Manitowoc GMK4090 90 ton All-Terrain Crane

Max Height

54 m

Max Lifting Capacity

90 ton

Boom Length

11 m - 51 m

Crane Type

All-Terrain Crane

Brand

Manitowoc

Model

GMK4090

Slewing

Two slewing gears with axial piston motors, planetary gears, automatic break.

Counterweight

18.3 ton

Boom elevation

-3° to +82°

Hydraulic system - Tank capacity

450 L

Drive/Steer

8 x 6 x 8

Axle lines

4 axle lines, axle lines 1, 2, 3 and 4 steered, axle line 1, 3 and 4 driven.

Control system

Full electronic control of all crane movements using electrical control levers with automatic reset to zero

Hoist

Auxiliary hoist

Chassis

Special 4-axle chassis, all-welded torsion-resistant box type construction in high strength steel.

Engine - Fuel tank

200 L + 200 L

Hoist - Bi-fold swingaway

8.7 m

Cab - Aluminium, full vision, tilting

approx. 20°

Driver’s Cab

2-mandesign, safety glass, driver seat with pneumatic suspension, engineindependent diesel air heater incl. 24 h timer. Complete instrumentation and driving controls. Air condition. 12 V plug. Two rotating beacons. Fire extinguisher

Swingaway extension

8.7 m - 15 m

Boom extension

6 m

Six-section main boom

51 m

Lattice extension

21 m

Tyre

Eight tyres

Brake - Service brake

pneumatic dual circuit drum brakes acting on all wheels, air dryer

Brake - Permanent brake

exhaust brake and constant throttle brake

Brake - Parking brake

pneumatically operated spring-loaded brake acting on axle lines 2, 3 and 4