This manual should be stored in the operator's
compartment. Store the manual in the pamphlet bag,
which is provided as a Basic Issue Item (BII), or in the
literature storage area on the back side of the
This manual contains safety, operation, transportation,
lubrication, and maintenance information suitable for
the Army operator.
Guards and covers may have been removed for
illustrative purposes. Read, study and keep this
manual with the machine.
Whenever a question arises regarding your machine,
or this publication, please consult U.S. Army Tank-
Automotive and Armaments Command (TACOM), your
Caterpillar dealer, or Caterpillar Defense and Federal
Products for the latest available information.
The Safety section lists basic safety precautions. In
addition, this section identifies the text and locations
of the warning signs and labels used on the machine.
Read and understand the basic precautions listed in
the Safety section before operating or performing any
lubrication, maintenance or repair on this machine.
The Operation information is a reference for the new
operator and a refresher for the experienced one. This
section includes a discussion of gauges, switches,
machine controls, attachment controls, transportation,
and towing information.
Photographs and illustrations guide the operator
through the correct procedures for checking, starting,
operating and stopping the machine.
The maintenance information is a guide to equipment
care for Army operators. The illustrated, step-by-step
instructions are grouped by servicing intervals. Items
without specific intervals are listed under the When
Required topics. Items in the Maintenance Intervals
chart (refer to Maintenance Section, Maintenance
Intervals in this manual) are referenced to detailed
instructions that follow.
Maintenance Interval Schedule
Use the service hour meter to determine the servicing
intervals. Calendar intervals shown (daily, weekly,
monthly, etc.) can be used instead of the service hour
meter intervals, if they provide more convenient
servicing schedules and approximate the indicated
service hour meter reading. Recommended service
should always be performed at the interval that occurs
Under extremely severe, dusty or wet operating
conditions, more frequent lubrication than is specified
in the Maintenance Intervals chart might be necessary.
Perform service on items at multiples of the original
requirement. For example, at Every 50 Service Hours
or Weekly, also service those items listed under Every
10 Service Hours or Daily.
The Deployable Universal Combat Earthmover
(DEUCE) is an earthmoving machine capable of
travelling between sites at high speed. The DEUCE is
equipped with a 3126 HEUI (Hydraulic Electronic Unit
Injector) engine that operates at two power levels, 197
kW (265 hp) and 138 kW (185 hp). The machine is
equipped with a power/angle/tilt (PAT) blade and a
winch. The suspension on the machine can be
activated for smooth operation at high speed, or
locked, for a stable base when dozing.
Proposition 65 Warning
Diesel engine exhaust, and some of its constituents,
are known to the state of California to cause cancer,
birth defects, and other reproductive harm.