Bobcat 743 will not start

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jonathan_m_ball

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Jun 2, 2025
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I have a bobcat 743 that will not start going to try test all connections for power just thought maybe someone would know or have had a similar issue one video is trying the key to start it the other is jumping the starter solenoid
 

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Does it get fuel? What about the fuel shut off solenoid? Does it work? Does it start when you remove it?
I don't believe it has on it does have a shutoff cable. And when I use jumper on the starter solenoid it pumps out fuel
 

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I'm not sure if you're asking about an electrical issue, or why it doesn't start upon turning over?
Check for Fuel to injectors? Lift pump ok? No leaks in fuel hoses? Fuel pick up in tank clogged?
Glow preheat ( mine needs glow even in summer)?
Compression? Could be tested.
Did it overheat?
 
If the engine is turning over but will not fire then it could be as simple as operating the glow plugs as these engines do not have direct injection combustion chambers (they have a pocket up in the head) and can refuse to start without pre heat, even more so on an old Kubota.
 
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