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Year
2023
Manufacturer
IMT
Model
A290
Condition
New
Description
IMT A290 HYDRAULIC DRILLING RIG
TECHNICAL SPECIFICATIONS LDP
Large diameter piles (LDP) application
Crowd Cylinder system (CCS) version
Max. drilling diam.: 2300 mm (along mast)
Max. drilling diam.: 4000 mm (under mast)
Max. drilling depth: 46 m with Standard Kelly Bar 4 Elements (406 mm outer KB diameter)
Max. drilling depth: 75 m with Kelly Bar 5 Elements (482 mm outer KB diameter)
Mast inclination: Backward 15 degrees.
Forward 5 degrees.
Lateral 8 degrees.
UNDERCARRIAGE
Extendable from min. 2900 mm to 4250 mm by means of hydraulic cylinders
c/w 800 mm wide triple grouser track shoes operated by epicyclical reduction
gear boxes driven by hydraulic motors.
- Overall length: 5970 mm
- Travelling speed: 2.3 km/h
UPPER STRUCTURE C/W COUNTERWEIGHT
Mounted on slew ring for 360° rotation, c/w:
- Easily accessible canopies for maintenance and inspection;
- Hydraulic system;
- Soundproofed operator cab;
- Large top, front and side windscreens with protection grills (FOPS compliant);
- Fully adjustable seat;
- Levers and controls within the operator’s easy reach;
- Controls with graphical symbols monitoring each operation.
Working Width: 4250 mm
Slew speed: 3.4 rpm
Counterweight: 12000 kg.
AIR CONDITIONING SYSTEM
POWER MODULE
Diesel engine – Caterpillar C13
Type CAT C13, rated power: 328 Kw (446 HP) @ 1800 rpm (Tier 3).
Fuel tank capacity: 640 l
HYDRAULIC SYSTEM
Two Rexroth load sensing Main Pumps – For rotary, winches & tracks
Max. delivery 2 x 300 l/min
Max. pressure 35 MPa
One Parker load sensing Auxiliary pump – For crowd winch/cylinder, boom, lifting, etc.
Max. delivery 120 l/min
Max. pressure 24 MPa
The systems and structure of the base machine have been optimized to
guarantee top performance.
Hydraulic Oil tank capacity – 730 l.
CABIN
The control cabin is a high-comfort type with automatic air conditioning and adjustable operator seat.
All the controls are positioned to ensure easy access. The main joysticks are located
on the right and left seat arm rests, control the rotation of the upper, main winch, rotary, cylinder rotary translation.
The IMT control computer makes possible to check tool depth, mast inclination.
The CAT control computer for Engine, Pumps and Cameras monitor
MAIN WINCH C/W DEPTH METER
Controlled-descent type.
Nominal line pull on 1st layer: 270 kN
Grooved drum for rope diameter 30 mm
Max. line speed on 1st layer: 58 m/min.
Grooved drum c/w guide roller for correct rope winding.
Equipped with automatic system for feeding of cable and device for the end hole winch stop
with device for superior end stroke.
ROPE ASSEMBLY FOR MAIN WINCH DIAMETER 30 MM
SERVICE WINCH
Controlled-descent type.
Nominal line pull on 1st layer: 120 kN
Rope diameter: 22 mm
Max. line speed on 1st layer: 80 m/min.
ROPE ASSEMBLY FOR SERVICE WINCH DIAMETER 22 MM
CONNECTION B/W MAST AND UPPER STRUCTURE 1
Equipped with a parallelogram articulation which allows adjustment of the working
radius min. 4080 mm – max. 4900 mm with the mast in vertical position, c/w hinged
support arm, triangular support, hydraulic cylinders, connecting rod frame and hydraulic
hoses.
MAST GROUP C/W INCLINOMETER
Heavy duty, box section mast that permits full torque along its entire length.
Total length of 24330 mm. Composed of three pieces to facilitate easier transport.
Main part 17.10 m
Lower mast section 1.95 m
Upper mast section 1.88 m
ROTARY DRIVE
Suitable for multipurpose technology c/w 6 speeds (3 drilling + 3 discharge).
Torque is generated by two hydraulic motors. Oil-bathed, the torque is being transmitted
from the motors to the two power shifts, to two gearboxes and then to two pinions that
work on a crown.
Max. torque installed: 290 kNm
Min. drilling speed: 12 rpm
Max. drilling speed: 25 rpm
Spin-off speed/discharge speed: 105 rpm
CYLINDER CROWD SYSTEM (CCS)
Max. stroke: 6400 mm
Max. crowd force: 300 kN
Max. extraction force: 390 kN
Cathead assembly
Kelly bar upper guide
Kelly bar swivel
Cardan joint
Flange for bucket opening/casing driving.
Kelly bar
Mechanical locking type 4 x 13 m complete with 200 mm x 200 mm stub suitable
for max. depth 46 m.
Weight 7500 kg.
Please note that IMT machines are multi-purpose machines. They have Low headroom, CFA kit & Grab kit as well. Please don’t hesitate to contact us for more information.
IMT machines have the ability to be equipped with both J-lock and multi-lock Kelly bars"
" Please don't hesitate to contact us for a more accurate price as price changes depending on the optional items as well as the configuration of the machine."