Services Equipment Our History About Us Contact RICHARD DUDGEON--THE INVENTOR OF THE HYDRAULIC JACK Richard Dudgeon, Inc. has the largest rental inventory of hydraulic-jacking equipment in the industry, with the quickest delivery to anywhere in the world. We also have over a million dollars of new equipment in stock for immediate sale. Our 170 years of expertise includes lifting bridges, buildings, heavy structures, pile tests, pull tests, under-pinning, post-tensioning, and pre-stress. You name it, we've done it. Please contact us for all of your Jacking, Lifting and Testing needs. Need calibrations/certifications and load cells~no problem. We are a distributor for SPX Power Team and Enerpac, as well as manufacture our own Richard Dudgeon, Inc. brand of jacks/cylinders (largest library of jack models in the world). In addition to standard products, including hydraulic torque wrenches, we design and manufacture Custom Jacks/Cylinders and Lifting Systems built for your specific application. We also repair, service and refurbish, hydraulic jacks/cylinders, load cells and pumps, from any manufacturer. Emergency and Rapid turnaround available for your special projects or last minute needs. Large Synchronous Systems for multiple-point lifts are a specialty, with emphasis on tight tolerances and minimal differential between lifting points. Calibration Reports and Gauge Certifications prepared by Richard Dudgeon, Inc. are traceable to the National Institute of Standards and Technology. Hydrostatic Test Pumps designed and manufactured by Dudgeon. Pressure ranges from 1000 to 12000 PSIG. The list below is a representative sample and not all-inclusive. Please contact us for your exact needs. Center Hole - Single Action Center Hole - Double Action Solid Jacks - Single Action Solid Jacks -Double Action DUDGEON CENTER HOLE JACKS - Single Action Our Lightweight Center Hole Jacks feature: Ability to withstand full dead-end load Cylinders constructed from heat-treated alloy steel Pistons made from hard-coated high strength aluminum alloy Hard chrome-plated center tube Interchangeable standard hardened load caps PRINTABLE VERSION Item # Capacity Stroke Area Pressure Height O.D. Rod Dia. Oil Ca, cu/in Weight, lbs I.D. J102SC 10 2.5 2.21 9,054 5.31 3 2.5 11 9 0.76 J121SC 12 1 2.76 8,692 4.813 3.75 1.38 4.49 6.6 0.797 J203SC 20 3 3.92 10,186 6.06 4 2.75 11.76 16.1 1.04 J302SC 30 2 6.34 8,310 7 4.5 2.5 18 24 1.31 J503SC 50 3 10.86 9,208 7.125 6 4.125 32.58 46.6 1.671 J603SC 60 3 12.31 9,750 9.25 6.25 3.97 37 60 2.13 J606SC 60 6 12.31 9,750 12.25 6.25 3.59 78 78 2.13 J1003SC 100 3 20.62 9,700 10 8.38 5 61.8 115 3.13 Richard Dudgeon, Incorporated • 24 Swift Place • Waterbury, CT 06710