A 29. 5 in. WindMaster Revolution fan installed on a Cummins ISX engine in a heavy-duty
truck. The fan is available in two versions, a 21. 6 in. nylon unit that targets off-highway
equipment and medium-duty trucks and a 29. 5 in. welded aluminum fan targeting heavy-duty trucks and larger off-highway equipment.
off-highway markets thanks to more
restrictive regulations being phased in
overseas, is a particular hallmark of
the Revolution design, Shawaluk said.
“It’s very quiet and has excellent sound
quality,” he said.
“We did a retrofit for a Class 8 truck
last year where we took out an axial
fan and put in the Revolution. It was
in our parking lot and we put another
standard truck nose-to-nose about 30
ft. apart and ran them up to 2100 rpm.
The fans were fully on.
“If you went in front of the standard
truck and tried to have a conversation
— forget it. You couldn’t hear anything
but the fan howling. On the other truck,
all you could hear was the air getting
sucked into the heat exchanger, that’s
it. We showed that to the truck manu-
facturer and his reaction was, ‘Wow,
that can help me sell trucks!’
“We’ve also been seeing some
OEM truck manufacturers going with
remote-mounted auxiliary coolers.
We’re saying you don’t need to do
that, stack them in front and use this
fan. Then you don’t need to worry
about remote-mounted coolers and
adding hydraulic motors or electric
motors, which can get expensive.”
The same concept, Shawaluk said,
applies to off-highway machinery,
which often use remote-mounted cool-
ers packaged with hydraulic or electric
fans. “We see a lot of the same advan-
tages,” he said. “You’re going to get the
same efficiency benefit, the pumps and
motors could be sized a little smaller,
the heat exchanger package could be
smaller and the weight and the total
cost could also be lower.
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