Products > Astec > Trenchers & Plows > Astec RT960

Astec RT960 Specifications

DIMENSIONS

 
  • Overall height – prime mover (to top of muffler) .................................. 115.7” (2.93 m)
  • Overall length – prime mover .................................................................... 128.3” (3.28 m)
  • Overall transport length w/backhoe and trencher w/4’ (1.22 m) boom ............... 275.0” (6.98 m)
  • Angle of approach – prime mover ................................................................................. 58°
  • Angle of departure – prime mover................................................................................. 60°
  • Minimum ground clearance – (axle to ground) ...................................... 12.4” (315 mm)
  • Minimum ground clearance w/backfill blade ........................................ 11.2” (284 mm)

  • Wheelbase........................................................................................................ 76.8” (1.95 m)
  • Height to centerline of trencher headshaft .............................................. 29.8” (756 mm)
  •  Angle of departure with trencher attachment .............................................................. 34°
  • Trencher boom angle down from horizontal ................................................................ 65°
  • Trencher boom angle up from horizontal...................................................................... 50°
  •  Backhoe transport height............................................................................. 117.2” (2.97 m)
  •  Backfill blade height .................................................................................... 16.1” (410 mm)
  •  Backfill blade lift height .............................................................................. 19.1” (484 mm)
  •  Backfill blade depth of cut below grade....................................................... 3.1” (78 mm)
  • Transport height, plow frame base tractor......................................................... 91.5” (2.32 m)
  • Center of rear wheel to rear of plow with chute in ground .......................... 114.1” (2.90 m)
  • Plow swing angle.................................................................................................. 25°
  • Plow offset from centerline ................................................................................... 32” (813 mm)

  • Angle of departure base tractor/plow attachment raised:
  • w/30” (762 mm) mounted blade .................................................................................... 26°
  • w/o mounted blade.......................................................................................................... 30°
  • Plow blade tip ground clearance base tractor:
  • w/30” (762 mm) mounted blade............................................................... 28.4” (721 mm)
  • Overall width base tractor .................................................................................... 85.8” (2.18 m)
  • Overall width w/optional tires ........................................................................... 85.8” (2.18 m)
  • Tread width (centerlines) base tractor ................................................................ 68.1” (1.73 m)
  • Turning radius (outside) base tractor – 4-wheel steer............................ Left – 129” (3.27 m)
  • Right – 129” (3.27 m)
  • Operating weight ......................................................................................... 12,700 lb (5760 kg)*
*Operating weight of RT960 — Equipped with rear trencher, 4’ (1.22 m) 110K rock boom, 110K chain and standard teeth, backfill
 

ENGINE

  • Model .................................. 4T390 Cummins
  • Type .............. 4-stroke, turbocharged
  • Cylinders............................................ 4
  • Bore/Stroke ................... 4.02” x 4.72” (102 x 120 mm)
  • Displacement ............... 239 in3 (3.9 L)
  • Fuel injection............................. Direct
  • Fuel............................................. Diesel
  • Fuel filter.................... In-line strainer & spin-on cartridge
  • Air intake .......................... Cross-flow
  • Cooling ..................................... Liquid
  • Horsepower
  • Gross......... 99 (74 kW) @ 2200 rpm
  • Net ............ 91 (68 kW) @ 2200 rpm
  • Maximum torque
  • Gross................. 298 lb·ft (404 N·m) @ 1500 rpm


ENGINE COOLING

  •  Radiator
  • Core size area....... 415 in2 (.268 m2)
  • Rows of tubes ................................ 5
  •  Fan w/standard transmission
  • Style ........................ 7 blade suction
  • Diameter ................ 20.4” (518 mm)
  • Ratio .......................................... 1.1:1
  •  Water pump
  • Style ..................................... Integral
  •  Engine oil
  • Pump....... Deep sump plate cooler with pressurized nozzles under-piston
  • Pump operating angle ratings
  • Side-to-side.................. Rated 45°
  • Fore and aft ................. Rated 45°
  • Oil filtration ............... Replaceable, full-flow cartridge

POWERTRAIN

  • Transmission .... 4-speed Hydra-shift with constant gear mesh
  • Drive .......................Hydrostatic 4WD variable displacement axial-piston pump 0 – 46.5 gpm (0-176 L/min)
  • U-joints .................. Constant velocity
  • Axle ratio.................................... 19.2:1
  • Planetaries ................. 6:1 – Outboard
  • Differentials ..... Electrically actuated
  • Steering .................. 2W, 4W and crab
  • Axle oscillation .............................. 20°
  • Service brakes................. Hydrostatic
  • Parking brake........... Internal, SAHR multi-disc
  • Travel speeds
  • 1st.................... 1.4 mph (2.2 km/h)
  • 2nd.................. 2.9 mph (4.7 km/h)
  • 3rd................... 5.0 mph (8.1 km/h)
  • 4th............... 10.5 mph (16.8 km/h)

NOTE: Rated speeds in forward and reverse.

 

TIRES 

  • 38 x 18.00-20, 10 PR
  • 38 x 18.00-20, 12 PR (heavy-duty)

SERVICE CAPACITIES

  • Fuel tank......................... 25 gal (95 L)
  • Cooling system.......... 18.2 qt (17.2 L)
  • Engine with oil filter.... 11.6 qt (11 L)
  • Hydraulic reservoir ... 20 gal (75.7 L)
  • Total hydraulic ........... 22 gal (83.3 L)
  • Transmission..................... 9 qt (8.5 L)
  • Axle center (each) ............ 9.5 qt (9 L)
  • Planetaries (each) ............. 1.1 qt (1 L)
  • Trencher planetary drive .............. 1.5 qt (1.4 L)
  • Hydra-Borer® System...... 1.0 qt (0.9 L)

  

HYDRAULICS

  • Ground drive pump............. 46.5 gpm (176 L/min)
  • Attachment drive pump...... 46.5 gpm (176 L/min)
  • Steering pump .... 7.1 gpm (27 L/min)
  • Accessory pump .....................11.4 gpm (43.3 L/min)
  • Filtration:
  • Full-flow spin-on cartridges
  • Accessory return..................2 micron
  • Charge pump flow (2)........2 micron

NOTE: Pump capacity rated @ 2385 engine rpm.

ELECTRICAL SYSTEM

  • Voltage..... 12 volts, negative ground
  • Alternator................................ 65 amp
  • Starter....................... 3.35 hp (2.5 kW)
  • Battery ....... 685 CCA@ 0°F (-17.7° C)

 

OPERATOR / ENVIRONMENT

  • ROPS
  • Left and right entry/exit
  • Unobstructed operator platform
  • Swivel seat w/seat belt
  • Key start
  • Hand and foot controls
  • Iso-mounted platform

INSTRUMENTATION

  • Engine coolant temperature gauge
  • Hydraulic oil temperature gauge
  • Fuel level indicator
  • Voltage meter
  • Engine oil pressure indicator
  • Tachometer/hourmeter
  • Hydraulic charge filter indicator
  • Hydraulic filter indicator
  • Air filter restriction indicator
  • Neutral indicator
  • Alternator light

  

 

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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