Mowing at 2600RPM with the 54" MMM
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    Mowing at 2600RPM with the 54" MMM

    I'm new to the tractor world so I have been reading a lot and noticed several threads about reducing RPMs since these tractors have a radiator and do not need full throttle for cooling. I decided to experiment and reduced my 1023R with 54"MMM to 2600 RPM just because it sounded good at that RPM. After 5 times of cutting grass I plan to stay at this RPM because I see no difference in the cut quality and the fuel consumption reduced significantly. Also a noticeable lowering of the temperature.

    I have a flat yard with a mixture of grasses, not a lawn, but I take pride in making it look good and I am very pleased. So unless the more knowledgeable say there is something harmful to the tractor you may want to experiment with your yard and tractor.

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    PJR832's Avatar
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    There is no harm that can come of running lower rpms, I've noticed the same thing you have and have continued to mow at around 2700. Contrary to popular belief just because they have an icon of a pto shaft at a certain rpm doesn't mean that every pto implement requires that much. My tiller is probably the only implement that I run wide open with, even my rotary cutter doesn't require that unless I'm into some very heavy stuff.
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    I'm curious at what speed cut quality decreases. I always run my mid PTO at 2100 RPM (I.E. Max engine RPM) in high gear at a speed as fast as I can travel without the tractor getting thrown around too much by my not-so-smooth yard.

    I know it seems to cut fine when the PTO rpm bogs down to 1850 when driving up a hill... I try to go a little slower then.
    keane and JD4044M like this.
    2018 1025r TLB

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    kylew's Avatar
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    FWIW, we mow our yard at about 1700-1800 mid-pto rpm. Does a good job and I don't see any need to run it faster. Plus fuel consumption is better.
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    You guys in posts 1 thru 4 are finding and doing what I said a couple years ago that the rpm’s don’t need to be high to cut grass. I run at 1900 to 2200 all the time cutting grass. The blades are kept sharp and they cut no different than when the rpm’s are high. A real myth to be at full throttle making unwanted noise and wasting fuel.
    best keep this quiet or the non believers will go berserk.
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    I started doing the same. A little faster, but not at full throttle. Between 1800-1950 pto rpm. Around 28-2900 engine. Works like a champ...and when mowing 5 acres, I do notice the fuel consumption difference

    2018 1025R, 120R Loader, 60D MMM, BB2048, RC2048
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    I just run the PTO @ 2000 which puts the engine at I would say 3000RPM, my theory was if the max PTO is 2100, i'm not always running it full out. Works well for me and NEVER bogs down and throws the grass a good distance nice and clean, but often wondered if I needed to run it that quick. Honestly I don't know if I'll change it though. I'm suspecting i'll run the blower close to the same RPM's...again so it doesn't bog down. We will see in a few short months.

    Kevin.
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    DEERE1025R's Avatar
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    JEESE! If I tried mowing my lawn in high range I would be peeing blood by the end! Too hard on the equipment unless you got a really flat lawn.. IMO.. I mow low range and mid PTO around 2100 and that's with mulching.
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    I've only got one flat spot, which will soon be a deck. Low gear is just too slow! I don't have my foot planted in high gear on these hills. Now, If I could get the turbo engine out of a 2038r.... I'd be running flat out!
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    Quote Originally Posted by gygomba View Post
    I'm curious at what speed cut quality decreases. I always run my mid PTO at 2100 RPM (I.E. Max engine RPM) in high gear at a speed as fast as I can travel without the tractor getting thrown around too much by my not-so-smooth yard.

    I know it seems to cut fine when the PTO rpm bogs down to 1850 when driving up a hill... I try to go a little slower then.
    Quote Originally Posted by gygomba View Post
    I've only got one flat spot, which will soon be a deck. Low gear is just too slow! I don't have my foot planted in high gear on these hills. Now, If I could get the turbo engine out of a 2038r.... I'd be running flat out!
    Why would you do that to your tractor

    Don't take any offense to this, but things like this are exactly why I have always been cautious about buying used.
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    Pat
    #compactfarming
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    60D Auto Connect w/mulch kit and Gator G6 blades
    County Line- 48" Tiller & middle buster
    Frontier- BB5048L & DH1066 & RC2060
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