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2025 Generac Mobile Stationary Generators MD500-T4

2025 Generac Mobile Stationary Generators MD500-T4

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  • Model Stationary Generators
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2025 Generac Mobile Stationary Generators MD500-T4

2025 Generac Mobile Stationary Generators MD500-T4

  • Year 2025
  • Manufacturer Generac Mobile
  • Model Name Stationary Generators
  • Trim Name MD500-T4
  • Generic Type (Primary) General
  • Engine Manufacturer Perkin
  • Engine Type Model: 2806F-E18TAG1 | In-line
  • Emissions EPA Emissions Compliance: Tier 4 Final
  • Cylinder Liners 6
  • Displacement 1,104 in3 (18.1 L)
  • Bore 5.7 in (145 mm)
  • Stroke 7.2 in (183 mm)
  • Compression Ratio 16.0:1
  • Intake Design Air Method: Turbocharged/Aftercooled
  • Governor Electronic
  • Cooling Type: Water Cooled | Factory-Installed Radiator | 50/50 Ethylene Glycol Antifreeze | Radiator Drain Extension
  • Engine Power Horespower at Rated kW: 744 hp | Three-Phase 120/208 VAC @0.8pf. 500 kW / 1,735 Amps | Three-Phase 120/240 VAC @0.8pf: 500 kW / 1,504 Amps | Three-Phase 277/480 VAC @0.8pf: 500 kW / 752 Amps
  • Rated Engine Speed 1,800 RPM

2025 Generac Mobile Stationary Generators MD500-T4

Discover our latest innovation: the 18.1L Tier 4 Final 500 kW Diesel Generator Unit. This state-of-the-art generator is designed to meet the stringent Tier 4 Final emission standards, making it an environmentally responsible choice for your power generation needs. This unit is factory-certified and features the Perkins D18.1L Tier 4 Emissions solution, LS TAL alternators and a DSE G8601 controller. Join us in redefining the standards of industrial energy solutions. Be a part of the sustainable future.

Features may include:

Compact Design
  • Compact Design for Easier Installation
Turnkey Design
  • Turnkey Design for Streamlined Operations
High-Performance
  • High-Performance Output with Easy Integration
Sustainable Operations
  • Future-Ready for Sustainable Operations

Engine

Engine Manufacturer Perkin
Engine Type Model: 2806F-E18TAG1 | In-line
Emissions EPA Emissions Compliance: Tier 4 Final
Cylinder Liners 6
Displacement 1,104 in3 (18.1 L)
Bore 5.7 in (145 mm)
Stroke 7.2 in (183 mm)
Compression Ratio 16.0:1
Intake Design Air Method: Turbocharged/Aftercooled
Governor Electronic
Cooling Type: Water Cooled | Factory-Installed Radiator | 50/50 Ethylene Glycol Antifreeze | Radiator Drain Extension
Engine Power Horespower at Rated kW: 744 hp | Three-Phase 120/208 VAC @0.8pf. 500 kW / 1,735 Amps | Three-Phase 120/240 VAC @0.8pf: 500 kW / 1,504 Amps | Three-Phase 277/480 VAC @0.8pf: 500 kW / 752 Amps
Rated Engine Speed 1,800 RPM

Fuel System

Fuel Type Ultra Low Sulfur Diesel | Specifications: ASTM D975 D2
Fuel System Filtering – µ: Primary- 10 / Final- 4 | Padlockable External DEF Fill Cap | Two Fuel Filters and a Fuel/Water Separator
Fuel Injection Type: Electronically Controlled Unit Injector (MEUI)
Fuel Usage, 100% Load 25% (Standby): 12.3 gph (46.4 Lph) | 50% (Standby): 19.7 gph (74.9 Lph) | 70% (Standby): 26.1 gph (99.0 Lph) | 75% (Standby): 27.8 gph (105.3 Lph) | 91.2% (Prime): 33.0 gph (124.9 Lph) | 100% (Standby): 36.5 gph (138.3 Lph) | 100% Load DEF: 1.3 gph (4.9 Lph) | 91.2% Load DEF: 1.2 gph (4.5 Lph) | 75% Load DEF: 1.0 gph (3.8 Lph) | 70% Load DEF: 0.9 gph (3.4 Lph) | 50% Load DEF: 0.9 gph (3.4 Lph) | 25% Load DEF: 0.4 gpm (1.5 Lph)

Battery

Battery Size: See Battery Index 0161970SBY | Voltage: (2) - 12 VDC

Electric

Electrical System Voltage: 24 VDC | Ground Polarity: Negative
Alternator Standard Model: K0552124N27 | Poles: 4 | Field Type: Revolving | Insulation Class - Rotor: H | Insulation Class - Stator: H | Total Harmonic Distortion: <5% (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™ | 12 Leads (3-Phase, Non-600V) | Class H Insulation Material | 2/3 Pitch | Amortisseur Winding | Permanent Magnet Excitation | Sealed Bearings | Full Load Capacity Alternator | Main Line Circuit Breaker

Operational

Operating Conditions Frequency Regulation (Steady State): ±0.75% | Heat Rejection to Coolant: 966,495 BTU/hr (283 kW)
Operating Speed Fan: Variable Speed Clutch | Piston: 2,021 ft/min (616 m/min)
Operating Temperature, Maximum Exhaust Temperature (Rated Output - Post Silencer): 911 °f (2,041 °C)
Run Time Per Tankful Open Set: 26.9 Hours | Level 0 Sound Attenuated Enclosure: 26.9 Hours | Level 1 Sound Attenuated Enclosure: 26.9 Hours | Level 2 Sound Attenuated Enclosure: 26.9 Hours

Hydraulics

Pump Type Oil: Gear | Water: Engine Gear Driven | Fuel: Engine Gear Driven Lift Pump
Oil Filter Filter: Type Spin-On Cartridge
Hydraulic Flow Coolant Flow: 97.7 gpm (370 Lpm)
Airflow Inlet Air: 25,603 cfm (725 m3/min) | Flow at Rated Powe: 1,338.4 cfm (37.9 m3/min) | Exhaust Flow (Rated Output): 935 cfm (26.5 m3/min)
Maximum Pressure Maximum Radiator Backpressure: 2.57 in H2O (0.64 kPa) | BMEP: 246 psi (2,041 kPa) | Maximum Allowable Exhaust Backpressure (Post Turbo): 168 inHg (42 kPa)

Dimensions

Dimensions Fan Diameter: 46 in (1,168 mm) |Fuel Pump Lift 9.8 ft (3 m)
Length Open Set: 188.5 in (4,790 mm) | Level 0 Sound Attenuated Enclosure: 207.5 in (5,270 mm) | Level 1 Sound Attenuated Enclosure: 247.5 in (6,287 mm) | Level 2 Sound Attenuated Enclosure: 207.4 in (5,268 mm)
Width Open Set: 71.0 in (1,803 mm) | Level 0 Sound Attenuated Enclosure: 71.0 in (1,803 mm) | Level 1 Sound Attenuated Enclosure: 71.0 in (1,803 mm) | Level 2 Sound Attenuated Enclosure: 71.0 in (1,803 mm)
Height Open Set: 116.8 in (2,967 mm) | Level 0 Sound Attenuated Enclosure: 115.9 in (2,944 mm) | Level 1 Sound Attenuated Enclosure: 115.7 in (2,940 mm) | Level 2 Sound Attenuated Enclosure: 157.2 in (3,992 mm) | Level 2 Sound Attenuated Enclosure without louvers: 149.9 in (3807 mm)

Capacities

Oil capacity Crankcase: 78.2 qt (74.0 L)
Cooling System Coolant Capacity: 16.7 gal (63.2 L)
Fuel Capacity Open Set: 703 gal (2,661 L) | Level 0 Sound Attenuated Enclosure: 703 gal (2,661 L) | Level 1 Sound Attenuated Enclosure: 703 gal (2,661 L) | Level 2 Sound Attenuated Enclosure: 703 gal (2,661 L)

Weights

Weight Open Set: Contact Factory | Level 0 Sound Attenuated Enclosure Steel: 2,467 lbs (1,119 kg) | Level 0 Sound Attenuated Enclosure Aluminum: 1,380 lbs (626 kg) | Level 1 Sound Attenuated Enclosure Steel: 3,472 lbs (1,575 kg) | Level 1 Sound Attenuated Enclosure Aluminum: 1,812 lbs (622 kg) | Level 2 Sound Attenuated Enclosure Steel: 3,809 lbs (1,728 kg) | Level 2 Sound Attenuated Enclosure Aluminum: 1,955 lbs (887 kg)

Features

Features After-Treatment System: EGR, DOC, SCR, and DPF | Fan Type: Pusher | Oil Drain System | 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 | Separation of Circuits - High/Low Voltage | Separation of Circuits - Multiple Breakers | Standard Factory Testing | UL 142 | Double Wall | Factory Pressure Tested (2 psi) | Rupture Basin Alarm | Fuel Level | Fuel Line Hose | Electronic Fuel Level
Construction Material Rubber-Booted Engine Electrical Connections | Stainless Steel Hardware

Warranty

Warranty 2 Year Limited Warranty (Standby Rated Units) | Year Limited Warranty (Prime Rated Units)

Product Photography