righydrau

A

25lic0drill

A 250 - Hydraulic Drill Rig1

1974

IMT is founded by Mr. Giulio Accorroni.
1975
The first innovative hydraulic drill rig (model 75 typeG) is patented. Capable of drilling up to a depth of 30
meters (best market performance at the time)
1978
The Accorroni family buys 100% of IMT shares and Giulio
Accorroni is appointed IMT’s sole Director.
1984
Andrea Accorroni takes over IMT management
following the death of his older brother, (Fabio Accorroni, Giulio’s first son)
1985
The company introduces the 805 model, which soon
becomes very successful and used for big construction
projects, such as the Sagrada Familia in Barcelona, Spain.
1992
New innovative models are launched (i.e., sound-proof
machine and model AF12, assembled on a crawler basecompletely produced by IMT).
1993
Beginning of co-operation with Caterpillar (CAT): IMT
starts assembling drill rigs on CAT bases (IMT is the first
drill rig manufacturer to do this; other manufacturers
will soon follow the example); IMT starts a distributionagreement in North America and Canada for its drill
rigs mounted on CAT bases through the CAT dealer inMiami, Kelly Tractor Company In the same period, thetechnology for driven piles used in the U.S. until thenstarts moving towards the European piling system andthe drilling equipment demand in the US market for all
European manufacturers starts growing.
1997
IMT produces the AF50, the biggest drill rig in theworld at the time, and sells no. 7 units to the Japanesemulti-national company Sumitomo. Giulio andAndrea Accorroni are invited to Osaka for a lectureon the technical characteristics of the rig. The lecture
is attended by the owners/directors of the biggest
Japanese construction companies.

2005
IMT patents an innovative drilling system related tohighly seismic grounds, the “Multi Rotary driven Soil
Mixing Pile”.
2006-2008
IMT increases its production range and doubles its sales.
Andrea Accorroni, current President of
IMT INTERNATIONAL S.p.A
2009-2010
IMT reacts to the global economic crisis by launching
2 new product lines in the market with traditional
technology (the “AG” series, assembled on HITACHI base,and the “A” series, mounted on IMT base), and completes
the first prototype of drill rig for seismic grounds,
the AF460 model, which uses the patented “MultiRotary driven Soil Mixing Pile” system. The prototype
is presented at BAUMA 2010, the most importantinternational exhibition for construction machinery. The
complete production range is developed thereafter.
2011
IMT AGM appoints a new Board of Directors.
2011/2013
IMT develops the prototypes for the full range of theAF series drilling rigs with Tier 4 engines, as well as thenewly-born A125 and A150 models, mounted on IMTbase and powered by CAT.
2014/2015
IMT upgrades the A-series machines with new enginesand design, and develops its own particular water welltechnology system.
2016/2019
The brand new range of A-series rigs with Tier 3 and Tier
4 engines, completely designed and developed by IMT,and lauched into the market.

Andrea Accorroni

A 250
IMT, a global leader in the manufacture of drill rigs
and a brand which has always been synonymouswith quality and reliability in the pursuit of satisfying
market demand, is pleased to present a newseries of A drill rigs. This new line is unique in its
simplicity and flexibility of use, while also perfectly
maintaining sturdiness and productivity.
The machine was designed for very arduous
applications as, thanks to its high torque and highperforming winch, it is capable of reaching great
depths, also with great diameters. Its heavy-duty
undercarriage guarantees optimal stability invarious working conditions.

A 250 - Hydraulic Drill Rig
Crowd cylinder version

1000
[39]

1064
[42]

1025
[40]

720
[28]

3000
[118]

5000
[197]
4150
[163]

3800-4750[150-187]

350
[14]

3700
[146]

4270
[168]

7510
[296]

5860
[231]
18300
[720]

48440
[332]

3000
[118]

2430
[96]

Stroke 6400[252]

24880
[980]

13860
[546]

4/464930[194]

A 250 - Hydraulic Drill Rig
Technical specifications
A250 Tier 4 Stage Vtorque [kNm]

RotarykNm

260

260
210lbf ft

191770150

Min. Working speed

rpm

7128

Max. Working speedrpm

27

Min. Discharge speed

rpm

45

101
85

Max. Discharge speedrpm

110Nominal torque9 11 15*not to scale

1°st Gear
2°st Gear
3°st Gear

18 22

26speed [rpm]Winches
Main winch pull force
Main winch speed
Main winch cable diameter
Auxiliary winch pull force
Auxiliary winch speed
Auxiliary winch cable diameterkN

240

lbf

53955

m/min

73ft/min

240

mm

28in/

kN

120

lbf

26980

m/min

80ft/min

262

mm

22in/

Crowd System
Kelly crowd push
Kelly crowd pull
Stroke (mm)

kN

250

lbf

56205

kN

390

lbf

87680

mm

6400

in

252

Base
Undercarriage length / widening range / shoe

IMTmm
in

Engine type

CAT 5860 / 3000 - 4270 / 720
231 / 118 - 168 / 28,5
CAT C9.3 Tier 4 Stage V
280 KW (375 HP) @1900 rpm

Mast
Mast raking forward

degree5°

Mast side raking

degree±8°

Mast raking backwards

degree15°

Pile max diametermm

2000in79

Kelly barStandard

4/46

Options available
Operating Weight w/standard kelly bar

4/48 - 5/66
t (metric)

69

lbs

1521205

A 250 - Hydraulic Drill Rig
Working area crowd cylinder

Removable parts for transport phase
Rotary4270[168]

Weight = 4 ton [8850 lb]

1900
[75]

720
[28]

30°

5860
[231]

30°

B

A

00
15 ]
ø1 453[øC10°A

MAX WORKING RADIUS 4750 [R 187]

B

MAX TOOL DIAMETER 2000 [ø 79]

C

MIN WORKING RADIUS 3800 [R 150]

Counterweight

Weight = 10,5ton [23149 lb]

1570
[62]

10°

1700
[67]

2100
[83]

650
[26]2980[117]Equipment- STANDARD EQUIPMENT -- OPTIONAL EQUIPMENT-Air conditioner

Biodegradable oil

Neutral lever (lock out) for all control

Lateral / Rear camera

Guard cab front

Cardanic universal joint kit

Guard cab top

Casing oscillator kit

Top cabin working lights

LCA kitMain and auxiliary load sensing circuit

Rotary with removable racks

Free flow during drilling phase
Automatic bottom hole stop
Depth measuring device on main winch
Mast inclination mesurement
Kelly bar intelocking 4/46 (46m depth)
Automatic engine control to safe fuelElectrical refuelling pump

6

A 250 - Hydraulic Drill Rig
Kelly bar standard version

BAe

A [m/in]W [kg/lb]

C [m/ft]

B [m/in]4 / 4613,9/546

7740/17064

45/1488,5/332

4 / 4814,7/577

8170/18012

48,3/158,5

7,7/301*5 / 66

16,1/635

8315/18331

66,9/219

6,2/243

C

4 PARTS

Kelly bar

*With 200X200 square jointD

1,5[m] / 59[in]177x177 mm

D

5 PARTS

Standard square joint other dimension available
Further kelly bars available on request7

A 250 - Hydraulic Drill Rig
LCA version
1000[39]12530
[493]

6165
[243]

4/20

1064
[42]

1025
[40]

720
[28]

3000
[118]
4270
[168]

5000
[197]

4150
[163]

2380
[94]

5035
[198]

3000
[118]

3000
[118]

3800-4750[150-187]

5750
[226]

350
[14]

3700
[146]

3640
[143]

990 Stroke 3000
[118]
[39]

1140
[439]

6165
[243]

4/20

1210
[48]

5860
[231]

4930
[194]
12000
[472]

Technical specifications
A250 Lca Tier 4 Stage V
Crowd System
Stroke (mm)

mm

3000

in118

Kelly barStandard

4/20

Options available
Operating Weight w/standard kelly bar

8

4/17 - 5/33
t (metric)

63,2lbs

139340A 250 - Hydraulic Drill Rig
Working area LCA
4270
[168]

Removable parts for transport phase
RotaryWeight = 4 ton [8850 lb]

1900
[75]

720
[28]

30°

5860
[231]

30°

B

CounterweightA

Weight = 10,5ton [23149 lb]

0015 ]
ø1 453[øC10°A

MAX WORKING RADIUS 4750 [R 187]

B

MAX TOOL DIAMETER 2000 [ø 79]

C

MIN WORKING RADIUS 3800 [R 150]

1570
[62]

10°

1700
[67]

2100
[83]

650
[26]

2980
[117]

B

A

Kelly bar LCA version

A [m/in]W [kg/lb]

C [m/ft]

B [m/in]4 / 175,9/2313270/7209

15,8/52

5,3/2094 / 20

6,2/243

3580/7893

18,2/60

5/198*5 / 33

8,3/3254400/9700

33/108

3/116

C

4 PARTS

Kelly bar

* With 200x200 square joint
D1,5[m] / 59[in]D5 PARTS

177x177 mm

Standard square joint other dimension available
Further kelly bars available on request

9A 250 - Hydraulic Drill Rig
Worldwide sales and assistance network

Canada and U.S.A. (North America)

Swede
United Kingdom
Spain
PortugalMexicoMalta / Libya
Egypt

Nigeria

IMT dealers, a global network at your service
IMT, like very few other companies in the field,
has a global commercial and assistance network wich ispresent in over 30 countries.
From any part of the world IMT clients know which they
can always count on fast and efficient service.

10

A 250 - Hydraulic Drill RigRussia

Sweden - Denmark

Turkeybya
EgyptIsraelIran
GCC Countries
India-Pakistan-Sri Lanka

Nigeria
Singapore

Australia

New ZelandThis document is created and distributed by IMT. This document may not be reproduced,
modified or exhibited without authorization by IMT srl. All rights reserved. ©
All technical data are indicative and subject to change without notice.

11

A 250 - Hydraulic Drill Rig
Note

12

A 250 - Hydraulic Drill Rig
Note

13

A 250 - Hydraulic Drill Rig
Note

14

A 250 - Hydraulic Drill Rig
Note

15

A 250 - Hydraulic Drill Rig

I.M.T. S.r.l. - Industria Meccanica Trivelle
via D’Ancona,39 60027 Osimo (AN) Italy
Tel. +39 071 723341 - Fax +39 0717 133 352
imt@imtspa.com - www.imtspa.com
16