![]() It's not certain if that question is truly on the table at the moment, but the 2007 introduction of the D6K, bringing an oval-track D6 option back to North America, suggests that Peoria acknowledges demand for broader application of low-drive undercarriage. Nicoll said Cat would rigorously evaluate applications of smaller dozers before it decided whether or not to eliminate elevated sprockets from D6 and smaller units. Certainly we will continue to use the elevated-sprocket undercarriage on the D8 and larger tractors." "You get the greatest value out of elevated-sprocket undercarriage when it is suspended, and only the D8 and larger sized elevated sprocket undercarriages are suspended. "We carefully evaluated all of the kinds of work that a D7 does, and decided the low-drive undercarriage configuration is the best choice for the job," Nicoll explains. Here is what they said to Construction Equipment Magazine in 2008 after the D7E intro: I agree with D9gdon and I guess the marketing folks at Cat do as well. Find the best priced used Caterpillar D4 Dozers by owners and dealers. Browse Caterpillar D4 Dozers For Sale near you on. Again, not near as much factor in smaller dozers simply because the horsepower isn't there and their working environment is different. In minutes, you can create an online listing for your dozer and advertise it to thousands of buyers. This is also where the shock loading of the final drives is lessened in the high drive. Smaller dozers aren't in near as much rocky situations because they're mainly built for spreading dirt, not mass earthwork like ripping or overburden removal. The smaller dozers don't get rebuilt usually but once in their lifetime then they're put out to pasture cause it'll cost more to rebuild it the second time than what the entire dozer is worth.Īnother benefit is the bogey type roller system that contributes to a much more comfortable ride in rough conditions, like rock. ![]() ![]() Same with the ease of final drive removal. You don't have to remove the engine to remove it. The versatile Cat® D4 bulldozer offers the power and precision to get jobs done quickly, plus gives you up to 30 percent more visibility in front of the doze. ![]() One is the modular build of the high track tractor where you can remove each module without having to remove another, like transmission removal. I guess the extra costs involved in building and maintaining them doesn't outweigh the advantages they offer. They just don't rack up the hours like the bigger ones do and the machine is somewhat more "disposable" than rebuildable because of the lower dollar amounts involved. Have any questions about maintaining your D4 undercarriage? Reach out to your Cat dealer, who can make sure you are getting the most out of your machine.I think it has a lot to do with the fact that smaller dozers do not benefit from some of the advantages of high track design. REMEMBER: Always refer to your Operation and Maintenance Manual for guidance on maintenance, safety, settings, features and more. Planetary oil lines should line up and be parallel to the ground. Regularly check planetary drive oil levels and sample the oil according to your Operation and Maintenance Manual's recommended intervals. Your bulldozer’s planetary (final) drives spread the load over multiple gears. Make sure you check your Operation and Maintenance Manual for the ideal dimensions, and adjust your track if needed. Enrolled in Caterpillar 60/5,000 PT + HYD + TECH Extended Warranty (start date ) Carco Winch w/ Fairleads, PAT Blade, Sweeps, Rear & Side Screns, 30' HD Track D4 Track-Type Tractor Ma.See More Details. Refer to the video for a visual demonstration of this technique. Take note of the wear on your track’s grousers by using a string or straight edge. Then make sure your track isn’t excessively worn, and keep an eye out for any excess dirt buildup. But be careful: These may be very hot.Ĭheck your dozer’s track roller frame and your equalizer bar pin for cracks and/or leaks. And look for dry joints after shutting down by lightly feeling the end of each pin or bushing for excess heat. If you hear more noise than usual, this can indicate dry joints. Inspecting your dozer is a continuous process that’s inseparable from every day’s work. But be careful not to directly spray your seals, track pin, roller or idler stoppers. Wash your undercarriage with water if mud is packed tightly. Use a shovel to remove dirt and debris from your D4 bulldozer’s: Let’s go over a few necessary procedures to maintain your important undercarriage parts and components.Ĭlean your undercarriage daily to help extend the life of your seals and components.
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