81 Acre mowing help

[JUMBO31]

I am trying to bid a 81 acre mowing job. This is my first time to give a price on something this big. Can anyone here give me some help with this. It is easy mowing with about 3' deep grass. I normally charge 55-95 dollars per acre, but with this large job I'm not sure where to start. Any help with be helpful!!

[lawn king]

Need more information, what size tractor, grooming,flail or rotary cutter, what size mower,etc.

[JUMBO31]

90 horse with 15' mower. Will be just rough cut.

[alanauer]

Still more info would help.

What kind of 15' mower? How wide is each section, and how level is the ground?

A one-time or a recurring job? If recurring, do they want subsequent cuts from 12" down to 6", or from 3' down to 3"?

[lawn king]

Start with how many acres you can cut per hour, figure out how much diesel you will burn then figure $50. per hour + fuel and see where you stand. Thats on the cheap side for the northeast, but it will give you a start.

[ajslands]

What is like a toro ground master your using or is it a pull behind
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[hvy 1ton]

It costs me somewhere between $75-80(paying myself $18/hr) to run my tractor and 15' brush hog. I can get anywhere from 6-10 ac/hr. As long as the field is smooth enough to run 5.0-5.5mph, you should be able to make 8 ac/hr so Depending on how much you want to make on to of you labor wage anywhere north of $750 would be good.

Good formula for acres per hour: Speed(MPH)*Width(FT)/8.25*Field Efficiency
Depending on field shape, brush hogging can be anywhere from 80-95%