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Technical description
Carrier
Drive / Steering
Frame
Outriggers
Engine
Transmission
Axles
Suspension
Wheels and tyres
Steering
Brakes
Electrical equipment
2-man driver's cab
Superstructure
Hydraulic system
Hoist
Slew unit
Boom elevation
Telescoping
Crane cab
Counterweight
Safety devices
Stowage facility
Optional equipment
Main boom extension
Hoist II
Rooster sheave
Hook blocks
Tyres
Bi-carburation system
Air-conditioning for upper cab
Limitation of working radius
Further options available
on request!
AC 55
6 x 6 x 6.
Monobox main frame with integral outrigger boxes fabricated from high-strength fine grain structural
steel.
4 fully hydraulic telescopic outrigger beams and jacks. Electronic levelling indicators.
DaimlerChrysler OM 501 LA, water cooled. 260 KW (353 HP) at 1800 rpm. Maximum torque: 1730 N/m
at 1080 rpm. Complies with Euromot 2 anti-pollution directives. Fuel tank capacity: 400 litres.
Integrated spark catcher.
Automated gearbox (12 shifts) ZF AS Tronic.
3 drive / steer axles with planetary hub reduction. Differential lock on each axle. 6 motored wheels from
both cabs. Axle 2 with drop box.
Hydropneumatic suspension, suspension hydraulically lockable from both cabs. Automatic or manual
levelling.
6 wheels fitted with 16.00 R 25 tyres, single wheels on all axles.
Dual-circuit semiblock mechanical steering with hydraulic booster and mechanical steering limiter,
speed-dependent steering of axle 3, axles 2 and 3 provided for independent steering.
Foot brake: pneumatic drum brakes on 3 axles. Emergency and parking brakes: by springs on axle 2 and
3. All comply with EC directives. ABS and electric retarder.
24 V system.
Rubber-mounted all-steel cab, corrosion-resistant coating, tinted windows, driver's seat and 2nd man's
seat, full instrumentation and travel controls, rotary beacons. Electrically adjustable and heated outside
mirrors. Air-conditioning.
Powered by carrier engine, 1 variable displacement axial piston pump and separate fixed displacement
pump permitting 4 independent movements to be performed simultaneously, hydraulic oil cooler.
Reservoir capacity: 585 l.
Fixed displacement axial piston hydraulic motor, hoist drum with integrated planetary gear reducer,
and spring-applied multi-disk brake.
Hydraulic motor with planetary gear reducer, pedal-operated brake, spring-applied holding brake.
1 differential cylinder with automatic lowering brake valve.
5-section telescoping boom: full power telecope for continuous synchronization. Boom sections, made
of 2 folded U-shape boxes made from high tensile steel. 2 double-acting simple-extension cylinder with
synchronization of 4
th
section via cables and 5
Comfortable all-steel cab, tiltable at 0° to 20°, with sliding door, hinged windscreen, tinted windows,
corrosion-resistant coating, hot air heater. Dashboard with instrumentation and crane controls.
Working lights.
5.15 / 7.5 / 9.1 / 11.6 t.
Electronic safe load indicator, hoist limit switch, pressure relief and safety holding valves.
On side and rear.
Side folding 1- or 2-part jib, 8 m or 15 m, offsettable at 0°, 20°, 40°.
Fixed-displacement axial piston motor with integrated planetary reducer.
Side folding boom head sheave for single-line operation.
15 t, 22.5 t, 25 t, 32 t, 40 t, 55 t and single line hook 5 t.
14.00 R 25 and 20.5 R 25.
Tank capacity 200 l.
th
section via chain.
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