Products > Astec > Trenchers & Plows > Astec TF300B

Benefits and Features

Features

  • 18 hp track mounted
  • Compact size (41" wide)
  • Excellent maneuverability turning within its own length
  • Rubber or steel tracks have low ground pressure
  • Rubber tracks will not damage asphalt or concrete
  • Low center of gravity provides outstanding stability
  • Single seat operation
  • Chassis with integral trencher
  • Hydraulic ground drive with sealed transmission
  • Control layout convenient to operator
  • Easy to operate
  • Low operating cost & very reliable
  • Trencher / backfill blade
  • 12 months parts and labor warranty coverage

Engine

  • Briggs (Vanguard)  (18.5 hp) air-cooled gas
  • Single stage remote air cleaner w/dust evacuator
  • 1-year engine warranty
  • Tip-up hood allows complete access to engine

Propulsion system

  • Hydraulic drive propulsion system has infinite speed control
  • Bi-directional from forward to reverse without clutching or shifting
  • Hydraulic pump connected to motor on 2-speed satellite gear box
  • Work (0-16 ft/mm) and transport (0-2 mph) ranges in both directions
  • Transmission is completely sealed and runs in oil
  • Positive engagement track drive and clutch brakes for steering
  • Sprockets on axles drive tracks (steel or rubber tracks)
  • Tracks provide low (3.2 psi) ground pressure
  • Tracks easily adjusted with grease cylinders

Brakes / Steering

  • Emergency / parking brake is hand actuated over-center design
  • Wet multi-disc clutches are located inside transmission housing
  • Individual controls are used to brake steer unit
  • Controls are relocated to operate unit seated forward or rearward

Hydraulic System

  • Hydraulic gear pump driven off end of engine crankshaft
  • Flow for propulsion, attachment lift and backfill / hydrabore
  • Hydraulic controls are located within easy reach of operator
  • Backfill blade control is located on blade console
  • Hydraulic fitter installed to maintain system cleanliness

Electrical System

  • 12-volt system
  • 35 amp alternator
  • Electric start
  • Amp meter to monitor charging system
  • Seat interlock circuit prevents operation when not seated

Attachments

  • Trencher attachment is an integral part of chassis
  • Weight of engine stabilizes trencher while digging
  • Shock loads from trenching arc away from operator's seat
  • Trencher driven mechanically through over-center slip clutch to protect drive components from shock loads
  • Clutch adjustment is easily made without hand tools
  • Engine torque is transmitted to clutch by a power-hand belt for a positive drive
  • Centerline, offset or flush dig trencher is chain driven
  • Trench boom lengths to attain 26" 40" 45" dig depth
  • Cutting width set-ups to trench 4" to 16" ditches
  • Sprocket or channel boom options with spring-loaded boom-end to withstand trenching shock loads
  • 2 and 4 pitch 38k chains can be fitted with cup teeth. Shark teeth or rock and frost.
  • Chainline tension is accomplished using adjusting bolt
  • Personnel safety restraint bar is standard
  • Mechanical crumber option is available
  • Spoil is delivered to lefthand side by open-end (18" diameter) auger
  • Chain drive split-sprocket makes replacement easy

4-way backfill blade attachment mounts to rear

  • Controls for lift and angle left / right on center console
  • Blade lift circuit has a float position
  • Blade lift height is 10"
  • Backfill blade angles 40 degrees right or left
  • Blade will cut 4" below grade
  • Blade offsets 18.5" outside edge of track when angled
  • Blade has weld-on replaceable cutting edge

 

Please contact Astec Underground at
9600 Corporate Park Drive | Loudon, TN 37774-5584
Phone (865) 408-2100 | Toll Free (800) 527-6020 | Fax (865) 458-8575

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