Tronair 984D1100 – Columbus Jack 40-Ton Tripod Jack

The Columbus Jack 984D1100 is a 40-Ton (80,000 lb) hydraulic aircraft tripod jack engineered to lift aircraft from the forward fuselage or main wing jacking points during maintenance, inspections, and ground operations. With a 93" (236.2 cm) closed height and 182" (462.3 cm) maximum extended height, it accommodates a range of aircraft fuselage and wing jacking point heights. CE-marked for compliance with European aviation safety standards.

Standard Features

• Hand pump with built-in pressure relief valve
• Threaded rams with improved handwheel-style safety nut
• Quick-rising center extension for rapid initial lift
• Easy-access filler/breather cap
• Heavy-duty wheels for easy maneuverability
• Hydraulic fluid: MIL-PRF-5606
• ¾" (2 cm) spherical radius cup jack pad
• CE marked
• Durable powder-coat finish (Tronair Blue)

Technical Specifications

• Rated Capacity: 80,000 lbs (36287 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)
• Minimum Closed Height: 93" (236.2 cm)
• Maximum Height Obtainable: 182" (462.3 cm)
• Hydraulic Fluid: MIL-PRF-5606
• Jack Pad: ¾" (2 cm) spherical radius cup
• Finish: Durable powder coat (Tronair Blue)

Safety Features

• Ram Lock Nut: Prevents the lowering of the ram. The ram lock nut must be lowered as the aircraft is being lifted. Ram lock nuts must be kept within 2" of the stop while raising the aircraft.
• Lock Nut Retention Ring: Prevents the lock nut from being unscrewed from the second stage.
• Pressure Relief Valve: Prevents overload during raising operations.

Aircraft Applications

The Columbus Jack 984D1100 is designed for use with a range of commercial, regional, and business aviation aircraft requiring 40-Ton tripod jack support. Specific aircraft model compatibility is defined in the Columbus Jack Aircraft Application Guide. Always confirm jacking capacity, adapter requirements, and placement procedures with your aircraft maintenance manual before use.

Need your Tronair 984D1100 40-ton tripod 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.