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
Vermeer SmartTEC electronic control system monitors real-time machine performance
Features may include:
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).
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.
Photos
Highlights
La Crete, Alberta
2025
Vermeer®
T855III Pipeline Trencher Tier 3
C9 ACERT
Available
Ranges: 101 " - 104 " (256.5 cm - 264.2 cm) | Belt: 30 in
Range: 131 " - 143 " (332.7 cm - 363.2 cm) (143 "/363.2 cm represents the height with Rockwheel attachment) | Discharge Range: 72.5 " (184.2 cm)
Specifications
2025
VermeerĀ®
T855III Pipeline Trencher
Tier 3
Ditchers
C9 ACERT
Caterpillar
Tier 3
Gross: 350 hp
2200 RPM
6
Dry-type exhaust aspirated
Turbocharged and air-to-air aftercooled
Medium: Liquid
Full flow
18.3 gph
Parking and Emergency Brake: spring-applied, hydraulic release, wet disc brake
Service: Hydrostatic
System: 24 Volt DC
Range: 9.4 hours
Maximum Ground - Low: 106.3 ft/min / High: 213 ft/min | Conveyor Belt Range: 0 - 917 fpm (0-279.5 mpm)
Minimum: 11 psi | Maximum: 16.4 psi
Pressure-and-flow-compensated (load-sensing)
Flow at Maximum RPM: 30.2 gpm
Setting: 2500 psi
Approach Angle: 20 deg | Maximum Engine Operating Angle: 40 deg | Tilt Track Max Angle: +/- 9 degrees or +/- 12 inches | Conveyor Shift Distance Range: 1.5 " and 61.5 " (3.8 cm and 156.2 cm)
With 40" (101.6 cm) End Idler and 6 ft (1.83 m) Boom: 32.8 ft | With 40" (101.6 cm) End Idler and 8 ft (2.44 m) Boom: 35.3 ft | With 40" (101.6 cm) End Idler and 10 ft (3.05 m) Boom: 37.8 ft | With 40" (101.6 cm) End Idler and 12 ft (3.66 m) Boom: 40.3 ft | Conveyor: 96 " or 156 " (243.8 cm or 396.2 cm)
Range: 131 " - 143 " (332.7 cm - 363.2 cm) (143 "/363.2 cm represents the height with Rockwheel attachment) | Discharge Range: 72.5 " (184.2 cm)
Ranges: 101 " - 104 " (256.5 cm - 264.2 cm) | Belt: 30 in
147 in
Pad Ranges: 20 " or 24 " (50.8 or 61 cm)
Tank: 172 gal
Tank: 145 gal
Range: 65,500 lbs to 94,000 lbs (29,483 kg - 42,637 kg)
Control System: TEC Plus
Drive: Dual path hydrostatic with planetary transmission | Pad: Single, double or triple grouser | Size: D6