Discussion:
Cat DP40 does not move - trouble-shooting

I'm looking at an old 1990 CAT DP40 that the hydraulics supposedly work, but will only slightly creep along. When I looked at it, the batteries were dead and it wouldn't start.

I plan on going back with good batteries to get it started and look into the drive issue.

Stupid question: do the hydraulics and transmission use the same fluid? The lift has been sitting for some time, the transmission dipstick shows nearly nothing, but the side hydraulic tank is full.
  • Posted 11 Oct 2018 11:05
  • Discussion started by jj80909
  • Colorado, United States
Showing items 1 - 1 of 1 results.
1. The DP40 is a bit newer than 1990 - this Cat modle was produced by MCFA a joint venture company between Mitsubishi Heavy Industries & Caterpillar Inc. This company was started in mid year 1992 so this unit could be as young as 1992 or newer - a s/n would help ID what year. This Cat model is the same as a Mitsubishi FD 40 with only paint and decal differences
2. The trans and hyrdaulic system do not share the same fluid type. I can't tell you what fluid the trans uses but others can probably help.
  • Posted 11 Oct 2018 21:53
  • Reply by johnr_j
  • Georgia, United States

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