Generac MDG250 Mobile Diesel Generator – 250 kVA

Generac MDG250 Mobile Diesel Generator

The Generac MDG250 is the flagship of the mobile diesel generator lineup, delivering 250 kVA of reliable power. Featuring a robust John Deere 6.8L engine with Tier 4 Final emissions compliance, this unit is designed for the most demanding power requirements.

Power Output

Voltage Configurations

• Standard: 480/277V 3P, 240/139V 3P, 208/120V 3P (Linkboard)
• Optional: 600/346V 3P VFLEX, 240/120V 3P (3/4-Position Switch)

Engine Specifications

• Engine: John Deere 6.8L Diesel (Tier 4 Final)
• Oil Change Interval: 500 hours
• Positive Air Shutdown: Optional
• Load Management: Standard ETM (Exhaust Temperature Management)

Fuel System

• Standard Fuel Capacity: 358 gallons (1355L)
• Optional Fuel Capacity: 513 gallons (1942L)
• Runtime at 75% Prime: 30 hours
• DEF Capacity: 34 gallons (130L)
• Auxiliary Fuel Connections: Optional

Alternator

• Model: Marathon
• Excitation: Auxiliary Winding
• SUPERSTART: Optional
• Starting kVA: 440/950 @ 480V with 20% voltage dip

Control System

• Controller: DSE 7310 MKII
• PMG: Optional
• DVR: Optional
• Paralleling: Optional

Distribution

• Connection Lugs: Standard
• Cam Lock Sets: 2 Optional
• Buck Transformer: Optional
• 120V 20A GFCI Duplex Receptacles: 2 Standard
• 120/240V 50A CS6369 Twistlock Receptacle: 3 Standard

Enclosure and Transport

• Sound Level: 78 dB(A) at 23 ft at 100% PRP
• Containment: Optional
• Trailer: Dual Axle
• Skid: Available
• CSA Certified: Yes

Cold Weather Operation

• Standard Operating Temp: 32F / 0C minimum
• With Cold Weather Options: -40F / -40C
• Cold Start Options: Optional