50960025/CP0514
4
PRINTED IN U.S.A.
Chapter 2
SPECIFICATIONS
Lifting Performance
Maximum lift capacity:
MT6642:
6600 lbs. (2994 kg)
MT8044:
8000 lbs. (3629 kg)
MT10044:
10,000 lbs. (4536 kg)
MT10055:
10,000 lbs. (4536 kg)
MT12042:
12,000 lbs. (5444 kg)
Maximum lift height:
MT6642:
42’ (12.8 m)
MT8044:
44’ (13.4 m)
MT10044:
44’ (13.4 m)
MT10055:
55’ 1” (16.8 m)
MT12042:
42’ 4” (12.9 m)
NOTE:
Use the outriggers up
specification when machine is not
equipped with outriggers.
Capacity at maximum lift height:
MT6642:
Outriggers up:
6600 lbs. (2994 kg)
Outriggers down: 6600 lbs. (2994 kg)
MT8044:
Outriggers up:
7000 lbs. (3176 kg)
Outriggers down: 8000 lbs. (3629 kg)
MT10044:
Outriggers up:
8,000 lbs. (3629 kg)
Outriggers down: 8,000 lbs. (3629 kg)
MT10055:
Outriggers Up:
5,000 lbs. (2268 kg)
Outriggers down: 5,000 lbs. (2268 kg)
MT12042:
Outriggers Up:
10,000 lbs. (4536 kg)
Outriggers down: 10,000 lbs. (4536 kg)
Max. forward reach to load center:
MT6642:
28’ 3” (8.6 m)
MT8044:
30’ 5” (9.3 m)
MT10044:
30’ 5” (9.3 m)
MT10055:
41’ 2” (12.5 m)
MT12042:
27’ 11” (8.5 m)
Capacity at maximum forward reach:
MT6642:
Outriggers up:
1000 lbs. (454 kg)
Outriggers down: 3000 lbs. (1361 kg)
MT8044:
Outriggers up:
1000 lbs. (454 kg)
Outriggers down: 3000 lbs. (1361 kg)
MT10044:
Outriggers up:
1,500 lbs. (681 kg)
Outriggers down: 3,000 lbs. (1361 kg)
MT10055:
Outriggers up:
250 lbs. (114 kg)
Outriggers down: 2,000 lbs. (908 kg)
MT12042:
Outriggers up:
2,000 lbs. (908 kg)
Outriggers down: 4,000 lbs. (1815 kg)
Maximum below grade reach:
MT6642:
14” (355.6 mm)
MT8044:
16” (406.4 mm)
MT10044:
18” (457.2 mm)
MT10055:
29” (736.6 mm)
MT12042:
17” (431.8 mm)
Frame Leveling: 10
°
left/10
°
right
General Dimensions
Based on standard machine equipped with
listed tires, 48” masonry carriage and 48” pal-
let forks.
Recommended tire types:
MT6642, MT8044
13.00 x 24 - 12 PR
Inflate to 65 psi (450 kPa)
13.00 x 24 - 12 PR Rock
Inflate to 65 psi (450 kPa)
13.00 x 24 - 12 PR, foam filled
13.00 x 24 Solid rubber
MT10044, MT10055, MT12042
14.00 x 24 - 12 PR
Inflate to 62 psi (430 kPa)
14.00 x 24 - 16PR Rock
Inflate to 70 psi (480 kPa)
14.00 x 24 - 12 PR, foam filled
13.00 x 24 Solid rubber tire double aper-
ture with conventional tread pattern
13.00 x 24 Solid rubber tire single aperture
with conventional tread pattern
Overall length, less forks:
MT6642:
19’ 1” (5.81 m)
MT8044:
19’ 10” (6.04 m)
MT10044:
20’ (6.1 m)
MT10055:
21’ (6.4 m)
MT12042:
19’ 3” (5.9 m)
Overall width:
MT6642, MT8044:
8’ (2.4 m)
MT10044/55, MT12042:
8’ 3” (2.5 m)
Overall height:
MT6642, MT8044:
7’ 8” (2.34 m)
MT10044, MT12042:
7’ 11” (2.41 m)
MT10055:
8’ 6” (2.59 m)
Ground clearance:
MT6642, MT8044:
16” (406 mm)
MT10044/55, MT12042:
18” (457 mm)
Wheel base:
MT6642, MT8044:
119.5” (3.03 m)
MT10044/55, MT12042:
124” (3.15 m)
Outside turn radius:
MT6642, MT8044:
13’8” (4.2 m)
MT10044/55, MT12042: 13’11” (4.24 m)
Machine weight:
MT6642:
22,000 lbs. (9,980 kg)
MT8044:
23,500 lbs. (10,660 kg)
MT10044:
25,300 lbs. (11,476 kg)
MT10055:
27,800 lbs. (12,610 kg)
MT12042:
25,200 lbs. (11,431 kg)
Instrumentation
Gauges:
Fuel level, hourmeter, coolant temperature,
engine oil pressure and voltmeter
Monitoring lights:
Engine oil pressure, engine water tempera-
ture, alternator, transmission oil tempera-
ture, brake failure, low fuel, glow plug
Visual indicators:
Boom angle and frame level
Steering System
Steer Valve:
Fixed displacement rotary
Displacement/Rev:
17.9 cu. in. (293 cc)
System pressure:
2500 psi (172 bar)
Steer cylinders:
1 per axle
Steer mode valve:
3-position, 4-way solenoid with dash-
mounted switch actuation
Steer modes: 2-wheel, 4-wheel, crab
Braking System
Service brakes:
Oil-immersed inboard hydraulic wet-disc
type; seperate front and rear systems; foot
pedal actuation
Parking brake:
Spring-applied, hydraulic-release disc-type
in front axle.
Actuation via electric switch with engine
running, automatic with engine off.
Electrical System
Type:
12-volt, negative ground
Battery:
950 cold cranking amps
Circuit protection:
Fuse panel
Backup alarm:
107 dB(A)
Horn:
111 dB(A)
Standard on all models:
Brake lights, rear backup light, neutral start
switch
Alternator:
90-amp