DHR 6H DHR 6H is a rugged, hydraulically powered rotary unit for any type of down the hole (DTH) surface applications Hole diameter: 92 mm - 203 mm3.62 inch - 7.99 inch Max. rotation: 54 - 136 rpm Application: For surface applications Input system: Hydraulic Show more
DHR 6RC DHR 6RC is a rugged, hydraulically powered rotary unit with reverse circulation Hole diameter: 92 mm - 203 mm3.62 inch - 7.99 inch Max. rotation: 54 - 68 rpm Application: For surface applications Input system: Hydraulic Show more
DHR 6HU DHR 6HU is a rugged, hydraulically powered rotary unit for underground applications Hole diameter: 92 mm - 203 mm3.62 inch - 7.99 inch Max. rotation: 68 - 107 rpm Application: For underground applications Input system: Hydraulic Show more
DHR 6W DHR 6W is a rugged, hydraulically powered rotary unit designed for use with water powered down the hole (DTH) hammers in underground drilling applications. Hole diameter: 92 mm - 203 mm3.62 inch - 7.99 inch Max. rotation: 68 - 107 rpm Application: For underground applications Input system: Hydraulic Show more
DHR 45H DHR 45 is a rugged rotary unit for any type of down the hole (DTH) hammer Hole diameter: 76 mm - 102 mm2.99 inch - 4.01 inch Max. rotation: 80 rpm Application: For both surface and underground applications Input system: Hydraulic Show more
