Electric Crane 900 E
http://www.valla.com/us/index/prodotti/scheda/900-e_12-04-2010.html
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| Motor | Electric |
| Weight | kg. 48.000/33.000. |
| Boom | fabricated from preformed and welded steel plate with 4 hydraulic telescoping sections. Fitted with adjustable nylon wear pads. |
| Transmission | differential axle with reduction gear between motor and wheels running in oil bath. Travelling speed up to 8 Km/h. |
| Steering | power steering operated by hydraulic motor and bearing ball, fitted between the power unit and the crane frame, allowing a 160° steering. 20 kW - 96 V motor driven pump, filter and safety valves. Maximum hydraulic pressure 120 bar. |
| Battery | 1250 Ah - 96 V battery meter on dashboard. |
| Wheels | posteriori n° 2 superelastici 400/60 x 15" fascia W; anteriori n° 6 solide 840 x 320. |
| Propulsion | 48 kW - 96 V DC fanned reversible electric motor fitted with a MOSFET speed control and microprocessor. |
| Suspension | oscillating rear axle with mechanic lock. |
| Brakes | food operated brakes on 6 wheels (4 front and 2 rear wheels). Hand brake mechanically operated. |
| Crane frame | fabricated from welded steel plate, with possibility to eject the free wheels and the power unit. |
| Hydraulic system | in own enclosed circuit, powered by kW 26 - 96 V motor driven pump, through electric proportional distributor controlled with joystick. Fitted with filter and safety valves. Maximum hydraulic pressure 250 bar. |
| Driver's overhead guard | a steel frame over driver's seat allowing full visibility with metal checker plate overhead. |
| LMI | Load Moment Indicator with angle, boom extension indicators and visible warning for max capacity. |
| Optionals | man bucket, remote control, hydraulic winch, metal/glass enclosed cab, carry deck, battery, battery charger. |
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