Range of F12 Ferra two-piece pumps are available with displacements from 16 to 41 cc/rev and pressures to 276 bar (4000 psi up to 30 cc/rev). They feature a modular design with a wide choice of flange, shaft, and port options. Cast iron ......More
Type V30E-270 variable displacement axial-piston pump features a redesigned housing and a mounting flange SAE E which conforms to the standard SAE J744. It has an operating pressure of up to 5075 psi (350 bar), with a peak pressure of 6000 ......More
E, H and P Series air-driven hydraulic pumps offer a plug-and-play design for quick and simple installation in applications requiring hydraulic pressures from 100 to 10,000 psi. A built-in air regulator allows for varying inlet air pressure ......More
The X3-20 Portable Power System uses multiple sources to provide electricity at remote locations. The hydraulic power unit (inset) supplies pressurized fluid to raise and elevate the wind turbine. A prototype version ......More
Ac motors IronHorse general-purpose ac motors now include cast iron three-phase premium efficiency models sized from 1 to 200 hp. They are rated for speeds of 1200, 1800, and 3600 rpm and are electrically reversible. T- and TC-frame TEFC ......More
New hydraulic system reduces excavator's fuel consumption for increased efficiency Appeared in print as "Excavator is redesigned for efficiency" Komatsu’s PC270LC-10 excavator ties in operation of its loadsensing hydraulic system with ......More
Gear pumps Edited By Catlin Nalley High-pressure hydraulic gear pumps are constructed of cast iron and offer precise tolerance and reduced clearances. They have a maximum pressure range of 3000 psi (200 bar). Multiple mounting options ......More
Bent-axis motors MA 125 and 108R bent-axis motors are suitable for use in open- or closed-loop circuits, with displacements of 7.65in.3 (125 cc) and 6.61in.3 (108 cc), respectively. They accommodate continuous pressures to 5800 psi, 6525 psi ......More
Giant mills rely on high-torque hydraulics Spring-applied, hydraulically released brakes on this huge grinding mill can bring it to a halt from full speed in less than 2 sec. Each of two mills uses four sets of caliper brakes and has its ......More
Speed reducers The 900 series geared speed reducers can be coupled with orbital, radial-piston, or axial-piston motors. They feature 4-planet design for high torque and life, a hardened ring gear, and large bearings on output shaft. They ......More
NASA hydraulic loading boom swinging out of control Appeared in print as "NASA loading boom swinging out of control By Robert J. Sheaf, Jr. Photo, NASA Several years ago, we were asked to do a five-day hydraulics class for NASA. The ......More
Carefully review hydraulic gearbox instructions for proper operation Appeared in print as "Lessons learned - the hard way: Pointing fingers" By Tom Nash, Applied Industrial Technologies Pointing fingers A machine shop had been commissioned to ......More
Hydraulic pump switching to stand-by in gold mine elevator Appeared in print as "Mine shaft pump switching to stand-by" By Robert J. Sheaf, Jr. Click to enlarge A gold mine has an elevator that travels approximately 4000 ft down a deep ......More
By Corey Moore, Eaton Market Segment Director – Commercial, Government and Military Transportation One of the best ways for the refuse collection industry to achieve its “green” goals is to improve the efficiency of its existing fleet of trucks. ......More
Edited By Mary C. Gannon Senior Associate Editor YITM series of hydraulic piston motors features a roller bearing between the piston and crank, permitting high torque efficiency and smooth operation. “Hydraulically balanced’ distributor ......More
The CLDP (Closed Loop Differential Pump) is a compact, selfcontained linear axis hydraulic drive from Voith Turbo H+L Hydraulic, Rutesheim, Germany. It offers all the usual benefits of a hydraulic system — high power density, overload ......More
Heavy work trucks, such as the refuse collection truck shown above, typically provide little space for access to PTO-driven hydraulic pumps. However, a new PTO from Parker Hannifin’s Chelsea Div. (below) reorients pump drive ......More
Edited By Mary C. Gannon Senior Associate Editor H1 piston pumps are available in 60cm3/68cm3 and 89cm3/100cm3 frame sizes. Electronic control options help compensate for reduced power of Tier IV/Stage IV engines. Electric-only control options ......More
YMPG series speed reducers come in torque ratings from 1500 to 500,000 N-m; most have four planet gears surrounding a sun gear. Modular system permits combining sub-assemblies. Configurations include in-line male or female spline output, angle drive ......More
Transplanting the end plate and output shaft from one motor onto another creates a gear motor with dual output, which makes an extremely compact design and simplifies plumbing over using two separate motors. Appears in print as "Clutch pair ......More
By Richard T. Schneider Contributing Editor Designed for simplicity and high but quiet performance, Eaton’s Model ADY098 Series 620 open-circuit piston pumps for mobile equipment applications are only 11.4-in. long, weigh 91 lb, yet transmit 134 hp. The ......More
YITM series piston motors come with a roller bearing between the piston and crank, providing high torque efficiency and smooth operation. Hydraulically balanced distributor provides high volumetric efficiency. It is available in 16 frames and ......More
PV360 variable-displacement, 360 cc/rev pump features a large servo piston for fast response. It operates at pressures to 5000 psi. Ripple chamber technology produces between 40-60% less pressure and flow pulsation than comparable pumps. ......More