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Larmee Equipment & Supply Offers JD-1400E Rock Commander Drill

Larmee Equipment and Supply offers the JD-1400E Rock Commander, featuring:

  • Cummins QSC8.3-C diesel engine.
  • 260-hp @ 2200 rpm, Tier 3 diesel engine.
  • Japanese-Yamamoto YH80A Hydraulic Drifter set up for T51 speed rod, or it can be equipped with YH135 Drifter set up for T45 or T51 Speed Rod.
  • German Made Bosch Rexroth Variable Piston Hydraulics.
  • Onboard Ingersoll-Rand IR GHH-RAND model CF90LG3 – 400 cfm @ 150 psi @ 2200 rpm Air Compressor.
  • Doosan final drives.

There is no gear box, all items are direct drive. Here are the details of the two different drifters that are offered.

Hydraulic Drifter–Yamamoto YH80A, configured for T51:

  • MF Rod.
  • Impact Power: 22 hp (16.5 kW).
  • Rotation: 0 to max. 150 rpm.
  • Rotation Torque: 427 ft.-lb. (579 nm).
  • Number of Blows: 2,400 to 2,600 bpm.

Optional Hydraulic Drifter – Yamamoto YH135, configured for T45 or T51 – MF Rod:

  • Impact Power: 28 hp (21 kw).
  • Impact Frequency: 40 to 45 Hz.
  • Rotation: 0 to max. 120 rpm.
  • Rotation Torque: 868 ft.-lb. (1177 nm).
  • Number of Blows: 2,300 to 2,500 bpm.

Larmee Equipment & Supply,