Grove GMK5250L
The most powerful and versatile five-axle crane in the market, the GMK5250L 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. View our case study on our Grove GMK5250L lifting a pumping station for Wessex Water at Corsham, Wiltshire, and also the Grove GMK5250L doing some heavy lifting at BHR Hospitals delivering the Modular CT unit
Grove GMK5250L MOBILE CRANE
■ Max. load capacity 250 tonnes
■ Telescopic boom 70 metres
■ Max. hoist height 110 m
■ Max. radius 12 - 37.0 m
■ High capacities on a 5 axle AT crane
■ VIAB turbo clutch enables wear-free starting and braking.
■ Logistic benefits due to interchangeable counterweight slabs and self-rigging auxiliary hoist.
■ 21 m swingaway with jib and/or boom inserts. Maximum 37m length and up to 50° offset.
■ Lower operating costs due to 30% less diesel consumption on the driveline.
Hire your The Grove GMK5250L All Terrain Crane today
You can hire The Grove GMK5250L All Terrain Crane with or without an operator. We will guide you through all the paperwork and help you make the right choice.
All our machines are regularly serviced so you can trust that your Grove GMK5250L All Terrain Crane will be up to the task.
View our case study installing a new Liebherr 81k Self-Erecting Tower Crane which was being lifted into position by our new 250t Grove 5250-L mobile crane.
See our Grove GMK5250L Crane Lifting Office Cabins in Salisbury
See our Grove GMK5250L Lifting Caravans at Devon Cliffs, Exmouth
View news item: Grove GMK5250L Mobile Crane Working at Avonmouth Docks
View our News Item:- Our Grove GMK5250L relocating lodges at Devon Cliffs, Exmouth
View our News Item:- Grove GMK5250L Working overnight at The Mall, Cribbs Causeway, Bristol
View our News Item:- Our Grove GMK5250L lifting an Economizer at Portbury Dock destined for West Bromwich
SPECIFICATIONS
Superstructure
Boom
13,3 m to 70,0 m seven section TWIN-LOCK™ boom. Maximum tip height 73,0 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 graphic 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, 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.
Slewing
3 slewing gears with axial piston motors, planetary gears, automatic break.
Counterweight
80 tonnes, consisting of various sections (50 t within 3,00 m vehicle width). Hydraulic removal system.
Hydraulic system
2 seperate circuits, 1 axial piston vaiable displacement pump with electronic power limiting control and axial piston variable displacement pump for slewing. Thermostatically controlled oil cooler. Tank capacity: 890 l.
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. Crane Star telematics system.
Hoist
Axial piston motor with planetary gear and brake. Drum rotation indicator. Hoist camera with light.
Optional equipment
• Bi-fold swingaway, 12/21 m - with hydraulic offset and luffing under load (5° - 50°), controlled from the crane cab.
• Boom extension, jib extension(s) 29/37 m, consisting of bi-fold swingaway and 2 boom/jib extensions.
• Auxiliary hoist, self-rigging via counterweight
• Auxiliary boom nose using one part of line
• Auxiliary boom nose using two parts of line
• Air-conditioning system
• 2.0 m side stowed stub jib using 4 parts of line. Offset 8° and 30°
CARRIER
Chassis
Special 5-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 and from the operators cab. Electronic level indicator with automatic levelling system.
Engine
Mercedes Benz OM471LA, diesel, 6 cylinders, water cooled, turbocharged, 390 kW at 1700 rpm (80/1269 EWG fan loose). Max. torque: 2460 Nm at 1300 rpm. Fuel tank: 300 l + 350 l.
Engine emission: Euromot 4 / EPA / CARB Tier 4 final (non road).
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.
Drive/Steer
10 x 6 x 10.
Axle lines
5 axle lines, axle lines 2, 4 and 5 steered and driven. Axle lines 1 and 3 steered.
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. Active suspension control on outrigger control units.
Tyres
10 tyres, 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.
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.
Cab
Composite designed aluminium and fibre reinforced plastic, 2-man-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.
Electrical system
Three-phase alternator 28 V/100A, 2 batteries 12 V/170 Ah. Lighting system and signals 24 V.
Optional equipment
10 x 8 x 10
10 tyres, size 445/95 R25 (16.00 R25).
10 tyres, size 525/80 R25 (20.5 R25) - Vehicle width 3.10 m.
Folding bunk bed in carrier cab.
Engine-independent hot water heater, with engine pre-heater.
Reverse camera system.
