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The Tronair 02-7851C0111 is a 25-Ton (50,000 lb) hydraulic aircraft tripod jack engineered to lift aircraft from the forward fuselage or main wing jacking points during maintenance, inspections, and ground operations. 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: 50,000 lbs (22680 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
- 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 Tronair 02-7851C0111 is designed for use with a range of commercial, regional, and business aviation aircraft requiring 25-Ton tripod jack support. Specific aircraft model compatibility is defined in the Tronair Aircraft Application Guide. Always confirm jacking capacity, adapter requirements, and placement procedures with your aircraft maintenance manual before use.
Need your Tronair 02-7851C0111 25-ton tripod jack serviced, repaired, or load tested?
Pilot John is an authorized Tronair distributor and factory-authorized Tronair service center. Every jack ships new from our warehouse with Certificates of Conformance (CofC) and FAA Form 8130-3 documentation available at no additional cost. Need jack service, load-testing, or repair? Pilot John handles that too as an OEM-trained GSE service center. For more information or to request service, see our Service Center page, and see our article on why jack load testing matters. Pilot John also operates an ISO-17025 calibration center for all of your tooling and equipment calibration needs — learn more here.
Also Available
- With factory-installed air pump: Tronair 02A7851C0111
| General Information | |
|---|---|
| Part # | 02-7851C0111 |
| Manufacturer | Tronair |
| Shipping Information | |
|---|---|
| Freight NMFC | 186600 |
| Schedule B | 8425420000 |
| ECCN | EAR99 |
| Spare Parts | |
|---|---|
| H-2395 | Protective Jack Cover |
| HJ-557 | Jack Pad |
| K-1001 | Hand Pump Seal Kit |
| K-1043-28-02 | Air Pump Kit |
| K-1051 | Ram Seal Kit |
| K-1106 | Manifold Assembly Kit |
| K-1685 | Repair Fluid Seal Kit |
| K-1686 | Repair Air Seal Kit |
| K-2433 | Caster Kit |
| K-3440 | Jack Weldment Kit |
| R-1150 | Screw Extension |
AIRCRAFT COMPATIBILITY
| Compatible Aircraft* |
|---|
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QUESTIONS & ANSWERS
The Tronair 02-7851C0111 25-ton tripod jack is designed for heavy-duty aircraft lifting operations involving fuselage and wing support during inspections, landing gear servicing, and structural maintenance. Aircraft tripod jacks of this capacity are commonly used on larger business jets, regional aircraft, and commercial airframes where stable multi-point lifting is required. Because the jack is intended for coordinated use with additional hydraulic jacks, it helps maintenance teams maintain proper aircraft balance throughout the lifting process. This makes it well-suited for both scheduled maintenance and major repair events.
When several aircraft tripod jacks are used together, synchronized lifting helps keep the aircraft level and prevents uneven loading on the airframe. Uneven lifting can place excess stress on structural components and create instability during maintenance operations. Coordinated jacking procedures also improve technician safety by minimizing aircraft movement while elevated. Many aviation maintenance manuals specifically require simultaneous operation of all aircraft jacks during lifting and lowering procedures.
A 25-ton hydraulic tripod jack offers greater lifting capability and increased structural strength for servicing heavier aircraft. Higher-capacity jacks are engineered to handle larger fuselage and wing loads while maintaining stability during extended maintenance procedures. This additional lifting margin can also improve operational confidence during demanding inspections or repairs. For operators servicing larger aircraft fleets, higher-capacity aircraft jacks provide greater versatility across multiple airframes.
The three-leg tripod configuration helps evenly distribute the aircraft load across a wider footprint during lifting operations. This design reduces the likelihood of shifting or tipping while the aircraft is elevated for maintenance. A stable lifting platform is especially important during landing gear retraction tests, structural inspections, and other procedures requiring extended aircraft support. Tripod jacks are widely used throughout the aviation industry because of their balance, durability, and lifting reliability.
Hydraulic pressure control systems help ensure smooth, controlled lifting and lowering during aircraft maintenance operations. Built-in pressure relief systems help prevent overload situations that could damage the aircraft jack or create unsafe operating conditions. Controlled hydraulic movement also reduces the risk of sudden load shifts while the aircraft is elevated. Properly maintained hydraulic systems are essential for safe and efficient aircraft jacking procedures.
Aircraft compatibility ensures the tripod jack can safely reach approved jacking points while supporting the required aircraft weight and geometry. Different aircraft models have unique lifting requirements, including jacking point locations, height ranges, and load distributions. Using an improperly sized aircraft tripod jack can create unsafe lifting conditions or place stress on the airframe. Maintenance teams should always verify compatibility using the aircraft maintenance manual and the jack manufacturer’s specifications.
CE marking indicates that the aircraft tripod jack complies with applicable European safety, health, and manufacturing standards. This certification can simplify equipment acceptance for international operators, MRO facilities, and aviation service providers operating under global regulatory requirements. CE-certified aircraft jacks are designed to meet established safety and engineering criteria for professional use. This can provide additional confidence in equipment quality and compliance.
Routine maintenance helps preserve hydraulic performance, prevent leaks, and reduce wear on structural and moving components. Regular inspections typically include checking hydraulic fluid levels, inspecting seals and fittings, and examining the jack for corrosion or damage. Proper lubrication and scheduled servicing can significantly extend the operational life of aircraft jacks. Well-maintained tripod jacks often remain in reliable service for many years in aviation maintenance environments.
Proper storage helps protect the hydraulic system, structural components, and finish of the tripod jack from corrosion and environmental damage. Aircraft jacks should ideally be stored in a clean, dry location with the ram fully lowered to reduce stress on internal seals and cylinders. Protecting the equipment from moisture and contaminants helps maintain lifting performance and operational reliability. Good storage practices also reduce the likelihood of maintenance delays caused by equipment deterioration.
Aircraft tripod jacks provide controlled lifting support, allowing technicians to safely access landing gear, structural components, and lower fuselage areas during maintenance. Their stable design and high lifting capacity help reduce the risk of aircraft movement while elevated. When used correctly alongside approved procedures and supporting equipment, tripod jacks improve both technician safety and aircraft protection. Reliable aircraft jacking equipment is a critical part of safe aviation maintenance operations.