Kohler KG80R-QS (80kW) product details and specifications:

Generator Set Ratings 

• Alternator: 4T9X 

• Voltage: 120/240 V 

• Phase: 1 (Single Phase) 

• Frequency: 60 Hz 

• Natural Gas Standby Rating: 80 kW/80 kVA, 334 Amps 

• LP Gas Standby Rating: 80 kW/80 kVA, 334 Amps 

• Line Circuit Breaker: 350 Amps 

• Rated Power Factor: 1.0 (single-phase) 

Alternator Specifications 

• Manufacturer: Kohler 

• Type: 4-Pole, Rotating-Field 

• Exciter Type: Brushless, Rare-Earth Permanent Magnet 

• Leads: 4, 120/240 V (4TX) 

• Voltage Regulator: Solid State, Volts/Hz 

• Insulation Material: Class H (NEMA MG1) 

• Temperature Rise: 130°C, Standby 

• Bearing: 1, Sealed 

• Coupling: Flexible Disc 

• Amortisseur Windings: Full 

• Voltage Regulation, No-Load to Full-Load: ±0.5% 

• One-Step Load Acceptance: 100% of Rating 

• Unbalanced Load Capability: 100% of Rated Standby Current 

• Peak Motor Starting kVA (240V, 4T9X, 4-lead): 237 (60 Hz) 

• Total Harmonic Distortion (THD): Less than 3.2% 

Engine Specifications 

• Manufacturer: Kohler 

• Engine Model: KG6208TSD / KG6208TSC, 6.2 L Turbocharged, Aftercooled 

• Cylinder Arrangement: V-8 

• Displacement: 6.2 L (378 cu. in.) 

• Bore and Stroke: 4.00 x 3.75 in. 

• Compression Ratio: 9.8:1 

• Rated RPM: 1800 

• Max. Power at Rated RPM (Natural Gas): 126 HP 

• Max. Power at Rated RPM (LPG): 127 HP 

• Cylinder Head Material: Cast Aluminum 

• Piston Type and Material: Cast Aluminum 

• Crankshaft Material: Cast Iron 

• Valve (Exhaust) Material: Forged Steel 

• Governor Type: Electronic, Isochronous 

• Frequency Regulation, Steady State: ±1.0% 

• Air Cleaner Type: Dry 

Fuel System 

• Fuel Type: Natural Gas, LP Gas, or Dual Fuel 

• Fuel Supply Line Inlet: 1.25 in. NPT 

• Fuel Supply Pressure: 7–11 in. H2O (1.74–2.74 kPa) 

• Simple field conversion between natural gas and LP vapor fuels 

Lubrication System 

• Type: Full Pressure 

• Oil Pan Capacity: 6.0 qt. 

• Oil Pan Capacity with Filter and Oil Cooler: 8.5 qt. 

• Oil Filter: 1, Cartridge 

Cooling System 

• Ambient Temperature Rating: 113°F (45°C) 

• Engine Jacket Water Capacity: 1.93 gal. 

• Radiator System Capacity (including engine): 6.0 gal. 

• Water Pump Type: Centrifugal 

• Fan Diameter (including blades): 28 in. 

Engine Electrical System 

• Ignition System: Coil Pack 

• Battery Charging Alternator Ground: Negative 

• Battery Charging Voltage: 12 VDC 

• Ampere Rating: 130 A 

• Starter Motor Rated Voltage: 12 VDC 

• Battery, Recommended Cold Cranking Amps: One, 650 CCA at 0°F 

Controller 

• Kohler APM402 Controller 

• Digital display and menu control for local data access 

• Measurements selectable in metric or English units 

• Remote communication via PC over network or serial configuration 

• Modbus protocol supported 

• Integrated hybrid voltage regulator with ±0.5% regulation 

• Built-in alternator thermal overload protection 

• NFPA 110 Level 2 capability 

Sound Enclosure 

• Sound Level: 67 dB(A) at 23 ft. (7 m), normal operation 

• Acoustic insulation meets UL 94 HF1 flammability classification 

• Vertical air inlet/outlet with 90-degree bends to reduce noise 

• Internal-mounted critical silencer and flexible exhaust connector 

• Construction: Skid-mounted, steel 

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

• Lockable, flush-mounted door latches 

Standard Features 

• Air Cleaner Restriction Indicator 

• Alternator Protection 

• Battery Rack and Cables 

• Battery Charger, 12 V, 6 A 

• Block Heater, 1500 W 

• cUL/UL 2200 Listed, CSA Certified 

• Electronic, Isochronous Governor 

• Engine Fluids Added (Oil & Coolant) 

• Flexible Fuel Line 

• Gas Fuel System (fuel mixer, secondary gas regulator, gas solenoid valve, flexible fuel line) 

• Integral Vibration Isolation 

• Line Circuit Breaker, Thermal Magnetic, 80% Rated, 3 Pole 

• Local Emergency Stop Switch 

• Oil Drain Extension 

• Operation and Installation Literature 

• Rodent Guards 

• Secondary Gas Solenoid Valve 

• Steel Sound Enclosure 

• 5-Year/2,000-Hour Basic Warranty 

Dimensions and Weight 

• Overall Size (L x W x H): 138.8 x 45.4 x 65.5 in. 

• Weight, Wet, with Steel Sound Enclosure: 3,146 lbs. 

product specifications:

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