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I have a cat D3 R serial 79u with a bad starter, is there a
I have a cat D3 R serial 79u with a bad starter, is there a intelligent way to get the starter out, because it looks like it is a very difficult starter to get out.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I've got a 1979 d3 runs good until warmed up then starts
Second Opinion] Hi, I've got a 1979 d3 runs good until warmed up then starts slipping engine revs then eventually won't move at all. Let it sit and come back later then moves again for a bit then does… read more
Daniel Wilson
Daniel Wilson
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I have a CAT 308E that won't start. It was running fine and
I have a CAT 308E that won't start. It was running fine and then all of a sudden died on me. The only notable item I saw was that the temperature gauge because inaccurate when it died.Had a CAT techni… read more
catmastertech
catmastertech
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Need to know proper wiring diagram for starter relay and
need to know proper wiring diagram for starter relay and solenoid for cat d3 79u … read more
catmastertech
catmastertech
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I have a cat 236b. The aux hydraulics only function in one
I have a cat 236b. The aux hydraulics only function in one direction. When they do function in that direction it is stuck in full flow in that direction until you disengage the hydros as in lift the l… read more
JimmyM827
JimmyM827
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Automotive technologies
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Changed fuel filters starting it up ran fine turned off and
Changed fuel filters starting it up ran fine turned off and now won't start by key or starting fluid and no fuel at injectors … read more
Curtis B.
Curtis B.
Technician
Associate Degree
2,324 satisfied customers
I have Cat d3 dozer that throttle sticks on. It would
I have Cat d3 dozer that throttle sticks on. It would advance and not shut down or it won't advance and drive at all or it sticks in full throttle when starting. … read more
catmastertech
catmastertech
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I have a 1979 jd 440c skidded, lost a bearing on top shaft
I have a 1979 jd 440c skidded, lost a bearing on top shaft next to reverse gear, so shaft dropped to bottom of bearing slot, after new bearing was put in will not shift into 1st or reverse while runni… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have A 259d when i turn The key “on” it seems like the
I have A 259d when i turn The key “on” it seems like the starter solenoid is clicking but I'm not turning the ignition to turn engine over yet. … read more
catmastertech
catmastertech
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Have a '76 D3 79U. Had a lot of starter problems but finally
Have a '76 D3 79U. Had a lot of starter problems but finally traced it to bad ground. One of the "experts" pulled all the wiring off around starter and relay so we need a schematic to get it back to n… read more
catmastertech
catmastertech
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I have oil leaking out of the front crankshaft seal d3
HiI have oil leaking out of the front crankshaft seal d3 series 2. What are the steps and special tools to replace the front crankshaft seal.serial: 4hj00130 8y5003 engine : 45v94086 4p0907 Trans :9ae… read more
catmastertech
catmastertech
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Curtis I have a bobcat 743B. the glow plug wire to the first
For Curtis B, Curtis I have a bobcat 743B. the glow plug wire to the first glow plug gets power only when cranking. No power when just in the key on position. At the switch we have power in the on pos… read more
Curtis B.
Curtis B.
Technician
Associate Degree
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Have a cat D5C #6CS01127. Rt side track will not move. when
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catmastertech
catmastertech
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Have a 91 cat d3c 5cj00055 new starter and battery 2 weeks
Have a 91 cat d3c 5cj00055 new starter and battery 2 weeks ago went to start today starter cranked let go of starter switch it continued to crank turned master key switch starter continued to crank fo… read more
catmastertech
catmastertech
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Hello Curtis. My name is ***** ***** you have helped me before.
Hello Curtis. My name is ***** ***** you have helped me before. I have a JD 6675 skidsteer and I am having electrical issues. I was driving my skidsteer and it seemed like i had some bad fuel. It was … read more
Curtis B.
Curtis B.
Technician
Associate Degree
2,324 satisfied customers
I have a 420d cat backhoe when you try to start it you turn
I have a 420d cat backhoe when you try to start it you turn the key to start you get nothing the light does not dim you kept turner it on and off it will start when you hill it it will start right up … read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
3,937 satisfied customers
Im having trouble with my CAT D3 Dozer. It will not tram (go
I'm having trouble with my CAT D3 Dozer. It will not tram (go into gear) forward. It will only tram somewhat in the backwards gear. I don't know what the problem could be.… read more
catmastertech
catmastertech
Technician
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3,937 satisfied customers
I have a Cat th210 telehandler, my guys accidentally hooked
I have a Cat th210 telehandler, my guys accidentally hooked up the battery charger backwards, apparantely it drained the battery and charged it backwards, I put another battery in and now it won't cra… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
3,937 satisfied customers
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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