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barraDK20
MAX 20 ton

dk100-page-005

Boom

Three elements, one fixed and two hydraulically extendable by a double-acting hydraulic cylinder and transmission.
The system allows the arm to be withdrawn synchronously. Lifting carried out by a double-acting cylinder that allows swinging from -5°C to +70°C.

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Lifting capacity 20 ton

Frame made of high-strength steel sheets bent and welded.
ARGAN: Grooved drum (threaded lebus) with anti-turn steel rope, hydraulic motor, planetary gearbox with disc brake and operation/safety valve, automatically activated.

CAB

CAB

Steel structure with large glass surfaces allowing maximum visibility. It houses all the controls for the crane’s travelling and working manoeuvres.
FRONT AXLE

FRONT AXLE

Front-wheel drive. No. 2 AC electric motors, power kW 8, 80 V each. No. 2 high-capacity planetary gearboxes. Electronic differential, twin tyres 355/50/20 cuschion anti-tracking type.
REAR AXLE

REAR AXLE

Oscillating and steering via hydraulic cylinder, wheel steering angle +96°/-83°. Single 315/70/15 cushion track wheels.
BRAKES

BRAKES

Dry disc service brake with hydraulic control and foot pedal acting on front and rear wheels with assisted service.
DISPLAY

DISPLAY

High-resolution monitor for displaying all automotive-related functions, load limiter, data logger, video cameras, with display of all information concerning machine management. Radio remote control for all functions with display.

Hydraulic System

Consists of propeller gear pump with torque control connected to AC 28 kW 80 V electric motor to power the boom extension and lifting movements, winch, steering, front stabilisers and auxiliary equipment.
Distributor with differentiated bobbins with electric proportional control. Electronic multifunction Joy Stick, “over centre” valves for boom lift, boom extension and winch cylinders. Pilot-operated block valves for cylinders stabilisers. Pump oil filter with electric clogging indicator. Hydraulic oil tank capacity 260 litres. Maximum operating pressure 280 bar.

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Electrical System

No. 2 battery modules of 40 V and 1085 Ah
No. 3 DC-AC inverters
No. 1 DC-DC 60° converter for 24 V power supply for auxiliary systems
No. 2 video cameras
24 V lighting system

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WEIGHTS
Base machine 17.620 Kg
Weight on the front axle (about) 7.460 Kg
Weight on the rear axle (about) 10.160 Kg
Weight machine complete 22.220 Kg

SIZE
Carrier length 4.205 mm
Height 2.108 mm
Width 1.980 mm
Wheelbase 2.900 mm

SAFETY DEVICES
Safety and pressure relief valves on all hydraulic actuators, up and down limit switches, electronic load moment limiting device with manoeuvre control, emergency stop.
Compliant with current accident prevention regulations, and equipped with all safety devices required by the standards - EN 13000:2010 + A1:2014 (E) - ISO 4305:1991


The crane is equipped with CE Compliance Certificate, CE marking and User’s Instructions Manual.

DELTA CRANES S.r.l.
Via Donatori di Sangue, 40/42 25020 - San Paolo (BS) Italy
Tel. +39 030 57 88 128
P.IVA N° IT 04115120984 - REA BS 589587