GR-750XL
75 Ton Capacity (68 Metric Tons)
HYDRAULIC ROUGH TERRAIN CRANE
DIMENSIONS |
Note : Dimension is with boom angle at -1.6 degree.
GENERAL DIMENSIONS |
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(29.5 - 25 Tires) |
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Feet |
Meters |
Turning radius |
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4 wheel steer |
22' 4" |
6.8 |
2 wheel steer |
39' 1" |
11.9 |
Tail swing of counterweight |
13' 9" |
4.19 |
Specifications are subject to change without notice. Specification effective with serial number 548831 and up.
CRANE SPECIFICATIONS
BOOM
Five section full power synchronized telescoping boom, 36.1'~141.1' (11.0m~43.0m), of round box construction
with six sheaves, 17-5/16" (0.44m) root diameter, at boom head. The synchronization system consists of two telescope cylinders, an extension cable and retraction cable. Hydraulic cylinder fitted with holding valve. Two easily removable wire rope guards,
rope dead end provided on both sides of boom head. Boom telescope sections are supported by wear pads both vertically and horizontally. Extension speed 105' in 128 seconds.
BOOM ELEVATION - By a double acting hydraulic cylinder with holding valve. Elevation -1.6 o~80.3 o, combination controls for hand
or foot operation. Boom angle indicator. Automatic speed reduction and soft stop function. Boom raising speed 20 o to 60 o in 46 sec.
JIB - Two stage bi-fold lattice type with 3.5 o, 25 o or 45 o offset (tilt type). Single sheave, 15-5/8" (0.396m) root diameter, at the head of both
jib sections. Stored alongside base boom section. Jib length is
33.2' (10.1m) or 58.1' (17.7m). Assistant cylinders for mounting and stowing, controlled at right side of superstructure.
Self stowing jib mounting pins.
AUXILIARY LIFTING SHEAVE (SINGLE TOP)
Single sheave, 15-5/8" (0.396m) root diameter. Mounted to main boom head for single line work (storable).
ANTI-TWO BLOCK - Pendant type over-winding cut out device with audio-visual (FAILURE lamp/BUZZER) warning system.
SLEWING
Hydraulic axial piston motor through planetary slewing speed reducer. Continuous 360 o full circle slewing on ball bearing turn table at 2.4min-1 {rpm}. Equipped with manually locked/released
slewing brake. A 360o positive slewing lock for pick and carry and travel modes, manually engaged in cab. Twin slewing system: Free slewing or lock slewing controlled by selector switch on front console.
HOIST
MAIN HOIST - Variable speed type with grooved drum driven by hydraulic axial piston motor through speed reducer. Power load lowering and raising. Equipped with automatic brake (neutral brake) and counterbalance valve. Controlled independently of auxiliary hoist. Equipped with cable follower and drum rotation indicator.
DRUM - Grooved 14-1/4" (0.362m) root diameter x 23-5/8" (0.6m) wide. Wire rope: 771' of 3/4" diameter rope (235m of 19mm). Drum capacity: 997' (304m) 7 layers.
Maximum single line pull (available): 16,500 lbs (7,480kg). Maximum line speed: 479FPM (146m/min) at the 6th layer.
AUXILIARY HOIST - Variable speed type with grooved drum driven by hydraulic axial piston motor through speed reducer. Power load lowering and raising. Equipped with automatic brake (neutral brake) and counterbalance valve. Controlled independently of main hoist. Equipped with cable follower and drum rotation indicator.
DRUM - Grooved 14-1/4" (0.362m) root diameter x 23-5/8" (0.6m) wide. Wire rope: 436' of 3/4" diameter rope (133m of 19mm). Drum capacity: 997' (304m) 7 layers.
Maximum single line pull (available): 16,500 lbs (7,480kg). Maximum line speed: 420FPM (128m/min) at the 4th layer.
WIRE ROPE - Warrington seal wire, extra improved plow steel, preformed, independent wire rope core, right regular lay.
3/4" (19 mm) 6x31 class
Breaking strength (Main and Aux): 54,700 lbs (24,800 kg)
HOOK BLOCKS
75 ton (68 metric ton) - 7 sheaves with swivel hook block and safety latch. 6.2 ton (5.6 metric ton) - Weighted hook ball with swivel and safety latch.
HYDRAULIC SYSTEM
PUMPS - Two variable piston pumps for crane functions. Tandem gear pump for steering, slewing and optional equipment. Powered by carrier engine. Pump disconnect for crane is engaged/disengaged by rotary switch from operator's cab.
CONTROL VALVES - Multiple valves actuated by pilot pressure with integral pressure relief valves.
RESERVOIR - 202 gallon (763 lit.) capacity. External sight level gauge.
FILTRATION - BETA10=10 return filter, full flow with bypass protection, located inside of hydraulic reservoir. Accessible for easy replacement.
OIL COOLER - Air cooled fan type.
CAB AND CONTROLS
Both crane and drive operations can be performed from one cab mounted on rotating superstructure.
Left side, 1 man type, steel construction with sliding door access and safety glass windows opening at side. Door window is powered control. Windshield glass window and roof glass window are shatter-resistant. Tilt-telescoping steering wheel. Adjustable control lever stands for slewing, boom elevating, boom telescoping, auxiliary hoist and main hoist. Control lever stands can change neutral positions and tilt for easy access to cab. 3 way adjustable operator's seat with high back, headrest and armrest. Engine throttle knob. Foot operated controls: boom elevating,
boom telescoping, service brake and engine throttle. Hot water cab heater and air conditioning.
Dash-mounted engine start/stop, monitor lamps, cigarette lighter, drive selector switch, parking brake switch, steering mode select switch, power window switch, pump engaged/disengaged switch, slewing brake switch, telescoping/auxiliary hoist select
switch, outrigger controls, free slewing / lock slewing selector switch, eco mode switch and ashtray.
Instruments - Torque converter oil temperature, engine water temperature, air pressure, fuel, speedometer, tachometer, hour meter and odometer / tripmeter. Hydraulic oil pressure is monitored and displayed on the AML-C display panel.
2
Tadano electronic LOAD MOMENT INDICATOR system (AML-C) including:
Control lever lockout function
Boom position indicator
Outrigger state indicator
Boom angle / boom length / jib offset angle / jib length / load radius / rated lifting capacities / actual loads read out
Ratio of actual load moment to rated load moment indication
Automatic Speed Reduction and Slow Stop function on boom elevation and slewing
Working condition register switch
Load radius / boom angle / tip height / slewing range preset function
External warning lamp
Tare function
Fuel consumption monitor
Main hoist / auxiliary hoist select
Drum rotation indicator (audible and visible type) main and auxiliary hoist
TADANO AML-C monitors outrigger extended length and automatically programs the corresponding "RATED LIFTING CAPACITIES" table
Operator's right hand console includes transmission gear selector, and slewing lock lever and sight level bubble. Upper console includes working light switch, roof washer and wiper switch, emergency outrigger set up key switch, jib equipped/removed select switch, eco mode switch and air conditioning control switch.
NOTE: Each crane motion speed is based on unloaded conditions.
CARRIER SPECIFICATIONS
TYPE - Rear engine, left hand steering, driving axle 2-way selected type by manual switch, 4x2 front drive, 4x4 front and rear drive.
FRAME - High tensile steel, all welded mono-box construction.
TRANSMISSION - Electronically controlled full automatic transmission. Torque converter driving full powershift with driving axle selector. 6 forward and 2 reverse speeds, constant mesh.
3 speeds - high range - 2 wheel drive; 4 wheel drive 3 speeds - low range - 4 wheel drive
TRAVEL SPEED - 22 mph (36 km/h)
GRADEABILITY (tan ) - 147% (at stall), **57%
**Machine should be operated within the limit of engine design. (30°: Cummins QSB6.7)
AXLE - Front: Full floating type, steering and driving axle with planetary reduction. Rear: Full floating type, steering and driving axle with planetary reduction and non-spin rear differential.
STEERING- Hydraulic power steering controlled by steering wheel. Four steering modes available: 2 wheel front, 2 wheel rear, 4 wheel coordinated and 4 wheel crab .
ENGINE
Model |
Cummins QSB6.7 [Tier 4] |
Type |
Direct injection diesel |
No. of cylinders |
6 |
Combustion |
4 cycle, turbo charged and after cooled |
BoreXStroke, in.(mm) |
4.212 x 4.882 (107 x 124) |
Displacement, cu. in (liters) |
409 (6.700) |
Air inlet heater |
24 volt preheat |
Air cleaner |
Dry type, replaceable element |
Oil filter |
Full flow with replaceable element |
Fuel filter |
Full flow with replaceable element |
Fuel tank, gal.(liters) |
79.2 (300), right side of carrier |
Cooling |
Liquid pressurized, recirculating by-pass |
SUSPENSION - Front: Rigid mounted to frame.
Rear: Pivot mounted with hydraulic lockout device.
BRAKE SYSTEMS - Service: Air over hydraulic disc brakes on all 4 wheels. Parking/Emergency: Spring applied-air released brake acting on input shaft of front axle. Auxiliary: Electropneumatic operated exhaust brake.
TIRES - 29.5-25 22PR(OR) or 29.5-25 28PR(OR)
OUTRIGGERS - Four hydraulic, beam and jack outriggers. Vertical jack cylinders equipped with integral holding valve. Each outrigger beam and jack is controlled independently from cab. Beams extend to 23' 11-3/8" (7.3 m) center-line and retract to within 10' 10-1/2" (3.315 m) overall width with floats. Outrigger jack floats are attached thus eliminating the need of manually attaching and detaching them. Controls and sight bubble located in superstructure cab. Four outrigger extension lengths are provided with corresponding "RATED LIFTING CAPACITIES" for
crane duty in confined areas. |
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Min. Extension |
8' |
10-1/4" |
(2.7m) center to center |
Mid. Extension |
18' |
1/2" |
(5.5m) center to center |
Mid. Extension |
21' |
11-3/4" |
(6.7m) center to center |
Max. Extension |
23' |
11-3/8" |
(7.3m) center to center |
Float size(Diameter) |
1' 11- 5/8" (0.6m) |
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Radiator |
Fin and tube core, thermostat controlled |
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Fan, in.(mm) |
Suction type, 9-blade, 28 (711) dia. |
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Starting |
24 volt |
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Charging |
24 volt system, negative ground |
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Battery |
2-120 amp. Hour |
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Compressor, air, CFM(l /min) |
17.0 |
CFM (481) at 2,400rpm |
Horsepower (kW) |
Gross 270 (201) at 2,000rpm |
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Torque, Max. ft-lb (Nm) |
730 (990) at 1,500rpm |
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Capacity, gal.(liters) |
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Cooling water |
7.4 (28) |
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Lubrication |
4.0 (15) |
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Fuel |
79.2 |
(300) |
DEF |
10.0 |
(38) |
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STANDARD EQUIPMENT
-Five section full power partially synchronized boom 36.1'~141.1' (11.0 m~43.0 m)
-33.2' or 58.1' (10.1 m or 17.7 m) bi-fold lattice jib (tilt type)
with 3.5o, 25 o or 45 o pinned offsets and self storing pins.
-Auxiliary lifting sheave (single top) storable
-Variable speed main hoist with grooved drum, cable follower and 771' of 3/4" cable.
-Variable speed auxiliary hoist with grooved drum, cable follower and 436' of 3/4" cable.
-Drum rotation indicator (audible, visible and thumper type) main and auxiliary hoist
-Anti-Two block device (overwind cutout)
-Boom angle indicator
-Tadano electronic load moment indicator system (AML-C)
-Outrigger extension length detector
-Electronic crane monitoring system
-Tadano twin slewing system and 360o positive slewing lock
-Self centering finger control levers with pilot control
-Control pedals for boom elevating and boom telescoping
-3 way adjustable cloth seat with armrests, high back and seat belt
-Tilt-telescoping steering wheel
-Tinted safety glass and sun visor
-Front windshield wiper and washer
-Roof window wiper and washer
-Power window (cab door )
-Rear view mirrors (right and left side)
-Mirror for main and auxiliary hoists
-Cigarette lighter and ashtray
-Cab floor mat
-Pump disconnect in operator's cab
-Hydraulic oil cooler
-Hot water cab heater and air conditioner
-Positive control
-Quick reeving type bi-fold jib
-Work lights
-Independently controlled outriggers
-Four outrigger extension positions
-Self-storing outrigger pads
-Cummins QSB6.7 turbo charged
after cooled engine (270HP) with exhaust brake
-Electronic controlled automatic transmission driven by torque converter
-4 X 4 X 4 drive/steer
-Non-spin rear differential
-Automatic rear axle oscillation lockout system
-29.5-25 22PR(OR) tires or 29.5-25 28PR(OR) tires
-Disc brakes
-Fenders
-Air dryer
-Water separator with filter(high filtration)
-Engine over-run alarm
-Back-up alarm
-Low oil pressure/high water temp. warning device (visual)
-Rear steer centering light
-Air cleaner dust indicator
-Full instrumentation package
-Complete highway light package
-Tool storage compartment
-Tire inflation kit
-24 volt electric system
-6.2 ton (5.6 metric ton) hook ball with swivel
-75 ton (68 metric ton) - 7 sheaves with swivel hook block and safety latch for 3/4"(19mm) wire rope
-Towing hooks-Front and rear
-Lifting eyes
-Hook block tie down (front bumper)
-Weighted hook storage compartment
-Halogen head lamp
-Telematics (machine data logging and monitoring system) with HELLO-NET via internet
-Fuel consumption monitor
-Eco mode system
HOISTING PERFORMANCE
LINE SPEEDS AND PULLS
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Main or auxiliary hoist - 14-1/4" (0.362m) drum |
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Layer |
1 |
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Line pulls |
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Line speeds |
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Available2 |
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F.P.M. |
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m/min |
Lbs. |
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kgf |
1st |
331 |
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101 |
16,500 |
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7,480 |
2nd |
361 |
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110 |
15,200 |
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6,900 |
3rd |
390 |
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119 |
13,800 |
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6,260 |
4th |
420 |
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128 |
12,700 |
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5,760 |
5th |
450 |
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137 |
11,900 |
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5,400 |
6th |
479 |
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146 |
11,000 |
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4,990 |
7th3 |
509 |
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155 |
10,300 |
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4,670 |
*Maximum permissible line pull may be affected by wire rope strength.
Maximum lifting capacity per line (Main & Aux.): 12,300 lbs (5,600 kg)
1Line speeds based only on hook block, not loaded.
2Developed by machinery with each layer of wire rope, but not based on rope strength or other limitation in machinery or equipment.
3Seventh layer of wire rope are not recommended for hoisting operations.
DRUM WIRE ROPE CAPACITIES
Wire |
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Main and auxiliary drum grooved lagging |
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3/4" (19mm) wire rope |
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rope |
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Rope per layer |
Total wire rope |
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layer |
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Feet |
Meters |
Feet |
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Meters |
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1 |
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112.2 |
34.2 |
112.2 |
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34.2 |
2 |
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122.3 |
37.3 |
234.5 |
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71.5 |
3 |
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132.2 |
40.3 |
366.8 |
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111.8 |
4 |
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142.3 |
43.4 |
509.1 |
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155.2 |
5 |
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152.2 |
46.4 |
661.4 |
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201.6 |
6 |
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162.4 |
49.5 |
823.8 |
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251.1 |
7 |
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172.5 |
52.6 |
996.4 |
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303.7 |
DRUM DIMENSIONS |
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Inch |
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mm |
Root diameter |
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14-1/4" |
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362 |
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Length |
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23-5/8" |
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600 |
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Flange diameter |
25-7/8" |
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657 |
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GR-750XL WORKING RANGE CHART
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