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  1. C

    Poor engine performance

    I have a backhoe with a Detroit 3-53 engine. I have verified no fod in tank or fuel lines, replaced the mechanical pump, verified the pump shaft is turning, replaced both primary and secondary fuel filters, replaced starter solenoid and rebuild starter. Engine fires with white smoke but doesnt...
  2. C

    Battery Specs for a Detriot 3-53 in a Backhoe?

    Anyone have any info on the battery sizing typically?
  3. C

    Inching Linkage

    I'm fairly new to using a Backhoe and have a 1970 Clark BL700. While underneath the Hoe, I noticed that this (see photo) was not connected. Looking at the Service & Parts manual it appears it might be part of the Inching Linkage. What is "Inching" and how should it work? Thanks in advance, Chuck
  4. C

    Fuel Pump Pressure Testing

    Anyone have detailed instructions on how to test the fuel pump pressure on a Detroit Diesel 3-53? I read that you should place the gauge in between the Secondary filter and the engine block but when I do I get a vacuum of 5 - 10 psi. I did read a forum stating that that the fuel pump should...
  5. C

    Forward\Reverse Power Reverser Fluid

    Does anyone know what fluid should go into a Power Reverser on a Clark BL700 backhoe?
  6. C

    GM Diesel 3-53 not starting

    Have a backhoe I started two days ago and it was idling when I went to raise the loader bucket, the engine bogged and stalled and been unable to start since. Blowing dark smoke as I turn the motor over and can hear it firing but not enough to start it. Checked the rack and nothing stuck and has...
  7. C

    Intermittent Steering Problem

    I have started to see an intermittent issue with steering my Backhoe. It sometimes locks up like there is no hydraulic pressure even those the other implements are working fine. It only lasts for a few minutes then the steering hydraulics reappear.
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    GM Diesel 3-53 Lacking Power

    Purchased a project backhoe with the 3-53 engine and after replacing the battery, primary & secondary fuel filters along with rebuilding the fuel pump, the engine seems to be without a whole lot of power. Has a tachometer on board but inop. Where on a diesel engine should the tachometer be...
  9. C

    Clark BL700 Stuck In 2nd

    Anyone have any tricks in getting out of what I believe is 2nd gear. Backhoe stuck on a slope and unable to drop trans. Is the 4 speed a typical H pattern 1 3 2 4? Thanks in advance.
  10. C

    Clark BL700 3-53 GM deisel starts but stalls after 5 minutes

    Ran out of fuel and since then the above is happening. I have changed out both the Primary & Secondary fuel filters but same result. Purchased hoe with an electric fuel pump installed by-passing stock gear pump. Not sure if this the problem or not. After about 5 min, the engine starts to run...
  11. C

    Clark BL700

    Anyone know the 4 speed shift pattern for this model? Or even better where I might be able to find an Operator Manual? I have found the Parts manual version without any problem. Thanks
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