COMBI 500 HD | A. HØJFELDT A.S.
| The new Combi 500 HD is equipped with a Tier 4 Final dieselengine of 305 kW (415 pk) at 2100 rpm. It’s one of the first drilling rigs in Europe which is equipped with a Tier 4 Final dieselengine.
The connection between A. Højfeldt and Conrad goes back decades. From the 1970’s with a Combi 71 and Comax 800 until a Comax 1000 in 2011. Now a Combi 500 HD has been added to this list. A cooperation which we are proud of.
The new Combi 500 HD is equipped with a Tier 4 Final dieselengine of 305 kW (415 pk) at 2100 rpm. It’s one of the first drilling rigs in Europe which is equipped with a Tier 4 Final dieselengine. The rig is equipped with the Straight flush, reverse circulation, RC with airlift and percussion drilling systems.
Another striking characteristic of this rig is the rotary table with a max. thrupass of 520 mm. This detachable unit has a torque of 5.000 kgm and a pulling force of approx. 25.000 daN.
Furthermore this highly automated rig features a turntable in the undercarriage, an electronically controlled depth measuring winch, a rotating telescopic winch arm, a 11 kVa generator, etc.