Mahindra 2015 v 2615

   / Mahindra 2015 v 2615 #1  

Santiago

New member
Joined
Sep 18, 2004
Messages
5
Location
Northern CA
I'm trying to decide between a 2015 and a 2615. Which is more bang for the buck? I see lots of 2015s out there but not too many 2615s.
 
   / Mahindra 2015 v 2615 #2  
More details. How do you plan to use? How much land?
 
   / Mahindra 2015 v 2615 #3  
From what I've seen, the 2615 offers a lot more bang for the buck. In the gear versions, the 2615 has a continuous live PTO, which the 2015 doesn't. It has more power and weight, for more traction. The one thing the 2015 has to its advantage (for me) is that it is more compact, that and the lower weight would be plus factors for mowing. I think the 2615 can run a 72 inch mower, which I don't believe the 2015 can do, at least not optimally. The 2615 also can handle a wider range of PTO implements, if the minimum pto horsepower recommended on them is for real.

In the Hydro versions, the 2615 offers a serious increase in PTO horsepower.

For my own purposes, I've decided on the 2615 gear, if I go with Mahindra, though Deere and Kubota still are in the running. I think these dealers are going to get very tired of seeing me next spring when I will really go to work on the decision, which I have put off for yet another winter LOL.
 
   / Mahindra 2015 v 2615 #4  
For what it is worth, I would never consider running a 72" mower deck on a 26hp tractor. Nor would I consider running a 60" mower deck on a 20hp tractor. Depending on your grass, the general rules of thumb that get bantered about are that you want between 3 & 5 PTO hp per 12" of mower deck. I say that depends on your grass because in arrid desert conditions grass is pretty sparce, in the midwest grass can get really thick and lush so if you are on the thick side, you need more PTO hp per foot of mower deck. So, for a 60" deck you would need at least 15 PTO hp and up to 25 PTO hp, while on a 72" finish mower you'd be looking for 18 PTO hp up to 30 PTO hp. I think realistically, something about 18 to 19 PTO hp is going to be adequate for a 60" deck in MOST conditions, and something in the area of 23/24 PTO hp is going to be adequate for a 72" deck. Bogging down a diesel engine is much harder on the engine than running it for long periods at full speed. I dismiss the lower range as not powerful enough in even semi-lush conditions. So for me, I want adequate power to run my implements without bogging down the engine and causing damage and premature death of the power plant.

I would much rather error on the consevative side than replace a tractor years before it is due. I think people often buy tillers that are too large for their machines, but realistically you use a tiller for a couple hours a year and you use a mower deck a couple hours a week, so the potential for bogging down the engine with a mower deck is much greater than with some other implements.
 
   / Mahindra 2015 v 2615 #5  
<font color="blue"> So, for a 60" deck you would need at least 15 PTO hp and up to 25 PTO hp, while on a 72" finish mower you'd be looking for 18 PTO hp up to 30 PTO hp. </font>
Well then a 60" mower on a 2015 should be ok being it has 16 pto hp and a 2615 with a 72" at 21.1 hp both in HST.
- The 2015 will handle a 60" without any issues, i have used it on tall thick grass with no bogging.
- As far as dollar for dollar, you cant campare the 2015 to the 2615 as they are different size chasis. if you need a smaller tractor the 2015 is the way to go. If a little larger( wider, heaveir, more lift capacity) is needed the 2615 is a nice tractor, as well is the 3015 also, which is about the same size as the 2615.
- Good luck with your purchase, either is a great choice.
 
   / Mahindra 2015 v 2615 #6  
Again, the numbers I threw out there are numbers that have been repeated on this site, but I have yet to find a manufacturer that advocates 3 hp per 12" of deck.

Most of the major tractor manufacturers are recommending nothing larger than a 60" deck for a tractor with 18 to 19 PTO hp. And they are recommending 72" decks on tractor that have roughly 25 PTO hp. Perhaps they are being too cautious, but PERSONALLY I'd rather not subject my tractors to loads like that on a regular basis. Maybe I'm just a wimp about it, but I'm not willing to exceed the manufacturers recommendations for implement sizes. Again, that is just my opinion.
 
   / Mahindra 2015 v 2615
  • Thread Starter
#7  
Charlie, I have a lot of road to keep up and some heavy gravel hauling and may want to add a bush hog for cutting range grass/weeds. Some leveling to do in medium rocky soil. Won't need a mower deck. Will want an FEL and either a box/blade or blade--can't decide which.
 
   / Mahindra 2015 v 2615 #8  
My 2615HST was delivered yesterday with FEL and industrial tires. Cost $14,400 before taxes. Did some bush hogging this morning with a 5 footer from KK. Some of the stuff was over 5ft tall, tractor never missed a beat. Also, moved some rocks in the 500-600 lb range - no problem. Previous tractor 8N.
 
   / Mahindra 2015 v 2615 #9  
Bob, I have heard the same 5hp per ft rule of thumb. I have always heard it applied to hogs. Finish mowers can usually be a foot larger. Further, with HST, the operator can keep the optimum speed to just not bog the motor.

Look at it this way, lets say we are talking about a 20hp @ pto tractor with HST. In one cofiguration it has a 4ft finish mower. Going thru a particular type of grass the max speed before bogging is 10ft/sec. The work the machine will do is 40sq ft/sec. Now you take the same tractor and put a 8ft finish mower on it. It will now only go 5ft/sec for 40sq ft/sec. In short, the measure of work that a tractor can perform is defined by the 20hp. The measure of work done by the tractor is the sq footage cut in a period of time. Sence the hp of the tractor doesn't change with cutter width, neither will the sq footage it will cut.

This only works for a hst tractor. I had a Ford 8N. I believe it was rated at 25hp at the pto. I currently have a 2615 rated at 21hp. With a 6ft finish mower on each, the 2615 does the same job (mow my near 7 acres) in 30-50% less time. The gear tractor can not be kept just short of bogging. The hst can easily.
 
   / Mahindra 2015 v 2615 #10  
Charlie, to some extent I will agree with you and what you wrote. HST is really the ticket for mowing quickly compared to gear, and you can keep the tractor from bogging down by slowing down.

HOWEVER, the one place I will depart is that we all have our own turf conditions, and that said, someone with thick turf may end up driving so slow in areas that they could actually mow faster with a smaller (more correctly sized) mower deck. The square footage arguement you state makes some sense, but a smaller sized deck will have less initial blade tip contact and therefore will be able to run faster through more of the lawn (or all of the lawn) and while the width may be narrower, the net effect may actually be less overall cutting time, and far more importantly virutally nill possibility of bogging down the engine and causing engine damage. Further, a properly sized deck will require less basic hp to run becuase it is running slightly less mass and the tractor is hauling less mass as well, so more useable hp is available to the blade tips of the properly sized deck which allows the tip speed to be kept up to optimal speed with less load on the engine.

I have areas of my property where the lawn is reclaimed pasture, the soil is clay and even when it gets tall, it never gets thick. No chance of bogging my tractors down on that area. I have other areas where the grass is very thick, lush and mixed with clover, I bog down my 60" deck (19pto hp) if I let it get too long (about 6 or 7").

Properly sizing ANY implement is important to the longevity of the engine. Using your arguement, which again I agree with IN THEORY but not in practice, I could easily hook up a 10' Bat Wing mower deck and simply run the tractor in creeper speed. I can't say that would be a practical thing to do.
 

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