HDX780 Hydra-Drive Extreme Riding Trowel

Allen's HDX780 comes with dedicated panning/finishing modes, digital readouts for accurate fuel levels and diagnostics, and a large 18-gallon fuel tank for longer run times.

January 29, 2020
Allen Engineering Corporation
Hdx780 Press 2
Allen Engineering Corp Logo 10720441

Allen Engineering's HDX780 Hydra-Drive Extreme Riding Trowel is designed for high volume flatwork concrete.

  • Dedicated panning/finishing modes
  • Digital readouts of fuel levels and diagnostics
  • 18-gal. fuel tank
  • Turbo charged 50-hp Hatz 4H50TIC liquid-cooled, Tier 4 Final diesel engine
  • Premium Bosch-Rexroth Hydraulic system
  • Intelli-drive system allows the engine and the hydraulics to communicate
  • Bi-ligual digital display shows engine diagnostics (temp, RPM, oil pressure, warnings, etc).
  • Electric (Joystick mounted) single or dual blade pitch controls
  • Rotor Speeds up to 130 rpm
  • Two point, top-mount lifting system
  • Four point tie downs
  • Twin, 60-in. rotors with five bladed spiders


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