2025 Generac Mobile Stationary Generators MD500
- Year 2025
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- Model Stationary Generators
2025 Generac Mobile Stationary Generators MD500
2025 Generac Mobile Stationary Generators MD500
Generac's national industrial dealer network of factory-certified technicians provide expertise in everything from system design to diagnostics and repairs. With our products, failure is not an option. The 500kW diesel generator is available in SD (single unit) and MD (modular/paralleling) models. There are several standard, configured, and engineered options. It has a 6 cylinder engine and is available in a three-phase system. It has the power of 601-1735 amps. Open, standard, and level 1 or 2 enclosures are available options.
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
In-Line | Pre-Combustion
Displacement
927.56 in3 (15.2 L)
Bore
5.39 in (137 mm)
Stroke
6.73 in (171 mm)
Compression Ratio
16.0:1
Intake Design
Air Method: Turbocharged/Aftercooled
Governor
Electronic Isochronous | Closed Coolant Recovery System | UV/Ozone Resistant Hoses | Factory-Installed Radiator | 50/50 Ethylene Glycol Antifreeze | Radiator Drain Extension
Cooling
Closed Recovery
Engine Power
Horsepower at Rated kW: 755 hp | Three-Phase 277/480 VAC @0.8pf: 500 kW / 752 Amps | Three-Phase 346/600 VAC @0.8pf: 500 kW / 601 Amps
Rated Engine Speed
1,800 RPM
Fuel System
Fuel Type
Ultra Low Sulfur Diesel #2
Fuel System
Carburetor: ASTM | Filtering (Microns): Primary 10 - Secondary 2 | Primary Fuel Filter
Fuel Injection
Type: MEUI
Fuel Usage, 100% Load
25%: 11.2 gph (42.3 Lph) | 50%: 17.5 gph (66.3 Lph) | 75% 24.2 gph (91.4 Lph) | 100%: 32.0 gph (121.1 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: K0500124Y23 | Poles: 4 | Field Type: Revolving | Insulation Class - Rotor: H | Insulation Class - Stator: H | Total Harmonic Distortion: <3% (3-Phase) | 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™ | Class H Insulation Material | Vented Rotor | 2/3 Pitch | Skewed Stator | Amortisseur Winding | Permanent Manget Excitation | Sealed Bearings | Full Load Capacity Alternator | Protective Thermal Switch | Main Line Circuit Breaker
Operational
Operating Conditions
Frequency Regulation (Steady State): ±0.25% | Heat Rejection to Coolant: 648,307 BTU/hr (190 kW)
Operating Speed
Fan: 1,658 RPM | Piston: 2,020 ft/min (616 m/min)
Operating Temperature, Maximum
Exhaust Temp (Rated Output - Post Silencer): 1,022 °F (550 °c)
Hydraulics
Pump Type
Oil: Gear | Water: Centrifugal Type, Belt-Driven | Fuel Inject Make: Electronic
Oil Filter
Type: Full-Flow
Hydraulic Flow
Total Fuel Pump Flow (Combustion + Return): 121 gph (457 Lph) | Coolant Flow: 114.1 gpm (432 Lpm)
Airflow
Inlet Air: 30,582 scfm (866 m3/min) | Flow at Rated Power: 1,483 scfm (42 m3/min) | Exhaust Flow (Rated Output): 3,955 scfm (112 m3/min)
Maximum Pressure
Maximum Radiator Backpressure: 0.5 in H2O (0.12 kPa) | BMEP: 358 psi (2,468 kPa) | Max. Backpressure (Post Silencer). 2.01 inHg (6.8 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 (3.7 m)
Capacities
Oil capacity
Crankcase: 47.55 qt (45 L)
Cooling System
Coolant System Capacity: 15.5 gal (586 L)
Features
Features
Cylinder Head Type: 4-Valve | Crankshaft Type: I-Beam Section | Fan Type: Pusher | Oil Drain Extension | Heavy Duty Air Cleaner | Fan Guard | Critical Silencer (Enclosed Units 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 (Enclosed Units Only) | Standard Factory Testing | Silencer Mounted in the Discharge Hood (Enclosed Units Only)
Construction Material
Piston Type: Aluminum | 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)