A tough machine, built to last.

The Vermeer T855 Commander® 3 hydrostatic trencher is your rugged trench-digging tool. Designed specifically for 6-ft to 12-ft (1.8-m to 3.7-m) rock trenching jobs, the T855III is a great choice for utility, water and sewer installation.

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PRODUCT VIDEOS

FEATURES & BENEFITS

ROTARY POWER TRENCHER DRIVE MOTOR
A rotary power trencher drive motor and splined headshaft produce low speed and high torque which provide superior ground penetration and low chain wear for better production results.
LOW-SPEED, HIGH-TORQUE MOTOR
Operate the rock trencher with less wear due to its low-speed, high-torque splined headshaft motor. Put the spoils where you want them with the optional non-folding 8-ft (2.4-m) or folding 13-ft (4-m) dirt conveyors.
OPTIONAL WARRANTY
Vermeer Vantage Track Extended Care Service Program offers an optional 3-year/3000-hour or 5-year/5000-hour heavy equipment warranty on the components of the closed-loop hydrostatic system.

SPECIFICATIONS

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Units:
  • Approach Angle
    20 deg
  • Height Range
    131 " - 143 " (332.7 cm - 363.2 cm) (143 "/363.2 cm represents the height with Rockwheel attachment)
  • Length with 40" (101.6 cm) End Idler and 6 ft (1.83 m) Boom
    10 m
  • Length with 40" (101.6 cm) End Idler and 8 ft (2.44 m) Boom
    10.8 m
  • Length with 40" (101.6 cm) End Idler and 10 ft (3.05 m) Boom
    11.5 m
  • Length with 40" (101.6 cm) End Idler and 12 ft (3.66 m) Boom
    12.3 m
  • Weight Range
    65,500 lbs to 94,000 lbs (29,483 kg - 42,637 kg)
  • Width Ranges
    101 " - 104 " (256.5 cm - 264.2 cm)
  • Make and Model
    Caterpillar C9 ACERT Tier 3
  • Gross Horsepower
    261 kw
  • Rated Engine RPM
    2200
  • Number of Cylinders
    6
  • Fuel Tank Capacity
    651.1 L
  • Operating Range
    9.4 hours
  • Fuel Consumption at Full Load
    69.3 lph
  • Maximum Engine Operating Angle (Operating angles do not indicate safe machine operating angles)
    40 deg
  • Air Cleaner
    Dry-type exhaust aspirated
  • Aspiration
    Turbocharged and air-to-air aftercooled
  • Cooling Medium
    Liquid
  • Electrical System
    24 Volt DC
  • Oil Filter
    Full flow
  • Make and Model
    Caterpillar C9 ACERT Tier 4 Final
  • Gross Horsepower
    261 kw
  • Rated Engine RPM
    2200
  • Number of Cylinders
    6
  • Fuel Tank Capacity
    651.1 L
  • Operating Range
    9.4 hours
  • Fuel Consumption at Full Load
    69.3 lph
  • Maximum Engine Operating Angle (Operating angles do not indicate safe machine operating angles)
    40 deg
  • Air Cleaner
    Dry-type with precleaner
  • Aspiration
    Turbocharged and air-to-air aftercooled
  • Cooling Medium
    Liquid
  • Electrical System
    24 Volt DC
  • Oil Filter
    Full flow
  • Auto Self Level
    Yes
  • Ground Pressure Minimum
    75.8 kPa
  • Ground Pressure Maximum
    113.1 kPa
  • Tilt Track Available
    Yes
  • Tilt Track Max Angle
    +/- 9 degrees or +/- 12 inches
  • Track Drive Type
    Dual path hydrosatic with planetary transmission
  • Track Length
    373.4 cm
  • Track Pad Type
    Single, double, or triple grouser
  • Track Pad Width Ranges
    20 " or 24 " (50.8 or 61 cm)
  • Track Size
    D6
  • Maximum Ground Speed - Low
    32.4 m/min
  • Maximum Ground Speed - High
    64.9 m/min
  • Parking and Emergency Brake
    Spring applied, hydraulic release, wet disc brake
  • Service Brakes
    Hydrostatic
  • Belt Width
    76.2 cm
  • Conveyor Belt Speed Range
    0 - 917 fpm (0-279.5 mpm)
  • Conveyor Belt Style
    Cleat or finger type
  • Conveyor Length
    96 " or 156 " (243.8 cm or 396.2 cm)
  • Conveyor Shift Available
    Yes
  • Conveyor Shift Distance Range
    1.5 " and 61.5 " (3.8 cm and 156.2 cm)
  • Conveyor Style
    Curved
  • Discharge Direction
    Right or left
  • Discharge Height Range
    72.5 " (184.2 cm)
  • Trencher
    Yes
  • Terrain Leveler
    Yes
  • Rockwheel
    Yes
  • Bucket Wheel
    No
  • Cab
    Yes
  • Control System
    TEC Plus
  • Air Conditioner/Heater
    Yes
  • Air Suspension Seat
    No
  • AM/FM Stereo with Weather Band
    Yes
  • Elevating
    Yes
  • Pressurized/Filtered Air
    Yes
  • Rollover Protective Structure (ROPM)
    Yes
  • Oil Tank Capacity
    548.9 L
  • Oil Type
    Vermeer HyPower 68 or Vermeer HyPower 100
  • Pressure Setting
    172.4 bar
  • Pump Flow at Maximum RPM
    114.5 L/min
  • Pump Type
    Pressure and flow compensated (load sensing)

LITERATURE

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