Product Description
The Model 718B Variable Height Tripod Jack is a heavy-duty 20-ton capacity, single-stage hydraulic jack designed for wide-ranging aircraft maintenance applications. Featuring three configurable leg kits (54″, 70″, 93″), this versatile system supports everything from Boeing 737s to regional jets like the SSJ100. The 40″ hydraulic lift and 10″ extension screw provide precise height control, while the 2800 psi operating pressure ensures powerful lifting capacity. Built with Skydrol-resistant yellow paint and corrosion-resistant plating, this professional-grade solution includes a three-year warranty for reliable performance.
Technical Specifications
Performance Data by Configuration
| Parameter | Leg Kit 1 (54″) | Leg Kit 2 (70″) | Leg Kit 3 (93″) |
|---|---|---|---|
| Low Height | 54″ (1372 mm) | 70″ (1778 mm) | 93″ (2362 mm) |
| Extended Height | 104″ (2642 mm) | 120″ (3048 mm) | 143″ (3632 mm) |
| Base Radius | 32.75″ | 40″ | 50.5″ |
Core Specifications
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Capacity: 20 tons (18.1 m.t)
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Hydraulic Lift: 40″ (1016 mm)
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System Pressure: 2800 psig (197 kg/cm²)
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Safety Factor: 150% proof load (30 tons)
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Reservoir Capacity: 2.9 gallons (11L)
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Weight: 750 lbs (340 kg) base unit
Configuration Options
Standard Features
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Three-position manual hand pump
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Heavy-duty swivel casters
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Hard chrome-plated cylinder bore
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Integrated rain protection
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10″ extension screw
Premium Upgrades
| Code | Option | Key Benefit | Compatibility |
|---|---|---|---|
| AP | Air pump | Reduced effort | All configurations |
| GA | Load gauge | Weight monitoring | All configurations |
| 54/70/93LK | Leg kits | Height customization | Required selection |
| LA | Ladder platform | Maintenance access | Requires 93LK |
Aircraft Compatibility Matrix
By Configuration
| Leg Kit | Forward Fuselage | Wing | Aft Fuselage |
|---|---|---|---|
| 54″ | B737, DC8 | ARJ21 | B727 |
| 70″ | B727 | ERJ190 | RJ170 |
| 93″ | – | SSJ100 | B737 |
Packaging & Shipping
Domestic Options
| Configuration | Dimensions | Weight |
|---|---|---|
| 54″ Set-Up | 65×56×61″ | 950 lbs |
| 70″ Set-Up | 77×67×77″ | 1000 lbs |
| 93″ KD | 104×40×28″ | 1025 lbs |
International Options
| Configuration | Dimensions | Weight | Surcharge |
|---|---|---|---|
| EC 54″ | 67×61×64″ | 1200 lbs | +26% |
| ECLKD 93″ | 106×45×63″ | 1275 lbs | +25% |





