2019 Generac 200kW Gaseous Generator SG/MG200

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200kW Gaseous Generator SG/MG200



These generators are equipped with a heavy-duty, industrial-grade engines that stand up to extreme conditions inside and outside. That applies to our factory-built enclosures as well.

  • Generator Enclosure: Generac manufactures its own enclosures, ensuring each unit combines the highest level of durability, noise reduction, weather resistance, and streamlined design.
  • Generac Spark-Ignited Engine: Generac builds its spark-ignited engines from the block up utilizing advanced engineering expertise.
  • Industrial Alternator: Generac industrial alternators are machine wound, machine inserted, and machine varnished for the ultimate in consistency.
  • PowerManager® Controller: Generac engineers its generator controls with safety and convenience as top priorities.
  • Generator Paralleling: Generac's Modular Power Systems (MPS) boast a rate of up to 99.999% reliability, and are more cost-effective and flexible than single generators with the same load capacity.
Engine Specifications
  • Make: Generac
  • Cylinder #: 6
  • Type: In-line
  • Displacement - L (Cu In): 14.17 (864.71)
  • Bore - mm (in): 135 (5.31)
  • Stroke - mm (in): 165 (6.50)
  • Compression Ratio: 9.5:1
  • Intake Air Method: Turbocharged/Aftercooled
  • Number of Main Bearings: 7
  • Connecting Rods: Carbon Steel
  • Cylinder Head: Cast Iron GT250, OHV
  • Cylinder Liners: Ductile Iron
  • Ignition: Altronic CD1
  • Piston Type: Aluminum
  • Crankshaft Type: Ductile Iron
  • Lifter Type: Solid
  • Intake Valve Material: Special Heat- Resistant Steel
  • Exhaust Valve Material: High Temp Alloy Steel
  • Hardened Valve Seats: High Temp Alloy Steel
Engine Governing
  • Governor: Electronic
  • Frequency Regulation (Steady State): ±0.25%
Lubrication System
  • Oil Pump Type: Gear
  • Oil Filter Type: Twin Full-flow with Intercooler
  • Crankcase Capacity - L (qts): 34.3 (36.2)
Cooling System
  • Cooling System Type: Pressurized Closed Recovery
  • Fan Type: Pusher
  • Fan Speed (rpm): 1,894
  • Fan Diameter - mm (in): 762 (30)
Fuel System
  • Fuel Type: Natural Gas
  • Carburetor: Down Draft
  • Secondary Fuel Regulator: Standard
  • Fuel Shut Off Solenoid: Standard (Dual)
  • Operating Fuel Pressure: 7” - 11” H2O
Engine Electrical System
  • System Voltage: 24 VDC
  • Battery Charger Alternator: Standard
  • Battery Size: See Battery Index 0161970SBY
  • Battery Voltage: (2) - 12 VDC
  • Ground Polarity: Negative
SG = single unit, gaseous fuel MG = modular/paralleling unit, gaseous fuel



Engine Type
Generac In-line 6
14.17 L (864.71 cu.in.)


AC Output
200 kW

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