For over 70 years, Metro Hydraulic Jack Company, a third-generation, family-owned and operated business, has been providing industrial hydraulic parts and equipment services to commercial, automotive, marine, refuse, and construction industries.
More About Our Company- 31 Models
- Available in custom strokes & sizes.
- Relief valves protect against over pressurizing.
- Standard collar threads on models up to 200 tons.
- Optional custom base & collar threads available on models 300 tons and up.
- Ideal for heavy duty applications.
- Provides force in advance & return cycles.
- High flow quality couplers.
- Plated pistons to resist scoring & corrosion.
- Stop ring for piston blow-out protection.
- Large bearings resist side load.
- Rod wiper protects inner cylinder from dirt.
- Carrying handles included on models RDA556 through RDA15012.
Unit of Measure
Push Capacity |
N/A55 tons |
Pull Capacity |
N/A17 tons |
Stroke |
N/A12 inches |
Oil Capacity Required |
N/A92 cu. inch |
Ram Bore Diameter |
N/A3.75 inches |
Push Effect Area |
N/A11.05 sq. inch |
Pull Effect Area |
N/A3.4 sq. inch |
Pressure at Capacity |
N/A9955 psi |
Minimum Height - A |
N/A19.13 inches |
Extended Height - B |
N/A31.13 inches |
Body O.D. - C |
N/A5 inches |
Piston O.D. - D |
N/A3.13 inches |
Piston I.D. Threads - E |
N/A1-12 in |
Piston Thread Depth - E |
N/A1.5 in |
Collar Threads - F |
N/A5-12 inches |
Collar Thread Length - F |
N/A1.75 inches |
Thread Size (Base Mounting Holes) |
N/A.62-11 inches |
Thread Depth (Base Mounting Holes) |
N/A.75 inches |
Bolt Circle Diameter (Base Mounting Holes) |
N/A3.75 inches |
Weight |
N/A114 lbs. |