WOT on diesel tractors

[SPYDERLK]

If your pumps have lots of wear you may have to run the higher rpms' to get good response. I can hit relief at idle on my fel regardless of how long or how hot the day is. Most of my fel work whether pushing into a pile or simple blading is performed between 1500 and 1800 rpm, if I run faster than that the fel simply moves too fast. Pops the front wheel up in the air and so forth, puts undue stress on the fel and tractor in general. I am not new to fels or backhoes either and my tractor (110tlb) performs like new still after 8 years of use.

Something not mentioned so far is that it is a very good idea to watch the temperature guages for the engine and transmission closely. If the temperature rises too high you may wan't to rethink how you are working your tractor.

I thot that too until I put a pressure gage on it.
larry

 

[buickanddeere]

My tractor accounts for about 70 percent of my income. I'm supporting a family of eight at the present time, including inlaws...FWIW. My tractor has never seen full throttle. Same goes for the mini-excavator and CTL for that matter...unless the CTL is running a mulcher, which needs the hyd flow.

If you need to run your tractor at WOT, you need a bigger tractor!

. Can't see your rational about WOT . Has your tractor ever been loaded enough that rpms drop?

 

[jenkinsph]

I thot that too until I put a pressure gage on it.
larry

I have put a guage on mine and it is set for 2850 psi. I could turn it up but that works well enough for me.

 

[SPYDERLK]

Thats about where mine is set ~ 2900. Stops at about 27-2800 at 750rpm when hot .

 

[rwork]

After reading this thread, I paid particular attention to my rpms, as I worked today. Moving around my property, I run at about 1500 rpm. I did some grapple work today, and I noticed anything over 2000 made the loader/grapple operation a bit too quick for my likeing. I generally run between 1500-1800. Seems I have plenty of power to do just about everything I need in that range. Actually my machine has only been up to pto speed a couple times, as I don't run a bush hog on this tractor.

 

[Gale Hawkins]

I run the 265 MF WOT so it will hit 1700 RPM/540 PTO. My youngest BIL was about 13 when the FIL bought it new.

Several times I have though about adjusting the linkage to get MAX RPM but I have not found a good reason to do so. 98.7% of the time it is bush hogging and I never have to look at the tach now.

The JD backhoe is not limited as such but even on the road I keep it at 2200 or less. Working it is more like 1500 since it works just as fast with just as much power in most conditions.

 

[TomSeller]

Tom,
Sounds like you live in a gated community for sure.

Well there are a lot of gates between all the pastures. The fences need a lot of work, however. We joke that our cows are on the honor system.

 

[jenkinsph]

Tom,
My dad used to say the best way to keep cows in the fence is to have something for them to eat.

 

[Scooby074]

I think alot of guys on here have to understand that there are at least 2 distinct subsets of tractor owners on here.

Some (a small percentage) are operators in real life and/or owners who see their tractors as tools. Those guys typically run their equipment at higher output and expect more production out of their equipment.

The larger percentage are "yuppies", "estate owners", retired, or professionals etc. and as such treat their tractors as an "investment" to be babied. Theyre not concerned with production in any real way. They typically run their machines less strenuously at lower output. Time doesnt matter

For a guy coming from a production environment, running at less than full power and speed is a waste of time. Of course there are times when dialing down the speed is a good thing, like fine control, or slowing down an implement.

Larger machines, excavators, loaders for example, have several operational modes selectable from the cab. Modes like max lift, max efficiency, max speed, max control, auto idle etc etc. Engine output and rpm and pump flow are electronically adjusted to specific settings to match each specific mode, sort of like advanced eHydro. Not something you see on our relatively "cheap" tractors. It kinda puts a bit of a different spin on what rpm to operate at, however for other than auto idle, the engines generally run in the upper end of their RPM spectrum.

 

[FatSlob]

I think alot of guys on here have to understand that there are at least 2 distinct subsets of tractor owners on here.

Some (a small percentage) are operators in real life and/or owners who see their tractors as tools. Those guys typically run their equipment at higher output and expect more production out of their equipment.

The larger percentage are "yuppies", "estate owners", retired, or professionals etc. and as such treat their tractors as an "investment" to be babied. Theyre not concerned with production in any real way. They typically run their machines less strenuously at lower output. Time doesnt matter

For a guy coming from a production environment, running at less than full power and speed is a waste of time. Of course there are times when dialing down the speed is a good thing, like fine control, or slowing down an implement.

Larger machines, excavators, loaders for example, have several operational modes selectable from the cab. Modes like max lift, max efficiency, max speed, max control, auto idle etc etc. Engine output and rpm and pump flow are electronically adjusted to specific settings to match each specific mode, sort of like advanced eHydro. Not something you see on our relatively "cheap" tractors. It kinda puts a bit of a different spin on what rpm to operate at, however for other than auto idle, the engines generally run in the upper end of their RPM spectrum.

I guess this basically sums it up. There are just 2 different types of owners on here as you mentioned and that's the bottom line