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56311GG4BBC4 - Tronair 5630 / 5631 Aircraft Hydraulic Power Unit

Part #: 56311GG4BBC4
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Specific Part Number

The 56311GG4BBC4 is a specific part number of the series Tronair 5630. For more generalized information on this item series or for more options, click here.

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5 - HPU 6 - 34 GPM / 3500 PSI / 40 HP 3 - Skydrol 1 - CE Compliant 1 - Tronair Blue GG - KHC-3754 Coupling Kit 4 - 575V 3 PH 60 HZ Input Voltage Required / 50' AC Input Cable Included BB - 50' Hoses (2 Sets) C - Split System 4 - Drip Pan
Alternate Models
05-7025-3600Previous Tronair HPU Model Number
56300EE0CM5 - HPU 6 - 34 GPM / 3500 PSI / 40 HP 3 - Skydrol 0 - Standard (Not CE Compliant) 0 - Desert Sand EE - Does not include aircraft couplers 0 - 208V 3 PH 60 HZ Input Voltage Required / 50' AC Input Cable Included C - Split System M - Hand Pump Standard Features: 25 ft Hoses (Qty 2)
56301EF1C220-240V 3 PH 60 HZ Input Voltage, Gulfstream Aircraft Couplers KHC-1008-A1, Dual System
5631CE Compliant Version
56310GG6BC5 - HPU 6 - 28 GPM / 4000 PSI / 40 HP 3 - Skydrol 1 - CE Compliant 0 - Desert Sand GG - KHC-3754 Coupling Kit 6 - 220V 3 PH 50 HZ Input Voltage Required / 50' AC Input Cable Included BB - 50' ft Hoses C - Split (Dual) System
56311AE15 - HPU 6 - 34 GPM / 4000 PSI / 40 HP 3 - Skydrol 1 - CE Compliant 1 - Tronair Blue AE - KHC-1008 Coupling Kit 1 - 220-240V 3 PH 60 HZ Input Voltage Required / 50' Input Cable Included Standard Features: 25 ft Hoses Single System
56311AE85 - HPU 6 - 28 GPM / 4000 PSI / 40 HP 3 - Skydrol 1 - CE Compliant 1 - Tronair Blue AE - KHC-1008 Aircraft Couplers - Plastic Dust Caps 8 - 415V 3 PH 50 HZ Input Voltage Required / 50' AC Input Cable Included Standard Features: 25 ft Hoses
56311BC1BC - KHC-1160 Coupling Kit 1 - 220-240V 3 PH 60 HZ Input Voltage Required / 50' Input Cable Included
56311EE0C7Y45 - HPU 6 - 34 GPM / 3500 PSI / 40 HP 3 - Skydrol 1 - CE Compliant 1 - Tronair Blue EE - KHC-1008 Couplers (Gulfstream Aircraft, Citation X) 0 - 208V 3 PH 60 HZ Input Voltage Required / 50' AC Input Cable Included C - Dual System 7 - Hand Pump - Large Displacement Y - Return Sight Gauge 4 - Drip Pan Standard Features: 25 ft Hoses (Qty 2) Dual System
56311EE8C5 - HPU 6 - 28 GPM / 4000 PSI / 40 HP 3 - Skydrol 1 - CE Compliant 1 - Tronair Blue EE - KHC-1008 Aircraft Couplers - Plastic Dust Caps 8 - 415V 3 PH 50 HZ Input Voltage Required / 50' AC Input Cable Included C - Split System Standard Features: 25 ft Hoses (2 Sets)
56311EF0CEF - KHC-1008-A1 Couplers (Gulfstream Aircraft, Citation X) 0 - 208V 3 PH 60 HZ Input Voltage Required / 50' AC Input Cable Included C - Dual System
56311EF1CEF - KHC-1008 Aircraft Couplers 1 - 220-240V 3 PH 60 HZ Input Voltage Required / 50' AC Input Cable Included C - Dual System
56311EF3CEF - KHC-1008 Aircraft Couplers 3 - 440-480V 3 PH 60 HZ Input Voltage Required / 50' AC Input Cable Included C - Dual System
56311EI0CK208V 3 PH 60 HZ Input Voltage, KHC-1011 Couplers, Dual System, Pyrometer
56311FC6BBCGLMNY5 - HPU 6 - 28 GPM / 4000 PSI / 40 HP 3 - Skydrol 1 - CE Compliant 1 - Tronair Blue FC - KHC-1160 Couplers 6 - 220-240V 3 Phase 50 HZ Input Voltage Required / 50' AC input cable included BB - 50-foot hoses (2 sets) C - Split System G - Voltage Monitor (200-230 VAC) L - Electric Reservoir Level M - Hand Pump N - Towing / Trailer Package Y - Return Sight Gauge (Split System)
56311GG3CLU4CE Compliant, 440-480V 3 PH 60 HZ Input Voltage, KHC-3754 Aircraft Couplers, Dual System, Electric Reservoir Level, Return Site Gauge, Drip Pan
56311GG4BBC45 - HPU 6 - 34 GPM / 3500 PSI / 40 HP 3 - Skydrol 1 - CE Compliant 1 - Tronair Blue GG - KHC-3754 Coupling Kit 4 - 575V 3 PH 60 HZ Input Voltage Required / 50' AC Input Cable Included BB - 50' Hoses (2 Sets) C - Split System 4 - Drip Pan
56311GGSBBCN380-400V 3 PH 60 HZ Input Voltage, 100' AC Input Cable, Dual System, Towing / Trailer Package, Couplers for Dash 8 aircraft
56311ZZ4BBC45 - HPU 6 - 34 GPM / 3500 PSI / 40 HP 3 - Skydrol 1 - CE Compliant 1 - Tronair Blue ZZ - No Aircraft Couplers Included 4 - 575V 3 PH 60 HZ Input Voltage Required / 50' AC Input Cable Included BB - 50 ft Hoses C - Split (Dual) System 4 - Split System
56313GGTBBCLMY45 - HPU 6 - 34 GPM / 4000 PSI / 40 HP 3 - Skydrol 1 - CE Compliant 3 - Red GG - KHC-3754 Couplers T - 460-480V 3 phase 60 HZ input voltage required / 100' input cable included BB - 50 ft hoses C - Split System L - Electric Reservoir Level M - Hand Pump Y - Return Sight Gauge (split system) 4 - Drip Pan
56315FC6BBCGLMNY5 - HPU 6 - 28 GPM / 4000 PSI / 40 HP 3 - Skydrol 1 - CE Compliant 5 - Snow White FC - KHC-1160 Couplers 6 - 220-240V 3 Phase 50 HZ Input Voltage Required / 50' AC input cable included BB - 50-foot hoses (2 sets) C - Split System G - Voltage Monitor (200-230 VAC) L - Electric Reservoir Level M - Hand Pump N - Towing / Trailer Package Y - Return Sight Gauge (Split System)
General Information
Part #56311GG4BBC4
ManufacturerTronair

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Activate with electrolyte before installation. For Cessna 182, Beechcraft Bonanza. VRLA upgrades: 7035-28 or 7035-34.

AIRCRAFT COMPATIBILITY

Compatible Aircraft*
Boeing 727-100 , DC-8 Series 60
Bombardier Challenger 870 , Challenger 890 , CRJ1000 , CRJ700 , CRJ705 , CRJ900 , Dash 8-400
Embraer Legacy 450 , Legacy 500 , Praetor 600
Fokker 28 , 70
Gulfstream G650
McDonnell Douglas DC-8 Series 60
*This list is for general reference only and may not be entirely accurate for all aircraft. Please confirm all equipment meets the requirements of your aircraft with the owners/maintenance manuals prior to purchasing or using with your aircraft.

PRODUCT REVIEWS

This item does not have any reviews yet.

QUESTIONS & ANSWERS

Question:
What are the replacement hoses for this unit?
Answer:

The replacement pressure hose for Tronair 5630 and 5631 HPUs is TF-1040-05*300, and the pressure hose is TF-1041-04*300.

Asked October 16, 2024
Question:
What are the replacement filters for this unit?
Answer:

The following filters are recommended for Tronair 5630 and 5631 HPUs:

Asked October 16, 2024
Question:
What options are available to add to this unit?
Answer:

Available options for the 5630 and 5631 HPUs include:

  • 25’ Hoses (Option AA)
  • 50’ Hoses (Option B/BB)
  • Split System (Option C)
  • Voltage Monitor (Options G-J – Voltage-Specific)
  • Electric Reservoir Level (Option L)
  • Hand Pump (Option M)
  • Towing/Trailer Package (Option N)
  • Return Back-Pressure with Sight Gauge (Option T – Skydrol Only)
  • Return Sight Gauge (Option U/Y)
  • Return Back-Pressure (Option V/1)
  • 50’ Hand Pump (Option X)
  • Drip Pan (Option 4) 
  • Large-Displacement Hand Pump (Option 7) 
  • 100’ Input Cable
Asked October 16, 2024
Question:
What features come standard on this unit?
Answer:

Standard features for the 5630 and 5631 HPUs include:

  • 25’ Hoses
  • Single System
  • Hourmeter
  • Pyrometer
  • Calibration Port
  • Electric Filter Clogged Indicator
  • Electric Overtemperature
  • Return Filter
  • 70-Gallon Reservoir
Asked October 16, 2024
Question:
My Tronair HPU 56311EF3C will not start after the clogged filter light came on and the motor thermally shut down. I replaced the filters, but it still will not start. What should I do?
Answer:

After a thermal shutdown caused by a clogged filter, the motor overload relay trips as a safety measure. Simply replacing the filters is not enough — you must also reset the overload relay. Locate the overload relay (typically mounted near the motor contactor), press the reset button, and attempt to restart the unit. Verify that all fault indicator lights clear after the reset. If the unit still does not start, check input power to the contactor.

Asked February 22, 2026
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