Kohler 150ERESC-QS8 (150kW) product details and specifications:

General 

• Manufacturer: Kohler 

• Model: 150ERESC 

• Fuel type: Multi-Fuel (Natural Gas / LPG) 

• Application: Stationary standby, served by a reliable utility source 

• Standard 5-year/2000-hour basic warranty 

Generator Set Ratings 

• Alternator: 4T13X 

• Voltage: 120/240V, Single Phase, 60 Hz 

• Natural Gas standby rating: 144 kW / 144 kVA at 600 A 

• LPG standby rating: 134 kW / 134 kVA at 557 A 

• Line circuit breaker: 600 A (field adjustable trip setting) 

Alternator Specifications 

• Type: 4-Pole, Rotating-Field 

• Exciter type: Brushless, Rare-Earth Permanent-Magnet 

• Leads: 4, 120/240 configuration 

• Voltage regulator: Solid State, Volts/Hz 

• Insulation: NEMA MG1, Class H 

• Temperature rise: 130°C, Standby 

• Bearing: 1, Sealed 

• Coupling: Flexible Disc 

• Voltage regulation, no-load to full-load: ±0.5% 

• One-step load acceptance: 100% of rating 

• Peak motor starting kVA (240V, 4-lead): 440 (60 Hz) 

Engine Specifications 

• Manufacturer: PSI 

• Engine: Industrial 8.8 L, 4-Cycle, Turbocharged and Charge Cooled 

• Cylinder arrangement: V-8 

• Displacement: 8.8 L (537 cu. in.) 

• Bore and stroke: 4.35 x 4.5 in. 

• Compression ratio: 10.1:1 

• Main bearings: 5, Bi-Metal Steel and Aluminum 

• Rated RPM: 1800 

• Max. power at rated RPM, NG: 259 HP 

• Max. power at rated RPM, LP: 226 HP 

• Cylinder head material: Cast Iron 

• Governor type: Electronic, Isochronous 

• Frequency regulation, steady state: ±0.5% 

• Air cleaner type: Dry 

Fuel System 

• Fuel type: Natural Gas, LPG, or Dual Fuel 

• Fuel supply line inlet: 1.5 NPTF 

• Natural gas fuel supply pressure: 7–11 in. H2O 

• LPG vapor withdrawal fuel supply pressure: 5–11 in. H2O 

• Simple field conversion between natural gas and LP vapor fuels while maintaining emission certification 

Cooling System 

• Ambient temperature rating: 113°F (45°C) 

• Engine jacket water capacity: 3.54 gal. 

• Radiator system capacity, including engine: 5.6 gal. 

• Water pump type: Centrifugal 

• Fan diameter, including blades: 28.0 in. 

Controller 

• Kohler APM402 Controller 

• Digital display and menu control with local data access 

• Measurements selectable in metric or English units 

• Remote communication via PC over network or serial configuration 

• Supports Modbus protocol 

• Integrated hybrid voltage regulator with ±0.5% regulation 

• Built-in alternator thermal overload protection 

• NFPA 110 Level 2 capability 

Enclosure 

• Steel sound-attenuating enclosure with acoustic insulation (UL 94 HF1 flammability classified) 

• Sound level: 70 dB(A) during normal operation, measured at 23 ft. 

• Vertical air inlet and outlet discharge with 90° bends to reduce noise 

• Internal-mounted critical silencer and flexible exhaust connector 

• Skid-mounted construction with hinged, lockable, flush-mounted door latches 

• Fade-, scratch-, and corrosion-resistant Kohler Cashmere Power Armor textured e-coat paint 

Dimensions & Weight 

• Overall size (L x W x H): 139 x 45.4 x 66.8 in. 

• Weight, wet, with steel sound enclosure: 4183 lbs. 

Certifications 

• EPA certified (New Source Performance Standard for stationary spark-ignited emissions) 

• cUL/UL 2200 listed and CSA certified 

• Meets NFPA 110, Level 2, when equipped with necessary accessories 

• Accepted by the Massachusetts Board of Registration of Plumbers and Gas Fitters 

Additional Standard Features 

• Air cleaner restriction indicator 

• Alternator protection 

• Battery rack and cables 

• Battery charger, 12V, 6A 

• Block heater, 1800W 

• Electronic, isochronous governor 

• Engine fluids added (oil & coolant) 

• Flexible fuel line for fuel supply connection 

• Gas fuel system with fuel mixer, electronic secondary gas regulator, and gas solenoid valve 

• Integral vibration isolation 

• Line circuit breaker, 80% rated, 3 pole 

• Local emergency stop switch 

• Oil drain extension 

• Rodent guards 

• Run relay (standard on 600V models) 

• Secondary gas solenoid valve 

• Steel sound enclosure 

• Three-way exhaust catalyst 

• Two input/five output module (standard on 600V models) 

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