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    Carco winch

    I just wanted to necro this thread for a note about what I found about this winch model when looking for a winch for our D6D. The Carco F50PS winches require a external hydraulic pump to operate the hydraulic clutch - most installs run a gear pump off the fan belt. The newer generation of...
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    Concerns before my first drive of sitting Cat d6 9u

    Sounds like the main clutch is stuck. When you are trying to engage the clutch brake, the clutch should be disengaged, and not bog down the engine. Check inside the clutch compartment to see if the plates move. The clutch may break free if you can get it in gear and ram against something with...
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    D31A 17 Ran Out of Deisel

    If you are not getting fuel through your bleeding procedure, then something has plugged your lines. Pump your fuel tank out, then leave enough to test the flow of the fuel lines. First place I would check is the pipe fitting coming from the fuel tank - I had a Farmall with fuel starvation...
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    D4d blade width

    Lookin good! :) Our driveway is a bit shorter (maybe 500 meters or a third of a mile), but once we started using our D6D, we started clearing our driveway just about exclusively with it. We used a Case 580B previously, but found the angle blade sped the job up so much we just use the backhoe...
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    D4d blade width

    I'd be curious about this question as well, but I think an inch is okay depending on the terrain you are on.
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    D4d blade width

    Build them up. Sharpening them just makes them wear out faster.
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    D4d blade width

    An angle blade will naturally be slightly wider than a straight blade so it can pivot to 45 degrees - I think our D4 angle blade is 10 feet. I'll have to go back and stretch a tape measure. A 12ft blade is probably okay for snow clearing on that little guy. For dirt you will like have to...
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    Cat D6C Blade attachment

    I have known those as "Trunnions". You would likely build them up with the same material as what you would use to build up undercarriage parts.
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    D4D Cat transmission upgrades?

    Where did we act like it's a sin? All we said was we don't think it's worth doing the mods. Parts for construction equipment, especially your D4D, are going to be scare and expensive to replace. There is a certain balance between power and reliability, and if the application needs more power...
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    D4D Cat transmission upgrades?

    In my opinion a direct drive is actually a downgrade for a utility bulldozer, because it means a lot more movement from the operator to change direction. Your D4D is a fairly small cat, so you need all the mobility you can get to do stuff like snowplowing and land clearing. You see direct...
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    76 D4D new toy with problems

    I should ask: does your powershift have a lever to disconnect the tracks for using a winch? Our 83J has such a transmission. The pinion has a needle bearing that allows a dog clutch to disconnect the tracks, and that is how the pinion and ring gear failed on our D4D - the needle bearing failed...
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    76 D4D new toy with problems

    Copperheadmarine on youtube did a 3304 turbo conversion on a direct drive D4D, I think his videos will have a few tuning tips that might be helpful.
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    Cat 235 excavator weak slow stick and only full speed swing

    Who do you go to for hydraulic hoses? They should have the guage and the fittings you need to set up a pressure tester. In theory grease gun hoses should be enough for a pressure guage as the guages dont need much volume, but make sure those have the appropriate pressure rating written on the...
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    Cat 235 excavator weak slow stick and only full speed swing

    I guess the first place to start would be the main control valves directly connected to the two functions having problems. After those are cleaned, just work backwards until you get to the pump.
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    Cat 235 excavator weak slow stick and only full speed swing

    If metal contamination is suspected, I'd look at bringing in a filter cart to clean the oil and flush the main reservoir out.
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    76 D4D new toy with problems

    I remember my dad building a monster of a spring compressor to disassemble the track adjusters on our D4D - 4 sets of 1-inch ready rod with a square of 1-inch steel plate on each end, with a hole bored out on one end to let the rod out. Once the spring was released he patiently loosened each...
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    Cat 235 excavator weak slow stick and only full speed swing

    I'm just a farmer-grade mechanic, but my first thought is to check the relief valves on the valve banks to see if those are opening early. At the very least, that might help with the weak stick. The other possibility is the piston packing inside the stick cyilinder is failing, and the oil is...
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    FACTORY RADIO IN CASE 1150K 2007 DOZER

    Probably. The "LED drivers" (basically constant-voltage DC-DC power supplies) can be of very dubious quality, including lack of EMI filtering. Testing with the lights off is the easiest to test for that.
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    Grove AMZ-66 manlift--looking for help troubleshooting basket controls

    It sounds like something is not responding when a load is put into the system. Perhaps the pressure compensation mechanism on the pump isn't working?
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    Grove AMZ-66 manlift--looking for help troubleshooting basket controls

    Brad, does your engine try to throttle up as the function switch is moved? You may need to examine the throttle solenoid.
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