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T855 Trencher

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

Features and Benefits

  • 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’(2.4 m) or folding 13’ (4 m) dirt conveyors.
  • Vermeer Vantage Track Extended Care Service Program offers an optional 3-year/3,000-hour or 5-year/5,000-hour heavy equipment warranty on the components of the closed loop hydrostatic system.
  • Vermeer dealers offer comprehensive service and genuine Vermeer replacement parts.


 


Download Specs

T855 Trencher

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Transport Dimensions
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
32.8'
10 m
Length with 40" (101.6 cm) End Idler and 8 ft (2.44 m) Boom
35.3'
10.8 m
Length with 40" (101.6 cm) End Idler and 10 ft (3.05 m) Boom
37.8'
11.5 m
Length with 40" (101.6 cm) End Idler and 12 ft (3.66 m) Boom
40.3'
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)
Engine
Make and Model
Caterpillar C9 ACERT Tier 3
Gross Horsepower
350 hp
261 kw
Rated Engine RPM
2200
Number of Cylinders
6
Fuel Tank Capacity
172 gal
651.1 L
Operating Range
9.4 hours
Fuel Consumption at Full Load
18.3 gph
69.4 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
Horsepower at Maximum RPM (Gross)
350 hp
261 kw
Tracks
Auto Self Level
Yes
Ground Pressure Minimum
11 psi
75.8 kPa
Ground Pressure Maximum
16.4 psi
113.1 kPa
Tilt Track Available
Yes
Tilt Track Max Angle
+/- 9 degrees or +/- 12 inches
Track Drive Type
tDual path hydrosatic with planetary transmission
Track Length
147"
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
106.3 ft/min
32.4 m/min
Maximum Ground Speed - High
213 ft/min
64.9 m/min
Parking and Emergency Brake
Spring applied, hydraulic release, wet disc brake
Service Brakes
Hydrostatic
Conveyor
Belt Width
30"
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)
Attachments
Trencher
Yes
Terrain Leveler
Yes
Rockwheel
Yes
Bucket Wheel
No
Cab
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
Roll Over Module (ROM)
Yes
Hydraulic System
Oil Tank Capacity
145 gal
548.9 L
Oil Type
Vermeer HyPower 68 or Vermeer HyPower 100
Pressure Setting
2500 psi
172.4 bar
Pump Flow at Maximum RPM
30.2 gpm
114.5 L/min
Pump Type
Pressure and flow compensated (load sensing)

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Center Mount Rockwheel T855 Rockwheel Attachment

Cuts through rock, concrete and other tough surfaces.

Attachments

Weight of Attachment
35000 lbs
15875.8 kg
Weight of Tractor and Rockwheel Attachment
102000 lbs
46266.5 kg
Maximum Cutting Depth
54"
137.2 cm
Cutting Width
6 ", 8 ", 10 ", 12 ", or 14 " (15.2 cm, 20.3 cm, 25.4 cm, 30.4 cm, or 35.6 cm)
Drive Type
Hydrostatic, three pumps, two motors turning a gear box
Maximum Wheel Speed - Low
838 ft/min
255.4 m/min
Maximum Wheel Speed - High
838 ft/min
255.4 m/min
Trenchers - Pipeline T855 Commander 3 Trencher Attachment

Cut clean trenches.

Attachments

Boom Depth Options
6 ', 8 ', 10 ', or 12' (1.8 m, 2.4 m, 3 m, or 3.7 m)
Sectionalized Boom
Yes
Boom Top Rollers
Optional
Minimum Chain Speed
340 ft/min
103.6 m/min
Maximum Chain Speed
656 ft/min
200 m/min
Cutting Width
18 ", 24 ", 26 ", 30 ", or 36 " (45.7 cm, 61 cm, 66 cm, 76.2 cm, or 91.4 cm)
Digging Chain Size
4501 or 4502
Idler Diameter
40" (101.6 cm)
Trencher Drive Type
Hydrostatic, three pumps and one motor
Maximum Digging Depth
144"
365.8 cm
Maximum Cutting Width
36"
91.4 cm