2025 Generac Mobile Stationary Generators SD400

Information

2025 Generac Mobile Stationary Generators SD400

Keep all your business’s essentials up and running with a Generac 400kW generator. It provides longer run times so everything can continue to operate effortlessly until 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.
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.

Photos

Highlights

  • Muncy, Pennsylvania
  • 2025
  • Generac Mobile
  • Stationary Generators SD400
  • Ultra Low Sulfur Diesel Fuel #2 | Specifications: ASTM
  • Available

Specifications

  • 2025
  • Generac Mobile
  • Stationary Generators
  • SD400
  • General
  • Perkins
  • 6
  • Model: 2206D-E13TAG3 | Tier Level: 3 | In-Line | Pre-Combustion
  • EPA Emissions Compliance: Stationary Emergency EPA | Emissions Reference: See Emissions Data Sheet
  • 762.80 in3 (12.5 L)
  • 5.12 in (130 mm)
  • 6.18 in (157 mm)
  • 16.3:1
  • Air Method: Turbocharged/Aftercooled
  • Electronic Isochronous
  • Closed Recovery | Closed Coolant Recovery System | UV/Ozone Resistant Hoses |Factory-Installed Radiator | 50/50 Ethylene Glycol Antifreeze | 120 VAC Coolant Heater
  • Horsepower at Rated kW: 578 hp | Three-Phase 120/208 VAC @0.8pf: 400 kW / 1,388 Amps | Three-Phase 120/240 VAC @0.8pf: 400 kW / 1,203 Amps | Three-Phase 277/480 VAC @0.8pf: 400 kW / 601 Amps | Three-Phase 346/600 VAC @0.8pf: 400 kW / 481 Amps
  • 1,800 RPM
  • Filtering (Microns): Primary 10- Secondary 2 | Flexible Fuel Lines | Primary and Secondary Fuel Shutoff
  • Ultra Low Sulfur Diesel Fuel #2 | Specifications: ASTM
  • MEUI
  • 25%: 9.8 gph (37.1 Lph) | 50%: 16.7 gph (63.2 Lph) | 75%: 23.1 gph (87.4 Lph) | 100%: 27.8 gph (105.4 Lph)
  • Size: See Battery Index 0161970SBY | Voltage: (2)-12 VDC
  • Alternator: Standard
  • System Voltage: 24 VDC | Ground Polarity: Negative
  • Standard Model: K0400124Y21 | 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 Cartridge | 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% | Heat Rejection to Coolant: 792,960 BTU/hr (232.3 kW)
  • Fan: 1,656 RPM | Piston: 1,854 ft/min (565 m/min)
  • Maximum Operating Ambient Temperature: 122 °F (50 °C) | Maximum Operating Ambient Temperature (Before Derate): See Bulletin No. 0199280SSD | Exhaust Temp (Rated Output - Post Turbo): 1,256 °F (680 °C)
  • Oil: Gear | Fuel Inject Make: Electronic | Fuel: Engine Driven Gear
  • Type: Full Flow
  • Total Fuel Pump Flow (Combustion + Return): 159 gph (600 Lph) | Coolant Flow: 106 gpm (402 Lpm)
  • Air Flow (Fan Air Flow Across Radiator): 18,685 cfm (529 m3/min) | Flow at Rated Power: 1,180 cfm (33.4 m3/min) | Exhaust Flow (Rated Output): 3,044 cfm (86.2 m3/min)
  • Maximum Additional Radiator Backpressure: 0.5 inH2o (0.12 kPa) | BMEP: 334 psi | Maximum Allowable Back Pressure (Post Silencer): 1.5 inHg (5.1 kPa)
  • Fan Diameter: 36.5 in (927 mm) | Fuel Supply Line: 0.5 in (12.7 mm) NPT | Fuel Return Line: 0.5 in (12.7 mm) NPT | Fuel Pump Lift 12 ft (3 m)
  • Crankcase: 40.15 qt (38 L)
  • Coolant Capacity: 13 gal (49 L)
  • Cylinder Head: 4-Valve | Fan Type: Pusher | Oil Drain Extension | Heavy Duty Air Cleaner | Level 1 Fan and Belt Guard (Open Set Only) | 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 (Enclosed Units Only) | Standard Factory Testing | Silencer Mounted in the Discharge Hood (Enclosed Units Only)
  • Piston Head: Aluminum | Crankshaft Type: Dropped Forged Steel | Stainless Steel Flexible Exhaust Connection | Rubber-Booted Engine Electrical Connections
  • 2 Year Limited Warranty (Standby Rated Units) | 1 Year Limited Warranty (Prime Rated Units)