ID: L02805


Quantity: 1



Good Used


Joy, Komatsu


Shaft Muckers & Jumbos

SKU: L02805 Categories: ,


Joy SJ255H Hydraulic Shaft 2 Boom Jumbo, Year 2020, SJ5500 Booms, Montabert HC110CS with RPH Drifters. Equip yourself with the gold standard.


Manufacture & Design

  • Joy (Komatsu) Two Boom Hydraulic Shaft Jumbo
  • Model #: SJ-255H
  • Year: 2020


Components & Inclusions:

Shaft Cage

  • Cage Assembly – SJ-255H Standard Design (Lifting Safety Factor of 8)
  • Hydraulic System – self contained
  • Manual Hydraulic Oil Transfer System

Electrical (380 to 575V-3Phase 50 or 60 Hz)

  • Two (2) only 75 kW (100 HP) main electric motor
  • Lubricator for front head using mine air
  • Main electrical panel including: hour meter, ammeter and all annunciation systems
  • Manual sequential motor starting panel adjacent to the operator c/w emergency stop button for system shutdown
  • Safety shutdowns monitor low oil level and high oil temp., low water and air pressure
  • Electric wiring is fire retardant
  • Electric wiring separated from hydraulics

Boom / Feed / Drill / Controls

  • Two (2) only SJ5500 Boom – auto parallel drill boom of XY movement configuration c/w 360° rotation, 1,520 mm (60 inch) boom extension
  • Feed automatics to return the drill to the collaring position following hole completion
  • Automatic collaring to control and prevent rods from sticking in bad ground
  • Two (2) only feed mounted pilot hydraulic Operator Control Panels for shaft floor operation
  • Two (2) only Intelsense Control Systems incorporating these features:
    • Automatic Collaring
    • Anti Jamming
    • Automatic Water Monitoring with feed return should low volume or pressure be encountered
    • Auto Return to Start Position following hole completion
    • Control Levers for operating percussion, rotation and feed control


  • Two (2) only Montabert HC110 CS with RPH drifters incorporating energy recuperation system
  • 15 kW (20 HP) Booster Water Pump
  • Manuals