CAT 345C L - Manual (Page 8)

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Undercarriage
Durable undercarriage absorbs stresses and provides excellent stability.
Travel Motors. Two-speed axial piston hydraulic
motors provide the 345C L drive power and speed
selection which is automatic when the high-speed
position is selected. This enables the machine to
automatically change between computer-controlled
high and low speeds depending on drawbar-pull
requirements.
Straight-line Travel Circuit. The straight-line travel
circuit is incorporated into the hydraulic system,
which maintains low-speed, straight-line travel,
even when operating the front linkage.
An optional straight travel pedal controls both
tracks simultaneously.
Final Drive. The final drives are a new compact
design with three-stage planetary reduction.
This design results in a complete drive/brake unit
that is compact and delivers excellent performance
and reliability.
Track Guards. The idler guard and bolt-on center
guard are standard equipment. They help maintain
track alignment while traveling or working on slopes.
For applications that require additional track protection
or alignment, optional guards are available.
Extreme Service Undercarriage. Attachment includes
next size larger track roller frame and moving under-
carriage components for increased stability and extra
rugged reliability in hard-rock and severe impact
conditions.
Fixed Gauge Undercarriage. Attachment provides
a stable, durable and low maintenance platform when
working on variety of sites.
Track. The 345C L comes
standard with the new grease
lubricated track called GLT4.
The track links are assembled
and sealed with grease to
decrease internal bushing wear,
reduce travel noise and extend
service life lowering operating
costs.