2025 Generac Mobile Stationary Generators MG150-9-0
- Year 2025
- Make Generac Mobile
- Model Stationary Generators
2025 Generac Mobile Stationary Generators MG150-9-0
As electrical grid outages become more common it is important to be prepared for the potential of a power outage. Keep all your business’s essentials up and running with Generac's 9.0L 150kW generator. Our rugged natural gas generators give you all the backup power you need until grid power is restored. 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 builds its spark-ignited engines from the block up utilizing advanced engineering expertise.
- Generac industrial alternators are machine wound, machine inserted, and machine varnished for the ultimate in consistency.
- Generac engineers its generator controls with safety and convenience as top priorities.
- 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
Engine Manufacturer
Generac
Cylinder Liners
8
Engine Type
V
Displacement
543 in3 (8.9 L)
Bore
4.49 in (114.3 mm)
Stroke
4.25 in (107.95 mm)
Compression Ratio
G18. 10.5:1 | G26 : 9.1:1
Governor
Electronic
Ignition
High Energy
Cooling
Type: Pressurized Closed | Closed Coolant Recovery System | UV/Ozone Resistant Hoses | Factory-Installed Radiator | 50/50 Ethylene Glycol Antifreeze | Radiator Drain Extension
Engine Power
Horsepower at Rated kW: 229 hp | Natural Gas Single-Phase 120/240 VAC @1.0pf: 144 kW / 600 Amps | Natural Gas Three-Phase 120/208 VAC @0.8pf: 150 kW / 521 Amps | Natural Gas Three-Phase 120/240 VAC @0.8pf: 150 kW / 452 Amps | Natural GasThree-Phase 277/480 VAC @0.8pf: 150 kW / 226 Amps | Natural Gas Three-Phase 346/600 VAC @0.8pf: 150 kW / 181 Amps | Liquid Propane Single-Phase 120/240 VAC @1.0pf: 134 kW / 558 Amps | Liquid Propane Three-Phase 120/208 VAC @0.8pf: 140 kW / 486 Amps | Liquid Propane Three-Phase 120/240 VAC @0.8pf: 140 kW / 421 Amps | Liquid Propane Three-Phase 277/480 VAC @0.8pf: 140 kW / 211 Amps | Liquid Propane Three-Phase 346/600 VAC @0.8pf: 140 kW / 169 Amps
Intake Design
Air Method: Naturally Aspirated and Turbocharged
Rated Engine Speed
1,800 RPM
Fuel System
Fuel Type
Natural Gas, Propane Vapor/Liquid
Fuel System
Carburetor: Down Draft | NPT Fuel Connection on Frame | Primary and Secondary Fuel Shutoff
Fuel Usage, 100% Load
Natural Gas 25%: 668 scfh (18.9 m3/hr) | Natural Gas 50%: 1,127 scfh (31.9 m3/hr) | Natural Gas 75%: 1,583 scfh (44.8 m34/hr) | Natural Gas 100%: 2,042 scfh (57.8 m3/hr) | Propane Vapor 25%: 280 scfh (7.9 m3/hr) | Propane Vapor 50%: 430 scfh (12.2 m3/hr) | Propane Vapor 75%: 573 scfh (16.2 m3/hr) | Propane Vapor 100%: 720 scfh (20.4 m3/hr) | Propane Liquid 25%: 6.7 gph (25.4 Lph) | Propane Liquid 505: 11.4 gph (43.1 Lph) | Propane Liquid 75%: 15.7 gph (59.4 Lph) | Propane Liquid 100%: 20.0 gph(75.7 Lph)
Battery
Battery
Size: See Battery Index 0161970SBY | Voltage: 12 VDC
Electric
Electrical
System Voltage: 12 VDC | Ground Polarity: Negative
Alternator
Standard Model: K0150124Y26 | Poles: 4 | Field Type: Revolving | Insulation Class - Rotor: H | Insulation Class - Stator: H | Total Harmonic Distortion: <5% | Telephone Interference Factor (TIF): <50 | Standard Excitation: Permanent Magnet | Bearings: Single Sealed Ball | Coupling: Direct via Flexible Disc | Voltage Regulator Type. Full Digital | Regulation Accuracy (Steady State): ±0.25% | Main Line Circuit Breaker | UL2200 GENprotect™ | Class H Insulation Material | 2/3 Pitch | Skewed Stator | Permanent Magnet Excitation | Sealed Bearings| Amortisseur Winding | Full Load Capacity Alternator
Operational
Operating Conditions
Frequency Regulation (Steady State): ±0.25%
Operating Speed
Fan: 2,386 RPM | Piston: 1,275 ft/min (389 m/min)
Operating Temperature, Maximum
Maximum Operating Ambient Temperature: 122 °F (50 °C) | Maximum Operating Ambient Temperature (Before Derate): See Bulletin No. 0199270SSD | Exhaust Temp (Rated Output - Post Silencer): 1,440 °F (782 °C)
Hydraulics
Pump Type
Oil: Gear
Oil Filter
Type: Full-Flow Spin-On Cartridge
Hydraulic Flow
Coolant Flow: 27.5 gpm (104.1 Lpm)
Airflow
Air Flow (Fan Air Flow Across Radiator): 5,598 scfm (158.5 m3/min) | Flow at Rated Power: 342.7 scfm (9.7 m3/min) | Exhaust Flow (Rated Output): 1,205.8 scfm (34.1 m3/min)
Maximum Pressure
Operating Fuel Pressure NG/LPV: 7 - 11 in H2O (1.7 - 2.7 Kpa) | Maximum Radiator Backpressure: 0.5 in H2O (0.12 kPa) | Maximum Backpressure (Post Silencer). 0.75 inHg (2.54 kPa)
Dimensions
Dimensions
Fan Diameter: 22 in (558.8 mm)
Length
Open Set (Includes Exhaust Flex): 116.5 in (2,959 mm) | Weather Protected Enclosure: 143.0 in (3,632 mm) | Level 1 Acoustic Enclosure: 168.5 in (4,280 mm) | Level 2 Acoustic Enclosure: 143.0 in (3,632 mm)
Width
Open Set (Includes Exhaust Flex): 49.7 in (1,262 mm) | Weather Protected Enclosure: 50.4 in (1,280 mm) | Level 1 Acoustic Enclosure: 50.4 in (1,280 mm) | Level 2 Acoustic Enclosure: 50.4 in (1,280 mm)
Height
Open Set (Includes Exhaust Flex): 55.6 in (1,412 mm) | Weather Protected Enclosure: 68.2 in (1,732 mm) | Level 1 Acoustic Enclosure: 68.2 in (1,732 mm) | Level 2 Acoustic Enclosure: 91.7 in (2,329 mm)
Capacities
Oil capacity
Crankcase Capacity (G18/G26): 8.5 qts (8.0 L) / 10.0 qt (9.5 L)
Cooling System
Coolant Capacity: 6.3 gal (24 L)
Weights
Weight
Open Set (Includes Exhaust Flex): 2,840 - 2,948 lbs (1,288 - 1,337 kg) | Weather Protected Enclosure Steel: 3,737 - 3,845 lbs (1,695 - 1,744 kg) | Weather Protected Enclosure Aluminum: 3,278 - 3,386 lbs (1,487 - 1,536 kg) | Level 1 Acoustic Enclosure Steel: 4,023 - 4,131 lbs (1,825 - 1,874 kg) | Level 1 Acoustic Enclosure Aluminum: 3,111 - 3,157 lbs (1,411 - 1,432 kg) | Level 2 Acoustic Enclosure Steel: 4,215 - 4,323 lbs (1,912 - 1,961 kg) | Level 2 Acoustic Enclosure Aluminum: 3,486 - 3,594 lbs (1,581 - 1,630 kg)
Features
Features
Number of Main Bearings: 5 | Lifter Type: Hydraulic Roller | Fan Type: Pusher | Oil Drain Extension | Air Cleaner | Fan Guard | Factory Filled Oil and Coolant | Radiator Duct Adapter (Open Set Only) | Critical Silencer/Catalyst | Battery Charging Alternator | Battery Cables | Battery Tray | Rubber-Booted Engine Electrical Connections | 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 | Silencer Mounted in the Discharge Hood (Enclosed Units Only) | Ready to Accept Full Load in <10 Seconds
Construction Material
Connecting Rods: Forged Steel | Cylinder Head: Cast Iron | Piston Type: Aluminum Alloy | Crankshaft Type: Forged Steel | Intake Valve Material: Steel Alloy | Exhaust Valve Material: Stainless Steel | Stainless Steel Flexible Exhaust Connection
Warranty
Warranty
2 Year Limited Warranty (Standby Rated Units)