2025 Generac Mobile Stationary Generators SD275
- Year 2025
- Make Generac Mobile
- Model Stationary Generators
2025 Generac Mobile Stationary Generators SD275
2025 Generac Mobile Stationary Generators SD275
A key benefit of these diesel genset generators are the PowerManager® controllers. These integrated controllers offer multiple functions including two-way communication with the automatic transfer switch, isochronous engine speed control and automatic voltage regulation with over-voltage protection and variable voltage/frequency setting.
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 generators' industrial alternators are machine wound, machine inserted, and machine varnished for the ultimate in consistency.
- Generac engineers its generator POWERMANAGER® CONTROLLER with safety and convenience as top priorities.
Engine
Engine Manufacturer
Iveco/FPT
Emissions
EPA Emissions Compliance: Stationary Emergency | EPA Emissions Reference: See Emission Data Sheet
Cylinder Liners
6
Engine Type
In-line | Direct Injection
Displacement
628.54 in3 (10.3 L)
Bore
4.92 in (125 mm)
Stroke
5.51 in (140 mm)
Compression Ratio
16.5:1
Intake Design
Air Method: Turbocharged/Aftercooled
Governor
Electronic Isochronous
Cooling
Type: Closed Recovery | Closed Coolant Recovery System | UV/Ozone Resistant Hoses | Factory-Installed Radiator | Radiator Drain Extension | 50/50 Ethylene Glycol Antifreeze | Engine Coolant Heater
Engine Power
Horsepower at Rated kW: 449 hp | Three-Phase 120/208 VAC @0.8pf: 275 kW / 954 Amps | Three-Phase 120/240 VAC @0.8pf: 275 kW / 827 Amps | Three-Phase 277/480 VAC @0.8pf: 275 kW / 414 Amps | Three-Phase 346/600 VAC @0.8pf: 275 kW / 331 Amps
Rated Engine Speed
1,800 RPM
Fuel System
Fuel Type
Ultra Low Sulfur Diesel Fuel #2 | Specifications: ASTM
Fuel System
Filtering (Microns): 5 | Fuel Lockoff Solenoid | Primary Fuel Filter
Fuel Injection
Common Rail
Fuel Usage, 100% Load
25%: 6.8 gph (25.7 Lph) | 50%: 11.7 gph (44.2 Lph) | 75%: 15.8 gph (59.8 Lph) | 100%: 19.6 gph (74.2 Lph)
Battery
Battery
Size: See Battery Index 0161970SBY
Battery Charger Input
Alternator: Standard | Voltage: (2)–12 VDC
Electric
Electrical
System Voltage: 24 VDC | Ground Polarity: Negative
Alternator
Standard Model: K0275124Y21 | 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: Digital | Regulation Accuracy (Steady State): ±0.25% | UL2200 GENprotect™ | 12 Leads (3-Phase, Non 600V) | Class H Insulation Material | Vented Rotor | 2/3 Pitch | Skewed Stator | Auxiliary Voltage Regulator Power Winding | Permanent Magnet Excitation | Sealed Bearings | Automated Manufacturing (Winding, Insertion, Lacing, Varnishing) | Rotor Dynamically Spin Balanced | Amortisseur Winding | Full Load Capacity Alternator | Protective Thermal Switch
Operational
Operating Conditions
Frequency Regulation (Steady State): ±0.25% | Heat Rejection to Coolant: 722,612 BTU/hr (211.8 kW)
Operating Speed
Fan: 2,250 RPM | Piston: 1,654 ft/min (504 m/min)
Operating Temperature, Maximum
Maximum Operating Ambient Temperature: 110 °F (43.3 °C) | Maximum Operating Ambient Temperature (Before Derate): See Bulletin No. 0199280SSD | Exhaust Temperature (Rated Output): 950 °F (510 °C)
Hydraulics
Pump Type
Oil. Gear | Water: Pre-Lubed, Self Sealing | Fuel Inject Make: Electronic | Fuel: Engine Driven Gear
Oil Filter
Type: Full-Flow
Hydraulic Flow
Total Fuel Pump Flow (Combustion + Return): 31 gph (117 Lph) | Coolant Flow: 95 gpm (360 Lpm)
Airflow
Inlet Air: 14,505 cfm (411 m3/hr) | Flow at Rated Power: 780 scfm (22.1 m3/min) | Exhaust Flow (Rated Output): 2,050 cfm (58.1 m3/min)
Maximum Pressure
Maximum Additional Radiator Backpressure: 0.5 in H2O (0.12 kPa) | BMEP: 308 psi (2,124 kPa) | Maximum Allowable Backpressure (Post Silencer):1.5 inHg (5.1 kPa)
Dimensions
Dimensions
Fan Diameter: 30 in (762 mm) | Fuel Supply Line: 0.5 in (12.7 mm) NPT | Fuel Return Line: 0.5 in (12.7 mm) NPT | Fuel Pump Lift: 3 ft (1 m)
Capacities
Oil capacity
Crankcase. 31.68 qt (30 L)
Cooling System
Coolant Capacity: 13.0 gal (49.2 L)
Features
Features
Cylinder Head: 4–Valve | Fan Type: Pusher | Oil Drain Extension | Level 1 Fan and Belt Guards (Open Set Only) | Factory Filled Oil and Coolant | Radiator Duct Adapter (Open Set Only) | 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 | Standard Factory Testing | Silencer Mounted in the Discharge Hood (Enclosed Units Only)
Construction Material
Piston Type: Aluminum | Crankshaft Type: Dropped Forged Steel | Stainless Steel Flexible Exhaust Connection | Rubber-Booted Engine Electrical Connections
Warranty
Warranty
2 Year Extended Limited Warranty (Standby Rated Units) | 1 Year Extended Limited Warranty (Prime Rated Units)