CATERILLAR D4-7U
FACTS AND SPECS OF THIS GREAT BULLDOZER
HYSTER WINCH FOR BUSH WORK
Hyster, Lufkin, and Lantec names in winches. Hyster winch 1950-52 was a D4N model. internal expanding drum brake with brake shoes expanded by a cam. You set the brake by pulling a long manual lever with ratchet teeth to hold the lever. Shifting was by another long lever to move gears around inside the winch to achieve forward, neutral and reverse.
The W8K winch is a power shift winch& has a single lever control which activates a hydraulic spool valve inside the winch with 4 positions
The Caterpillar D4 -JU Series
The Hyster W8K has a Young integral arch on top of it for logging. The elevation gives you some lift to get the logs or what ever you are towing off the ground and the fairlead (the combination of rollers) lets you pull off to the side without 'burning' the cable over the side of the drum.The downside, or should I say the 'upside' is that if you pull too hard, the extra leverage from the elevation pulling location can lift the front of the dozer off the ground providing reduced traction
Hyster Winch lengths for D4 485ft @5/8'' 355ft @3/4'' D4EHY4E12 S/N 8L1656D.
| D4. 7U. 1947 7U1-7U1797 |
D4. 7U. 1948 7U1798-7U4257 |
| D4. 7U. 1949 7U4258-7U8027 |
D4. 7U. 1950 7U8028-7U11887 |
| D4. 7U. 1951 7U11888-7U16008 |
D4. 7U. 1952 7U16009-7U20836 |
| D4. 7U. 1953 7U20837-7U26193 |
D4. 7U. 1954 7U26194-7U30583 |
| D4. 7U. 1955 7U30584-7U35569 |
D4. 7U. 1956 7U35570-7U39596 |
| D4. 7U. 1957 7U39597-7U42012 |
D4. 7U. 1958 7U42013-7U42725 |
| D4. 7U. 1959 7U42726- |
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Caterpillar D4 Bulldozer
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