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Working on bobcat model 743 with kubota diesel year 1990.
working on bobcat model 743 with kubota diesel year 1990. there hydraulic hose leaking and rotten on the bottom of the hydraulic control blocki it is short line runs to tee do i have to … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,055 satisfied customers
I have a bobcat 743. I replaced the original fuel filter
Hi, I have a bobcat 743. I replaced the original fuel filter (glass bowl on the bottom) with the new spin on fuel filter. I "added" some additional lengths for fuel line with brass couplers (to join t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,055 satisfied customers
The fuel injector pump on my bobcatskidsteer has no presure.
the fuel injector pump on my bobcat(###) ###-####skidsteer has no presure … read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,801 satisfied customers
My 743 has no fuel out of injection pump.Hand pump pushes it
my 743 has no fuel out of injection pump.Hand pump pushes it out of lift pump hose well but cranking the motor only coats the bottom of dixy cup.Replaced lift pump with no difference. How can I rule o… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,801 satisfied customers
I have a 743B Bobcat and removed the glow plugs for
I have a 743B Bobcat and removed the glow plugs for replacement.The old ones were in very poor shape when I removed them from the Kubota 1702 engine.When I attempted to install the new glow plugs they… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,055 satisfied customers
2015 bobcat t590. Not sure. Nothing. Shows injector 1 fault
2015 bobcat t590 JA: What is the complete model and serial number of your machine? Customer: not sure JA: Are you fixing this yourself? What have you tried so far? Customer: Nothing JA: Anything else … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,024 satisfied customers
743 bobcat the flywheel bolts sheered off twice.. This is a
743 bobcat the flywheel bolts sheered off twice. . This is a used replacement engine that is slightly different but was supposed to be compatible . … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,024 satisfied customers
I have a Bobcat 743 with a Kubota V-1702 engine...it hasn't
I have a Bobcat 743 with a Kubota V-1702 engine...it hasn't started or run in nearly 6 years (been sitting). I just drained the fuel, installed a new fuel filter, drained the injector pump rubber supp… read more
Fieldtech59
Fieldtech59
368 satisfied customers
Excessive vibrations and loud banging noise in Bobcat with
Excessive vibrations and loud banging noise in Bobcat with kubota diesel, oil looks thick, it's very cold weather......? Rod.? Engine damage?. … read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,801 satisfied customers
Have a Bobcat 743 and the Aux valve spool was leaking and
Have a Bobcat 743 and the Aux valve spool was leaking and the control arm wanted to stay left. Pulled the spool out and found it broken at the screw (Part #36) that connect the adaptor (part #33( and … read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,801 satisfied customers
1989 Bobcat 743 skidsteer just shut down while running and
1989 Bobcat 743 skidsteer just shut down while running and would not crank back up. Just turns over and won't start. Was filled with fuel, I replaced the fuel pump and fuel seems to be getting to the … read more
Fieldtech59
Fieldtech59
368 satisfied customers
I have a Bobcat 643 that the fuel hose inside the tank
I have a Bobcat 643 that the fuel hose inside the tank deteriorated and fell off. I have replaced the hose and primed with the ball pump but it still won't start. I don't think it is getting the fuel … read more
Fieldtech59
Fieldtech59
368 satisfied customers
I have a Bobcat M-610. The engine was rebuilt one year ago.
I have a Clark Bobcat M-610. The engine was rebuilt one year ago. A renter had been running the bobcat in the winter to keep the lubrication and battery charged. The bobcat had run out of gas. I got i… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,801 satisfied customers
Have a 743 Bobcat, when trying to start it, it crawls
have a 743 Bobcat, when trying to start it, it crawls forward or backward is this a service issue? … read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,801 satisfied customers
I have a bobcat 743 that is not getting fuel to the injector
I have a bobcat 743 that is not getting fuel to the injector pump. I've changed out everything and it's still not working. It originated with bad fuel being put in by accident. I'm stumped.… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,801 satisfied customers
Bobcat 743B 1702 Kubota has what I call a spark knock that
Bobcat 743B 1702 Kubota has what I call a spark knock that comes and goes #2 cylinder, when it is revved up it will come then fade out, runs good otherwise?… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,801 satisfied customers
My Bobcat 743 seems to be vapor locking all the sudden? I
My Bobcat 743 seems to be vapor locking all the sudden? I ran it all day yesterday and then it just quit last night. Went there this morning and pumped up the primer and it actually got hard, never di… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,801 satisfied customers
I had bobcat 773 would stall under load. Forums said replace
I had bobcat 773 would stall under load. Forums said replace fuel filter. I did and now can't even start. I'm all thumbs when it comes to this stuff. Any chance I missed something simple?… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,801 satisfied customers
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Meet the Experts:

Curtis B.

Curtis B.

Technician

38,801 satisfied customers

Technican turned service manager with multiple lines of equipment and rental units.

Wayne

Wayne

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worked on many road graders, Bull dozers , skid steers, Rollers

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Cat Man

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dieseldan55

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Chris (aka- Moose)

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Steve

Steve

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Heavy Equipment Mechanic for 25 years

JBFixxer

JBFixxer

Mechanic

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16+ years experience, hydraulics,hydrostatics, engines, fuel injection systems. And everything in between.

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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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