Kohler K582

Kohler K582The Kohler K582 is a 946 cc, (57.73 cu·in) twin-cylinder air-cooled four-stroke internal combustion gasoline engine from K-series, manufactured by Kohler Co.

The Kohler K582 engine has an L-head (side valve) design, horizontal PTO-shaft, and pressurized lubrication system with a positive pressure oil pump. This engine is equipped with side-draft carburetor and battery ignition systems. The K582 engine used paper air cleaner (oiled foam pre-cleaner was available as an option) and full-flow type oil filter.

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

The breakdown of the engine code is as follows:

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

General information

Engine Specifications
Model K582
Type 4-stroke, L-head, twin cylinders
Displacement 946 cm 3 (57.73 cu-in)
Max. horsepower 23.3 PS (17.1 kW; 23.0 HP) at 3,600 rpm
Max. torque (crank PTO)
Fuel system Sidedraft carburetor
Cooling system Forced-air
Ignition system Battery (generator or alternator) ignition system
Lubricating system Pressurized lubrication
Starting system
Fuel used Unleaded gasoline (octane number 86 or higher)
Fuel tank capacity

Cylinder Block and Head

Cylinder block
Compression ratio:
Bore x Stroke 88.9 X 76.2 mm (3.5 x 3.0 in)
Sleeve internal diameter 88.9127-88.8873 mm (3.5005-3.4995 in)
Piston skirt outer diameter 88.7501-88.7095 mm (3.4941-3.4925 in)
Number of piston rings (compression / oil): 2 / 1
Ring end gap Top 0.254-0.508 mm (0.010-0.020 in)
Second 0.254-0.508 mm (0.010-0.020 in)
Connecting rod small end ID 22.2428-22.2504 mm (0.8757-0.876 in)
Piston pin outer diameter 22.2300-22.2352 mm (0.8752-0.8754 in)
Cylinder Head
Valve Arrangement: L-head (sidevalve)
Valves: 2

Tightening torque specs

Tightening torque specs
Cylinder head bolt 48 Nm; 4.9 kg·m; 35 ft·lb
Flywheel 156 Nm; 15.9 kg·m; 115 ft·lb
Spark plug 25-30 Nm; 2.55-3.06 kg·m; 18-22 ft·lb

Service Information

Engine
Max speed 3,600 rpm
Valve clearance
Intake valve clearance 0.20-0.25 mm (0.0079-0.0098 in)
Exhaust valve clearance 0.43-0.48 mm (0.0169-0.0189 in)
Oil system
Oil type API SF or SG
Recommended oil Summer: SAE 30W
Winter: SAE 5W-20, 5W-30
Oil capacity Without 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 plug Champion: RH10
Spark plug gap 0.65 mm (0.0256 in)
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.

1 Comment

  1. Hello, We are looking for a replacement engine. We have a K582S with Spec number 36274.
    Our engine is mounted on a rope pulling rig for underground electrical construction. Is there a new model with the same specs, bolt patterns as this one. Thank you, Charles Royal

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