“Incredible performance.”
That’s the sentiments expressed concerning Macon-Bibb
County’s new emergency support vehicle. The Hackney
DF0773 body is mounted on a Freightliner M2 four-door
cab with seating for five firefighters. A 330-hp engine
coupled with a 6-man Allison transmission provides
more than enough power and acceleration, especially
when maneuvering heavy traffic on and around Interstates
16 and 75. The short wheelbase enhances the maneuverability
on tight rural roads and inside dense subdivisions.
The truck features Hackney
V-MUX multiplexed electrical system with full color
control console. The Vista display panel not only
controls functions of the truck but provides color
graphics of door ajar and tower up warnings and displays
fluid levels, serial numbers, warranty information
and much more.
A
40kw, 3-phase, 150-amp PTO generator is mounted inside
the left front compartment, protected from corrosive
elements associated with road spray. The generator
power a Command Light with six 900-watt MagnaFire
lamps, two 750-watt removable tripod flood lights,
multiple power outlets, and the 20-hp compressor motor.
The utilization of Hackney’s drop/pinch frame
increases the available storage capacity of the body,
valuable considering the importance of minimizing
the overall wheelbase and improving handling.
The
breathing air compressor is a Scott 26.5 cfm using
an Ingersoll cast-iron block assembly. The unique
feature of the Ingersoll block is that it operates
at a mere 1000 rpm’s, which produces a much quieter
working environment as opposed to much higher rpm’s
associated with rotary aluminum blocks. It also runs
incredibly cool in the highest ambient temperatures
and extreme humidity levels prevalent in central Georgia.
Four 6000 psi ASME storage vessels are mounted opposite
the compressor installation. Air flow is uninterrupted
through the compartment insuring maximum performance.
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