TM 5-3810-307-24-1-1
GENERAL DESCRIPTION
DESCRIPTION
This Manual provides information for the
rotation in either direction. All crane functions are
maintenance personnel of the AT422T Grove All-
controlled from the fully-enclosed cab mounted on the
Terrain Crane (ATEC).
superstructure. On-site travel can also be accom-
plished using driving controls located in the super-
The lift capacities are listed on the Load Chart in the
structure cab. The crane is equipped with a three-
cab.
section, trapezoidal, cable synchronized boom.
Lifting is provided by a main hoist and an auxiliary
The all terrain crane incorporates an all welded steel
hoist.
frame, using planetary drive axles to provide select-
able four-wheel drive. Axle steering is accomplished
The crane is also capable of supporting and
utilizing hydraulic steer cylinders. The engine is
operating a clamshell bucket, a pile driver, a concrete
mounted at the front of the crane and provides motive
bucket, and a grapple. Special hardware adapters
power through a six speed transmission. Hydraulic,
and hydraulic quick disconnects have been provided
double box, sliding beam outriggers are integral with
for attaching these components.
the carrier frame.
NOTE
The carrier frame incorporates oscillation lockout
cylinders to which the axles are mounted. Axle
Throughout this manual, reference is made
oscillation is provided through the front and rear axle
to left, right, front, and rear when describing
suspension cylinders.
locations. These reference locations are to
be considered as those viewed from the
The superstructure is capable of continuous 360
carrier cab operator seat with the
degree
superstructure facing forward over the front
of the carrier frame.
LIST OF SPECIFICATIONS
GENERAL.
Model. . . . . . .
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. . . . . . . . . . . . . . . . . . . . . . . . AT422T
Rated Capacity.
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. . . . . . . . . . See Load Chart, Appendix E
Drive . . . . . . .
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Gross Weight . .
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See Lifting and Transportation decal located
on the side of the right-front deck
DIMENSIONS.
NOTE
Dimensions listed are with all components fully retracted.
Overall Crane Length. . . . . . . . . . . . .
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396.00 in. (1005.84 cm)
Overall Crane Width . . . . . . . . . . . . .
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. . 96.00 in. (243.8 cm)
Overall Crane Height . . . . . . . . . . . . .
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126.00 in. (320.04 cm)
Track Width . . . . . . . . . . . . . . . . . . . . .
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. . . 78.38 in. (199.1 cm)
Turning Radius (2 Wheel Steering) . . . . . .
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. . . . 331 in. (840.7 cm)
Turning Radius (4 Wheel Steering) . . . . . .
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. . . . 198 in. (509.9 cm)
Wheel Base . . . . . . . . . . . . . . . . . . . . .
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. . . 121.0 in. (307.3 cm)
Centerline of Rotation . . . . . . . . . . . . . .
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. . . 40.0 in. (101.6 cm)
1-1-3 C-1
