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60" vs 72"

Discussion in 'Lawn Mowing' started by Fresh-popcorn, Apr 28, 2010.

  1. Fresh-popcorn

    Fresh-popcorn LawnSite Member
    Messages: 44

    Howdy all.

    I am looking into getting a new ZTR pretty soon which I am planning on using for my personal property but am currently at a crossroad on what size.

    I have 10 acres (~7 that is actually able to cut) and another 2.5 acres that is a 15 minute drive away.
    This is not for commercial use but time is crucial to me since I work 6 days a week and I would rather spend my day off enjoying life with the kids rather than mowing all day. Dont get me wrong, I love sitting on a mower which gives me enjoyment but the kids come first.

    The mower I finally choose is the John Deere Z950A with the 72" Deck or 60".
    is it worth getting the 72"? will it cut my mowing time down enough to justify the larger size. I also have a 6x10' trailer with gate and doing the measurements led me to believe that the mower would not fit on the trailer I have currently. I would like to transport it to my other property every other weekend.

    I currently have a Toro Proline 62 which cuts great but it took way to much time to cut just 5 acres of my grass. I have a sulky for it which I would not use without it. I also have a older Dixie Chopper 62" but am currently having problems with it staying running and it bogs pretty badly when going up my slopped yard.
    Most likely I will just sell all my mowers for just one that I can hopefully rely on for the rest of my life.
  2. mowerbrad

    mowerbrad LawnSite Fanatic
    Messages: 6,268

    If it mostly flat land then the 72" deck will "shine". If its uneven or with hills, then the 60" will probably stand out just because it won't scalp as much. At 7mph a 60" mower can mow 3.40 acres per hour, while at that same speed a 72" mower can mow 4.08 acres per hour.

    Here's exmark's productivity chart, that will help you see the difference in the amount of grass a mower can mow.... http://www.exmark.com/productivity.htm
  3. rjh4758

    rjh4758 LawnSite Member
    Messages: 220

    Just remember it will take more HP to run that 72 at the same speed as the 60 and get the same cut in high or thick grass. Like mowerbrad said is it is flat and wide open then the 72 is the ticket, if uneven or lots of obstacles the 60 is.
  4. zanodave

    zanodave LawnSite Member
    Messages: 6

    I am in a similar situation, only i am leaning towards HUSTLER super z 66 with a 31 hp kawasaki
  5. drumz2129

    drumz2129 LawnSite Member
    Messages: 55

    I think the trailer will be your deciding factor. I just picked up a eXmark lazer z 72" and my trailer is a 12x6.5. It measures 77" wide at the deck and the mower had about 1.5" per side with the discharge chute flipped up. My property has slightly hilly but I do not notice any scalping, it all depends on how you approach the hill. The 72" rear mount finish mower I replaced was horrible about scalping. As far as power, mine is powered by a 31HP Briggs Vanguard and it powers through the bahia just fine.
  6. Fresh-popcorn

    Fresh-popcorn LawnSite Member
    Messages: 44

    Thanks for the replies.
    I looked at some trailers and noticed some 6.5' ones for a decent price on CL.
    Now to decide...
  7. Rivervalleylawns

    Rivervalleylawns LawnSite Member
    Messages: 146

    You have 10 acres of land and 2 seperate properties so you must have some smarts in you. Btw I'm saying all this with very much respect. Let's figure your 10 acres are a perfect square. One deck is 5 feet, one is six. 10 acres let's figure the dimensions are give or take 450 x 1000.Figure your mowing the 1000 feet acroSs. 450/5 = 90 + 10% for overlap = 99 passes to mow your lot with the 60''. 450/6 = 75 + 10 % overlap = 83 passes. Figure your time to make the 1000' pass and bam.

    Totally made up numbers but, the one 1000' pass takes you 5 min to make.
    5' deck= 495 min
    6' deck= 415 min
    Posted via Mobile Device
  8. DLCS

    DLCS LawnSite Platinum Member
    Messages: 4,385

    Coming from expirience, as I own both 72" and 60" mowers. I would tell you to get the 72", that extra foot makes alot of difference in both time and trimability. With some practice you can make a 72" mow uneven props with no scalping. The 7 iron pro deck 72" , is alot harder to get it to scalp, due to roller placement.
  9. Fresh-popcorn

    Fresh-popcorn LawnSite Member
    Messages: 44

    Yes I have smarts but experience can not be taught so as a smart person I would seek advice from experienced people in the business before I hand over my hard earned money and not regret my purchase. :)

    Yes I know from doing the math that a 72" will be faster in a ideal world but if the 72" will cause me more grief/time in loading, maneuverability, & other factors I am unaware of then it wouldn't be worth it to me.

    Most of my land is on a slope but its a very long slope. 200' of slope to be exact so I believe it could handle the 72" without scalping. Only one part of the property is very steep but going up and down shouldnt be an issue.
  10. JB1

    JB1 LawnSite Fanatic
    Messages: 5,904

    how did you come up with the name Fresh-Popcorn.

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