COTAC Oy
HYDRAULIC ROUGH TERRAIN CRANE
TR-300EX
Left |
hand |
steering |
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GENERAL DATA |
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CRANE CAPACITY |
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30,000 kg at 3.0 m |
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BOOM |
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4-section, |
9.1 m - 28.6 m |
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DIMENSION |
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Overall length |
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approx. |
11,000 mm |
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Overall width |
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approx. |
2,620 mm |
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Overall height |
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approx. |
3,530 mm |
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MASS |
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Gross vehicle mass |
approx. |
27,000 kg |
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-front axle |
approx. |
13,500 kg |
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-rear axle |
approx. |
13,500 kg |
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PERFORMANCE |
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Max. travelling speed |
computed |
50 km/h |
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Gradeability(tan |
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computed |
57 %(at stall) |
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CRANE SPECIFICATIONS
MODEL
TR-300EX
CAPACITY
30,000 kg at 3.0 m
BOOM
4-section full length power telescoping boom of box construction with 5 sheaves at boom head. 3rd boom and top boom telescope synchronously by means of a double-acting cylinder, an extension cable and a retraction cable.
Hydraulic cylinders fitted with holding valves.
Fully retracted length ....................... |
9.1 m |
Fully extended length ..................... |
28.6 m |
Extension speed .............................. |
19.5 m in 90 s |
JIB
2-staged swingaround boom extension. Triple offset(5°/ 25°/ 45°)type. Box type top section telescopes from lattice type base section which stores alongside base boom section.
Single sheave at jib head. |
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Length.............................................. |
7.2 m and 12.8 m |
SINGLE TOP (AUXILIARY BOOM SHEAVE)
Single sheave. Mounted to main boom head for single line work.
ELEVATION
By a double-acting hydraulic cylinder, fitted with holding valve. Elevation speed......................0°to 80°in 46 s
HOIST-Main winch
2-speed type with grooved drum driven by hydraulic axial piston motor through winch speed reducer. Power load lowering and hoisting. Equipped with automatic fail-safe brake and counterbalance valve.
Controlled independently of auxiliary winch.
Single line pull ........................ |
31.4 kN {3,200 kgf} |
Single line speed.................... |
119 m/min (at the 4th layer) |
Wire rope................................ |
Spin-resistant type |
Diameter x length ................... |
16 mm x 175 m |
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CRANE SPECIFICATIONS |
COTAC Oy |
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HOIST-Auxiliary winch
2-speed type with grooved drum driven by hydraulic axial piston motor through winch speed reducer. Power load lowering and hoisting. Equipped with automatic fail-safe brake and counterbalance valve.
Controlled independently of main winch.
Single line pull ................... |
29.4 kN {3,000 kgf} |
Single line speed............... |
119 m/min (at the 4th layer) |
Wire rope........................... |
Spin-resistant type |
Diameter x length .............. |
16 mm x 90 m |
SWING
Hydraulic axial piston motor driven through planetary swing speed reducer. Continuous 360° full circle swing on ball bearing slew ring. TADANO Twin Swing System to select power-controlled or free swing.
Equipped with manually locked/released swing brake.
Swing speed |
.................3.0 min-1 {rpm} |
HYDRAULIC SYSTEM |
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Pumps ................. |
2 variable piston pumps for crane. |
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Tandem gear pump for steering and |
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swing. |
Control valves ..... |
Multiple valves actuated by hand levers |
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with integral pressure relief valves. |
Circuit .................. |
Equipped with air cooled type oil cooler. |
Hydraulic oil tank capacity..... |
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approx. 410 liters |
Filters .................. |
Return line filter |
CAB
Both crane and drive operations can be performed from one cab mounted on rotating superstructure. One sided one-man type, steel construction with sliding door access and tinted safety glass windows opening at sides, rear
and roof. Operator's 3 way adjustable seat with high back and seat belt.
TADANO Automatic Moment Limiter (Model:AML-L)
Main unit in crane cab gives audible and visual warning of approach to overload. Automatically cuts out crane motions before overload. With working range (load radius and/or boom angle and/or tip height) limit function.
Eight functions are constantly displayed.
Digital liquid crystal display:
Either Either Boom angle or moment %
Either boom length or potential hook height
Either actual load radius or swing angle
Actual hook load
Permissible load
Either jib offset angle or number of parts of line of rope Boom position indicator
Either outrigger position or on-tire indicator Bar graphical display:
Either moment as percentage or main hydraulic pressure and torque converter oil pressure (Display changes by alternation key )
OUTRIGGERS
4 hydraulically operated outriggers. Each outrigger controlled simultaneously or independently from the cab. Equipped with sight level gauge. Floats mounted integrally with the jacks retract to within vehicle width. All jack cylinders fitted with pilot check
valves. |
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Extended width |
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Fully........................... |
6,300 mm |
Middle........................ |
5,000 mm |
Minimum.................... |
2,200 mm |
Float size (Diameter)........... |
400 mm |
COUNTERWEIGHT |
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Integral with swing frame. |
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Mass................................. |
1,890 kg |
NOTE : Each crane motion speed is based on unladen
conditions.
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CARRIER SPECIFICATIONS |
COTAC Oy |
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TYPE
Rear engine, left hand steering, driving axle 2-way selected type (by manual switch).
4 x 2 front drive
4 x 4 front and rear drive
FRAME
High-tensile steel, all welded box construction.
ENGINE
Model....... |
MITSUBISHI 6D16-TUA |
Type......... |
4 cycle, turbo charged, 6 cylinder in line, direct |
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injection, water cooled diesel engine. |
STEERING
Hydraulic power steering controlled by steering wheel. Three steering modes available:
2-wheel front
4-wheel coordinated
4-wheel crab
SUSPENSION
Front |
........Semi-elliptic leaf springs with hydraulic lockout |
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device. |
Rear ........ |
Semi-elliptic leaf springs with hydraulic lockout |
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device. |
BRAKE SYSTEM
Piston displacement |
....7,546 cm3 |
Bore x stroke .............. |
118 mm x 115mm |
Max. output ................ |
158 kW {215PS} at 2,800min-1 {rpm} |
Max. torque ................ |
706 N.m {72 kgf.m} at 1,250min-1 |
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{rpm} |
TRANSMISSION
Full automatic transmission.
Torque converter (with automatic lock up device at forward 2nd and 3rd) driving full powershift. 6 forward (3 for high range and 3 for low range) and 2 reverse (high range and low range) speeds, constant-mesh.
AXLES
Front........Full floating type, steering and driving axle with planetary reduction.
Rear ........Full floating type, steering and driving axle with planetary reduction.
Non-spin differential.
EQUIPMENT
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 ..Electro-pneumatic operated exhaust brake.
ELECTRIC SYSTEM
24 V DC. 2 batteries of 12 V - 120 Ah capacity.
FUEL TANK CAPACITY
300 liters
TIRES
Front |
........445/95R25(OR), |
Single x 2 |
Rear ........ |
445/95R25(OR), |
Single x 2 |
TURN RADIUS
Min. turning radius (at center of extreme outer tire)
2-wheel steering ........ |
9.0 m |
4-wheel steering ........ |
5.3 m |
STANDARD EQUIPMENTS
Automatic moment limiter (AML-L) External lamp (AML)
Pendant type over-winding cutout Winch automatic fail-safe brake
30 t capacity hook block (5 sheaves)
3 t capacity hook block (swivel hook) Hook safety latch
Pilot check valves Holding valves Counterbalance valves
Hydraulic pressure relief valves Swing brake
Swing lock
Boom angle indicator Boom elevation foot pedal
Boom telescoping foot pedal Sight level gauge
Electric windshield wiper and washer Roof window wiper
Roof window unlock warning Cloth covered cab seat Tachometer/Speedometer Cab floor mat
Sun visor (Front and roof)
Neutral position adjustable control lever (swing and/or auxiliary winch)
Automatic drive system
Transmission neutral position engine start Overshift prevention
Parking braked travel warning Tilt-telescope steering wheel Back-up alarm
Air cleaner dust indicator Air dryer
Water separator with filter Engine over-run alarm Hydraulic lockout suspension Non-spin differential (Rear) Towing eyes - front and rear Seat belt (Driver's seat) Hydraulic oil cooler
OPTIONAL EQUIPMENTS
Drum rotation indicator for main and auxiliary winch(Visual)
Cable follower
Tire inflation kit
Cab cooler
Cab heater and defroster (Diesel engine fuel oil)
Electric fan
Emergency steering
Reversing steering compensator
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