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Kohler engine KDI 1903 M

Diesel Kohler engine KDI model 1903M

The KDI 1903M is the effective, functional and innovative response to the demands of a market ncreasingly oriented to more compact engines and with high power density, low power consumption, for an high performance productivity and effective emission containment strategy, but, at the same time, easy to handle both in technical and maintenance terms. The Kohler KDI 1903M is a highly versatile 3-cylinder liquid-cooled engine, used both as an agricultural engine (as engine for rotary hoes, motocultivator, etc.) as well as engine for generator set, compressor and pressure washer.


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Owner Manual Kohler KDI 1903M

  • 4 stroke diesel with cylinder in line
    Liquid cooling
    4 valves per cylinder
    In crankcase camshaft, gear train driven
    Pushrod - rocker arms timing with hydraulic tappets
    Cast iron crankcase with bed-plate
    Cast iron cylinder head
    Closed crankcase ventilation system
    Bore (mm)88
    Stroke (mm)102
    Displacement (cm3)1861
    Injection SystemDI
    Injection EquipmentMech-Rotary pump
  • Kohler engine KDI 1903M Performance curves
    Emission complianceSTAGE III A
    Power (kW/HP)
    Max Power (IFN-ISO 3046
    and ISO 14396) (kW@rpm)
    Max Torque (IFN-ISO 3046
    and ISO 14396) (kW@rpm)
    Low-end torque (Nm@1000 rpm)80
    Best point (g/kWh)223
    Max power (g/kWh@2600)237
  • H × L × W (fan excluded) (mm)667.5x598.3x452.5
    Dry weight (kg)210
    Daily service points - positions1 side service
    Ambient operating temps (°C)-40° +50°
    Gradeability-all round (continous) (deg)25°
    Gradeability-all round (intermittent-1min) (deg)35°
    Kohler engine KDI 1903M Dimensions
  • Oil/filter change interval std/synthetic (hr)500-750
    Oil consumption (% fuel)<0.1
    Alternator belt replacement36 mesi
    Coolant change24 mesi
    Oil typeAPI ch4 - SAE 10W40
    Heat rejection to coolant
    (includes oil cooler) (kW)
    Max engine excitation
    at mounting locations
    Auxiliary ptos3° and 4° optional
    Max torque (Nm)100
    Drive ratio1:1.23
    Provision for a double
    tandem hydraulic pump
    GR. 2

    Produced at KOHLER Engines Diesel plants in Reggio Emilia.

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