Tronair 5004-55 – Columbus Jack 50-Ton Axle Jack

The Columbus Jack 5004-55 is a 50-Ton (100,000 lb) hydraulic aircraft axle jack engineered to lift and support one wheel/tire assembly of an aircraft at the axle during maintenance, tire changes, and landing gear servicing. CE-marked for compliance with European aviation safety standards. OEM-specified for Boeing 737-BBJ, 737-BBJ2, 717 and others. Also approved for ATR 42, 72.

Standard Features

• Hand pump with built-in pressure relief valve
• Easy-access filler/breather cap that can be sealed to prevent spills
• Low-profile cylinder designed for minimal axle clearance requirements
• Hydraulic fluid: MIL-PRF-5606
• CE marked
• Durable powder-coat finish (Tronair Blue)

Technical Specifications

• Rated Capacity: 100,000 lbs (45359 kg)
• Operating Temperature: −4°F to 122°F (−20°C to 50°C)
• Pressure Relief Setting: 2,500 + 250/−0 PSIG (172.4 + 17.2/−0 bar)
• Hydraulic Fluid: MIL-PRF-5606
• Jack Pad: ¾" (2 cm) spherical radius cup
• Finish: Durable powder coat (Tronair Blue)

Safety Features

• Safety Lock Valve: Prevents the jack from lowering unintentionally during lifting operations. The jack must be manually released before descending.
• Pressure Relief Valve: Prevents overload during raising operations.
• Filler Cap Seal: Easy-access filler/breather cap can be sealed to prevent hydraulic fluid spills during transport and storage.

Aircraft Applications

The 5004-55 is OEM-approved for the following aircraft types:

• Boeing: 737-BBJ, 737-BBJ2, 717, 727-100, 727-200 and 18 more
• ATR: 42, 72
• BAe: 146-100, -200, -300/Avro RJ70, RJ85, RJ100
• Airbus: A300, A310, A318, A319, A320 and 7 more

This list reflects aircraft for which the manufacturer has specifically approved this jack. Additional applications may be possible — always confirm jacking capacity, adapter requirements, and placement procedures with the aircraft maintenance manual before use.

Need your Tronair 5004-55 50-ton axle jack serviced, repaired, or load tested?

Pilot John is an authorized Columbus Jack (Tronair) distributor and service center — one of a select group of authorized partners in North America. Our pricing on Columbus Jack jacks is competitive: PJi prices have been verified lower than other major aviation supply retailers on comparable models. Every jack ships new from our North Carolina warehouse with Certificates of Conformance (CofC) and FAA Form 8130-3 documentation available at no additional cost. Need jack service, calibration, or repair? Pilot John handles that too as an authorized service center.