Bulldozer Traction
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Industry standard traction:
- Cat D7 - 32k lb - with .9 coefficient of traction on dry clay, it's 29k lb
- OSE double drive chain on 1/2" tracks has 7200 lb of tractive effort max. Thus, a four-tracked machine meets the performance of a CAT D7
- Cat D7 - 21k lb pull in 1947 - [1]
- Cat D7 agricultural tractor - 28k lb in 1959 - [2]
- Cat D6 - drawbar pull only half the weight the machine - 17k vs 33k lb weight - [3]
Links
- Presentation with Definition of bulldozer function - [4]
- Note - coefficient of traction max of 1 seems to be a misleading, as extremely aggressive tracks transition to a different mechanism than traction