TEC® PLUS ELECTRONIC
CONTROL SYSTEM.
The operating system communicates with multiple
control modules located throughout the machine
for real-time performance data and advanced
troubleshooting capabilities.
DUAL ROTARY POWER HEADSHAFT MOTORS AND A SPLINED HEADSHAFT.
Dual rotary power motors provide low speed high
torque rock cutting performance, giving you
superior penetration and lower chain wear.
ELEVATING ENCLOSED CAB. The elevating cab allows superior visibility and
added comfort with the air ride seat. The sealed
cab has selfcontained heating and air conditioning
with sound attenuating foam. It is also a rollover
protective module (ROPM) and provides falling
object protection (FOPS).
VANTAGE TRACK. Relax in the confidence that your investment
is protected and your entire closed loop
hydrostatic system is covered with either a
3-year/3000-hour or 5-year/5000-hour Extended
Care Service program.
TERRAIN LEVELER® ATTACHMENT OPTION.
The T1255III has both a chain drive and direct
drive Terrain Leveler options for large rock
excavation applications including surface
mining, overburden removal, site preparation
and road demolition.
OPTIONAL FULL FUNCTIONREMOTE CONTROL.
The T1255III is available with wireless remote
control that can provide full operator function
remotely
T1255III TRENCHER
GENERAL DIMENSIONS
Approach angle: 15°
Height: 12.2' (3.7 m)
Length range: 43' – 54.3' (13.1 m – 16.5 m)
Weight range (tractor plus trencher attachment): 180,000 lb – 205,000 lb (81,646.6 kg – 92,986.4 kg)
Width: 11.2' (3.4 m)
ENGINE
Make and model: Caterpillar C18 ACERT
Gross horsepower: 600 hp (447 kW)
Engine rpm: 2100
Fuel consumption @ full load: 31.8 gph (120.4 L/hr)
TRACKS
Ground pressure: 15.5 psi – 21.1 psi (106.9 kPa – 145.5 kPa)
Tilt track with Auto Level available: No
Track length: 15.1' (4.6 m)
Track pad type: Double grouser
Track pad width: 30" (76.2 cm)
Track size: CAT 375 excavator
Travel speed max: 128 fpm (39 m/min)
Service brakes: Hydrostatic
CONVEYOR
Belt width: 36" (91.4 cm)
Max conveyor belt speed: 814 fpm (248.1 m/min)
Conveyor belt style: Finger-type
Conveyor length: 15' or 20' (4.6 m or 6.1 m)
Conveyor shift available: Yes
Conveyor shift distance: 60" or 125" (152.4 cm or 317.5 cm)
Conveyor style: Curved
Discharge direction: Right or left
Discharge height: 74" or 103" (188 cm or 261.6 cm)
CAB
Air conditioner/heater: Yes
Air suspension seat: Yes
AM/FM stereo with weather band: Yes
Elevating: Yes
Pressurized/Filtered air: Yes
Rollover protective module (ROPM): Yes
Level II FOPS: Yes
TRENCHER ATTACHMENT
Boom depth options: 8', 10', 12', 14', 16' or 18' (2.4 m, 3 m, 3.7 m, 4.3 m, 4.9 m or 5.5 m)
Boom top rollers: Yes
Chain speed range: 291 fpm – 635 fpm (88.7 m/min – 193.5 m/min)
Cutting width range: 30" – 48" (76.2 cm – 121.9 cm)
End idler diameter: 50" (127 cm)
CHAIN DRIVE TERRAIN LEVELER ATTACHMENT
Weight (tractor plus attachment): 245,000 lb (111,130.1 kg)
Max cutting depth: 27" (68.6 cm)
Cutting width: 144" (365.8 cm)
Drum tilt available: Yes, +/- 5 degrees
Max drum speed rpm: 51
Laser/GPS acceptable: Yes
Digging chain size: 5501 or D8N DBL
Drive type: Hydrostatic
DIRECT DRIVE TERRAIN LEVELER ATTACHMENT
Weight (tractor plus attachment): 217,500 lb (98,656.3 kg)
Max cutting depth: 21" (53.3 cm)
Cutting width: 144" (365.8 cm)
Drum tilt available: Yes, +/- 5 degrees
Max drum speed rpm: 26
Laser and GPS acceptable: Yes
Drive type: Hydrostatic
OPTIONS
Chain drive Terrain Leveler attachment
Direct drive Terrain Leveler attachment
Water spray system
Light kit
Remote control
