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Standard Features
- 2 year Tronair Platinum warranty
- Under 52dB during normal operation, 60dB maximum
- Clean power, low voltage ripple <.2 VDC RMS
- 15 A, 220 VAC, duplex GFCI weatherproof receptacle with cover on 50 Hz Models
- MIL-STD-704F and 18" NEC compliant
- Energy saving thermal control cooling fan
- Low profile fits under most wings
- Sturdy all weather IP54 enclosure with cord hangers
- Long life LED indicator lights that double as diagnostic tool
- 20 ft (6.1 m) output cable with AN2551 aircraft DC connector on Single Models
- 20 ft (6.1 m) and 50 ft (15.24 m) output cable with AN2551 aircraft DC connector on Dual Models (NOTE: 50 ft cable NOT used for starting engines)
- Main disconnect switch
- DC On/Off switch
- Emergency stop switch
- Large 9 in (23 cm) rubber ridgid and lockable swivel casters for easy maneuverability
- Simple to use
- 50 ft (12.2 m) input cable [100 ft (30.5 m) input cable optional] electric plug not included on input cable
- Easy to change multi-volt transformer
- CE marked
- Finish: Durable Powder Coat Tronair Blue
- Input:
- Voltage Range 200-480V +/- 10%+/- 10%
- Power 25 KVA
- Phase 3
- Frequency 50 or 60 Hz
- Output:
- Voltage 28.5 VDC
- Current Limit (Adjustable) 100-2000 max amps DC
- Continuous Power 600 amps at 28.5 VDC
- Starting Power 2000 amps
- Protection:
- Output over/under voltage
- Output over current
- Input phase loss detection, missing phase
- Input over/under voltage
- Input Circuit Breaker 100 amps
- Transformer over temperature
- SCR over temperature
Variants
- 112850D0000 - 50Hz, Dual System, No Input Cord
- 112850D0100 - 50Hz, Dual System, 50FT Input Cord
- Currently Viewing 112850D0200 - 50Hz, Dual System, 100FT Input Cord
- 112850S0000 - 50Hz, Single System, No Input Cord
- 112850S0100 - 50Hz, Single System, 50FT Input Cord
- 112850S0200 - 50Hz, Single System, 100FT Input Cord
- 112860D0000 - 60Hz, Dual System, No Input Cord
- 112860D0100 - 60Hz, Dual System, 50FT Input Cord
- 112860D0200 - 60Hz, Dual System, 100FT Input Cord
- 112860S0000 - 60Hz, Single System, No Input Cord
- 112860S0100 - 60Hz, Single System, 50FT Input Cord
- 112860S0200 - 60Hz, Single System, 100FT Input Cord
Aircraft Applications: -
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Standard Features
- 2 year Tronair Platinum warranty
- Under 52dB during normal operation, 60dB maximum
- Clean power, low voltage ripple <.2 VDC RMS
- 15 A, 220 VAC, duplex GFCI weatherproof receptacle with cover on 50 Hz Models
- MIL-STD-704F and 18" NEC compliant
- Energy saving thermal control cooling fan
- Low profile fits under most wings
- Sturdy all weather IP54 enclosure with cord hangers
- Long life LED indicator lights that double as diagnostic tool
- 20 ft (6.1 m) output cable with AN2551 aircraft DC connector on Single Models
- 20 ft (6.1 m) and 50 ft (15.24 m) output cable with AN2551 aircraft DC connector on Dual Models (NOTE: 50 ft cable NOT used for starting engines)
- Main disconnect switch
- DC On/Off switch
- Emergency stop switch
- Large 9 in (23 cm) rubber ridgid and lockable swivel casters for easy maneuverability
- Simple to use
- 50 ft (12.2 m) input cable [100 ft (30.5 m) input cable optional] electric plug not included on input cable
- Easy to change multi-volt transformer
- CE marked
- Finish: Durable Powder Coat Tronair Blue
- Input:
- Voltage Range 200-480V +/- 10%+/- 10%
- Power 25 KVA
- Phase 3
- Frequency 50 or 60 Hz
- Output:
- Voltage 28.5 VDC
- Current Limit (Adjustable) 100-2000 max amps DC
- Continuous Power 600 amps at 28.5 VDC
- Starting Power 2000 amps
- Protection:
- Output over/under voltage
- Output over current
- Input phase loss detection, missing phase
- Input over/under voltage
- Input Circuit Breaker 100 amps
- Transformer over temperature
- SCR over temperature
Variants
- 112850D0000 - 50Hz, Dual System, No Input Cord
- Currently Viewing 112850D0100 - 50Hz, Dual System, 50FT Input Cord
- 112850D0200 - 50Hz, Dual System, 100FT Input Cord
- 112850S0000 - 50Hz, Single System, No Input Cord
- 112850S0100 - 50Hz, Single System, 50FT Input Cord
- 112850S0200 - 50Hz, Single System, 100FT Input Cord
- 112860D0000 - 60Hz, Dual System, No Input Cord
- 112860D0100 - 60Hz, Dual System, 50FT Input Cord
- 112860D0200 - 60Hz, Dual System, 100FT Input Cord
- 112860S0000 - 60Hz, Single System, No Input Cord
- 112860S0100 - 60Hz, Single System, 50FT Input Cord
- 112860S0200 - 60Hz, Single System, 100FT Input Cord
Aircraft Applications: -
Standard Features
- 2 year Tronair Platinum warranty
- Under 52dB during normal operation, 60dB maximum
- Clean power, low voltage ripple <.2 VDC RMS
- 15 A, 220 VAC, duplex GFCI weatherproof receptacle with cover on 50 Hz Models
- MIL-STD-704F and 18" NEC compliant
- Energy saving thermal control cooling fan
- Low profile fits under most wings
- Sturdy all weather IP54 enclosure with cord hangers
- Long life LED indicator lights that double as diagnostic tool
- 20 ft (6.1 m) output cable with AN2551 aircraft DC connector on Single Models
- 20 ft (6.1 m) and 50 ft (15.24 m) output cable with AN2551 aircraft DC connector on Dual Models (NOTE: 50 ft cable NOT used for starting engines)
- Main disconnect switch
- DC On/Off switch
- Emergency stop switch
- Large 9 in (23 cm) rubber ridgid and lockable swivel casters for easy maneuverability
- Simple to use
- 50 ft (12.2 m) input cable [100 ft (30.5 m) input cable optional] electric plug not included on input cable
- Easy to change multi-volt transformer
- CE marked
- Finish: Durable Powder Coat Tronair Blue
- Input:
- Voltage Range 200-480V +/- 10%+/- 10%
- Power 25 KVA
- Phase 3
- Frequency 50 or 60 Hz
- Output:
- Voltage 28.5 VDC
- Current Limit (Adjustable) 100-2000 max amps DC
- Continuous Power 600 amps at 28.5 VDC
- Starting Power 2000 amps
- Protection:
- Output over/under voltage
- Output over current
- Input phase loss detection, missing phase
- Input over/under voltage
- Input Circuit Breaker 100 amps
- Transformer over temperature
- SCR over temperature
Variants
- Currently Viewing 112850D0000 - 50HZ, DUAL SYSTEM, NO INPUT CORD
- 112850D0100 - 50Hz, Dual System, 50FT Input Cord
- 112850D0200 - 50Hz, Dual System, 100FT Input Cord
- 112850S0000 - 50Hz, Single System, No Input Cord
- 112850S0100 - 50Hz, Single System, 50FT Input Cord
- 112850S0200 - 50Hz, Single System, 100FT Input Cord
- 112860D0000 - 60Hz, Dual System, No Input Cord
- 112860D0100 - 60Hz, Dual System, 50FT Input Cord
- 112860D0200 - 60Hz, Dual System, 100FT Input Cord
- 112860S0000 - 60Hz, Single System, No Input Cord
- 112860S0100 - 60Hz, Single System, 50FT Input Cord
- 112860S0200 - 60Hz, Single System, 100FT Input Cord
Aircraft Applications: -
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Vendor:TRONAIR28.0 Rugged Terrain Gas GPU (28 vdc, 150 continuous, 1,000 amp peak) (CE)
11-6644C1010-A1
Standard Features
- CE marked
- 150 amps continuous at 28 VDC, 1,000 amps peak
- 6 heavy duty, maintenance free, lead acid batteries
- Soft start for avionics protection
- 2 cylinder, air cooled Tier 4 Kohler engine
- Internal battery charger recharges in minutes
- 20 ft (6.1 m) 4/0 output cable with AN 2551 connector aircraft DC plug
- 11-6644C1010-A1: Developed for the US Army
- 11-6644C1010-A1: Rugged frame for transport across rough terrain
- 11-6644C1010-A1: Towing speeds up to 20 mph
- 13 gal (49 l) fuel tank
- 0 to 125º F (-18 to 52º C) maximum aircraft starting and electric service temperature range
- Illuminated instrument panel
- Hourmeter
- 0-300 ammeter
- 0-3,000 aircraft ammeter
- 0-50 volt DC voltmeter
- Aircraft power cable On/Off switch
- Electric starter switch
- Meets California Clean Air
- Oil-bathed fly weight type governor
- OHC 18 HP
- Finish: Durable Powder Coat Tronair Blue
Aircraft Applications: -
Looking For Custom Parts?
Contact Us -
Standard Features
- CE marked
- 150 amps continuous at 28 VDC, 1,000 amps peak
- 6 heavy duty, maintenance free, lead acid batteries
- Soft start for avionics protection
- 2 cylinder, air cooled Tier 4 Kohler engine
- Internal battery charger recharges in minutes
- 20 ft (6.1 m) 4/0 output cable with AN 2551 connector aircraft DC plug
- 11-6644C1010: 13 in (33 cm) tubless pneumatic tires
- 13 gal (49 l) fuel tank
- 0 to 125º F (-18 to 52º C) maximum aircraft starting and electric service temperature range
- Illuminated instrument panel
- Hourmeter
- 0-300 ammeter
- 0-3,000 aircraft ammeter
- 0-50 volt DC voltmeter
- Aircraft power cable On/Off switch
- Electric starter switch
- Meets California Clean Air
- Oil-bathed fly weight type governor
- OHC 18 HP
- Finish: Durable Powder Coat Tronair Blue
Aircraft Applications: -
Standard Features
- Powered by the award winning Doosan Tier 4f electronic engine with full-authority electronic controls for more precise control over the performance of the engine
- Extended service intervals using extended filters and lubricants, up to 500 hours between scheduled service
- Engine operates with Ultra-low Sulphur Diesel fuel
- Fuel/water separator with water-in-fuel sensor and electronic indication
- Large 35 gallon, high density cross-linked polyethylene fuel tank for 8+ hours of use
- Low fuel warning and no fuel shutdown system
- Shut down on low oil pressure and high engine temperature commonly seen listed as (LOP/HET protection)
- 12 volt control and starting circuitry for easy cold weather starting
- Automated glow plug control for cold weather starting
- Large engine Digital Display and Diagnostics module (DDD), this is a multi-function tool to view engine parameters and fault codes
- Automatic 60 second power off delay engine shutdown for turbo protection
- 3 year engine warranty
- Powerful 80kw, AVR and 90kVA alternator with SCR regulation
- Maintenance free, long life single bearing
- Automatic output build-up and protection
- Cable head sensing and output drop compensation system ensures full power is provided to aircraft
- Aircraft cable head interlock circuit
- Wiring and color code in accordance with CE, NFPA and NEC
- 30 ft (9.1 m) AC output cable
- Durable, compact, maneuverable, trailer mounted unit with fifth wheel steering
- Front wheel scrub brake for simplicity
- Weather resistant powder coated sheet metal to prevent corrosion
- Corner lights and stack light
- Large cable trays for easy cable stowage
- Finish: Durable Powder Coat Tronair Blue
- CE marked
- Unit allows simultaneous use of 400 Hz AC and 28.5 VDC
- Powerful 80kw, AVR and 90kVA alternator with SCR regulation and ripple filter for ultra low DC output ripple
- Adjustable peak output current limiting control, 2,000 amp peak, 600 amp continuous output
- 30 ft (9 cm) DC output cable
- Standard Cold Weather Features:
- 120 V Block Heater
- Larger capacity starting battery 900 CCA AGM type battery
- Automatic Glow Plugs
- Insulation package for the engine enclosure and sound dampening
Aircraft Applications: -
Standard Features
- Powered by the award winning Doosan Tier 4f electronic engine with full-authority electronic controls for more precise control over the performance of the engine
- Extended service intervals using extended filters and lubricants, up to 500 hours between scheduled service
- Engine operates with Ultra-low Sulphur Diesel fuel
- Fuel/water separator with water-in-fuel sensor and electronic indication
- Large 35 gallon, high density cross-linked polyethylene fuel tank for 8+ hours of use
- Low fuel warning and no fuel shutdown system
- Shut down on low oil pressure and high engine temperature commonly seen listed as (LOP/HET protection)
- 12 volt control and starting circuitry for easy cold weather starting
- Automated glow plug control for cold weather starting
- Large engine Digital Display and Diagnostics module (DDD), this is a multi-function tool to view engine parameters and fault codes
- Automatic 60 second power off delay engine shutdown for turbo protection
- 3 year engine warranty
- Powerful 80kw, AVR and 90kVA alternator with SCR regulation
- Maintenance free, long life single bearing
- Automatic output build-up and protection
- Cable head sensing and output drop compensation system ensures full power is provided to aircraft
- Aircraft cable head interlock circuit
- Wiring and color code in accordance with CE, NFPA and NEC
- 30 ft (9.1 m) AC output cable
- Durable, compact, maneuverable, trailer mounted unit with fifth wheel steering
- Front wheel scrub brake for simplicity
- Weather resistant powder coated sheet metal to prevent corrosion
- Corner lights and stack light
- Large cable trays for easy cable stowage
- Finish: Durable Powder Coat Tronair Blue
- CE marked
- Standard Cold Weather Features:
- 120 V Block Heater
- Larger capacity starting battery 900 CCA AGM type battery
- Automatic Glow Plugs
- Insulation package for the engine enclosure and sound dampening
Aircraft Applications: -
Standard Features
- Powered by the award winning Doosan Tier 4f electronic engine with full-authority electronic controls for more precise control over the performance of the engine
- Extended service intervals using extended service filters and lubricants, up to 500 hours between scheduled service
- Engine operates with Ultra-low Sulphur Diesel fuel
- Fuel/water separator with water-in-fuel sensor and electronic indication
- Large 35 gallon, high density cross-linked polyethylene fuel tank for 26 + hours of use
- Low fuel warning and no fuel shutdown system
- Shut down on low oil pressure and high engine temperature commonly seen listed as (LOP/HET protection)
- 12 volt control and starting circuitry for easy cold weather starting
- Automated glow plug control for cold weather starting
- Large engine Digital Display and Diagnostics module (DDD), this is a multi-function tool to view engine parameters and fault codes
- Automatic 60 second power off delay engine shutdown for turbo protection
- 3 year engine warranty
- Powerful 38kw, six phase alternator, rectifier and ripple filter for ultra low DC output ripple
- Maintenance free, long life single bearing
- Automatic voltage build-up and protection
- Adjustable peak output current limiting control, 2,000 amp peak, 600 amp continuous output
- Cable head voltage sensing and output voltage drop compensation system ensures full power is provided to aircraft
- Aircraft cable head interlock circuit
- Wiring and color code in accordance with CE, NFPA and NEC
- 30 ft (9.1 m) DC output cable
- Durable, compact, maneuverable, trailer mounted unit with fifth wheel steering
- Front wheel scrub brake for simplicity
- Weather resistant powder coated sheet metal to prevent corrosion
- Corner lights and stack light
- Large cable trays for easy cable stowage
- Finish: Durable Powder Coat Tronair Blue
- Standard Cold Weather Features:
- 120 V Block Heater
- Larger capacity starting battery 900 CCA AGM type battery
- Automatic Glow Plugs
- Insulation package for the engine enclosure and sound dampening
Aircraft Applications:
Looking for Additional Support?
Contact UsReliable Power Solutions for Ground Operations
Tronair GPUs are engineered to supply consistent electrical power to aircraft on the ground. Each aircraft ground power unit for sale maintains accurate voltage and current control to protect sensitive onboard electronics during maintenance, loading, or preflight inspection. With rugged housings, weather-resistant frames, and internal safety systems, every Tronair GPU airplane system stands up to demanding ramp conditions while maintaining smooth, reliable power output.
Key features include:
- Diesel, gas, or solid-state configurations for varied environments
- 28.5 V DC output standard across all models
- Optional 400 Hz AC output available on select diesel versions
- Tier 4 Final engine options for reduced emissions and fuel efficiency
- Heavy-duty construction for outdoor and hangar use
- Built-in overload and over-temperature protection
Choosing the Right Tronair GPU
Selecting a GPU depends on operational demands, aircraft size, and infrastructure. Tronair offers multiple configurations and accessories to match the power, performance, and portability your operation requires.
Diesel and Gas-Powered GPUs
Diesel units provide high output and portability, ideal for servicing aircraft in remote or high-traffic ramp areas. Gas-powered models offer smoother operation and lower noise levels for use near terminals or in enclosed hangars.
Solid-State Ground Power Units
Solid-state units are perfect for fixed installations where consistent AC power is available. They convert AC to DC efficiently, ensuring clean voltage for avionics, lighting, and onboard diagnostics without risk of surges.
Solid-State Rectifiers
These rectifiers help maintain stable power for critical avionics, lighting, and other onboard systems, ensuring safety and operational efficiency for aircraft operators.
Accessories and Service Support
Tronair supports every GPU airplane system with a full selection of connector kits, cables, and adapters. Global service centers provide testing, calibration, and authorized maintenance to keep each aircraft ground power unit performing reliably over time.
