John Deere 8R Series tractors can now be configured
to continually monitor and adjust tyre pressures
by push button.
This is done using a new fully-integrated central
tyre inflation (CTIF) system.
Available ex-factory on 8Rs fitted with independent
link suspension, this in-house manufactured
system uses an on-board compressor. This means that
tyres can be deflated to increase their footprint by
nearly 25%, while a reduction of up to 3psi in ground
pressure results in 2-4% less wheel slip.
Other benefits of lower in-paddock tyre pressures
include reduced compaction and fuel consumption as
well as increased pulling performance.
Configured with large diameter fabric air lines for
rapid inflation and deflation times, the internal pressure
of a 710/75R42 and 650/60R34 combination can
be increased from 0.8 to 1.8 bar in under six and a
half minutes for road travel.
This offers improved driving behaviour, reduced
rolling resistance and less tyre wear. Once back in the
paddock, it only takes around four minutes to revert
to the lower pressure settings.
An external compressed air connection makes it
possible to connect an air gun for cleaning purposes
or powering air tools.