Have any questions about operating your Cat D4 Dozer? Reach out to your Cat dealer, who can make sure you are getting the most out of your machine. You can order additional or replacement Operation and Maintenance Manuals if you need a new copy. if your rollers are the old style with the button zerk and the seals are good you can. you can use 90 weight or heavier 85/140 gear oil in the final drives. you can use 90weight or 85/90 in the transmission. In the right hands, and with a little bit of work. The machine dates from 1955, and while it shows its age, it runs strong, just as youd take for granted from a Caterpillar. rather than the narrower 44' gauge found on the 6U. The 7U machines have a wider 60' track gauge. you can use 15w40 diesel engine oil or 30w diesel engine oil in the crank case. This Caterpillar D4 carries serial number 7U34757. With full understanding of how to use your machine and its monitor, you can boost productivity up to 50%, increase fuel efficiency up to 35% and cut maintenance costs up to 12%.Īlways refer to your Operation and Maintenance Manual for guidance on maintenance, safety, settings, features and more. Replied by bursitis on topic Newbie D4 7U lube questions. You’ll also see examples of D4 operator comfort and safety features, like climate control and seating adjustments. Looking for your gauges and other operational information? It’s a breeze to find what you need on the updated monitor. My speculation is the part of the clutch that stays above the oil level has some holding capacity. That it is probably an oil contamination issue since the clutch is now partially submerged.
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