All Terrain | GMK6220L | Mobile Cranes, Southern Africa. New and Second Hand Cranes

All Terrain | GMK6220L

Summary

This six-axle, all-terrain crane offers a 220 t maximum capacity coupled with a 72m, TWIN-LOCK boom. Inserts and swingaway further increase tip height to112 m. The fully automatic ALLISON transmission, combined with MEGATRAK independent suspension system, ensures optimal performance both on and off-road.

Features

- Exclusive MEGATRAK™ suspension
- Exclusive MEGAFORM™ boom design
- Six-section full-power boom
- TWIN-LOCK™ boom pinning system
- Hydraulic power luffing boom extension


Quick Reference Guide
Capacity	Main Boom Length	Boom Extension	Max Height
220 t	72 m	13 - 38 m	112 m

Superstructure
Boom	15,5 m to 72,0 m six section TWIN-LOCK™boom. Maximum tip height 75,0 m.
Boom elevation	1 cylinder with safety valve, boom angle from -1,5° to +82°.
Load moment and independent anti-two block system	Load moment and independent anti-two block system with audio visual warning and control lever lock-out. These systems provide electronic display of boom angle, length, radius, tip height, relative load moment, maximum permissible load, load indication and warning of impending two-block condition with lock-out hoist function.
Cab	Aluminium, tiltable (approx. 20°), full vision, safety glass, adjustable operator's seat with suspension, engine-dependent heater. Armrest-integrated crane controls. Ergonomically arranged instrumentation and crane operating controls.
Slewing	3 slewing gears with axial piston motors, planetary gear , automatic brake with foot operated release switch for free slew.
Counterweight	44 tonnes, consisting of various sections (vehicle width 3.00 m). Hydraulic removal system.
Engine	Mercedes-Benz OM904LA, diesel, 4 cylinders, water cooled, turbocharged, 130 kW (177 HP) at 2200 rpm. (80/1269 EWG - fan rigid). Max. torque: 660 Nm at 1200 rpm. Fuel tank capacity: 200 l. Engine emission: EUROMOT / EPA / CARB (non road).
Hydraulic system	3 separate circuits, 2 axial piston variable displacement pumps, with electronic power limiting control and 1 axial piston variable displacement pump for slewing. Thermostatically controlled oil cooler . Tank capacity: 980 l.
Control system	Full electronic control of all crane movements using electrical control levers with automatic reset to zero. Integrated with the LMI and engine management system by CAN-BUS.
Hoist	Axial piston variable displacement motor with planetary gear and brake. Drum rotation indicator .
Electrical system	Three-phase alternator 28 V/80 A, 2 batteries 12 V/170 Ah.
Carrier
Chassis	Special 6-axle chassis, all-welded torsion-resistant box type construction in high strength steel.
Outriggers	4 double hydraulically telescoping beams with vertical cylinders and outrigger pads. Independent horizontal and vertical movement control on each side of the carrier . Electronic level indicator .
Engine	Mercedes-Benz OM502LA, diesel, 8 cylinders, water cooled, turbocharged, 420 kW (571 HP) at 1800 rpm (80/1269 EWG - fan loose). Max. torque: 2700 Nm at 1080 rpm. Fuel tank capacity: 500 l. Engine emission: EUROMOT / EPA / CARB (non road).
Transmission	Allison automatic CLT 755, 5 forward and 1 reverse speed. Transfer case with 2 speeds and inter-axle differential lock.
Drive/Steer	12 x 6 x 12
Axle lines	6 axle lines. 1, 4 and 5 are driven steering axle lines, the 2nd, 3rd and 6th are steering axle lines.
Suspension	MEGATRAK®. All wheels with independent hydropneumatic suspension and hydraulic lockout. Longitudinal and transverse level control with automatic on-highway levelling system. Range +170 mm/-130 mm.
Tyres	12 tyres, 14.00 R25.
Steering	Dual circuit, hydraulic power assisted steering with emergency steering pump. Axle lines 1, 2, 3, 5 and 6 steer on highway. Separate steering of the 4th, 5th and 6th axle line for all wheel steering and crabbing.
Brakes	Service brake: pneumatic dual circuit, acting on all wheels, air dryer . Permanent brake: exhaust brake and constant throttle brake. Parking brake: pneumatically operated spring-loaded brake acting on axle lines 2, 4, 5 and 6.
Cab	Aluminium, 2-man-design, safety glass, driver and passenger seat with hydraulic suspension, engine-dependent hot water heater . Complete instrumentation and driving controls.
Electrical system	Three-phase alternator 28 V/100A, 2 batteries 12 V/170 Ah. Lighting system and signals 24 V.
Optional equipment
Superstructure Options	Bi-fold swingaway, 13/22 m - with hydraulic offset and luffing under load (5° - 40°), controlled from the crane cab. Lattice extension, 30/38 m - includes 8 m fixed, non-offsettable sections plus 13/22 m swingaway (see above). Additional 20/26 tonnes counterweight (total counterweight 64/70 tonnes). Auxiliary hoist. Engine-independent hot water heater , with engine pre-heater .
Carrier Options	12 x 8 x 12 Electric driveline retarder . 12 tyres, 16.00 R25 (vehicle width 3,00 m). 12 tyres, 20.5 R25 (vehicle width 3,10 m). Folding bunk bed in carrier cab. Engine-independent hot water heater , with engine pre-heater .