Advanced Technology for Extreme Situations
The MGG450 from Generac Mobile Products provides 450 kVA of power, is parallel/load-share ready and automatically adapts to LP, NG or Wellhead Gas. Designed for optimum performance in extreme environments, this mobile gaseous generator has a Prime Rated 21.9L Generac Engine with an advanced fuel control system, a 1500-hour service interval and knock sensors on each cylinder to protect the engine.
Total Control
- Variable pitch fan to auto adjust for cooling and heating needs
- Automatically adapts to LP, NG or Wellhead Fuel
- Advanced fuel control system minimizes derate for fuel
- Engine protection (knock sensing on each cylinder)
Cost Effective
- 1500-hour service interval
- Parallel/Load Share-Ready
- Light weight and new trailer design for easier towing
- Easy service access
- Natural gas and wellhead gas provide most cost-effective fuel source availiable
Durable & Efficient
- 450 kVA; Best in class kW/L (true 300 kWe COP)
- Prime Rated 21.9L Generac Engine
- Cold weather package designed for start in extreme cold situations
- EPA Certified
- 49-state Emissions Compliant
Standard Features - Engine System
- Dual-stage air cleaner
- Stainless steel flexible exhaust connection
- Factory filled (crankcase only) oil and coolant
- In-line engine block heater
- Disposable air filter - paper element
- Air filter restriction indicator
- Generac engine
- 12 Cylinder
- Turbocharged & Aftercooled
- 1,336 in3(21.9 L) Displacement
- Power @ 1,800 RPM -hp (kW): Prime: 558 (416);Continuous: 465 (347)
- Wrapped exhaust piping
- Engine oil replenishment system
- Oil drain extension
- Two 12V, 225 CCA, group 8D batteries
- Basic starting aids: Battery heater; Battery charger;6 kW Coolant heater; Oil heater
- 10F Start/Run Ambient air temperature
Standard Features - Cooling System
- Capable of operating at 104 °F (40 °C) ambient
- Exterior coolant drain
- Closed coolant recovery system
- UV/ozone resistant hoses
- 50/50 ethylene glycol antifreeze
- Radiator drain extension
Standard Features - Fuel System
- Automatic changeover NG/LP
- Dual fuel shutoff solenoid
- Fuel line NPT connection
- Dual-stage scrubber
Standard Features - Ignition System
- Cylinder-specific knock-detection sensors
- Automatic spark duration/intensity adjustment
- Automatic ignition timing adjustment
Standard Features - Controls System
- Motortech All-In-One digital controller
- 600A Main Line Circuit Breaker (MLCB)
- Battery disconnect
- Emergency stop
Standard Features - Generator System
- Heavy duty vibration isolation
- Fork pockets
- Push/pull drag skid capable
- End-mounted all-in-one generator control panel
- Motorized circuit breaker for parallel running
Standard Features - Alternator System
- Leroy Somer™ LSA 47.2 S4: Brushless; 4 Pole; 2/3 pitch; Class H insulation
- Digital AVR
- Skewed stator
- Permanent magnet Generator (PMG) excitation
- Sealed bearings
- Amortisseur winding
- Full load capacity alternator
- 60 Hz
Standard Features - Power Distribution
- Connection Lugs
- Convenience Receptacles: Two 120V, 20A, GFCI Duplex Receptacles (NEMS 5-20R)
- Lockable lug box with safety switch: Trips main breaker when door is
Standard Features - Enclosure
- Fully lockable – including doors
- Stainless steel hinges, door latches, and exterior hardware
- Exterior emergency stop switch
- Central lifting point
- Multi-lingual operating and safety decals
- Document holder with owner’s manual – includes AC and DC wiring diagrams
- Integrated single point lift structure; fork pockets in frame
- 4-point standard lifting
- Push-pull-drag points at all 4 corners
Standard Features - Warranty
- 1 year / unlimited hours
Engine Specifications - General
- Make (Model): Generac
- Cylinders: Configuration-QTY: V 12
- Displacement - in3(L): 1336 (21.9)
- Bore - in (mm): 5.03 (128)
- Stroke - in (mm): 5.59 (142)
- Compression Ratio: 10.0:1
- Intake Air Method: Turbocharged/ Aftercooled
Engine Specifications - Engine Governing
- Governor: Electronic
- Frequency Regulation (Steady State): ±0.25%
Engine Specifications - Lubrication System
- Oil Pump Type: Gear
- Oil Filter Type: Twin Full Flow
- Crankcase Capacity: qt (L): 32.7 (31)
- Oil Consumption: qt/24h (L/24h): 0.86 (0.91)
- Oil Makeup Reservoir: qt (L): 120 (113)
Engine Specifications - Cooling System
- Cooling System Type: Pressurized Closed Recovery
- Water Pump Type: Belt driven
- Fan Type: Pusher
- Fan Diameter: in (mm): 45 (1143)
- Coolant System Capacity: qt (L): 134 (127)
Engine Specifications - Fuel System
- Fuel Type: Natural Gas/Wellhead Gas/LP
- Operating Fuel Pressure - in H2O (kPa): 5-50 (Commercial Quality / Scrubber By-pass) 40-300 (Unscrubbed Wellhead / Pressure Into Scrubber)
Engine Specifications - Engine Electrical System
- System Voltage: VDC 24
- Battery Charger Alternator: Standard
- Battery: CCA 1450
- Battery: Voltage (Qty): 12 (2)
- Ground Polarity: Negative (-)
Additional information
| ENGINE | Engine Type Generac V 12 |
|---|---|
| DIMENSIONS | Length 253 in. (6.43 m) |


