2025 Generac Power Systems Gaseous Industrial Generator, 45kW SG045
- Year 2025
- Make Generac Power Systems
- Model Gaseous Industrial Generator, 45kW
- Engine Piston Type: Cast Aluminum Flat Top | Crankshaft Type: Forged Steel | Lifter Type: Hydraulic
2025 Generac Power Systems Gaseous Industrial Generator, 45kW SG045
2025 Generac Power Systems Gaseous Industrial Generator, 45kW SG045
45kW Gaseous GeneratorKeep all your business’s essentials up and running with a Generac 45kW generator. Take advantage of a durable enclosure that utilizes the highest level of noise reduction and weather resistance. Our natural gas generators provide the power you need with easy maintenance.
Features may include:
Spark-Ignited Engine- Generac builds its spark-ignited engines from the block up utilizing advanced engineering expertise.
- Generac engineers its generator controls with safety and convenience as top priorities.
- 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.
Engine
Engine Manufacturer
Generac
Cylinder Liners
4 | Cylinder Head: Cast Iron | Cylinder Liners: Cast Iron
Engine Type
In-Line | Intake Air Method: Naturally Aspirated
Displacement
275.0 in3 (4.5 L)
Bore
4.5 in (114.3 mm)
Stroke
4.25 in (107.95 mm)
Compression Ratio
9.94:1
Ignition
Coil Near Plug Solid State Inductive
Engine
Piston Type: Cast Aluminum Flat Top | Crankshaft Type: Forged Steel | Lifter Type: Hydraulic
Lubrication
Oil Pump Type: Gear Driven | Oil Filter Type: Full-Flow Spin-On Cartridge
Cooling
Type : Pressurized Closed | Fan Type: Pusher
Fuel System
Fuel Type
Natural Gas, Propane
Fuel Injection
Electronic
Fuel System
Fuel Shut Off: Dual | NG Operating Fuel Pressure: 5 - 14 in H2O (1.2 - 3.5 kPa) | LP Operating Fuel Pressure: 7 - 14 in H2O (1.7 - 3.5 kPa)
Drivetrain
Governor
Electronic | Frequency Regulation (Steady State): ±0.25%
Battery
Battery
Size: See Battery Index 0161970SBY | Voltage: 12 VDC | Ground Polarity: Negative
Electric
Electrical
System Voltage: 12 VDC
Alternator
Model: K0045124Y21 | Poles: 4 | Field Type: Revolving | Insulation Class - Rotor: H | Insulation Class - Stator: H | Total Harmonic Distortion: <5% (3-Phase Only) | Telephone Interference Factor (TIF): <50 | Standard Excitation: Synchronous Brushless | Bearings: Sealed Ball | Coupling: Direct via Flexible Disc | Voltage Regulator Type: Full Digital | Number of Sensed Phases: All | Regulation Accuracy (Steady State): ±0.25%
Operational
Fan Speed
Cooling: 2,100 RPM
Dimensions
Fan Diameter
20 in (508 mm)
Capacities
Oil capacity
Crankcase Capacity: 21 qt (20 L)
Features
Features
Number of Main Bearings: 5 | Connecting Rods: Forged Steel, Fractured Split, Bushingless | Hardened Valve Seats: High Steel Iron Alloy
Construction Material
Intake Valve Material: Stainless Steel | Exhaust Valve Material: Stainless Steel