![]() ![]() The control of this winch is provided by the ripper handlever. As the drum turns, the wire rope moves either toward the winch or away from the winch. The output end of this shaft connects to the traditional spur gear train seen in our PTO winches, and then on to the drum. All of these components are on a single shaft oriented across the winch. The motor is connected to a brake, a planetary gearset and a brake-off clutch. The hydraulic input to the winch is sent to a hydraulic motor located securely inside the winch. The input power comes from hydraulic flow delivered by the ripper hydraulic circuit, which itself is produced by a hydraulic pump on the Case dozer. Let’s look inside the H6H winch for 2050M to see a typical arrangement of our hydraulic winch. The gear train reduces the RPM and increases the torque to permit high line pull in the wire rope wrapped around the drum. That input power is then sent through a gear train to turn the winch drum. The most likely sources are mechanical (a PTO shaft directly or indirectly connected to a diesel or gasoline engine), hydraulic (the output shaft from a hydraulic motor), or electrical (the output shaft from an electric motor). ![]() The input power is derived from any source that can ultimately be converted to torque at an input shaft. It’s more or less like a transmission, with power input on one side and an altered form of power out the other side. Hydraulic Winch TechnologyĪn important thing to understand about any winch is that a winch has no power of its own. Let’s take a look under the hood of this new type of winch. Here are the winches that match the Case line-up, which includes the 650L in addition to the new M Series models: Starting with the M Series, all winches for Case dozers are now hydraulic winches. Most dealers are familiar with Allied’s PTO-driven winches that have been the mainstay in the winch business for decades. Customers have been impressed with the power and ease the combination provides. The new Case models have been receiving rave reviews from both customers and operators. Winch shipments for the new machines have been exceeding all expectations. New Case M Series Finding Success with Allied WinchĬase recently announced the new M Series line of crawler dozers, and Allied was there to join the party. The same winch fits the 850M with no modification. ![]() The H4H winch with optional fairlead on Case 750M. ![]()
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