Need help selecting the best Zero Turn Mower?

Our goal at Ferris Commercial Lawn Mowers is to help you and your landscaping company make the most of your time and money. Check out this mowing productivity chart below to determine just how quickly you can get the grass cut.

For more help, look to our Lawn Mower Buying Guide for a breakdown of how horsepower and mower deck size come together to provide you with the perfect amount of lawn mowing muscle!

ACRES PER HOUR PRODUCTIVITY

GROUND SPEED 36" DECK 48" DECK  52" DECK  61" DECK  72" DECK 
(MPH) 80% 100% 80% 100% 80% 100% 80% 100% 80% 100%
4 1.20 1.60 1.60 2.13 1.73 2.31 2.03 2.71 2.40 3.20
4.5 1.35 1.80 1.80 2.40 1.95 2.60 2.29 3.05 2.70 3.60
5 1.50 2.00 2.00 2.67 2.17 2.89 2.54 3.39 3.00 4.00
5.5     2.20 2.93 2.38 3.18 2.80 3.73 3.30 4.40
6     2.40 3.20 2.60 3.47 3.05 4.07 3.60 4.80
6.5     2.60 3.47 2.82 3.76 3.30 4.41 3.90 5.20
7     2.80 3.39 3.03 3.68 3.56 4.31 4.20 5.09
7.5     3.00 3.64 3.25 3.94 3.81 4.62 4.50 5.45
8     3.20 3.88 3.47 4.02 4.07 4.93 4.80 5.82
8.5     3.40 4.12 3.68 4.47 4.32 5.24 5.10 6.18
9     3.60 4.36 3.90 4.73 4.58 5.55 5.40 6.55
9.5     3.80 4.61 4.12 4.99 4.83 5.85 5.70 6.91
10         4.33 5.25 5.08 6.16 6.00 7.27
10.5             5.34 6.47 6.30 7.64
11             5.59 6.78 6.60 8.00
11.5             5.85 7.09 6.90 8.36
12             6.10 7.39 7.20 8.73

FORMULA USED: 
80% EFFICIENCY = (MPH*WIDTH OF CUT IN INCHES) / 120 
100% EFFICIENCY = (MPH*WIDTH OF CUT IN INCHES) / 90