B2620 Correct RPM'S???

[Charlton John]

Hi everyone. I was hoping for some advise on the topic. I am a fairly new tractor operator (1.5 yrs.) and new to the B2620 (11 hrs.) The manual really does not specify what is the correct RPM'S to run the machine at. I dont mow w/ it just using the FEL and doing some Box blading and york raking, Any suggestions??? Thanks

 

[peterc38]

I have a B7610 (slightly less power than your tractor) and I typically run about 2,000 to 2,200 for most FEL and box blade use. I give it a little more if needed when trying to lift something heavier. I don't own a york rake but I would imagine you could run at slightly lower rpm's due to moving less material than a box blade normally would.

 

[628pm]

If I am not mistaken, you should run it around 2500 - 2800 RPM at the most, but don't run it continuous at a constant speed before 50 hour break in. The manual gives you some guidelines to follow.

 

[Charlton John]

Thanks 628, I have maxed out so far at about 2200 when I was moving some heavy boulders this weekend (building a border around an island of trees) as some of these are quite heavy. I have moderated the the speed though from moving from one location to the other when the bucket was not full etc... I think I am going to try and keep it around 1800 or so from here on out, or at least till 50 hrs. has been achieved.

I checked the manual but must have overlooked this part??? Thanks

 

[easygo]

I match the rpm to the task at hand. If doing work in close quarters I reduce the engine speed to about 1500 to make things happen slower. The power is pretty much the same. When doing general loader or mowing work I run it 2000-2100 rpm. When using the chipper I crank it up to the official PTO rpm.

 

[Charlton John]

I match the rpm to the task at hand. If doing work in close quarters I reduce the engine speed to about 1500 to make things happen slower. The power is pretty much the same. When doing general loader or mowing work I run it 2000-2100 rpm. When using the chipper I crank it up to the official PTO rpm.

Thanks I was under the impression that the more RPM'S I am using the more power I would get from the tractor. I guess based on the couple replies that running about 2000 for the heavy loader work I have been doing has been okay. I have also been doing this heavy work in 4wd.

 

[Smokin Diesel]

Look at it this way - if the tractor couldn't be run at the rated PTO rpm for extended periods of time right out of the crate, then mowing, hogging, tilling, etc. would be a no-no for the first 50 hours. There are machines that get delivered and go right to work mowing all day at 2600 rpm with no ill-effects. A tractor would be pretty useless for a typical homeowner if you couldn't work it for the first 50 hours! For me, that would have been almost an entire summer's worth of mowing my 2 acres. Not practical at all. Long story short, don't worry about the rpms hurting your engine - they're built to take it.

Let it warm up for a few minutes to let everything expand and get the tolerances in the engine to where they need to be (there's a table in your manual for warm-up time) and then have at it. And to answer your original question, I usually end up around 1800-2100 rpm when I'm running my loader and box blade. That gives me plenty of speed on the hydraulics without them being twitchy. Maybe a little less for precision work, and a little more to get the loader to work faster if I have a lot of dirt to move. RPM doesn't really give you any more power with the hydraulics (they'll stall at the same load whether you're at 1600 rpm or 2600 rpm), so you're only really adjusting the travel speed.

 

[Charlton John]

Thanks Diesel, That input is very helpful! Great points I never thought of about new tractor usage. I am fairly new to tractors (1.5 yrs) and my last was a smaller SCUT that I only put about 60 hrs. on mostly mowing. I got the bigger tractor as I am now starting to overhaul my property, so using these implements and heavy loader work is fairly new to me. Thanks Again!!!!

 

[easygo]

John,
as It was said before you get the power at all above mentioned RPM's. Higher engine speed yields more oil pumped thus making things happen faster if necessary, both with travel and loader operating speeds. For me the reason why I vary the engine speed is:

If it doesn't have to run that hard then why should it?!

The other thing is that around 1500 things get smoother and the vibration is about minimum. As you use higher RPM the noise level increases a good bit. I personally like to make as little noise as possible especially when I must sit so close to it.