Central Illinois' headquarters for lawn equipment, home generators, utility tractors, and utility vehicles!

2018 Generac 400kW Gaseous Generator MG400

Call for Price


Availability
Brochure
Year
2018
Manufacturer
Generac
Model
400kW Gaseous Generator MG400

Overview

Description

Some authorities are starting to consider the natural gas grid as "on-site" fuel to meet NEC and NFPA code requirements. The reduced emissions from natural gas also helps customers be eco-friendly.

Features
  • 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 #: 12
  • Type: V12
  • Displacement - L (Cu In): 21.9L (1336.42)
  • Bore - mm (in): 128 (5.03)
  • Stroke - mm (in): 142 (5.6)
  • Compression Ratio: 10:1
  • Intake Air Method: Turbocharged/Aftercooled
  • Number of Main Bearings: 7
  • Connecting Rods: Alloy Steel
  • Cylinder Head Cast: Iron - OHV
  • Cylinder Liners Cast: Alloy Steel
  • Ignition: Electronic
  • Piston Type: Aluminum Alloy
  • Crankshaft Type: Forged Alloy Steel
  • Lifter Type: Solid
  • Intake Valve Material: High Temp Alloy 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): 30 (31.7)
Cooling System
  • Cooling System Type: Pressurized Closed Recovery
  • Fan Type: Pusher
  • Fan Speed (rpm): 1404
  • Fan Diameter mm (in): 1,117.6 (44)
Fuel System
  • Fuel Type: Natural Gas
  • Carburetor: Down Draft
  • Secondary Fuel Regulator: Standard
  • Fuel Shut Off Solenoid: Standard (Dual)
  • Operating Fuel Pressure in H2O: 11 - 15
  • Optional Operating Fuel Pressure in H2O: 7 - 11
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
Alternator Specifications
  • Standard Model Generac: 520 mm
  • 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 Excitation
  • Bearings: Sealed Ball
  • Coupling: Direct Via Flexible Disc
  • Prototype Short Circuit Test: Yes
  • Voltage Regulator Type: Full Digital
  • Number of Sensed Phases: All
  • Regulation Accuracy (Steady State): ±0.25%

Specs

Engine

Engine Type
Generac V12
Horsepower
636 hp
Displacement
21.9 L (1336.42 cu.in.)

Dimensions

Length
207.4 in. (5268 mm)
Width
71 in. (1803 mm)
Height
80 in. (2032 mm)
Weight
Steel: 10428 lb. (4730 kg); Aluminum: 9298 lb. (4217 kg)

Other

AC Output
400 kW

Related Products