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The most powerful and versatile five-axle crane in the market the new GMK5250L-1 lets you dominate the competition with performance capabilities that include highest-rated capacity best load chart in its class best maneuverability quickest set-up time and most operator comfort and convenience in its class.
The GMK5250L-1 puts power and performance to work for you with high capacities on a five-axle all-terrain crane and 70 m (230 ft) main boom.
VIAB turbo retarder clutch option: The Grove GMK5250L-1 is the first all-terrain crane to utilize a VIAB turbo clutch module, which is used by a number of heavy duty trucks. It enables wear-free starting and braking, avoids overheating and burning, and reduces fuel consumption to a minimum; adding substantial fuel savings of approximately 30 % compared with its predecessor, the GMK5275. VIAB is a turbo coupling and integrated retarder all-in-one, which means less weight and less space.
Convenient transportation logistics: Logistic benefits due to interchangeable counterweight slabs and self-rigging auxiliary hoist. Once on the job site, the crane can be moved while carrying its full counterweight of 80 t (176,300 lb), and its ability to travel in this configuration saves valuable time on the job that would otherwise be taken up with installing and removing counterweight sections. Besides this some of the counterweight slabs areinterchangeable with those of GMK5180-1, GMK5200-1, GMK5250XL and GMK6300L.
Superior strength and reach: Boosting overall reach is a 21,3 m (69 ft) hydraulic swing-away jib, which can be extended with either an 8 m (26 ft) boom extension, two 8 m (26 ft) jib inserts, or a combination of both for a total possible jib length of 121 ft. For optimum usage, the full jib can be also operated while the crane is working with its full 70 m (230 ft) boom length extended. Another beneficial feature of the jib is its ability to offer increased offset of up to 50° compared to a typical 40° offset on other Grove cranes in its class; plus there is an optional integrated heavy duty jib available.
CraneSTAR is an exclusive and innovative crane asset management system that helps improve your profitability and reduce costs by remotely monitoring critical crane data. Visit www.cranestar.com for more information.
|Chassis||Special five-axle chassis, all-welded torsion-resistant box type construction in high strength steel|
|Cab||Aluminium, full vision, tiltable (approx. 20°), safety glass, adjustable operator’s seat with suspension, engine-independent heater. Armrest-integrated crane controls. Ergonomically arranged instrumentation and crane operating controls.|
|Max Tip Height||360.9’|
|Engine Make||Mercedes Benz|
|Engine Type||Diesel, turbocharged|
|Torque||Max. torque: 2460 Nm (1814 ft lb) at 1300 rpm.|
|Fuel Tank Capacity||79 Gallons + 92.5 Gallons|
|Control System||Full electronic control of all crane movements using electrical control levers with automatic reset to zero. Integrated with the RCL and engine management system by CAN-BUS. Crane Control System (CCS) with system with graphic display.|
|Drive||10 x 6 x 10|
|Axles||5 axle lines, axle lines 2, 4 and 5 steered and driven. Axle lines 1 and 3 steered.|
|Transmission||Mercedes G 280 with VIAB -16 gears forwards and 2 reverse. 1-stage transfer case with longitudinal differential lock and VIAB turbo retarder coupling|
|Driver's Cab||Composite designed aluminium and fibre reinforced plastic, 2-person-design, safety glass, driver seat with pneumatic suspension, engine-dependent hot water heater. Complete instrumentation and driving controls. Air condition. 12 V plug. Two rotating beacons. Fire extinguisher.|
|Hydraulic Capacity||235 gallons|
|Hydraulic System||2 separate circuits, 1 axial piston variable displacement pump with electronic power limiting control and axial piston variable displacement pump for slewing. Thermostatically controlled oil cooler|
|Brakes||Service brake: pneumatic dual circuit disc brakes 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, 3, 4 and 5
|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 (6.69 in/ -5.12 in). Active suspension control on outrigger control units|
|Tires||10 tires, size 385/95 R25 (14.00 R25)|
|Steering||Dual circuit, hydraulic power assisted steering with emergency steering pump. Axle lines 1, 2, 3 and 5 steer on highway (steer by wire). Separate electronic hydraulic (steer by wire) steering of the 4th, and 5th axle line for all wheel steering and crabbing.|
|Outriggers||4 double hydraulically telescoping beams with vertical cylinders and outrigger pads. Independent horizontal and vertical movement control on each side of the carrier and from the operators cab. Electronic level indicator with automatic levelling system.|
|Counterweight||80 tonnes (176,300 lb), consisting of various sections (50 t [110,200 lb] within 3,00 m [9.84 ft] vehicle width). Hydraulic removal system.|
|Slew||3 slewing gears with axial piston motors, planetary gears, automatic brake|
|Max Boom Length||230’|
|Hoist||Axial piston motor with planetary gear and brake. Drum rotation indicator. Hoist camera with light.|
|Boom Elevation||1 cylinder with safety valve, boom angle from -1.5° to +82°|
|Max Capacity||300 US tons|
|Electrical System||Three-phase alternator 28 V/100A, 2 batteries 12 V/170 Ah|
|Lighting||Lighting system and signals 24 V|
*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.