GASOLINE: THE NEW
California ag equipment specialists positioning gasoline-powered machines as a lower-cost option to Tier 4 final;
“whole new breed” of engines
BY CHAD ELMORE
Over the last few years, a growing number of equip- ment manufacturers have
considered using gasoline engines
in their new machines instead of
diesels. It’s a solution that has been
driven — at least in part — by the
cost and complexities involved with
integrating Tier 4 final diesel engines
into certain types of machines.
This trend has been most evident
with manufacturers of equipment with
engines under 40 hp. In that category,
a number of OEMs have opted to
apply the new generations of industrial V-twin air-cooled gasoline engines
(see January 2013 Diesel Progress).
Yet it’s not only compact equipment
manufacturers who are beginning to
see gasoline as a new alternative fuel.
Recently, Air-O-Fan Products Corp.,
the Reedley, Calif.-based manufacturer of orchard and vineyard sprayers, introduced its gasoline-fueled
G-40R orchard sprayer. The 500 gal.
sprayer is a cylindrical trailer-mounted
unit that’s 20. 6 ft. long. As it’s pulled
between the trees, a dedicated engine
drives a heavy-gauge steel axial flow
fan that propels an air and liquid mixture out of the rear of the sprayer at
around 140 mph.
The G-40R sprayer is powered by a
6. 9 L Ford Power Products WSG1068
V10 gasoline engine rated 160 hp
with 360 lb.ft. of torque at 2200 rpm.
The engine has a bore and stroke of
90. 2 x 105. 8 mm and a compression
ratio of 9: 1. Ford Power Products
engines are distributed by Engine
Distributors Inc. (EDI), based in
In the G-40R sprayer, the engine is
mated to a Twin Disc PTO clutch that
The new Air-O-Fan G-40R orchard sprayer propels air and liquids out of the rear-mounted
fan at up to 140 mph. Inside the front of the sprayer, a Ford V10 gasoline engine is mated
to a Twin Disc clutch, while a Danfoss DP200 Series digital monitor on the opposite side
keeps the lines of communication open.
engages the axial fan system. The
overall layout of the Air-O-Fan spray-
ers have changed little from the first
“air blast” orchard units that were intro-
duced in 1945. Those earliest units had
a 500 gal. tank that was sandwiched