All Terrain | GMK4080-1 | Mobile Cranes, Southern Africa. New and Second Hand Cranes

All Terrain | GMK4080-1

Summary

The GMK4080-1 four-axle all terrain crane offers an 80t capacity with a 51m six section TWIN-LOCK boom. The 290 kW Mercedes engine provides smooth and consistent power on and off road and a. two-step transfer case increases agility at low speeds.

Features

- Exclusive MEGATRAK™ suspension
- Exclusive MEGAFORM™ boom design
- Six-section full-power boom
- TWIN-LOCK™ boom pinning system
- EKS-5 LMI system


Quick Reference Guide
Capacity	Main Boom Length	Boom Extension	Max Height
80 t	51 m	8,7 - 21 m	75 m

Superstructure
Boom	11,0 m to 51,0 m six section TWIN-LOCK™ boom. Maximum tip height 54,0 m.
Boom elevation	1 cylinder with safety valve, boom angle from -3° 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-independent heater. Armrest-integrated crane controls. Ergonomically arranged instrumentation and crane operating controls. Drive/steer controls.
Slewing	2 slewing gears with axial piston motors, planetary gear, service brake and holding brake.
Counterweight	6,3 tonnes, consisting of various sections. Hydraulic removal system.
Hydraulic system	Mercedes-Benz OM 904 LA, diesel, 4 cylinders, water cooled, turbocharged, 129kW (175HP) at 2200 rpm. (80/1269 EWG - fan rigid). Max. torque: 580 Nm at 1200-1600 rpm. Fuel tank capacity: integrated in carrier fuel reservoir. Engine emission: EUROMOT / EPA / CARB (non-road).
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. ECOS system with graphic display.
Hoist	Axial piston 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 4-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 with automatic levelling system.
Engine	Mercedes-Benz OM501LA, diesel, 6 cylinders, water cooled, turbocharged, 290 kW (389 HP) at 1800 rpm (80/1269 EWG - fan loose). Max. torque: 1850 Nm at 1080 rpm. Fuel tank capacity: 400 l. Engine emission: EUROMOT / EPA / CARB tier (non road).
Transmission	ZF-AS TRONIC automatic, 12 forward and 2 reverse speeds. Two speed transfer case with inter-axle differential lock.
Drive/Steer	8 x 6 x 8
Axle lines	4 axle lines. 1, 3 and 4 are driven steering axle lines, the 2nd is a steering axle line.
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	8 tyres, 385/95 R25 (14.00 R25).
Steering	Dual circuit, hydraulic power assisted steering with emergency steering pump. Axle lines 1, 2, and 4 steer on highway. Separate steering of the 3rd, and 4th axle line for all wheel steering and crabbing.
Brakes	Service brake: pneumatic dual circuit, acting on all wheels, air dryer. Anti-lock braking system (ABS). Permanent brake: exhaust brake and constant throttle brake. Parking brake: pneumatically operated spring-loaded brake acting on axle lines 2 and 4.
Cab	Aluminium, 2-man-design, safety glass, driver seat with pneumatic 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, 8,7/15 m with hydraulic offset and luffing under load (0°-40°), controlled from the crane cab. Bi-fold swingaway, 8,7/15 m (manual offset 0°, 20°, 40°). Lattice extension, 21 m - includes 6m fixed non-offsettable section plus 8,7/15 m swingaway (see above). Additional 10 tonnes counterweight (total counterweight 19,3 tonnes). Auxiliary hoist.
Carrier Options	8 x 8 x 8. Electric driveline retarder. 8 tyres, 445/95 R25 (16.00 R25) - Vehicle width 2,75 m. 8 tyres, 525/80 R25 (20.5 R25) - Vehicle width 3,88 m. Engine-independent hot water heater, with engine pre-heater.