2025 Generac Mobile Mobile Generators MDG250DF4
- Year 2025
- Make Generac Mobile
- Model Mobile Generators
- Engine Approved for use with Hydrotreated Vegetable Oil (HVO) Fuels Compliant with ASTM D975 or EN 15940
2025 Generac Mobile Mobile Generators MDG250DF4
2025 Generac Mobile Mobile Generators MDG250DF4
Powerful, Reliable, Full-Featured Final Tier 4 PowerThe MDG250DF4 mobile diesel generator delivers maximum performance and versatility. The turbocharged, 6-cylinder John Deere® Final Tier 4 engine is reliable and durable. Selective catalytic reduction (SCR) exhaust after-treatment limits harmful emissions and minimizes soot buildup. The aluminum, sound-attenuated enclosure provides quiet operation and is rust proof for a long-lasting, attractive appearance.
Features may include:
Safe and Easy to Use- Simplified Controller- Deep Sea® DSE7310 with an easy-to-read status screen
- A powerful processor with intuitive operation and real time operational data
- Programmable controller providing flexible application capabilities
- Distribution cables located away from controls for safer operation
- Fully treaded fenders for enhanced traction during service
- Wide doors for easy access during maintenance
- Diesel oxidation catalyst (DOC) and selective catalytic reduction (SCR) aftertreatment components
- 500 hour service interval
- 250 kVA Prime Power
- 6.8 L turbocharged John Deere Final Tier 4 diesel engine
- Sound attenuated, rust-proof aluminum cabinet
- 2 year / 2000 hour warranty
- Single Phase - Three Phase switch
- Operational at 60 Hz
- Parallel-ready design accommodates up to 32 generators
- Cold weather options allow for optimum performance in extreme cold conditions
Engine
Engine Manufacturer
John Deere
Engine Type
Model: 6068HFG06 | Tier 4 Final | Direct Injection High Pressure Common Rail
Cylinder Liners
6
Displacement
415 in3 (6.8 L)
Bore
4.2 in (106 mm)
Stroke
5.0 in (127.0 mm)
Compression Ratio
16.7:1
Engine
Approved for use with Hydrotreated Vegetable Oil (HVO) Fuels Compliant with ASTM D975 or EN 15940
Cooling
System Type: Pressurized Closed | Capable of Operating at 108 °F (42 °C) Ambient (at Prime) | 50/50 Coolant (50% Ethylene Glycol) Coolant Drain Extension
Governor
Electronic
Intake Design
Intake Air Method: Turbocharged & Aftercooled
Fuel System
Fuel Injection
Type: Electronic
Fuel Type
Ultra Low Sulfur Diesel | Specifications: EN 590 / ASTM D975
Fuel System
Filtering Primary: 10 | Filtering Final: 2 | Single Wall Fuel Tank | Padlockable Fuel Cap
Fuel Usage, 100% Load
Fuel 110% (Standby): 15.2 gph (57.5 L/hr) | DEF 110% (Standby): 0.51 gph (1.93 L/hr) | Fuel 100% : 13.9 gph (52.8 L/hr) | DEF 100%: 0.45 gph (1.70 L/hr) | Fuel 75% 10.4 gph (39.3 L/hr) | DEF 75%: 0.34 gph (1.29 L/hr) | Fuel 50%: 7.2 gph (27.4 L /hr) | DEF 50%: 0.23 gph (0.87 L) | Fuel 25%: 4.4 gph (16.7 L/hr) | DEF 25%: 0.11 gph (0.42 L/hr)
Brakes
Brake System Type
Hydraulic Surge Brakes
Wheels & Tires
Wheels
Tires: 235/80, 17.5 in. Rim
Battery
Battery
950 CCA | 12 V (1 Qty)
Electric
Electrical
System Voltage: 12 VDC | Ground Polarity: Negative (-)
Alternator
60 Hz Engine-Driven Alternator | Standard | Brushless | 4 Pole | 2/3 Pitch | Class H Insulation | Corrosion Protection | Deep Sea® DSEA109 Automatic Voltage Regulator | Shunt Excitation System
Operational
Operating Conditions
Frequency Regulation (Steady State): 2%
Operating Speed
Fan Speed RPM: Variable Speed Clutch
Performance
Noise Level
75 dB(A) @ 23 ft (7 m) @ 100% PRP
Hydraulics
Pump Type
Oil: Gear Driven | Water: Engine Belt Driven | Fuel Injection – Make (Model): Denso (HP6) | Fuel: Engine Gear Driven |
Oil Filter
Type: Spin-On Cartridge, Full Flow
Chassis
Axle Count
Two 7,000 lb (3,175 kg) Axles
Dimensions
Dimensions
Fan Diameter: 28 in (710 mm) | Fuel Supply Line Diameter: 0.375 in (9.5 mm) | Fuel Return Line Diameter: 0.375 in (9.5 mm) | Pintle Ring, Adjustable: 3 in. (76.2 mm)
Length
Skid: 145 in (3.7 m)
Width
Skid: 60 in (1.5 m)
Height
Skid: 85 in (2.1 m)
Capacities
Oil capacity
Engine: 34.3 qt (32.5 L)
Cooling System
Capacity: 44 qt (42 L)
Run Time Per Tankful
Skid/Trailer (Runtime based on 75% of primer rated power): 33 hr/33 hr
Fuel Capacity
Fuel Total (Maximum Runtime @ 75% Load: 33 Hr): 358 gal (1,355 L) | Fuel Usable (Maximum Runtime @ 75% Load: 33 Hr): 343 gal (1,298 L) | DEF Total: 34.5 gal (130.6 L) | DEF Usable: 28.5 gal (107.9 L)
Weights
Weight
Skid: 6,898 lb (3,129 kg) | Trailer: 8,863 lb (4,020 kg)
Dry Weight
Skid Operating: 9.411 lb (4,269 kg) | Trailer Operating: 11,376 lb (5,160 kg)
Features
Features
After Treatment System: DOC and SCR | Fan Type: Pusher | Paper Element Air FilterElectronic Isochronous Governing | Variable Speed Fan | Spin On Cartridge Oil Filter | Oil Drain Extension | One Fuel/Water Separator-Filter | One Fuel Filter | One 12 V, 950 CCA, Wet Cell Battery | Deep Sea Electronics® 7310 MkII Controller3-Position Voltage Selection Switch | 900 A Main Circuit Breaker (Mcb), Manual, with Shunt Trip | Individual Convenience Receptacle Circuit Breakers | Emergency Stop Switch | Remote 2-Wire Start/Stop Contacts | Connection Lugs | Convenience Receptacles: Two 120 V, 20 A, GFCI Duplex (NEMA 5-20R), Three 120/240 V, 50 A, 3 Pole, 4 Wire Twistlock (CS6369) | Central Lifting Point | Control Panel Lights | Interior Lights | Fully Lockable Enclosure | Multi Lingual Operating and Safety Decals | Document Holder with Owner's Manual - Includes AC and DC Wiring Diagrams | Heavy Duty Trailer Jack | Safety Chains with Spring Loaded Safety Hooks | Transportation Tie Downs | Plug Adapter, Round 7 Spade (SAE J2863) | DOT Approved Tail, Side, Brake, and Directional Lights
Construction Material
Aluminum, Sound Attenuated Enclosure, Insulated and Baffled | UV and Fade Resistant, High Temperature Cured, White Polyester Powder Paint
Warranty
Warranty
2 year Limited or 2,000 Hours | Unlimited Hours Covered in First Year