Abell-Howe Base Mounted Jib Crane

The Abell-Howe J-904B Series was developed to be an all purpose jib for heavy duty industrial applications.

Features

Capacities

  • 1/4 Ton to 10 Tons
  • Boom Lengths up to 30 ft. on select capacities.
  • Under Boom Height from 8 to 30 ft.

Specifications

  • 360 Degree Rotation on a Tapered Roller bearing providing full capacity vertical and radial thrust loading.
  • Lower section of the head revolves around the pillar on a pair of steel rollers equipped with self-aligning roller bearings.
  • Large diameter base plate is reinforced with heavy steel gussets for
    continuous alignment and rigidity.
  • Anti Lift-off Device.
  • Bottom roller assembly can be shimmed for boom leveling.
  • End stops at both ends of the boom to limit trolley travel.

Component Material

  • Mast – Fabricated from heavy wall structural steel
    pipe with wall thickness sized to minimize deflection.
  • Boom – W-beam section.
  • Head section – Rigid steel plate box type with welded
    construction for minimum deflection between boom and mast.

Optional Accessories

  • Top or bottom entry air swivel or electric collector rings on most models.
  • Rotational stops.
  • Anchor Bolts with template.
  • Wind or Position Lock.
  • Galvanized Jib Crane
  • Spark-resistant and/or Explosion proof construction for hazardous locations.
  • Manual safety switch.
  • Messenger wire assembly
  • Electric, Air or Hand geared rotation.

 

J-904B Specifications

Diagram

Electric Collector
(Optional)

Air Swivel
(Optional)

Tagline Assembly Kit
(Optional)

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