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HK HYDRAULIK-KONTOR

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Hydraulic Systems and Components for Mining and Drilling Machinery

HK HYDRAULIK-KONTOR is a specialised supplier of hydraulic components for drilling equipment and machinery in the mining industry.

Address
Gerlingweg 86,
D- 25335 Elmshorn / Hamburg,
Germany
Phone
Fax Number
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HK Hydraulik‑Kontor GmbH combines deep engineering expertise, broad distribution relationships and extensive stock to deliver fast, reliable hydraulic solutions for mobile and industrial applications. As a Bosch Rexroth system integrator since 2016, HK supports OEMs in selecting the right components and configuring complete systems. Its significant product inventory—including A10V axial piston pumps available from standard‑type stock—enables short delivery times across pumps, motors and valves. As a Bosch Rexroth M4 Valve Logistic partner, HK can supply M4‑12 valves within two to three weeks.

Comprehensive product and service offering

HK’s core focus is hydraulic equipment for mobile use. The company supplies axial and radial piston pumps and motors (fixed and variable, for open and closed‑loop systems) from leading manufacturers such as Bosch Rexroth (A10V), Kawasaki (K3VL/K3VG), Brevini (H1C/HCV/SH6V) and Eaton, and maintains a very large stock to enable rapid delivery. Orbit motors for drilling heads, planetary gearboxes (assembled from a modular stock system), filters and coolers are also available. HK is the German distributor for a wide range of European brands—Kawasaki Precision Machinery, Staffa, Jtekt‑HPI, Duplomatic, TMA, OMT, BLB, ASA, Heypac and Oleostar—and represents North American suppliers including TWG and Pullmaster.

Design, configuration and power units

HK’s engineers design hydraulic components, power packs and complete power units tailored to customer requirements. The company builds customised power units quickly because most standard power‑pack parts (including tanks up to 400 l with AC motors) are kept in stock. Mini and micro power packs with gear pumps, AC/DC motors and tanks up to 15 l can be assembled rapidly using modular systems from Jtekt‑HPI, offering flexibility in pump, motor and valve selection.

Cylinders, winches and specialised components

In addition to drive technology, HK supplies hydraulic winches—Pullmaster (TWG/Canada) and TMA (Italy)—for rig drilling, crane and customised applications, including controlled free‑fall and marine‑coated options. The company also offers hydraulic cylinders (standard and custom) and a wide portfolio of system components, from valve blocks and accumulators to planetary gears, hose reels and butterfly flanges.

Customised power units.
Planetary winches for lifting and pulling, with fast forward or free-fall function.
Variable axial piston pumps: open or closed loop with different controls.

Rapid repairs and deep test capability

HK specialises in pump and motor repairs across major European manufacturers. Both HK facilities are equipped with test benches capable of 250 kW and include diesel engine generator systems, enabling professional, fast refurbishment. More than 30 years’ experience with piston pump manufacturers supports expert repair work and spare‑parts turnaround. HK keeps extensive spare‑parts stocks for many series, including Rexroth (A10V, A4V, A6V, A2V), Kawasaki (K3VL/K3VG), Hydrokraft (PVG, PVXS), Vickers, Danfoss/Sauer, Linde, Brevini and others—so replacements and overhauls can be completed without long delays.

Specialised applications and industry experience

HK serves demanding industries such as mining, drilling, cement, ore and coal processing, vehicle construction, press technology and agricultural engineering. Typical applications include drilling heads, loader vehicles, roadheaders, granulate and roll presses, vertical mills and material handling systems. The company supplies winches and drive systems for lifting and pulling, auxiliary cranes and mining equipment, and provides spare parts and repair services worldwide.

Supply chain strength and customer support

HK’s large warehouse, global supplier partnerships and engineering resources enable fast configuration, delivery and after‑sales support. As a system integrator, HK helps OEMs choose the correct products, design system layouts and manage short delivery times for both stocked components and configured assemblies. Their modular gearbox and power‑unit approaches offer high flexibility in shaft and flange options and a wide performance range to match customer needs.

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Address
HK HYDRAULIK-KONTOR GmbH
Gerlingweg 86
D- 25335 Elmshorn / Hamburg
Germany

Address
Polish Office
HK HYDRULIKA-SILOWA-POLSKA Sp zoo
Strachocin 55
PL-73-110 Stargard Szczecinski
Poland

Phone
Fax Number
Address
Unterbreizbach Office
HK HYDRAULIK-KONTOR GmbH
An der Distelliete 1
D- 36414 Unterbreizbach
Germany