Hobart 4400 90KVA
The Hobart 4400 GPU is a mobile, trailer-mounted ground power unit offering up to 90 kVA 400 Hz AC and optional 28.5 V DC output, ideal for powering aircraft at the gate. Built for durability and low noise, it’s easy to maneuver via fifth-wheel steering and features a rugged polyethylene canopy for impact resistance and improved ramp safety.
KEY FEATURES:
Delivers 90 kVA 400 Hz three-phase AC power, with optional 28.5 V DC Active Rectifier Unit (ARU)
Low-profile, towable trailer with fifth-wheel steering, ideal for tight ramp spaces
Quiet and fuel-efficient operation with Cummins QSB4.5 diesel engine (Tier 3 / Stage 3A or Tier 4 options)
Durable, recyclable polyethylene canopy and cable trays that resist impact and corrosion
User-friendly interface with icon-based LCD, customizable language support, and software updates via USB
Dual-voltage capability enables simultaneous AC and DC power without compromise
TECHNICAL SPECIFICATIONS:
AC Output 90 kVA, 400 Hz, 3-phase (115/200 VAC)
DC Output (Optional) 28.5 V regulated via ARU
Engine Cummins QSB4.5 diesel (Tier 3 / Stage 3A)
Design Towable trailer with fifth-wheel steering
Canopy Material Medium-density polyethylene, fully recyclable
Control Interface Icon-based LCD with USB software update capability
Weight & Dimensions ~4,000 lb dry weight; ~103″ (L) w/ towbar
Cooling & Noise Double-skin canopy for quieter operations
Power Management Supports dual, simultaneous AC/DC outputs
