DHPP - Open Frame

Open frame hydraulic power packs

The Markleen DHPP 4.5, DHPP 7.5 and DHPP 20 are small, mobile, diesel-driven hydraulic power packs for marine applications.  They are ideal for running equipment such as boom reels, skimmers, pumps and air compressors

Technical Specifications

ModelDHPP 4.5DHPP 7.5DHPP 20
Operating principleOpen circuit, constant flowOpen circuit, constant flowOpen circuit, constant flow
EngineLombardini 15LD350S, single-cylinder, 4-stroke air-cooled diesel engine with recoil startLombardini 15LD400 single-cylinder 4-stroke air-cooled diesel engine with recoil start (electric start optional)Lombardini 9LD626-2 two-cylinder 4-stroke water-cooled diesel engine with electric start
Max. rated power [kW]4.4 @ 3000 rpm7.3 @ 3600 rpm20 @ 3000 20 @ 3000 rpm
Hydraulic pumpFixed displacement gear pumpFixed displacement gear pumpFixed displacement gear pump
Max. hydraulic output [l/min]14 @ 170 bar24 @ 150 barFixed 52 @ 200 bar
Number of hydraulic circuits211
FrameStainless steel tubeStainless steel tubeStainless steel tube
Fuel tank [l]4.5, included with Lombardini engine5, included with Lombardini engine10, included with Lombardini engine
Hydraulic oil tank [l]25, stainless steel50, stainless steel85, stainless steel
Hydraulic couplings (*) (1 circuit)Pressure: ½” male coupling

Return: ½” female coupling

Drain: ¼” female coupling
Pressure: ½” male coupling

Return: ½” female coupling

Drain: ¼” female coupling
Pressure: ¾” male coupling

Return: ¾” female coupling

Drain: ⅜” female coupling
ControlsAcceleratorAcceleratorHydraulic by-pass valve for start-up and decompression. Safety valve for excess hydraulic oil pressure. Accelerator - Ignition key
GaugesPressure

Hydraulic oil level and temperature

Fuel level
Pressure

Hydraulic oil level and temperature

Fuel level
Pressure

Hydraulic oil level and temperature
Handling and transport4 hoist points

Easily moved with forklift
4 hoist points

2 wheels

Easily moved with forklift
4 hoist points

Easily moved with forklift

Wheels optional
Measurements (l x w x h) [mm]840 x 460 x 615900 x 500 x 6001190 x 850 x 1022
Weight [kg]66.5 dry (53 power pack assembly + 13.5 oil tank), 91.5 with full tanks122 dry, 171 with full tanks195 dry, 275 with full tanks
Properties
  • Compact design
  • Robust & corrosion resistant
  • Stainless steel frame
  • Hydraulic oil tank
  • Easy to transport

Open frame hydraulic power packs

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