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The Malabar 73300A-11 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. The single-stage hydraulic design provides controlled lift and positive lock at any extension height. 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
Technical Specifications
- Rated Capacity: 80,000 lbs (36,287 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
Safety Features
- Ram Lock Nut: Prevents the ram from lowering. 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 Malabar 73300A-11 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 Malabar Aircraft Application Guide. Always confirm jacking capacity, adapter requirements, and placement procedures with your aircraft maintenance manual before use.
Need your Malabar 73300A-11 40-ton tripod jack serviced, repaired, or load-tested?
Pilot John is an authorized Malabar International distributor – one of a select group of authorized partners in North America. Our pricing on Malabar jacks is competitive: PJi prices have been verified as lower than those of 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.
| General Information | |
|---|---|
| Part # | 73300A-11 |
| Manufacturer | Malabar |
| Shipping Information | |
|---|---|
| Schedule B | 8425420000 |
| ECCN | EAR99 |
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AIRCRAFT COMPATIBILITY
| Compatible Aircraft* |
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QUESTIONS & ANSWERS
The Malabar 73300A-11 is designed to support demanding aircraft maintenance operations involving large commercial and wide-body aircraft that require high-capacity tripod jack support. Its 40-ton lifting capability allows maintenance crews to safely perform landing gear servicing, tire changes, gear swings, and structural inspections on a wide range of aircraft platforms. The jack’s heavy-duty tripod structure also helps distribute loads evenly for improved stability during lifting operations.
The manual hand pump features high-pressure, medium-pressure, and low-pressure operating positions, allowing technicians to adjust lifting speed and pumping effort based on the aircraft load. This helps improve operator control during both initial contact and full-capacity lifting procedures. The adjustable pump design can also reduce operator fatigue during repetitive aircraft maintenance tasks.
The hydraulic thermal relief valve helps protect the jack from internal hydraulic pressure increases caused by temperature fluctuations. This added safeguard reduces the risk of over-pressurization when the jack is exposed to changing environmental conditions inside hangars or on airport ramps. For maintenance facilities operating in varying climates, this feature adds an extra layer of hydraulic system protection and operational safety.
The spring-loaded swivel casters improve mobility while allowing the jack leg pads to automatically settle firmly onto the ground when a load is applied. This design helps combine easier towing and positioning with enhanced stability during aircraft lifting operations. Swivel locks on the casters also assist technicians with directional control when maneuvering the jack around crowded maintenance areas.
The Malabar 73300A-11 is built with hard chrome-plated cylinder surfaces, plated unpainted components, and Skydrol-resistant paint to help withstand harsh aviation maintenance environments. These protective materials help reduce corrosion caused by hydraulic fluids, moisture, and chemical exposure commonly found in hangars and flight lines. The durable construction can help extend service life while lowering long-term maintenance costs for repair stations and airline operators.
Yes. The jack supports several optional configurations, including an air-operated hydraulic pump, a load gauge, a ladder/platform assembly, a hydraulic caster system, and specialized ship adapters. These options allow operators to tailor the tripod jack for specific aircraft access requirements, lifting procedures, and maintenance workflows. Optional remote-control functionality can also improve operator efficiency during lifting and lowering operations.
Each Malabar 73300A-11 tripod jack is factory proof-loaded to 150% of its rated lifting capacity to verify structural integrity and hydraulic performance before entering service. This testing process helps confirm the jack can safely handle demanding aircraft maintenance loads under controlled conditions. For maintenance organizations focused on safety and compliance, proof-load testing provides additional confidence in the jack’s operational reliability.
With a total extended height of 185” and 72” of hydraulic lift, the 73300A-11 provides significant vertical reach for servicing large aircraft fuselage and wing jacking points. The 26” mechanical extension screw also helps technicians achieve precise positioning before hydraulic lifting begins. This wide lifting range makes the jack suitable for numerous heavy aircraft maintenance procedures requiring elevated access.
Optional adjustable swivel feet and hydraulic caster systems help technicians level the tripod jack on slightly uneven hangar or ramp surfaces. Proper jack leveling is critical for maintaining safe vertical lifting alignment and reducing unwanted side loads during aircraft jacking procedures. Hydraulic caster options can also improve towing clearance and simplify jack positioning during transport around maintenance facilities.
The Malabar 73300A-11 is commonly used on a variety of commercial, cargo, regional, and military aircraft platforms requiring high-capacity tripod jacks. Typical applications include aircraft such as the Boeing 747, 757, 767, 777, and 787, as well as Airbus A300, A310, A330, A340, and A350 models for certain maintenance procedures. It is also used on aircraft including the DC-10, MD-11, L1011, C-130, ATR42, ATR72, and Airbus A318 through A321 platforms.
