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  1. K

    Getting All Hydraulic Fluid Out

    That was my thought. I figured I’d start with all cylinders extended, drain and refill the tank, run the return hose at the filter to a waste drum, then one at a time retract all cylinders while keeping the tank topped off. But, Willie’s directions have me starting out with the bucket cylinders...
  2. K

    Getting All Hydraulic Fluid Out

    In Jackson, WY my windows of good weather are so short that I’d like to do Willie’s method, but it didn’t include what to do with the clamshell or extendahoe.
  3. K

    Getting All Hydraulic Fluid Out

    I am just about to start following Willie's directions to flush the hydraulic fluid in my 580E and realized that I don't know when to extend/retract the 4-in-1 clamshell cylinders or the extendahoe. My intuition was to just extend all cylinders and retract them one at a time, but after more...
  4. K

    680E Cummins swap

    Well I spent a few hours on the phone today calling salvage yards and came up empty handed. A few of the larger yards snickered as soon as I said "336BD." Answers ranged from "goodluck..." to "we've never got one in before without a broken crank or hole in the block." A few places had random...
  5. K

    680E Cummins swap

    Is there something about the Cummins in the 680K that makes it an easier conversion than any top-turbo 6BT? I’m not having any trouble finding nice 6BTs and SAE#2 bellhousings. Also, that link you sent is representative what I’ve been finding: lots of hammered non-runners for more money than a...
  6. K

    680E Cummins swap

    Thanks for the input fellas. Tinkerer, I got the 680E for $2,000 with extendahoe and EROP, so hopefully I’m doing alright. I’ve called around to all the nearby tractor yards and every 336 I see has either a broken crank or a spun main bearing, whereas 4BT and 6BT engines are plentiful and under...
  7. K

    680E Cummins swap

    I just purchased a very clean Case 680E with a broken connecting rod (punched a hole through the block). It seems these 336BD engines are the trifecta of being unreliable, rare, and expensive. It looks like the newer 680K uses the Cummins 6BT, so I'm wondering the feasibility of an engine swap...
  8. K

    Case 480D

    Case 480D
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