2025 Generac Mobile Mobile Generators MDG25IF4

Information

2025 Generac Mobile Mobile Generators MDG25IF4

Quiet, easy power in a compact package - the MDG25IF4 Diesel Generator

The MDG25IF4 mobile diesel generator from Generac Mobile provides three-phase 25kVA prime power in a compact cabinet. The new cabinet design enables maximum space and transport efficiency while making the generator easy to maneuver and tow. The Final Tier 4 Isuzu engine is reliable and easy to maintain, requiring no diesel particulate filter (DPF). Standard safety features enhance safety and security on the job.

Features may include:

Compact
  • Compact size saves space on the job site
  • Small cabinet allows for 12 units on a flatbed truck
  • Integrated fork pockets and central lifting allow for easy of loading and unloading
  • Lightweight – can be towed by most work trucks and SUVs
  • Heavy gauge steel trailer EPA Tier IV Turbocharged, after-cooled diesel engine
  • All steel, rugged, square body design
Safe
  • External E-Stop is easy to locate and access in emergency situations
  • Interior cabinet and control panel lighting for enhanced visibility
  • Phase switch safety shutdown
  • Access doors with auto shutdown separates main breaker access from load cables; automatically shuts down unit if lug door is opened
  • Controller located on rear of unit away from power wires and service points and lockable for security and safety
  • Fuel access is lockable and located away from power distribution
  • LED Trailer lights
Easy to Use
  • Large access doors allow for unobstructed access to service components and includes slam latches
  • Maximized service access with removable French style doors
  • No diesel particulate filter (DPF)
  • Load mitigation device available
  • Long, 28-hour run time, 56 gallon tank requires less fill-ups for more uptime
  • 13 warning and shutdown features

Photos

Highlights

  • Edmonton, Alberta
  • 2025
  • Generac Mobile
  • Mobile Generators MDG25IF4
  • Ultra Low Sulfur Diesel | Specifications: EN 590 / ASTM D975
  • Skid: 2,010 lb (911 kg) | Trailer: 2,247 lb (1,019 kg)
  • Available
  • Skid: 36.37 in (.92 m) | Trailer: 51.75 in (1.31 m)
  • Skid: 53.5 in (1.35 m) | Trailer: 64.75 in (1.64 m)

Specifications

  • 2025
  • Generac Mobile
  • Mobile Generators
  • MDG25IF4
  • General
  • Isuzu®
  • Model: 4LE2TAGV08 | In-Line | Direct Injection High Pressure Common Rail
  • Tier 4 Final
  • 4
  • 134 in3 (2.2 L)
  • 3.35 in (85 mm)
  • 3.78 in (96 mm)
  • 17.6:1
  • Electronic
  • System Type: Radiator | Capable of operating at 120 °F (49 °C) ambient (at Prime) | 50/50 Coolant (50% Ethylene Glycol) | Coolant Drain Extension
  • Intake Air Method: Turbocharged
  • Fuel Filtering – µ: Primary: 10, Final: 2
  • Ultra Low Sulfur Diesel | Specifications: EN 590 / ASTM D975
  • 110% (Standby): 2.3 hph (8.6 L/hr) | 100%: 2.0 gph (7.4 L/hr) | 75%: 1.6 gph (6.1 L/hr) | 50%: 1.1 gph (4.2 L/hr)
  • Tires: 13 in, Tubeless
  • Size: 720 CCA | Voltage: 12 (1 Qty) | Ground Polarity: Negative (-)
  • Alternator: 12 VDC (50 A)
  • Standby Power Rating: 25 kW, 31 kVA, 60 Hz | Prime Power Rating: 20 kW, 25 kVA, 60 Hz | System Voltage: 12 VDC
  • Engine-Driven Alternator: 60 Hz | Standard Alternator | Brushless | 4-pole | 2/3 Pitch | Class H insulation | Corrosion Protection | Marathon Electric PM500 AVR | Shunt Excitation System
  • Frequency Regulation (Steady State): ±2%
  • Fan: 2,016 rpm
  • 67 dB(A) @ 23 ft (7 m) @ prime power
  • Oil: Gear Driven | Water: Belt Driven | Fuel Inject Pump – Make (Model): Denso (HP3) | Fuel: Engine Gear Driven
  • Type: Spin-On Cartridge, Full Flow
  • Single 2,000 lb. (907 kg)
  • Fan Diameter: 15.75 in (40 cm) | Fuel Supply Line Diameter: 0.375 in (9.5 mm) | Fuel Return Line Diameter: 0.375 in (9.5 mm)
  • Skid: 76 in (1.93 m) | Trailer: 139.25 in (3.53 m)
  • Skid: 36.37 in (.92 m) | Trailer: 51.75 in (1.31 m)
  • Skid: 53.5 in (1.35 m) | Trailer: 64.75 in (1.64 m)
  • Trailer: 2 in. (50.8 mm)
  • Skid: 56 gal (211 L) | Trailer: 56 gal (211 L)
  • Crankcase: 10.9 qt (10.4 L)
  • Skid: 35 hr | |Triler: 35 hr
  • Capacity: 17.6 qt (16.6 L)
  • Operating Skid: 2,450 lb (1,111 kg) | Operating Trailer: 2,771 lb (1,256 kg) | Tongue Jack with Footplate: 2,000 lb (907 kg)
  • Skid: 2,010 lb (911 kg) | Trailer: 2,247 lb (1,019 kg)
  • After Treatment System: DOC | Fan Type: Pusher | Polyethylene Fuel Tank | Padlockable Fuel Cap | Deep Sea Electronics 7310 MKII Controller | 3-Position Voltage Selection Switch | 125 A Main Circuit Breaker (MCB), Manual, with Shunt Trip | Individual Convenience Receptacle Circuit Breakers | Emergency Stop Switch | 2-Wire Remote Start/Stop Contacts | Connection Lugs | Central Lifting Point | Fully Lockable Enclosure | Multi Lingual Operating and Safety Decals | Document Holder with Owner's Manual - includes AC and DC wiring diagrams | Safety Chains with Spring Loaded Safety Hooks | Transportation Tie Downs | Plug Adapter, 4-Way Flat | DOT Approved Tail, Side, Brake, and Directional Lights
  • All Steel Construction, Sound Attenuated, Insulated | UV and Fade Resistant, High Temperature Cured, White Polyester Powder Paint
  • 2 year limited or 2,000 hours | Unlimited hours covered in first year