General
| Manufacturer | VERMEER |
| Model | T855 Pipeline Trencher |
| Year | |
| Category | |
| Subcategory | Pipeline Trenchers |
Transport Dimensions
| Approach Angle | 20deg |
| 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 | 32.8ft (10m) |
| Length with 40" (101.6 cm) End Idler and 8 ft (2.44 m) Boom | 35.3ft (10.8m) |
| Length with 40" (101.6 cm) End Idler and 10 ft (3.05 m) Boom | 37.8ft (11.5m) |
| Length with 40" (101.6 cm) End Idler and 12 ft (3.66 m) Boom | 40.3ft (12.3m) |
| 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 - Option one
| Make and Model | Caterpillar C9 ACERT Tier 3 |
| Gross Horsepower | 350hp (261kw) |
| Rated Engine RPM | 2200 |
| Number of Cylinders | 6 |
| Fuel Tank Capacity | 172gal (651.1L) |
| Operating Range | 9.4 hours |
| Fuel Consumption at Full Load | 18.3gph (69.3lph) |
| Maximum Engine Operating Angle (Operating angles do not indicate safe machine operating angles) | 40deg |
| 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 |
Engine - Option two
| Make and Model | Caterpillar C9 ACERT Tier 4 Final |
| Gross Horsepower | 350hp (261kw) |
| Rated Engine RPM | 2200 |
| Number of Cylinders | 6 |
| Fuel Tank Capacity | 172gal (651.1L) |
| Operating Range | 9.4 hours |
| Fuel Consumption at Full Load | 18.3gph (69.3lph) |
| Maximum Engine Operating Angle (Operating angles do not indicate safe machine operating angles) | 40deg |
| 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 |
Tracks
| Auto Self Level | Yes |
| Ground Pressure Minimum | 11psi (75.8kPa) |
| Ground Pressure Maximum | 16.4psi (113.1kPa) |
| Tilt Track Available | Yes |
| Tilt Track Max Angle | +/- 9 degrees or +/- 12 inches |
| Track Drive Type | tDual path hydrosatic with planetary transmission |
| Track Length | 147in (373.4cm) |
| 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 | 106.3ft/min (32.4m/min) |
| Maximum Ground Speed - High | 213ft/min (64.9m/min) |
| Parking and Emergency Brake | Spring applied, hydraulic release, wet disc brake |
| Service Brakes | Hydrostatic |
Conveyor
| Belt Width | 30in (76.2cm) |
| 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 |
| Rollover Protective Structure (ROPM) | Yes |
Hydraulic System
| Oil Tank Capacity | 145gal (548.9L) |
| Oil Type | Vermeer HyPower 68 or Vermeer HyPower 100 |
| Pressure Setting | 2500psi (172.4bar) |
| Pump Flow at Maximum RPM | 30.2gpm (114.5L/min) |
| Pump Type | Pressure and flow compensated (load sensing) |