Malabar 721500B-3 – 15-Ton Tripod Jack

The Malabar 721500B-3 uses a two-stage hydraulic lifting system that delivers greater lifting range while maintaining smooth, controlled aircraft elevation. This design improves stability during lifting operations and supports more precise positioning at varying jacking heights. Two-stage hydraulic aircraft tripod jacks are especially beneficial for maintenance tasks that require gradual adjustments and secure load handling. The system also helps distribute lifting forces more efficiently during aircraft servicing operations.

The adjustable hand pump offers high-pressure, medium-pressure, and low-pressure operating positions, allowing technicians to optimize lifting speed and pumping force based on the aircraft load. A shorter handle position increases oil flow for quicker lifting under light loads, while a longer handle position provides greater leverage for heavier lifting conditions. This flexibility helps reduce operator fatigue during repetitive maintenance procedures. It also improves control during delicate aircraft lifting operations.

The 721500B-3 was OEM-specified for the Comac ARJ21 and is designed to support regional jet maintenance requirements with its 15-ton lifting capacity and 100” extended height. Its compact 16.9" base radius helps technicians position the jack in tighter maintenance areas commonly found around regional aircraft. The combination of lifting range and controlled hydraulic performance makes it suitable for fuselage and structural maintenance procedures. These characteristics are valuable in both airline and MRO environments.

The spring-loaded casters allow the aircraft tripod jack to roll easily into position before lifting begins. Once the load is applied, the casters retract automatically, allowing the jack pads to rest firmly on the ground for improved stability and load transfer. This design helps minimize unwanted movement during aircraft jacking operations. Improved ground contact also contributes to safer lifting conditions in busy hangar environments.

The Malabar 721500B-3 features a hard chrome-plated cylinder bore, plated unpainted components, and Skydrol-resistant paint to help protect against corrosion and chemical exposure. Aircraft maintenance facilities often expose ground support equipment to hydraulic fluids, moisture, and harsh cleaning products that can accelerate wear. Corrosion-resistant construction helps maintain hydraulic performance and structural integrity over time. This can reduce long-term maintenance costs and improve equipment reliability.

The 721500B-3 is factory proof-load tested at 150% of its rated capacity to verify structural strength and hydraulic reliability before entering service. Proof-load testing helps ensure the jack can safely withstand demanding aircraft maintenance conditions. This added validation enhances operator confidence during heavy lifting procedures and critical inspections. It also aligns with common aviation industry safety practices for aircraft ground support equipment.

The optional air-operated hydraulic pump helps reduce manual pumping effort by allowing technicians to raise the jack using compressed air. This feature can improve productivity during repetitive lifting operations and reduce technician fatigue in high-volume maintenance environments. Pneumatic operation also helps speed up aircraft positioning during routine inspections and servicing tasks. Facilities with existing compressed air systems often benefit from faster workflow efficiency with air-powered tripod jacks.

The optional load gauge allows technicians to monitor lifting pressure and approximate load conditions throughout the jacking process. Real-time load indication can help maintenance crews identify uneven loading conditions and maintain safer lifting practices. This feature is especially useful during structural inspections, landing gear maintenance, and aircraft balancing procedures. Improved visibility into lifting loads also helps support more consistent maintenance operations.

The 721500B-3 includes accessible service components, replaceable repair kits, grease fittings, fluid level indicators, and detailed maintenance procedures to support long-term upkeep. Malabar also recommends periodic seal cycling and hydraulic inspections to maintain reliable performance over time. The availability of OEM replacement parts and repair kits helps reduce downtime during scheduled maintenance. These service-friendly features make the jack well-suited for long-term fleet support programs.

The optional tow handle allows the Malabar 721500B-3 to be moved more efficiently throughout large maintenance facilities and hangars. With a maximum towing speed of 5 mph, technicians can reposition the aircraft jack quickly between work areas while maintaining safe transport practices. Improved mobility can help reduce setup time and improve maintenance workflow efficiency. This is particularly useful for operators managing multiple aircraft maintenance bays.