Caterpillar D5

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A Caterpillar D5H parked on a construction site in South Florida.

The Caterpillar D5 is a small track-type bulldozer manufactured by Caterpillar Inc. The original D5 series was only produced in 1939.[1] The current D5 series being produced is the D5K.

Versions[]

  • D5 (9M) was originally built in 1939, with only 46 built. It was a cross between the D4 chassis and the 6-cylinder D6 45 hp D4600 engine.
  • D5 - reintroduced in 1967.
  • D5B - 1977
  • D5 SA - Special Application agricultural tractor
  • D5H an elevated sprocket model introduced in 1985.
  • D5H LGP - Low ground pressure version with wide & long tracks, for soft ground
  • D5K - current version
  • D5C 1992-2002 non elevated sprocket
  • D5E 1993-1999
  • d5G hydrostatic drive 2001-
  • D5H larger version D5 elevated sprocket 1986-1996
  • D5M larger versionD5 elevated "high" sprocket 1996-2003
  • D5N larger version elevated sprocket 2003-
  • D5 (no letter designation) current as of 2021
  Over the years, Caterpillar has often built different series D5s at the same, often with a lighter version, having more in common with the smaller D3 and D4 tractors, and a larger version more alike to the much larger D6. Usually, the differentiation had to do with wether or not the machine incorporated an elevated or high sprocket drive. 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 PowerShift transmission. But these varying series have created some confusion with lineage, as the letter designation doesn't always represent when the machine was introduced. For example the D5H came out years before the D5C. Interestingly Caterpillar has now turned to a straight number designation (no letters) for all of its new track type tractors, starting, for the first time, with the D-1 and going all the way up to the D-11, and with consistent size and weight breaks between each model. This new designation has now put the current D5's weight at close to 43,000 pounds. This is a considerable increase from any of the previous D5 models, which could max out at about 34k for some of the heavier elevated versions or go down to only 20k-25K for some of the lighter series such as the D5C. So, the all new D5 is much larger than any of the earlier versions.

D5K Specifications[]

Engine[]

  • Gross Power: 74.5 kW (100 hp)
  • Net Power: 71.6 kW (96 hp)
  • Bore: 105 mm
  • Weight in kg 15,000 approx.

Weights[]

  • XL Operating weight: 9408 kg (20,741 lb)
  • LGP Operating weight: 9683 kg (21,347 lb)[2]

See also[]

References[]

  1. ^ Orlemann, Eric (2000). Caterpillar Chronicle: The History of the World's Greatest Earthmovers. MBI Publishing Company. p. 50. ISBN 9781610605779.
  2. ^ "www.cat.com/cmms/images/C367831.pdf" (PDF). Archived from the original (PDF) on February 6, 2009. Retrieved 2009-02-21.


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