2025 Generac Mobile Stationary Generators MG350

Information

2025 Generac Mobile Stationary Generators MG350

Keep all your business’s essentials up and running with a Generac 350kW generator. Take advantage of a durable enclosure that utilizes the highest level of noise reduction. All of our industrial gas generators are completely cost effective and give you the best value for the output so you can afford more of what you need for your business. Generac is one of North America’s largest suppliers of power generation equipment. For more than five decades, Generac has designed and manufactured diesel, natural gas, and bi-fuel generators that meet the demands of any application.

Features may include:

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.
POWER ZONE™ PRO SYNC CONTROLLER
  • The Generac Power Zone® Digital Control Platform is a fully integrated and multipurpose family of controllers for Generac’s single genset and Modular Power Systems (MPS) applications.
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.

Photos

Highlights

  • Norton, New Brunswick
  • 2025
  • Generac Mobile
  • Stationary Generators MG350
  • Natural Gas
  • Available
  • Open Set (Includes Exhaust Flex): 71.0 in (1,803 mm) | Weather Protected Enclosure: 71.0 in (1,803 mm) | Level 1 Sound Attenuated Enclosure: 71.0 in (1,803 mm) | Level 2 Sound Attenuated Enclosure: 71.0 in (1,803 mm) | Level 3 Sound Attenuated Enclosure: 76.9 in (1,953 mm)
  • Open Set (Includes Exhaust Flex): 66.5 in (1,689 mm) | Weather Protected Enclosure: 80.0 in (2,032 mm) | Level 1 Sound Attenuated Enclosure: 80.0 in (2,032 mm) | Level 2 Sound Attenuated Enclosure: 114.1 in (2,898 mm) | Level 3 Sound Attenuated Enclosure: 129.2 in (3,282 mm)

Specifications

  • 2025
  • Generac Mobile
  • Stationary Generators
  • MG350
  • General
  • Generac
  • 12
  • V12
  • 1,336.4 in3 (21.9 L)
  • 5.03 in (128 mm)
  • 5.6 in (142 mm)
  • 10.0:1
  • Air Method: Turbocharged/Aftercooled
  • Electronic
  • Electronic
  • Pressurized Closed Recovery | Closed Coolant Recovery System | UV/Ozone Resistant Hoses | Factory-Installed Radiator | 50/50 Ethylene Glycol Antifreeze | Radiator Drain Extension
  • Standby-Demand Response/Prime Horsepower at Rated kW: 516 hp / 464 hp | Standby-Demand Response/Prime Three-Phase 277/480 VAC @0.8pf: 350 kW/438 kVA, 527 Amps / 315 kW/394 kVA, 474 Amps | Standby-Demand Response/Prime Three-Phase 346/600 VAC @0.8pf: 350 kW/438 kVA, 421 Amps / 315 kW/394 kVA, 379 Amps
  • Standby-Demand Response/Prime: 1,800 RPM / 1,800 RPM
  • Carburetor: Down Draft | NPT Fuel Connection on Frame | Primary and Secondary Fuel Shutoff
  • Natural Gas
  • Standby-Demand Response/Prime 25%: 1,620 (45.9) / 1,560 scfh (44.2 m3/hr) | Standby-Demand Response/Prime: 2,400 scfh (68.0 scfh) / 2,220 scfh (62.9 m3/hr) | Standby-Demand Response/Prime 75%: 3,240 scfh (91.7 m3/hr) / 3,000 scfh (84.9 m3/hr) | Standby-Demand Response/Prime 100%: 4,140 scfh (117.2 m3/hr) / 3,780 scfh (107.0 m3/hr)
  • Size: See Battery Index 0161970SBY | Voltage: (2) - 12 VDC
  • Alternator: 57 A
  • System Voltage: 24 VDC | Ground Polarity: Negative (-)
  • Standard Model: K0350124Y21 | Poles: 4 | Field Type: Revolving | Insulation Class - Rotor: H | Insulation Class - Stator: H | Total Harmonic Distortion: <5% (3-Phase) | Telephone Interference Factor (TIF): <52 | Standard Excitation: Permanent Magnet | Bearings: Sealed Ball | Coupling: Direct via Flexible Disc | Voltage Regulator Type: Full Digital | Regulation Accuracy (Steady State): ±0.25% | UL2200 GENprotect™ | Class H Insulation Material | 2/3 Pitch | Skewed Stator | Permanent Magnet Excitation | Sealed Bearing | Amortisseur Winding | Full Load Capacity Alternator
  • Frequency Regulation (Steady State): ±0.25%
  • Fan: 1,404 RPM | Piston: 1,680 ft/min (512 m/min) / 1,680 ft/min (512 m/min)
  • Standby-Demand Response/Prime Maximum Operating Ambient Temperature: 122 °F (50 °C) / 122 °F (50 °C) | Standby-Demand Response/Prime Maximum Operating Ambient Temperature (Before Derate): See Bulletin No. 0199270SSD / See Bulletin No. 0199270SSD
  • Oil: Gear
  • Type: Full Flow Spin-On Cartridge
  • Standby-Demand Response/Prime Coolant Flow: 211 gpm (798.6 Lpm) / 211 gpm (798.6 Lpm)
  • Standby-Demand Response/Prime Air Flow (Fan Air Flow Across Radiator): 28,004 scfm (793 m3/min) / 28,004 cfm (793 m3/min) | Standby-Demand Response/Prime Flow at rated power: 657 scfm (18.6 m3/min) / 598 scfm (16.9 m3/min) | Standby-Demand Response/Prime Exhaust Flow (Rated Output): 2,113 scfm (59.8 m3/min) / 1,894 scfm (53.6 m3/min)
  • Operating Fuel Pressure: 11 - 14 in H2O (2.7 - 3.5 kPa) | Standby-Demand Response/Prime Maximum Additional Radiator Backpressure: 0.5 in H2O (0.12 kPa) / 0.5 in H2O(0.12 kPA) | BMEP: 170 psi (1,171 kPa) / 153 psi (1,054 kPa) | Max. Backpressure (Post Silencer): 0.75 inHg (2.54 kPa) / 0.75 inHg (2.54 kPa) | Exhaust Temp (Rated Output - Post Silencer): 1,277 °f (691.7 °C) / 1,250 °F (676.7 °C)
  • Fan Diameter: 44 in (1,117.6 mm)
  • Open Set (Includes Exhaust Flex): 154.4 in (3,922 mm) | Weather Protected Enclosure: 207.4 in (5,268 mm) | Level 1 Sound Attenuated Enclosure: 247.5 in (6,287 mm) | Level 2 Sound Attenuated Enclosure: 207.4 in (5,268 mm) | Level 3 Sound Attenuated Enclosure: 232.0 in (5,893 mm)
  • Open Set (Includes Exhaust Flex): 71.0 in (1,803 mm) | Weather Protected Enclosure: 71.0 in (1,803 mm) | Level 1 Sound Attenuated Enclosure: 71.0 in (1,803 mm) | Level 2 Sound Attenuated Enclosure: 71.0 in (1,803 mm) | Level 3 Sound Attenuated Enclosure: 76.9 in (1,953 mm)
  • Open Set (Includes Exhaust Flex): 66.5 in (1,689 mm) | Weather Protected Enclosure: 80.0 in (2,032 mm) | Level 1 Sound Attenuated Enclosure: 80.0 in (2,032 mm) | Level 2 Sound Attenuated Enclosure: 114.1 in (2,898 mm) | Level 3 Sound Attenuated Enclosure: 129.2 in (3,282 mm)
  • Engine: 31.7 qt (30 L)
  • Standby-Demand Response/Prime Coolant System Capacity: 15.5 gal (58.7 L) / 15.5 gal (58.7 L)
  • Open Set (Includes Exhaust Flex): 7,286 - 8,650 lbs (3,304 - 3,923 kg) | Weather Protected Enclosure Steel: 9,490 - 10,840 lbs (4,304 - 4,916 kg) | Weather Protected Enclosure Aluminum: 8,404 - 9,753 lbs (3,811 - 4,423 kg) | Level 1 Sound Attenuated Enclosure Steel: 10,498 - 11,847 lbs (4,761 - 5,373 kg) | Level 1 Sound Attenuated Enclosure Aluminum: 8,818 - 10,185 lbs (3,999 - 4,619 kg) | Level 2 Sound Attenuated Enclosure Steel: 10,836 - 12,185 lbs (4,914 - 5,526 kg) | Level 2 Sound Attenuated Enclosure Aluminum: 8,963 - 10,330 lbs (4,065 - 4,685 kg) | Level 3 Sound Attenuated Enclosure: 13,224 - 14,285 lbs (5,997 - 6,478 kg)
  • Number of Main Bearings: 7 | Lifter Type: Solid | Fan Type: Pusher | Oil Drain Extension | Engine Coolant Heater | Air Cleaner | Factory Filled Oil and Coolant | Radiator Duct Adapter (Open Set Only) | Critical Silencer | Battery Charging Alternator | Battery Cables | Battery Tray | Solenoid Activated Starter Motor | Internal Genset Vibration Isolation | Separation of Circuits - High/Low Voltage | Separation of Circuits - Multiple Breakers | Wrapped Exhaust Piping | Standard Factory Testing |
  • Connecting Rods: Steel Alloy | Cylinder Head: Cast Iron | Cylinder Liners: Cast Steel Alloy | Piston Type: Cast Aluminum Alloy | Crankshaft Type: Steel | Intake Valve Material: High Temperature Steel Alloy | Exhaust Valve Material: High Temperature Steel Alloy | Hardened Valve Seats: Proprietary Alloy | Stainless Steel Flexible Exhaust Connection | Rubber-Booted Engine Electrical Connections
  • 2 Year Limited Warranty (Standby and Demand Response Rated Units) | 1 Year Limited Warranty (Prime Rated Units)