Milton-cat 307D User Manual download pdf (Page 5)

Work Tools

Cat work tools are matched to meet your application needs.

A wide range of work tools have been developed and integrated

into the machine design to maximize machine performance and

deliver excellent value through high productivity and long life.

Cat Work Tools include:

• Heavy Duty Buckets • Shear

• Heavy Duty Rock Buckets • Compactor

• Ditch Cleaning Buckets • Thumbs

• Hydraulic Hammers • Quick Couplers

• Auger

Couplers

To maximize performance, Caterpillar Pin-Grabber Quick

Couplers are compatible with all standard work tools, enabling

the operator to simply release one work tool and pick up another,

maximizing productivity. The couplers are available in hydraulic

and manual versions.

Auxiliary Hydraulics

The combined function high-pressure auxiliary lines and quick

connectors are ﬁ tted as standard. This auxiliary system includes a

diverter valve which provides optimum performance when using

a one-way ﬂ ow (hammer) or two-way ﬂ ow (auger and thumb)

work tool. This feature allows the machine to adapt to a wide

variety of applications without re-conﬁ guring the auxiliary lines.

Versatility is further enhanced with optional hydraulic lines enabling

the use of a hydraulic quick coupler. A secondary auxiliary supply

circuit for work tools utilizing a rotating or other medium-pressure

circuit is also available as an optional attachment.

Thumbs

Caterpillar offers three varieties of thumbs: Stiff Link, Hydraulic

and Progressive Link. The stiff link thumb incorporates the use of

a ﬁ xed link between the thumb and the stick, requiring bucket curl

to secure the load. The hydraulic thumb replaces the stiff link with

a cylinder that enables movement by both the thumb link and the

bucket to grab an object. A progressive link thumb works much

like a hydraulic thumb with more thumb rotation by incorporating

an additional link. This additional rotation provides a better working

range when securing material. The three varieties come with two

lengths, one compatible with a pin-on bucket and one compatible

with a pin-grabber coupler.

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Milton-cat 307D User Manual Page 5