DRIVETRAIN
Aiming For More
Efficiency In CVTs
The Hilliard Corp. has launched a new
continuously variable transmission
(CVT) for use in ride-on power trowels
and other applications requiring a CVT.
Shown here are the CVT’s primary and
secondary clutches.
The Hilliard Corp. has launched a continuously variable trans- mission (CVT) that it said was
designed to be a more efficient drive
system. The new CVT will be show-
cased at ConExpo-Con/Agg 2011.
The new CVT is engineered to
fit a standard drive (primary) clutch
and driven (secondary) clutch envelope, reducing the number and cost
of modifications necessary for new
vehicles and those already operating
in the field.
Hilliard developed the CVT with belt
protection at start-up and during over-
load situations to extend the overall
life of the belt. A one-way overrunning
clutch incorporated into the primary
clutch assembly provides more con-
sistent and reliable engine braking,
Hilliard said. The clutch is designed
to maintain consistent torque even
with extreme temperature variations,
and its heavy-duty design allows it
to handle torque spikes from engine
backfires, the company said.
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