,600 rpm of horsepower.

The breakdown of the Kohler K582 engine code is as follows:

  • K – K-series
  • 58 – Approximate displacement (cu·in)
  • 2 – Twin cylinders
  • Suffix (engine is available with the following options):
  • S – Electric starter;
  • EP – Electric plant;
  • Q – Quled model;

Kohler K582 Engine Specs

Kohler K582 (23.0 HP, 946 cc) Engine Specifications

Engine Specifications

Type4-stroke, L-head, twin cylinders
Displacement946 cm 3 (57.73 cu-in)
Max. horsepower23.3 PS (17.1 kW; 23.0 HP) at 3,600 rpm
Max. torque (crank PTO)
Fuel systemsidedraft carburettor
Cooling systemForced-air
Ignition systemBattery (generator or alternator) ignition system
Lubricating systemPressurized lubrication
Starting system 
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel tank capacity

Cylinder Head

Valve Arrangement:L-head (sidevalve)

Cylinder block

Compression ratio:
Bore x Stroke88.9 X 76.2 mm (3.5 x 3.0 in)
Sleeve internal diameter88.9127-88.8873 mm (3.5005-3.4995 in)
Piston skirt outer diameter88.7501-88.7095 mm (3.4941-3.4925 in)
Number of piston rings (compression/oil):2 / 1
Ring end gapTop0.254-0.508 mm (0.010-0.020 in)
Second0.254-0.508 mm (0.010-0.020 in)
Connecting rod small end ID22.2428-22.2504 mm (0.8757-0.876 in)
Piston pin’s outer diameter22.2300-22.2352 mm (0.8752-0.8754 in)

Tightening torque specs

Cylinder head bolt48 Nm; 4.9 kg·m; 35 ft·lb
Flywheel156 Nm; 15.9 kg·m; 115 ft·lb
Spark plug25-30 Nm; 2.55-3.06 kg·m; 18-22 ft·lb

Service Information

Max speed3,600 rpm
Valve clearance
Intake valve clearance0.20-0.25 mm (0.0079-0.0098 in)
Exhaust valve clearance0.43-0.48 mm (0.0169-0.0189 in)
Oil system
Oil typeAPI SF or SG
Recommended oilSummer: SAE 30W
Winter: SAE 5W-20, 5W-30
Oil CapacityWithout oil filter: 2.8 L (3.0 US. qt, 2.5 Imp. qt.)
With oil filter: 3.3 L (3.5 US. qt, 2.9 Imp. qt.)
Ignition system
Spark plugChampion: RH10
Spark plug gap0.65 mm (0.0256 in)

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Final Words

This concludes our discussion of the Kohler K582 (23.0 HP, 946 cc) Engine specs and review; however, if you have any questions regarding this article, please submit them in the comment section below. We will do our best to respond to you as soon as possible.

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