2025 Generac Mobile Stationary Generators SD400
- Year 2025
- Make Generac Mobile
- Model Stationary Generators
2025 Generac Mobile Stationary Generators SD400
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.
- 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
Perkins
Cylinder Liners
6
Engine Type
Model: 2206D-E13TAG3 | Tier Level: 3 | In-Line | Pre-Combustion
Emissions
EPA Emissions Compliance: Stationary Emergency EPA | Emissions Reference: See Emissions Data Sheet
Displacement
762.80 in3 (12.5 L)
Bore
5.12 in (130 mm)
Stroke
6.18 in (157 mm)
Compression Ratio
16.3:1
Intake Design
Air Method: Turbocharged/Aftercooled
Governor
Electronic Isochronous
Cooling
Closed Recovery | Closed Coolant Recovery System | UV/Ozone Resistant Hoses |Factory-Installed Radiator | 50/50 Ethylene Glycol Antifreeze | 120 VAC Coolant Heater
Engine Power
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
Rated Engine Speed
1,800 RPM
Fuel System
Fuel Type
Ultra Low Sulfur Diesel Fuel #2 | Specifications: ASTM
Fuel System
Filtering (Microns): Primary 10- Secondary 2 | Flexible Fuel Lines | Primary and Secondary Fuel Shutoff
Fuel Injection
MEUI
Fuel Usage, 100% Load
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)
Battery
Battery
Size: See Battery Index 0161970SBY | Voltage: (2)-12 VDC
Battery Charger Input
Alternator: Standard
Electric
Electrical
System Voltage: 24 VDC | Ground Polarity: Negative
Alternator
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
Operational
Operating Conditions
Frequency Regulation (Steady State): ±0.25% | Heat Rejection to Coolant: 792,960 BTU/hr (232.3 kW)
Operating Speed
Fan: 1,656 RPM | Piston: 1,854 ft/min (565 m/min)
Operating Temperature, Maximum
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)
Hydraulics
Pump Type
Oil: Gear | Fuel Inject Make: Electronic | Fuel: Engine Driven Gear
Oil Filter
Type: Full Flow
Hydraulic Flow
Total Fuel Pump Flow (Combustion + Return): 159 gph (600 Lph) | Coolant Flow: 106 gpm (402 Lpm)
Airflow
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 Pressure
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)
Dimensions
Dimensions
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)
Capacities
Oil capacity
Crankcase: 40.15 qt (38 L)
Cooling System
Coolant Capacity: 13 gal (49 L)
Features
Features
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)
Construction Material
Piston Head: Aluminum | Crankshaft Type: Dropped Forged Steel | Stainless Steel Flexible Exhaust Connection | Rubber-Booted Engine Electrical Connections
Warranty
Warranty
2 Year Limited Warranty (Standby Rated Units) | 1 Year Limited Warranty (Prime Rated Units)