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Rotary hydraulic drive system KRX 140
for drilling rigs

Rotary hydraulic drive system - KRX 140 - KEMROC Spezialmaschinen GmbH - for drilling rigs
Rotary hydraulic drive system - KRX 140 - KEMROC Spezialmaschinen GmbH - for drilling rigs
Rotary hydraulic drive system - KRX 140 - KEMROC Spezialmaschinen GmbH - for drilling rigs - image - 2
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Characteristics

Type
rotary
Applications
for drilling rigs

Description

Overview
  • The KRX 140 is a hydraulic powertool drive unit for milling and drilling attachments, designed for heavy-duty excavation, road milling and trenching operations.


Technical data
  • Model: KRX 140
  • Rated power: 140 kW (190 hp)
  • Torque at 380 bar: 36,400 Nm (26,800 lbf·ft)
  • Max. operating pressure: 400 bar (5,800 psi)
  • Max. idle oil flow: 390 l/min (103 gal/min)
  • Recommended idle oil flow: 280–370 l/min (74–98 gal/min) — alternate spec: 220–350 l/min (58–92 gal/min)
  • Recommended idle rpm: 60 rpm
  • Hex connection (standard): 160 mm (6 in)
  • Standard hole pattern: LB30


Performance & compatibility
  • Recommended carrier weight: 30–50 t (65K–110K lb)
  • Cutting force at 380 bar: 132.3 kN (29,700 lbf)
  • Max. uniaxial compressive strength of ground: 60 MPa (8,702 psi)
  • Pick box type: PH 32HD — number of picks: 30 pcs
  • Standard pick (round shaft): 19/75/70/30 Q type — Standard pick (dragon tooth): DT 22/90/70/30 HQ type


Cutter head and drilling
  • Standard cutter head length: 450 mm (18 in) — diameter: 550 mm (21.7 in)
  • Max. drill diameter: 1,500 mm (59 in) — Min. drill diameter: 270 mm (11 in)
  • Max. drilling depth at max. diameter: 4,000 mm (158 in)
  • Max. drilling depth at min. diameter (270 mm): 8,000 mm (315 in)


Dimensions & weights
  • Length of drive unit: 875 mm (34 in)
  • Weight without attachment: 900 kg (1,984 lb)
  • Weight of milling attachment: 195 kg (430 lbs)
  • Total weight: 1,095 kg (2,414 lbs)


Applications
  • Suitable for in-situ milling, road surface removal, trenching, soft rock cutting and preparatory drilling for anchors and utilities.


Installation & maintenance
  • Standard mount: LB30 hole pattern with 160 mm hex connection.
  • Recommended hydraulic supply and filtration according to carrier manufacturer; observe recommended idle oil flow and rpm for tool life.
  • Pick replacement: PH 32HD pick box compatible with listed pick types; keep spare picks for continuous operation.


Ordering information
  • Standard configuration: KRX 140 drive unit with standard cutter head (450 x 550 mm) and PH 32HD pick box.
  • Options: alternative cutter heads, pick types and drill adapters to meet specific drilling diameters and depths.

Other KEMROC Spezialmaschinen GmbH products

KRX Powertool drives

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.