Basic Information

  • System ModelKohler 60REOZK
  • Company Name Global Dynamic Solutions
  • Last updated dateJan. 6, 2025

Standard Features

60REOZK

Alternator Specifications

  • ManufacturerKohler (4R9X)
  • Type4-Pole, Rotating -Field
  • Exciter typeBrushless, Rare Earth Permanent Magnet
  • Leads quantity12 Reconnectable 4, 110-120/220-240V
  • Voltage regulatorSolid State, Volts/Hz
  • InsulationNEMA MG1
  • MaterialClass H
  • Temperature rise130 C
  • Bearing quantity type1 Sealed
  • CouplingFlexible Disc
  • Amortisseur windingsFull
  • One step load acceptance100%
  • Unbalanced load capability100%
  • Voltage regulation no load to full load RMSController Dependent

Engine Specifications

  • Engine ManufacturerKohler (60REOZK)
  • Engine Model3404TM
  • Type4-Cycle, Turbocharged
  • Cylinder arrangement4 Inline
  • Displacement, L (cu. in.)3.4 L (207 cu. in.)
  • Bore and stroke, mm (in.)96 x 116 (3.28 x 4.57)
  • Compression ratio18.5:1
  • Piston speed, m/min. (ft./min.)418 (1371)
  • Electrical
  • Frequency regulation, no-load to-full loadDroop, 5%
  • Frequency regulation, steady state.5%
  • Rated rpm1800
  • Main bearings: quantity, type5 Replaceable Insert
  • Max. power at rated rpm, kWm (BHP)70 (94)
  • Cylinder head materialCast Iron
  • Crankshaft materialCast Iron
  • Governor: type, make/modelMechanical
  • Frequency regulation, no-load to-full loadNon-portable
  • Steady state .5%
  • Air cleaner type, all modelsDry

Exhaust System

  • Exhaust Manifold TypeDry (60REOZK)
  • Exhaust flow at rated kW, kg/hr. (cfm)14.3 (505)
  • Maximum allowable back pressure after catalyst, kPa (in. Hg)9 (2.7)
  • Exhaust temperature at rated kW, dry exhaust, °C (°F)490 (914)
  • Exh. outlet size at eng. hookup, mm (in.)63.5 (2.5)
  • Maximum allowable back pressure, kPa (in. Hg)9 (2.7)

Engine Electrical System

  • Battery charging alternator: Ground (negative/positive)Negative
  • Battery charging alternator: Volts (DC)12
  • Battery charging alternator: Ampere rating70
  • Starter motor rated voltage (DC)12
  • Battery, recommended cold cranking amps (CCA): Qty., CCA rating12
  • Each Battery voltage (DC)One, 630

Fuel System

  • Natural gas/LPG fuel supply pressure, kPa (in. H20). Fuel supply1.74-2.74 (7-11)
  • pressure measured at the generator set fuel inlet downstream of anyNatural Gas

Fuel Composition

  • Natural Gas: Methane, % by volume90 Minutes
  • Natural Gas: Ethane, % by volume4.0 Max Natural Gas
  • Natural Gas: Propane, % by volume1.0 Max
  • Natural Gas: Propene, % by volume1.0 Max
  • Natural Gas: C4 and higher, % by volume.3 Max
  • Natural Gas: Sulfur, ppm mass25 Max
  • Natural Gas: Lower heating value, kJ/m3 (Btu/ft3), min.33.2

Lubrication System

  • TypeFull Pressure (60REOZK)
  • Oil pan capacity, L (qt.)15.3 (16.2)
  • Oil pan capacity with filter, L (qt.)15.6 (16.5)
  • Oil filter: quantity, type1 Cartridge
  • Oil coolerWater-Cooled

Radiator System

  • Ambient temperature, °C (°F)50 (122)
  • Engine jacket water capacity, L (gal.)4.5 (1.19)
  • Engine jacket water flow, Lpm (gpm)125 (33)
  • Heat rejected to cooling water at rated kW, dry exhaust, kW (Btu/min.)43 (2447)
  • Water pump typeCentrifugal (60REOZK)
  • Fan diameter, including blades, mm (in.)597 (23.5)
  • Fan, kWm (HP)1.8 (2.3)
  • Max. restriction of cooling air, intake and discharge side of radiator, kPA.125 (.5)
  • Notes: 49-State Engine for Kohler (60REOZK)

Air Requirements

  • Radiator-cooled cooling air, m3/min. (scfm) *638 (22500)
  • Combustion air, kg/hr. (cfm)1064 (532)
  • Heat rejected to ambient air: Engine, kW (Btu/min.)66 (3765)
  • Heat rejected to ambient air: Alternator, kW (Btu/min.)23 (1309)

Fuel Consumption

Dimensions and Weights

  • FuelGas (60REOZK)
  • Engine ManufacturerPSI
  • Overall Size, L x W x H, mm (in.):3526 x 1153 x 1696 (139 x 45.4 x 66.8)
  • Weight (radiator model), wet, kg (lb.):Steel 1897 (4183) and Aluminum 1730 (3813)