Hall Bros. Enterprises LTD.

Specifications

• 2025 Generac Mobile Stationary Generators SD300
• Year2025
• ManufacturerGenerac Mobile
• Model NameStationary Generators
• Trim NameSD300
• Generic Type (Primary)General
• Engine ManufacturerIveco/FPT
• EmissionsEPA Emissions Compliance: Stationary Emergency | EPA Emissions Reference: See Emission Data Sheet
• Cylinder Liners6
• Engine TypeIn-line | Direct Injection
• Displacement628.54 in3 (10.3 L)
• Bore4.92 in (125 mm)
• Stroke5.51 in (140 mm)
• Compression Ratio16.5:1
• Intake DesignAir Method: Turbocharged/Aftercooled
• GovernorElectronic Isochronous
• CoolingType: Closed Recovery | Closed Coolant Recovery System | UV/Ozone Resistant Hoses | Factory-Installed Radiator | Radiator Drain Extension | 50/50 Ethylene Glycol Antifreeze | 240 VAC Engine Coolant Heater
• Engine PowerStandby/Prime (MD-Only) Horsepower at Rated kW: 480 hp / 432 hp | SD-Only Three-Phase 120/208 VAC @0.8pf (Standby): 300 kW / 1,041 Amps | SD-Only Three-Phase 120/240 VAC @0.8pf (Standby): 300 kW / 902 Amps | SD-Only Three-Phase 277/480 VAC @0.8pf (Standby): 300 kW / 451 Amps | SD-Only Three-Phase 346/600 VAC @0.8pf (Standby): 300 kW / 361 Amps | MD-Only Three-Phase 120/208 VAC @0.8pf (Standby): 270 kW / 937 Amps | MD-Only Three-Phase 120/240 VAC @0.8pf (Standby): 270 kW / 406 Amps | MD-Only Three-Phase 346/600 VAC @0.8pf (Standby): 270 kW / 325 Amps
• Rated Engine SpeedStandby/Prime (MD-Only): 1,800 RPM / 1,800 RPM
• Fuel SystemFiltering (Microns): 5 | Fuel Lockoff Solenoid | Primary Fuel Filter
• Fuel TypeUltra Low Sulfur Diesel Fuel #2 | Specifications: ASTM
• Fuel InjectionCommon Rail
• Fuel Usage, 100% LoadStandby/Prime (MD-Only) 25%: 7.6 gph (28.7 Lph) / 6.9 gph (26.1 Lph) | Standby/Prime (MD-Only) 50%: 12.6 gph (47.7 Lph) / 11.6 gph (43.9 Lph) | Standby/Prime (MD-Only) 75%: 17.4 gph (65.9 Lph) / 15.8 gph (59.8 Lph) | Standby/Prime (MD-Only) 100%: 22.1 gph (83.7 Lph) / 19.9 gph (75.3 Lph)
• BatterySize: See Battery Index 0161970SBY | Voltage: (2)–12 VDC
• Battery Charger InputAlternator: Standard
• Electric
• ElectricalSystem Voltage: 24 VDC | Ground Polarity: Negative
• AlternatorStandard Model: SD-Only K0350124Y21 / MD-Only 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 | Bearings: Single Sealed Cartridge | Coupling: Direct via Flexible Disc | Load Capacity- Standby: 100%Voltage Regulator Type: Digital | Regulation Accuracy (Steady State): ±0.25% | MD-Only: GENprotect™ | 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 Bearing | Automated Manufacturing (Winding, Insertion, Lacing, Varnishing) | Rotor Dynamically Spin Balanced | Amortisseur Winding | Full Load Capacity Alternator | MD-Only: Protective Thermal Switch
• Operational
• Operating ConditionsFrequency Regulation (Steady State): ±0.25% | Standby/PrimeHeat Rejection to Coolant: 814,783 BTU/hr (238 kW) / 733,673 BTU/hr
• Operating SpeedFan: 2,250 RPM | Standby/Prime (MD-Only) Piston: 1,654 ft/min (504 m/min) / 1,654 ft/min
• Operating Temperature, MaximumStandby/Prime Maximum Operating Radiator Air Temperature: 122 °F (50 °C) / 122 °F (50 °C) | Maximum Operating Ambient Temperature (Before Derate): See Bulletin No. 0199280SSD | Standby/Prime (MD-Only) Exhaust Temperature (Rated Output - Post Silencer): 1,020 °F (549 °C) / 918 °F (492 °C)
• Hydraulics
• Pump TypeOil: Gear | Water: Pre-Lubed, Self Sealing | Fuel Inject Make: Electronic | Fuel: Engine Driven Gear
• Oil FilterType: Full-Flow
• Hydraulic FlowTotal Fuel Pump Flow (Combustion + Return): 31 gph (117 Lph) |Standby/Prime Coolant Flow: 95 gpm (360 Lpm) / 95 gpm (360 Lpm)
• AirflowInlet Air: 14,505 cfm (411 m3/hr) / 14,505 cfm (411 m3/hr) | Flow at Rated Power: 850 cfm (24.1 m3/min) / 765 cfm (21.67 m3/min) | Standby/Prime (MD-Only) Exhaust Flow (Rated Output): 2,240 cfm (63.4 m3/min) / 2016 cfm (57.1 m3/hr)
• Maximum PressureStandby/Prime Maximum Additional Radiator Backpressure: 0.5 in H2O (0.12 kPa) / 0.5 in H2O (0.12 kPa) | Standby/Prime (MD-Only) BMEP: 336 psi (2,317 kPa) / 302 psi | Standby/Prime (MD-Only) Maximum Backpressure (Post Silencer): 1.5 in Hg (5.1 kPa) / 1.5 inHg (5.1 kPa)
• DimensionsFan 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) | Standby/Prime (MD-Only) Exhaust Outlet Size (Open Set): 101.6 in (4 mm) / 101.6 in (4 mm)
• Capacities
• Oil capacityCrankcase: 31.68 qt (30 L)
• Cooling SystemStanby/Prime Coolant System Capacity: 16.6 gal (63 L) / 16.6 gal (63 L)
• FeaturesCylinder Head: 4–Valve | Fan Type: Pusher | Oil Drain Extension | MD-Only: Heavy Duty Air Cleaner | Fan Guard | 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 Unit Only)
• Construction MaterialPiston Type: Aluminum | Crankshaft Type: Dropped Forged Steel | Stainless Steel Flexible Exhaust Connection | Rubber-Booted Engine Electrical Connections
• Warranty2 Year Extended Limited Warranty (Standby Rated Units) | 1 Year Limited Warranty (Prime Rated Units)