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I have no ideal what you are talking about now. Nothing in this post is on the original subject. NO HELP AT ALL. It is best to keep the subject on the original subject matter instead of trolling a thread with post unrelated to the subject matter. I appreciate it if you quit trolling me.

What are you talking about. Did you read the OP? I NEVER SAID ANYTHING ABOUT TURNING A SCREW ON THE INJECTION PUMP! NO DO NOT DO THAT! Read the OP(original post). I hope you’re not trolling me.

You’re right. I thought the same thing earlier today. I thought man if that guy blew up his shit and didn’t come back here and updated everyone that wold be shitty. But he only posted about his adjustment 5 months ago. He was last active on the forum 2 weeks ago. Anyway I emailed and pm him for...

When did I insult you? Soft skinned? Did I hurt your feelings? Is it when I said you didn’t know what you were talking about with the tier 4 emissions? Yea it is a tier 4 engine without any tier 4 emissions? But you said it had tier 4 emissions engine! You’re exact words. You going to go taddle...

http://www.kubotaengine.com/products/engines/engine-model-name-identification

Yeah I asked for help and got nothing but my balls busted. No help from here even tho we have a forum full of “experts”:rolleyes: I actually got more help in one pm from someone reading my thread than I did from 10 pages of people busting my balls. Not picking a fight at all just educating the...

You honestly have no ideal what you are taking about. The law for teir 4 emissions is 25 hp or higher. The l2501 doesn’t have any teir 4 emissions it is under the requirement for teir 4 emission. The l3301 and 3901 have a diesel partlicate filter to qualify for tier 4 emissions. The l2501...

You are welcome. Go to your dealership and ask them to look at the engine service manual for the l2501. Go off knowledge like I do instead of going off what you “guess”. My dealer showed me the service manual for the exact engine in the l2501. We checked the injection pump and hydraulic pump. He...

Did you click on the link for the service manual? That is almost identical to the service manual for the exact engine in the l2501. I spent hours at the dealership on their computers researching before I even posted this question. I spent hours researching. I have seen the exact most current...

D1703-M-DI Specs. https://www.manualslib.com/manual/946457/Kubota-D1503-M-Di.html?page=6#manual

Well first you said “probably” blew it up! Now you are saying that it is “fact” that he blew it up? How do you know for a fact that he blew it up?

Where did you get that information from? What subsystems? The hydraulic pump is ran on other machines with rpms up to 2800. Yes it is set to 2200 rpm from the factory but why? Maybe to tune down a 30 hp engine to get it below the tier 4 requirements?

Kubota only make ONE d1703 engine. The M means nothing important. The DI means direct injection. The E4 means teir 4 engine. Kubota only has one d1703 engine. They do not make a special d1703 just for the l2501. Here is some information on what the rest of the engine model number means...

That is not from the service manual for the kubota d1703 engine. Kubota only makes one d1703 engine. Are you saying that the d1703 engine in the kubota L2501 is not a d1703 engine? I already posted specs for the d1703 engine.

Maybe the first time he reved the engine up to 2800 rpm, 200 rpm below the d1703 spec it grenaded, blew up into a 1,000 pieces and killed him? Maybe!

I will let you know. I am going to do a lot of testing before I publish the results. I have been keeping an eye out for a pto dyno and hoping I can find one for this project.

Anyone reading this do not raise the rpm over 3000 that is max rpm according to the service manual.

Understand but the problem with the l2501 is the 2050 rpm rated PTO speed. I actually run mine a little faster at 2100 rpm wich is still within the pto speed range. 2400 is the max rpm under no load and under a light load the max rpm is 2200 and what the l2501 rating is. So we are only talking...

I found the thread from Joel k related to the subject. http://www.orangetractortalks.com/forums/showthread.php?p=310283

I got it from the kubota d1703 Service manual. ISO Net Continuous: (28.4 HP / 2800 min-1 (rpm) SO/SAE Net Intermittent: (32.7 HP / 2800 min-1 (rpm) SAE Gross Intermittent: (35.0 HP / 2800 min-1 (rpm) Maximum Bare Speed: 3020 min-1 (rpm) Minimum Bare Idling Speed: 750 to 850 min-1 (rpm)