Generac SD300 Industrial Diesel Generator Set
300 kW | 10.3L | EPA Certified Stationary Emergency
Overview
The Generac SD300 is an industrial diesel generator set designed for stationary emergency power applications. It offers a standby power rating of 300 kW (375 kVA) at 60 Hz and a prime power rating of 270 kW (338 kVA) at 60 Hz.
Codes and Standards
Generac products adhere to the following standards:
- UL2200, UL508, UL142, UL489
- NFPA 37, 70, 99, 110
- NEC700, 701, 702, 708
- ISO 3046, 7637, 8528, 9001
- NEMA ICS10, MG1, 250, ICS6, AB1
- ANSI C62.41
- IBC 2009, CBC 2010, IBC 2012, ASCE 7-05, ASCE 7-10, ICC-ES AC-156 (2012)
Powering Ahead
With over 50 years of experience, Generac is a leader in innovative design and superior manufacturing. Generac manufactures most of its generator components, ensuring high quality. The gensets offer various options and configurations to meet diverse standby power needs. Generac selects reliable engines proven in heavy-duty industrial applications. The company is committed to providing excellent customer service and support.
Standard Features
Engine System
- Oil Drain Extension
- Heavy Duty Air Cleaner
- Fan Guard
- Stainless Steel Flexible Exhaust Connection
- Factory Filled Oil & Coolant
- Radiator Duct Adapter (Open Set Only)
Fuel System
- Fuel Lockoff Solenoid
- Primary Fuel Filter
Cooling System
- Closed Coolant Recovery System
- UV/Ozone Resistant Hoses
- Factory-Installed Radiator
- Radiator Drain Extension
- 50/50 Ethylene Glycol Antifreeze
- 120 VAC Coolant Heater
Electrical System
- Battery Charging Alternator
- Battery Cables
- Battery Tray
- Rubber-Booted Engine Electrical Connections
- Solenoid Activated Starter Motor
Alternator System
- 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
- Protective Thermal Switch
Generator Set
- Internal Genset Vibration Isolation
- Separation of Circuits - High/Low Voltage
- Separation of Circuits - Multiple Breakers
- Wrapped Exhaust Piping
- Standard Factory Testing
- 2 Year Limited Warranty (Standby Rated Units)
- 1 Year Limited Warranty (Prime Rated Units)
- Silencer Mounted in the Discharge Hood (Enclosed Only)
Enclosure (if selected)
- Rust-Proof Fasteners with Nylon Washers to Protect Finish
- High Performance Sound-Absorbing Material (Sound Attenuation Enclosures)
- Gasketed Doors
- Stamped Air-Intake Louvers
- Upward Facing Discharge Hoods (Radiator and Exhaust)
- Stainless Steel Lift Off Door Hinges
- Stainless Steel Lockable Handles
- Rhino Coat™ - Textured Polyester Powder Coat Paint
Tanks (if selected)
- UL 142
- Double Wall
- Vents
- Sloped Top
- Sloped Bottom
- Factory Pressure Tested (2 psi)
- Rupture Basin Alarm
- Fuel Level
- Check Valve In Supply and Return Lines
- Rhino Coat™ - Textured Polyester Powder Coat Paint
- Stainless Steel Hardware
Control System
Digital H Control Panel - Dual 4x20 Display
Program Functions
- Programmable Crank Limiter
- 7-Day Programmable Exerciser
- Special Applications Programmable Logic Controller
- RS-232/485 Communications
- 3 Phase Sensing Digital Voltage Regulator
- 2-Wire Start Capability
- Date/Time Fault History (Event Log)
- Isochronous Governor Control
- Waterproof/Sealed Connectors
System Operation & Alarms
- Audible Alarms and Shutdowns
- Not in Auto (Flashing Light)
- Auto/Off/Manual Switch
- E-Stop (Red Mushroom-Type)
- NFPA110 Level I and II (Programmable)
- Customizable Alarms, Warnings, and Events
- Modbus® protocol
- Predictive Maintenance Algorithm
- Sealed Boards
- Password Parameter Adjustment Protection
- Single Point Ground
- 16 Channel Remote Trending
- 0.2msec High Speed Remote Trending
- Alarm Information Automatically Annunciated on the Display
Full System Status Display
- Power Output (kW)
- Power Factor
- kW Hours, Total & Last Run
- Real/Reactive/Apparent Power
- All Phase AC Voltage
- All Phase Currents
- Oil Pressure
- Coolant Temperature
- Coolant Level
- Engine Speed
- Battery Voltage
- Frequency
Alarms and Warnings
- Oil Pressure
- Coolant Temperature
- Coolant Level
- Engine Overspeed
- Battery Voltage
- Alarms & Warnings Time and Date Stamped
- Snap Shots of Key Operation Parameters During Alarms & Warnings
- Alarms and Warnings Spelled Out (No Alarm Codes)
Configurable Options
Engine System
- Oil Make-Up System
- Oil Heater
- Critical Exhaust Silencer
Fuel System
- Flexible Fuel Lines
- Primary Fuel Filter
Electrical System
- 10A UL Battery Charger
- Battery Warmer
Alternator System
- Alternator Upsizing
- Anti-Condensation Heater
- Tropical Coating
Circuit Breaker Options
- Main Line Circuit Breaker
- 2nd Main Line Circuit Breaker
- Shunt Trip and Auxiliary Contact
- Electronic Trip Breakers
Engineered Options
Engine System
- Coolant Heater Ball Valves
- Fluid Containment Pan
Control System
- Spare Inputs (x4) / Outputs (x4)
- Battery Disconnect Switch
Generator Set
- GenLink® Communications Software (English Only)
- Extended Factory Testing
- IBC Seismic Certification
- 8 Position Load Center
- 2 Year Extended Warranty
- 5 Year Warranty
- 5 Year Extended Warranty
- 7 Year Extended Warranty
- 10 Year Extended Warranty
Enclosure
- Standard Enclosure
- Level 1 Sound Attenuation
- Level 2 Sound Attenuation
- Steel Enclosure
- Aluminum Enclosure
- Up to 200 MPH Wind Load Rating*
- AC/DC Enclosure Lighting Kit
- 12 VDC Enclosure Light Kit
- 120 VAC Enclosure Light Kit
Alternator System
- 3rd Breaker System
Generator Set
- Special Testing
Enclosure
- Motorized Dampers
Control System
- NFPA 110 Compliant 21-Light Remote Annunciator
- Remote Relay Assembly (8 or 16)
- Oil Temperature Sender with Indication Alarm
- Remote E-Stop (Break Glass-Type, Surface Mount)
- Remote E-Stop (Red Mushroom-Type, Surface Mount)
- Remote E-Stop (Red Mushroom-Type, Flush Mount)
- Remote Communication - Modem
- Remote Communication - Ethernet
- 10A Run Relay
- Ground Fault Indication and Protection Functions
Tanks (Size on Last Page)
- Electric Fuel Level
- Mechanical Fuel Level
- 8" Fill Extension
- 13" Fill Extension
- 19" Fill Extension
Tanks
- Overfill Protection Valve
- UL2085 Tank
- ULC S-601 Tank
- Special Fuel Tanks
- Vent Extensions
Rating Definitions
Standby: Applicable for a varying emergency load for the duration of a utility power outage with no overload capability.
Prime: Applicable for supplying power to a varying load in lieu of utility for an unlimited amount of running time. A 10% overload capacity is available for 1 out of every 12 hours. The Prime Power option is only available on International applications. Power ratings in accordance with ISO 8528-1, Second Edition.
*Consult factory for availability
Application and Engineering Data
Engine Specifications
| General | Cooling System | ||
| Make | Iveco/FPT | Cooling System Type | Closed Recovery |
| EPA Emissions Compliance | Stationary Emergency | Water Pump Type | Pre-Lubed, Self Sealing |
| EPA Emissions Reference | See Emission Data Sheet | Fan Type | Pusher |
| Cylinder # | 6 | Fan Speed (rpm) | 2250 |
| Type | In-Line | Fan Diameter - mm (in) | 762 (30.0) |
| Displacement - L (cu. in) | 10.3 (628.54) | Fuel System | |
| Bore - mm (in) | 125 (4.92) | Fuel Type | Ultra Low Sulfur Diesel Fuel |
| Stroke - mm (in) | 140 (5.51) | Fuel Specifications | ASTM |
| Compression Ratio | 16.5:1 | Fuel Filtering (microns) | 5 |
| Intake Air Method | Turbocharged/Aftercooled | Fuel Inject Pump Make | Electronic |
| Cylinder Head | 4-Valve | Fuel Pump Type | Engine Driven Gear |
| Piston Type | Aluminum | Injector Type | Common Rail |
| Crankshaft Type | Dropped Forged Steel | Engine Type | Direct Injection |
| Engine Governing | Electronic Isochronous | Fuel Supply Line - mm (in.) | 12.7 (0.5) NPT |
| Governor | Fuel Return Line - mm (in.) | 12.7 (0.5) NPT | |
| Frequency Regulation (Steady State) | ±0.25% | Engine Electrical System | |
| Lubrication System | System Voltage | 24 VDC | |
| Oil Pump Type | Gear | Battery Charger Alternator | Std |
| Oil Filter Type | Full Flow | Battery Size | See Battery Index 0161970SBY |
| Crankcase Capacity - L (qts) | 30 (31.68) | Battery Voltage | 12 VDC |
| Ground Polarity | Negative |
Alternator Specifications
| Standard Model | Standard Excitation | ||
| Poles | 4 | Bearings | Permanent Magnet Excitation |
| Field Type | Revolving | Coupling | Single Sealed Cartridge |
| Insulation Class - Rotor | H | Prototype Short Circuit Test | Direct, Flexible Disc |
| Insulation Class - Stator | H | Voltage Regulator Type | Yes |
| Total Harmonic Distortion | <5% | Number of Sensed Phases | Digital |
| Telephone Interference Factor (TIF) | < 50 | Regulation Accuracy (Steady State) | All |
Operating Data
Power Ratings
| Standby | Prime | |
| Three-Phase 120/208 VAC @0.8pf | 300 kW (Amps: 1041) | 270 kW (Amps: 937) |
| Three-Phase 120/240 VAC @0.8pf | 300 kW (Amps: 902) | 270 kW (Amps: 812) |
| Three-Phase 277/480 VAC @0.8pf | 300 kW (Amps: 451) | 270 kW (Amps: 406) |
| Three-Phase 346/600 VAC @0.8pf | 300 kW (Amps: 361) | 270 kW (Amps: 325) |
Starting Capabilities (sKVA)
sKVA vs. Voltage Dip
480 VAC
| Alternator kW | 10% | 15% | 20% | 25% | 30% | 35% | |
| Standard | 350 | 383 | 575 | 767 | 958 | 1150 | 1342 |
| Upsize 1 | 400 | 387 | 581 | 775 | 968 | 1162 | 1356 |
| Upsize 2 | 500 | 457 | 686 | 914 | 1143 | 1371 | 1600 |
208/240 VAC
| Alternator kW | 10% | 15% | 20% | 25% | 30% | 35% | |
| Standard | 350 | 280 | 410 | 535 | 640 | 770 | 900 |
| Upsize 1 | 400 | 210 | 350 | 500 | 680 | 875 | 1100 |
| Upsize 2 | 450 | 345 | 570 | 835 | 1100 | 1460 | 1710 |
Fuel Consumption Rates*
| Diesel - gal/hr (l/hr) | ||
| Percent Load | Standby | Prime |
| 25% | 7.6 (28.7) | 6.9 (26.1) |
| 50% | 12.6 (47.7) | 11.6 (43.9) |
| 75% | 17.4 (65.9) | 15.8 (59.8) |
| 100% | 22.1 (83.7) | 19.9 (75.3) |
* Fuel supply installation must accommodate fuel consumption rates at 100% load.
Cooling
| Standby | Prime | |
| Coolant Flow per Minute | 95 (360) gal/min (l/min) | 95 (360) gal/min (l/min) |
| Coolant System Capacity | 16.6 (63) gal (l) | 16.6 (63) gal (l) |
| Heat Rejection to Coolant | 814,783 BTU/hr | 733,673 BTU/hr |
| Inlet Air | 14,505 (411) cfm (m³/hr) | 14,505 (411) cfm (m³/hr) |
| Maximum Radiator Backpressure | 0.5 in H₂O | 0.5 in H₂O |
Combustion Air Requirements
| Standby | Prime | |
| Flow at Rated Power cfm (m³/min) | 850 (24.07) | 765 (21.67) |
Engine
| Standby | Prime | |
| Rated Engine Speed | 1800 rpm | 1800 rpm |
| Horsepower at Rated kW** | 480 hp | 432 hp |
| Piston Speed | 1654 ft/min | 1654 ft/min |
| BMEP | 336 psi | 302 psi |
Exhaust
| Standby | Prime | |
| Exhaust Flow (Rated Output) | 2240 (63.4) cfm (m³/min) | 2016 (57.1) cfm (m³/min) |
| Max. Backpressure (Post Silencer) | 1.5 (5.1) in Hg (Kpa) | 1.5 (5.1) in Hg (Kpa) |
| Exhaust Temp (Rated Output - Post Silencer) | 1020 (549) °F (°C) | 918 (492) °F (°C) |
| Exhaust Outlet Size (Open Set) | 101.6 (4) mm (in) | 101.6 (4) mm (in) |
** Refer to "Emissions Data Sheet" for maximum bHP for EPA and SCAQMD permitting purposes.
Deration - Operational characteristics consider maximum ambient conditions. Derate factors may apply under atypical site conditions. Please consult a Generac Power Systems Industrial Dealer for additional details. All performance ratings in accordance with ISO3046, BS5514, ISO8528 and DIN6271 standards.
Dimensions and Weights*
Open Set (Includes Exhaust Flex)
| Run Time Hours | Usable Capacity Gal (L) | L x W x H in (mm) | Weight lbs (kg) |
| No Tank | - | 136 (3454) x 58 (1473) x 68 (1727) | 5816 (2638) |
| 8 | 183 (693) | 136 (3454) x 58 (1473) x 81 (2057) | 6764 (3068) |
| 20 | 438 (1659) | 136 (3454) x 58 (1473) x 93 (2362) | 7076 (3210) |
| 31 | 693 (2624) | 136 (3454) x 58 (1473) x 105 (2667) | 7379 (3347) |
| 43 | 946 (3518) | 208 (5283) x 58 (1473) x 108 (2743) | 8841 (4010) |
| 60 | 1325 (5015) | 278 (7061) x 58 (1473) x 108 (2743) | 9856 (4471) |
Standard Enclosure
| Run Time Hours | Usable Capacity Gal (L) | L x W x H in (mm) | Weight lbs (kg) Steel | Weight lbs (kg) Aluminum |
| No Tank | - | 175 (4445) x 58 (1473) x 78 (1981) | 1295 (588) | 501 (227) |
| 8 | 183 (693) | 175 (4445) x 58 (1473) x 91 (2311) | ||
| 20 | 438 (1659) | 175 (4445) x 58 (1473) x 103 (2616) | ||
| 31 | 693 (2624) | 175 (4445) x 58 (1473) x 115 (2921) | ||
| 43 | 946 (3518) | 208 (5283) x 58 (1473) x 118 (2997) | ||
| 60 | 1325 (5015) | 278 (7061) x 58 (1473) x 118 (2997) |
Level 1 Acoustic Enclosure
| Run Time Hours | Usable Capacity Gal (L) | L x W x H in (mm) | Weight lbs (kg) Steel | Weight lbs (kg) Aluminum |
| No Tank | - | 200 (5080) x 58 (1473) x 78 (1981) | 1470 (667) | 935 (425) |
| 8 | 183 (693) | 200 (5080) x 58 (1473) x 91 (2311) | ||
| 20 | 438 (1659) | 200 (5080) x 58 (1473) x 103 (2616) | ||
| 31 | 693 (2624) | 200 (5080) x 58 (1473) x 115 (2921) | ||
| 43 | 946 (3518) | 234 (5944) x 58 (1473) x 118 (2997) | ||
| 60 | 1325 (5015) | 304 (7722) x 58 (1473) x 118 (2997) |
Level 2 Acoustic Enclosure
| Run Time Hours | Usable Capacity Gal (L) | L x W x H in (mm) | Weight lbs (kg) Steel | Weight lbs (kg) Aluminum |
| No Tank | - | 180.6 (4588) x 57.6 (1463) x 107.2 (2724) | 2515 (1141) | 1131 (514) |
| 8 | 183 (693) | 180.6 (4588) x 57.6 (1463) x 120 (3048) | ||
| 20 | 438 (1659) | 180.6 (4588) x 57.6 (1463) x 132 (3353) | ||
| 31 | 693 (2624) | 180.6 (4588) x 57.6 (1463) x 144 (3658) | ||
| 43 | 946 (3518) | 208 (5283) x 57.6 (1463) x 148(3759) | ||
| 60 | 1325 (5015) | 278 (7061) x 57.6 (1463) x 146 (3708) |
* All measurements are approximate and for estimation purposes only.
Specification characteristics may change without notice. Dimensions and weights are for preliminary purposes only. Please consult a Generac Power Systems Industrial Dealer for detailed installation drawings.
