• The heavy-duty T1255 trencher from Vermeer provides the trench digging power needed to cut through solid rock for large-diameter applications
  • Vermeer SmartTEC electronic control system monitors real-time machine performance
  • Match the optional sectionalized boom to the job for optimal results, minimal tooth wear and reduced vibrations
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T1255III Pipeline Trencher Features & Benefits

Elevated operator visibility and comfort

The elevating cab allows optimal visibility and added comfort with the air ride seat.

The sealed cab has self-contained heating and air conditioning with sound attenuating foam.

It is also a rollover protective module (ROPM) and provides falling object protection (FOPS).

Expanded conveyor opening to help reduce jamming

Heavy-duty trencher handles pipeline projects with high-volume spoil removal through an extra-wide 36-in (9-cm) dirt conveyor opening.

Advanced technology for improved machine efficiency

SmartTEC performance monitoring assists operators with adjustments to machine controls to help improve efficiency and tracks the operational performance of the machine on a consistent platform across all machine models.

T1255III Pipeline Trencher Specs & Compare

TRANSPORT DIMENSIONS 
Approach Angle15 deg
Height Range146" (370.8 cm)
Length with 50" (127 cm) End Idler and 8 ft (2.44 m) Boom43 ft
Length with 50" (127 cm) End Idler and 10 ft (3.05 m) Boom45.5 ft
Length with 50" (127 cm) End Idler and 12 ft (3.66 m) Boom48 ft
Length with 50" (127 cm) End Idler and 14 ft (4.27 m) Boom (with Restraint Bar)48.8 ft
Length with 50" (127 cm) End Idler and 16 ft (4.88 m) Boom (with Restraint Bar)51.3 ft
Length with 50" (127 cm) End Idler and 18 ft (5.49 m) Boom (with Restraint Bar)53.8 ft
Weight Range150,000 lbs - 205,000 lbs (68,039 kg - 92,986 kg)
Width Ranges134 " (340.4 cm)
ENGINE - OPTION ONE 
Make and ModelCaterpillar C18 ACERT Tier 3
Gross Horsepower600 hp
Rated Engine RPM2100
Number of Cylinders6
Fuel Tank Capacity370 gal
Operating Range11.6 hours
Fuel Consumption at Full Load31.8 gph
Maximum Engine Operating Angle (Operating angles do not indicate safe machine operating angles)35 deg
Air CleanerDry-type with precleaner
AspirationTurbocharged and air-to-air aftercooled
Cooling MediumLiquid
Electrical System24 Volt DC
Oil FilterFull flow
ENGINE - OPTION TWO 
Make and ModelCaterpillar C18 ACERT Tier 4 Final
Gross Horsepower600 hp
Rated Engine RPM2000
Number of Cylinders6
Fuel Tank Capacity370 gal
Operating Range12.1 hours
Fuel Consumption at Full Load30.5 gph
Maximum Engine Operating Angle (Operating angles do not indicate safe machine operating angles)35 deg
Air CleanerDry-type with precleaner
AspirationTurbocharged and air-to-air aftercooled
Cooling MediumLiquid
Electrical System24 Volt DC
Oil FilterFull flow
TRACKS 
Auto Self LevelNo
Ground Pressure Minimum15.5 psi
Ground Pressure Maximum21.1 psi
Tilt Track AvailableNo
Track Drive TypeDual path hydrostatic with planetary transmission
Track Length181.5 in
Track Pad TypeDouble grouser
Track Pad Width Ranges26" (66 cm), 28"(71.1 cm), 30" (76.2 cm)
Track SizeCat 375 Excavator
Maximum Ground Speed - Low44.2 ft/min
Maximum Ground Speed - High118 ft/min
Parking and Emergency Brakespring-applied, hydraulic release, wet disc brakespring-applied, hydraulic release, wet disc brake
Service BrakesHydrostatic
CONVEYOR 
Belt Width36 in
Conveyor Belt Speed Range0 - 814 fpm (0 - 248 m/min)
Conveyor Belt StyleFinger type
Conveyor Length180 " or 240 " (457.2 cm or 609.6 cm)
Conveyor Shift AvailableStandard
Conveyor Shift Distance Range60 " or 125 " (152.4 cm or 317.5 cm)
Conveyor StyleCurved
Discharge DirectionRight or left
Discharge Height Range74 " - 103 " (188 cm - 261.6 cm)
ATTACHMENTS 
TrencherYes
Terrain LevelerYes
RockwheelNo
Bucket WheelNo
CAB 
CabYes
Control SystemTEC Plus
Air Conditioner/HeaterYes
Air Suspension SeatYes
AM/FM Stereo with Weather BandYes
ElevatingYes
Pressurized/Filtered AirYes
Rollover Protective Structure (ROPM)Yes
HYDRAULIC SYSTEM 
Oil Tank Capacity210 gal
Oil TypeVermeer HyPower 68 or Vermeer HyPower 100
Pressure Setting2500 psi
Pump Flow at Maximum RPM27.9 gpm
Pump Typepressure-and-flow-compensated (load-sensing)