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DB 460 REV. 00 02/01/2015
2
TECHNICAL FEATURES
STEERING
Assisted by means of load-sensing power steering with double displacement on 4 steering wheels; steering
selection device for: 2 steering wheels, 4 steering wheels - crab steering.
EQUIPMENT HYDRAULIC SYSTEM
Gear pump
Max. fl ow rate: ............................................................................................................................... 45 litres/min.
Maximum pressure: ............................................................................................................................... 180 bar
5-element distributor servo-controlled with multi-function joystick.
Chute lever distributor.
Aluminium heat exchanger for hydraulic oil cooling.
Pressurised closed-circuit intake with oil fi lter replaceable from the outside.
MIXING AND UNLOADING
Double-cone drum with double-spiral mixing screws and convex bottom.
Geometrical drum volume: ............................................................................................................... 5,050 litres
Drum rotation speed: ............................................................................................................................. 24 rpm.
Class S1 concrete produced as : ..........................................................................................................4.0 cu m
Counterframe mounted on “heavy-duty” ball fi fth wheel, with 245° hydraulic rotation and automatic locking by
means of negative brake.
Drum rotation by means of a piston pump with variable fl ow rate and an orbital hydraulic motor in closed circuit
with infi nitesimal electrical control positioned in the cabin and at the rear of the machine.
Drum raising up to the horizontal position by means of 2 double-acting jacks.
Unloading chute with hydraulic tilting by means of a double-acting jack and 180° rotation, independent from the
mixing drum inclination. Removable chute, for direct unloading from hopper.
2 unloading chute extensions provided as standard equipment.
WATER SYSTEM
“Self-priming” volumetric water pump with quick-suction.
Max. capacity: .............................................................................................................................. 250 litres/min.
Maximum head: ......................................................................................................................................... 4 bar
Two connected tanks positioned opposite each other made of polyethylene with a total capacity of ..870 litres.
Mix Control system for programmable and controlled management of water feeding to the drum and of mixing
and unloading from the ground panel. Water feeding to the drum controlled by means of electromagnetic fl ow
meter and fed litre reading on both the cabin display and at the rear of the vehicle.
Water pump activation from the driver’s seat and from the ground panel. Suction selection from the ground
with quick-coupling pipes
LOADER
Loading arms with self-compensated kinematic mechanism, double-acting loader lifting and return cylinders,
electro-hydraulically controlled hatch with standard Tip-Off function.
Volumetric capacity: ............................................................................................................................ 560 litres
Number of loaderfuls per load: ....................................................................................................... around 9 /10
Summary of Contents for DB 460
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Page 48: ...48 3 SAFETY PRECAUTIONS id DB 460 REV 00 02 01 2015 VEHICLE EXTERIOR ...
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Page 166: ...166 TECHNICAL ANNEXES DB 460 REV 00 02 01 2015 id HYDRAULIC DIAGRAM ...
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Page 252: ... 2012 Perkins Engines Company Limited All Rights Reserved ...