Kohler ECV880

Kohler ECV880The Kohler ECV880 is a 824 cc (50.3 cu·in) natural aspirated V-twin four-stroke air-cooled internal combustion small gasoline engine from the Command PRO EFI series with a vertical shaft, manufactured by Kohler Co for general-purpose applications.

A 86.0 mm (3.40 in) cylinder bore and 71.0 mm (2.80 in) piston stroke give the ECV880 engine a total of 824 cc of displacement. The compression ratio rating is 8.9:1.

The ECV880 engine produces 33.5 PS (24.6 KW; 33.0 HP) at 3,600 rpm of maximum horsepower and 68.1 Nm (6.9 kg·m; 50.3 ft·lb) of peak torque.

The Kohler ECV880 features:

  • OHV design
  • Aluminum cylinder block
  • Cast iron cylinder liners
  • Electronic ignition system
  • EFI (electronic fuel injection) system
  • Full pressure lubrication system
  • Electronic governor or mechanical governor
  • Forced air cooling system
  • Electric starter

General information

Engine Specifications
Engine modelCommand PRO EFI ECV880
Engine type4-stroke, OHV, V-twin
Displacement824 cm3, (50.3 cu·in)
Max. horsepower33.5 PS (24.6 KW; 33.0 HP) at 3,600 rpm
Max. torque68.1 Nm (6.9 kg·m; 50.3 ft·lb)
Cooling systemForced air
Air cleanerHigh-efficiency, heavy-duty air filters
Lubricating systemFull pressure
Ignition systemElectronic ignition system
Fuel systemEFI (electronic fuel injection) system
GovernorElectronic or mechanical
Fuel usedUnleaded gasoline (octane number 86 or higher)
Starting systemElectric starter
PTO shaft rotationCounterclockwise (from PTO shaft side)
Dimensions (L x W X H)500 x 521 x 610 mm (19.7 x 20.5 x 24.0 in)
Dry weight61.7 kg (136.0 lbs)

Cylinder Block and Head

Cylinder block
Compression ratio:8.9:1
Cylinder bore:86.0 mm (3.40 in)
Piston stroke:71.0 mm (2.80 in)
Cylinder internal diameter (standard):86.000-86.025 mm (3.3858-3.3868 in)
Number of piston rings (compression / oil):2/1
Thrust face outer diameter (standard):85.956-85.974 mm (3.3841-3.3848 in)
Piston pin diameter:21.996-22.000 mm (0.8660-0.8661 in)
Side clearance (Top):0.040-0.080 mm (0.0016-0.0031 in)
Side clearance (Second):0.030-0.070 mm (0.0012-0.0028 in)
Side clearance (Oil):0.060-0.190 mm (0.0024-0.0074 in)
Ring end gap (Top):0.150-0.300 mm (0.0059-0.0118 in)
Ring end gap (Second):0.650-0.800 mm (0.0256-0.0315 in)
Number of main bearings:2
Crankshaft main journal diameter:44.978-45.000 mm (1.7708-1.7716 in)
Crankpin journal diameter:53.000-53.150 mm (2.0866-2.0925 in)
Cylinder head
Valve arrangement:OHV, gear driven
Valves:2 (4 valves in total)
Valve head diameter (INTAKE):38.600-38.805 mm (1.5197-1.5295 in)
Valve head diameter (EXHAUST):29.370-29.630 mm (1.1563-1.1665 in)
Valve seat angle (INTAKE):89°
Valve seat angle (EXHAUST):89°
Valve seat angle (INTAKE):45°
Valve seat angle (EXHAUST):45°
Valve steam diameter (INTAKE):6.982-7.000 mm (0.2749-0.2756 in)
Valve steam diameter (EXHAUST):6.970-6.988 mm (0.2744-0.2751 in)
Valve margin minimal (INTAKE):1.00 mm (0.0393 in)
Valve margin minimal (EXHAUST):1.00 mm (0.0393 in)
Camshaft journal diameter :19.920-19.975 mm (0.7842-0.7864 in)

Tightening torque specs

Tightening torque specs
Intake manifold mounting16.0 Nm (1.6 kgf·m; 11.8 lb·ft)
Connecting rod cap fastener11.6 Nm (1.2 kgf·m; 8.6 lb·ft)
Cylinder head Step 1: 23.7 Nm (2.4 kgf·m; 17.5 lb·ft)
Step 2: 46.9 Nm (4.8 kgf·m; 34.6 lb·ft)
Flywheel71.6 Nm (7.3 kgf·m; 52.8 lb·ft)
Muffler retaining nuts27.8 Nm (2.8 kgf·m; 20.5 lb·ft)
Spark plug27.0 Nm (2.75 kg·m; 20.0 lb·ft)

Service Data

Engine
Maximum speed:3600±50 rpm
Idle speed:1200±75 rpm
Oil system
Lubrication system:Full pressure
Oil type:API SJ, or higher
Recommended oil:SAE 10W-30, Kohler PRO 10W-50
Oil capacity:2.6 liters (2.75 US.qts, 2.29 Imp. qts)
Ignition system
Type:Electronic ignition system
Spark plug:Champion RA8HC
Spark plug gap:0.76 mm (0.030 in)
Spark plug torque:27.0 Nm (2.75 kg·m; 20.0 lb·ft)

References

1. Kohler Command PRO EFI ECV850, ECV860, ECV870, ECV880 service manual. Kohler Co. 2021.

Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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