Description
Press stubborn commercial mower spindle shafts, seized wheel hubs, and bent chassis crossmembers straight. The Power Team 55 Ton 4.13in cylinder stroke RA series single acting hydraulic cylinder generates 110000 lbs of pressing force. This aluminum hydraulic cylinder operates with a single-acting spring return. It requires an external 10000 PSI hydraulic pump to drive the ram.
Forged aluminum alloy forms the cylinder body and piston rod, cutting tool weight by 60 percent compared to standard steel cylinders. A hard-anodized finish coats the internal bore, resisting abrasive wear and piston scoring under high hydraulic pressure. Polyurethane piston seals pair with bronze wear rings to absorb eccentric side loads. The internal return spring pulls the piston rod back into the aluminum housing when pressure releases.
Key Features of Power Team RA554
Fleet rebuild shops use this 55-ton aluminum cylinder inside hydraulic shop presses to straighten bent mower frames. The lightweight body reduces strain when positioning the ram overhead.
- 55-ton hydraulic pressing capacity delivers 110000 lbs of force for severe press-fit tasks
- 4.13-inch piston rod stroke length provides travel for pushing large bearings and shafts
- Lightweight aluminum alloy construction cuts cylinder weight to 28 lbs for portability
- Single-acting internal return spring retracts the piston rod once valve pressure drops
- Hard-anodized aluminum bore surface resists internal scratching and seal abrasion
- Standard 3/8-inch NPTF hydraulic female coupler connects to 10000 PSI pump systems
- Removable grooved saddle protects the internal piston rod threads from contact damage
High Pressure Hydraulic Bench Telemetry
Hydrostatic test benches prove seal integrity at 12500 PSI with zero pressure drop over 30 minutes. Full tonnage delivery requires 10000 PSI fluid pressure across an 11.04 square inch effective cylinder area. Return spring tension retracts the aluminum piston rod within 4 seconds when circuit backpressure drops below 50 PSI. The cylinder barrel withstands 15 percent side-load angles at half stroke without bore galling or structural distortion.
Hydraulic Press Realities Negative Filter Limits
Thread the female hydraulic coupler tightly to prevent internal poppet check valve flow restrictions. Align the load perpendicular to the piston saddle face to minimize internal bearing side loading. Never operate this aluminum cylinder beyond its rated 10000 PSI maximum hydraulic working pressure limit.
- Hydraulic cylinder female couplers require protective dust caps installed when detached
- Piston rod chrome plating requires solvent wipes to remove abrasive shop grit
- Hydraulic fluid supply requires ISO 46 anti-wear oil filtration below 10 microns
Power Team Hydraulic Warranty Manifest
Power Team backs this RA series cylinder with a Lifetime Marathon commercial warranty against factory defects. The shipping box contains the 55-ton aluminum cylinder, high-flow female half coupler, grooved saddle, and hydraulic safety documentation.

