Product Description
The Model 8857 Variable Height Tripod Jack is a heavy-duty 12-ton capacity, single-stage hydraulic jack designed for versatile aircraft maintenance applications. Featuring an adjustable tripod structure with 18″ leg extension capability, this jack provides exceptional flexibility for various aircraft configurations, particularly the F16 fighter jet. The spring-loaded swivel casters ensure smooth maneuverability while maintaining stability under load. With its manual hand pump (3 pressure settings), Skydrol-resistant safety yellow paint, and three-year warranty, this jack delivers reliable performance in demanding environments.
Key Specifications
| Parameter | Standard Configuration | With 18″ Leg Extension |
|---|---|---|
| Capacity | 12 tons (10.9 m.t) | 12 tons (10.9 m.t) |
| Low Height | 42″ (1067mm) | 60″ (1524mm) |
| Extended Height | 78″ (1981mm) | 96″ (2438mm) |
| Hydraulic Lift | 26″ (660mm) | 26″ (660mm) |
| Roll Under Height | 43″ (1092mm) | 61″ (1549mm) |
| Oil Pressure | 2470 psig (174 kg/cm²) | 2470 psig (174 kg/cm²) |
| Net Weight | 550 lbs (249 kg) | 600 lbs (272 kg) |
Premium Features
Standard Equipment:
-
Three-position manual hand pump (high/medium/low pressure)
-
Hard chrome-plated cylinder bore
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Corrosion-resistant plating on all unpainted surfaces
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Integrated rain hat protection
-
150% proof load tested
Optional Upgrades:
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AP: Air-operated hydraulic pump
-
GA: Precision load gauge (tons/psig)
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TH: Heavy-duty tow handle
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18LE: 18″ leg extension kit (+$1,250)
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Custom color options (SPC) beyond standard safety yellow
Configuration Options
Equipment Packages:
| Code | Description | Typical Use |
|---|---|---|
| F16-Basic | Standard jack | Forward fuselage support |
| F16-Plus | +18LE kit | Longeron removal operations |
| F16-Pro | +AP+GA+TH | Full-service maintenance |
Packaging Solutions
Standard Shipment:
| Option | Dimensions | Weight | Lead Time |
|---|---|---|---|
| Set-Up | 57×48×49″ | 700 lbs | 2 weeks |
| Knocked Down | 62×40×28″ | 700 lbs | 3 weeks |
Export Configuration:
| Option | Dimensions | Weight | Surcharge |
|---|---|---|---|
| EC Set-Up | 59×53×52″ | 900 lbs | +15% |
| EC Knocked Down | 64×45×31″ | 850 lbs | +12% |
