The ST-50 is the first of its kind - a utility vehicle based on ASV’s legendary suspended rubber track
undercarriage. It has the mobility to carry personnel and equipment where other utility vehicles cannot
reach. Very low ground pressure and high flotation enables it to travel over slippery, soft or sensitive
surfaces without causing damage.
The ST-50’s patented undercarriage includes twenty-four rubber idler wheels that spread the machine’s
weight over the full width and length of its rubber tracks. Suspension lets the undercarriage flex over
rough or irregular surfaces to maximize ground contact. The result is exceptional traction and flotation
that allows travel in wet or soft ground conditions. With less ground pressure under its tracks than a
person on foot, the ST-50 can work on lawns, landscaping and over root systems without causing costly
damage.
The ST-50 is powered by a reliable 2.2 liter, 4-cylinder Perkins diesel engine and a timeproven hydrostatic
powertrain that includes direct drive motors and unique roller sprockets. The sprockets mesh with the
track’s built-in rubber drive lugs for smooth and responsive transfer of power to the tracks. A large fuel
tank lets the ST-50 travel long distances between refills.
Operating the ST-50 is simple and comfortable from inside the protective ROPS canopy. Optional accessories
include a cab, heater, windshield with wiper and a roof assembly that lets you customize the ST-50 to your
climate and personal needs.
Unlike many other track-driven vehicles, the ST-50 uses a steering wheel for low-effort and precise control
of machine direction. A unique Quick-ShiftTM pedal gives you fast, accurate control of the machine’s
forward/reverse hydrostatic drive system. Braking is hydrostatic and automatic.
When equipped with the optional auxiliary hydraulic system, the ST-50 includes a console-mounted joystick
that gives you precise control of options like the dump box and snow blade. A switch also lets you select
a continuous mode for full-time auxiliary power to other attachments. Quick-connect hydraulic fittings are
at the front and behind the operator station for power to either frontmounted or deck-mounted attachments.
The ST-50’s rear deck is designed to haul whatever you need, including an optional hydraulic dump box or a
4-person personnel carrier. The deck can accommodate a large amount of heavy cargo and a wide range of
attachments from other manufacturers.
Standard tracks on the ST-50 are general purpose tracks that feature moderate treads for use in the widest
range of ground conditions and applications. For applications that call for extreme care and protection of
fragile surfaces, consider the optional smooth Turf Tracks. For applications where the ground is soft, wet
or swampy, consider the wider Extreme Terrain Tracks with deep tread lugs for extra gripping power.
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