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Compare up to four Vermeer models side-by side.

To help determine which Vermeer machines are best for your operation, select up to four models below to see a side by side comparison.

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Transport Dimensions
T855III Trencher
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 20" (50.8 cm) End Idler and 2 ft (0.61 m) Boom
Not applicable' ( m)
Length with 20" (50.8 cm) End Idler and 4 ft (1.22 m) Boom
Not applicable' ( m)
Length with 20" (50.8 cm) End Idler and 5 ft (1.52 m) Boom
Not applicable' ( m)
Length with 20" (50.8 cm) End Idler and 6 ft (1.83 m) Boom
Not applicable' ( m)
Length with 20" (50.8 cm) End Idler and 8 ft (2.44 m) Boom
Not applicable' ( m)
Length with 20" (50.8 cm) End Idler and 10 ft (3.05 m) Boom
Not applicable' ( m)
Length with 30" (76.2 cm) End Idler and 4 ft (1.22 m) Boom
Not applicable' ( m)
Length with 30" (76.2 cm) End Idler and 5 ft (1.52 m) Boom
Not applicable' ( m)
Length with 30" (76.2 cm) End Idler and 6 ft (1.83 m) Boom
Not applicable' ( m)
Length with 40" (101.6 cm) End Idler and 4 ft (1.22 m) Boom
Not applicable' ( m)
Length with 40" (101.6 cm) End Idler and 5 ft (1.52 m) Boom
Not applicable' ( m)
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)
Length with 40" (101.6 cm) End Idler and 14 ft (4.27 m) Boom (with Restraint Bar)
Not applicable' ( m)
Length with 50" (127 cm) End Idler and 8 ft (2.44 m) Boom
Not applicable' ( m)
Length with 50" (127 cm) End Idler and 10 ft (3.05 m) Boom
Not applicable' ( m)
Length with 50" (127 cm) End Idler and 12 ft (3.66 m) Boom
Not applicable' ( m)
Length with 50" (127 cm) End Idler and 14 ft (4.27 m) Boom (with Restraint Bar)
Not applicable' ( m)
Length with 50" (127 cm) End Idler and 16 ft (4.88 m) Boom (with Restraint Bar)
Not applicable' ( m)
Length with 50" (127 cm) End Idler and 18 ft (5.49 m) Boom (with Restraint Bar)
Not applicable' ( 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
T855III Trencher
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
T855III Trencher
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
T855III Trencher
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
T855III Trencher
Trencher
Yes
Terrain Leveler
Yes
Rockwheel
Yes
Bucket Wheel
No
Cab
T855III Trencher
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
ROPS
Not applicable
Hydraulic System
T855III Trencher
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)