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

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 carburettor
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 Head

Valve Arrangement: L-head (sidevalve)
Valves: 2

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’s outer diameter 22.2300-22.2352 mm (0.8752-0.8754 in)

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

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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Final Words

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