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Old 03-10-2019, 06:06 PM
jpswift1 jpswift1 is offline
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Join Date: Oct 2018
Location: NY
Posts: 55
Default D600 Cranking but not firing

Hi everyone, I'm no stranger to gas engines, but I'm relatively new to diesels. I have a Kubota D600 and it would start right up and a idle and mid throttle it would start immediately and run great with no smoke or misfiring. At high RPM's it would miss and smoke. I ran it for a little while and then all of a sudden it puffs some black smoke and it smoothed right out and ran perfect. I idled it down and it ran perfect at idle, mid throttle, and then perfect at high RPM......it sounded great and was smooth as could be with no smoke, and it ran very powerfully. I was thrilled......until about a minute later when it died out.

Now I go to start it and it cranks and cranks and then tries to fire and puffs a little smoke, cranks and cranks, and then tries to fire, puffs a little smoke, but it will not run. It almost seems like it is only firing on one cylinder, but I have no idea. Could you diesel folks please help me out on what to look at as far as diagnosing this goes? I pulled the fuel line and I can tell that the fuel pump by the tank is spitting fuel up to the injector pump just fine, but it seems like something is going on with the injectors or the injector pump, but I don't know how to go about diagnosing this. Thanks in advance for your help everyone.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

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