11/21/2023 0 Comments Cat d4 7uBTW, fresh fuel all the way to the top, and Standyne additive which we run on our other diesel equipment. Hoping for some suggestions from those on this forum with greater insight. ![]() The fellow that sold us the machine suggested installing an electric fuel pump between the tank and pump to make starting easier since we have to use starting fluid to keep from running the batteries down from cranking. This leads me to believe that I have a fuel problem, maybe due to an unknown filter in the injector pump feed circuit or elsewhere. There was no sign of abnormal blow-by, and the exhaust remained somewhat white rather than the black smoke we get when under load. I was under the impression that if you could fit an old D4 with climbing spikes it would climb trees. 7U ) model was introduced equipped with the Cat D315, four - cylinder, 4 1. I had no problem with steering and clutch actions when on the flat and not pushing the blade. Everything else with the tractor remained virtually. Initially she seemed to push the blade without too much effort on about a 15-20% downhill grade, but when I tried to back her up the decline I couldn't get enough power to get her to move more than a foot or two before she'd began and finally stall out. Though it smoked badly when a few months ago I first drove it down our 1 mile road to our equipment area, after changing oil and filter, fuel, fuel lines, fuel filters (all four) it has cleaned up and seems to burn relatively clean and smooth.Ĭonfident that we had finally gotten the old girl ready for prime time I decided to head over and see what she could do. ![]() After several months of replacing, changing, filling, inspecting etc I was able to get our D4 7U ready for a maiden run on grading our new "boat ramp" leading down to our now-dry pond. Unfortunately I can find no information on what size would be comparable for the D4 7U model. ![]() We have completed the engine rebuild and are now moving onto the tracks. In particular I have a Caterpillar D4 7U model Serial 7u32285. My partner and I thought we had a pretty good addition to our low budget placer mining operation when we bought this 1956 Cat D4 7U with adjustable angle blade. Posted: Mon 12:56 pm Post subject: D47U Track details.
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