T858 COMMANDER® 3

Offset Track Trencher with Optional Features

Trencher attachment

Trench up against guardrails, buildings, walls and other obstacles with the T858 offset track trencher. Powered by a 350 hp/261 kW Caterpillar C9 Tier 3 engine, it’s loaded with features that help improve efficiency on most jobsites.

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T858 COMMANDER® 3

Offset Track Trencher with Optional Features

T855 Commander 3

Trencher attachment

T858 Commander 3

Trencher attachment

Remove spoils more efficiently using the well-designed conveyor.
Trench more efficiently with less chain wear due to its low-speed, high-torque, splined headshaft motor and variable chain speed.
Improve job monitoring between the Murphy PowerView system and the exclusive Vermeer TEC 2000® Electronic Control System.
Enhance visibility and productivity with an enclosed cab that elevates the operator 3’/.9 m.
Increase operator safety thanks to the industry’s first Rollover Protective Structure (ROPS).
Vermeer Vantage Track Extended Care Service Program offers an optional 3-year/3,000-hour or 5-year/5,000-hour warranty on the components of the closed loop hydrostatic systems.
See your Vermeer dealer for comprehensive service and genuine Vermeer replacement parts.

Download Specs

T858 COMMANDER® 3

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Transport Dimensions

Approach Angle	17 deg
Height Range	132 " (335.3 cm)
Length with 40" (101.6 cm) End Idler and 6 ft (1.83 m) Boom	39.6'	12.1 m
Length with 40" (101.6 cm) End Idler and 8 ft (2.44 m) Boom	41.8'	12.7 m
Weight Range	70,000 lbs - 98,000 lbs (31,751 kg - 44,452 kg)
Width Ranges	100 " - 104 " (254 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	280 gal	1059.9 L
Operating Range	15.3 hours
Fuel Consumption at Full Load	18.3 gph	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
Horsepower at Maximum RPM (Gross)	350 hp	261 kw

Tracks

Auto Self Level	Yes
Ground Pressure Minimum	11.8 psi	81.4 kPa
Ground Pressure Maximum	15.7 psi	108.2 kPa
Tilt Track Available	Yes
Tilt Track Max Angle	9 degrees or 12 degrees
Track Drive Type	Dual path hydrostatic with planetary transmission
Track Length	147.2"	373.9 cm
Track Pad Type	Single, double, or triple grouser
Track Pad Width Ranges	20 " or 24 " (50.8 cm 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	24"	61 cm
Conveyor Belt Speed Range	0 - 1122 fpm (0 - 342 m/min)
Conveyor Belt Style	Cleat or finger type
Conveyor Length	86 " (21.8 cm)
Conveyor Shift Available	Yes
Conveyor Shift Distance Range	14 " (35.6 cm)
Conveyor Style	Flat
Discharge Direction	Right or left
Discharge Height Range	72 " (182.9 cm)

Attachments

Trencher	Yes
Terrain Leveler	No
Rockwheel	No
Bucket Wheel	No

Cab

Cab	Yes
Control System	TEC 2000.2
Air Conditioner/Heater	Yes
Air Suspension Seat	No
AM/FM Stereo with Weather Band	Optional
Elevating	Yes
Pressurized/Filtered Air	Yes
Roll Over Module (ROM)	Yes

Hydraulic System

Oil Tank Capacity	225 gal	851.7 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	114.3 L/min
Pump Type	Pressure and flow compensated (load sensing)

Large Trencher T858 Commander 3 Trencher Attachment

Cut clean trenches.

Attachments

Boom Depth Options	6 ' or 8 ' (1.8 m or 2.4 m)
Sectionalized Boom	Optional
Boom Top Rollers	Optional
Minimum Chain Speed	361 ft/min	110 m/min
Maximum Chain Speed	529 ft/min	161.2 m/min
Cutting Width	14 ", 16 ", 18 ", 24 ", 26 ", or 30 " (35.6 cm, 40.6 cm, 45.7 cm, 61 cm, 66 cm, or 76.2 cm)
Digging Chain Size	4502, 5501, or 4501
Idler Diameter	40 " (101.6 cm)
Offset Range - Left of Center	32.5 " (82.5 cm)
Offset Range - Right of Center	32.5 " (82.5 cm)
Trencher Drive Type	Hydrostatic, two pumps and one motor
Maximum Digging Depth	96"	243.8 cm
Maximum Cutting Width	30"	76.2 cm