Consequently, the all-new D5 is much larger than any of the earlier versions.ĭ5K Specifications Engine For some of the lighter series, such as the D5C. The heavier, elevated versions of these could weigh 34,000 pounds (15,000 kg). This is a considerable increase over any previous D5 models. This new designation has now put the current D5's weight at close to 43,000 pounds (20,000 kg). Caterpillar has now turned to a straight number designation (no letters) for all of its new track-laying tractors - starting, for the first time, with the D-1 and going all the way up to the D-11, with consistent size and weight breaks between each model. For example, the D5H came out years before the D5C. These varying series have created some confusion with lineage, as the letter designation does not always correspond to when the model of machine was introduced. And later, this also determined the type of transmission used, with the smaller series using a hydrostatic drive and the larger version typically having a Power-Shift transmission. Usually, the differentiation had to do with whether the machine incorporated an elevated or high sprocket drive. Over the years, Caterpillar often built different series of D5s at the same time, often with a lighter version having more in common with the smaller D3 and D4 tractors, and a larger version more akin to the much larger D6. D3 (current version) replaced the D5K2, 2020.D5C 1992-2002 low drive power shift, then hystat dozer.The following models originated with the MHI (Mitsubishi Heavy Industries) partnership, providing smaller, low drive dozers, in the 20,000 lb range.D5 D5LGP (current version) released in 2019, as a replacement for the D6N.D5N was replaced with the D6K low drive hystat dozer, becoming the D4 in 2021.D5N larger version elevated sprocket 2003-2006.D5M larger version D5 elevated "high" sprocket 1996-2003.D5H larger version D5 elevated sprocket 1986-1996.D5H LGP - Low ground pressure version with wide & long tracks, for soft ground.D5H, an elevated sprocket model introduced in 1985.
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