Nilfisk MH 4M PA/PAX




Nilfisk MH 4M


The Nilfisk MH 4M series takes mid-range hot water high pressure washers to a new level, meeting the latest productivity demands in the market.


Nilfisk MH 4M


Nilfisk MH 4M is equipped with our industrial NA5 pump with 3 ceramic pistons and a high efficiency 4 pole motor. The flow activated control system improves user comfort and handling as well as overall machine reliability.

The MH 4M is suited for all hot water slightly heavier cleaning applications up to 4-6 hours use per day and due to the improved fuel saving EcoPower boiler system it offers very high efficiency and quick cleaning.

Service and maintenance can be carried out quickly, as all vital parts are easy to inspect and reach. The diagnostics function of the 4M will give maintenance warnings to minimise any downtime.

The concept ensures the most optimal transport concept across a wide variety of surface types with the 4 large wheels and great balance.

Optimal accessory storage facilities with double lance holders, turnable hook for easy removal or winding of electrical cable, innovative spray gun holder and easy storage of detergent tanks.


Key Facts:


  • High efficiency 4 pole motors
    • EcoPower boiler with EcoMode function
    • Brass pump head 3 ceramic pistons
    • Pressure activated unloader system
    • Innovative design with 4 big wheels
    • Easy to transport, can even be pushed/pulled across uneven surfaces
    • Flow activated unloader system
    • Oil tank and oil sight
    • Low pump oil warning system
    • Low fuel warning system
    • Onboard diagnostics function




Nilfisk MH 4M       Nilfisk MH 4M




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Nilfisk MH 4M

Product details Model No. 107146910
Weight (kg) 138
Length x width x height (mm) 1010x700x1016
Fuel tank (l) 15
Pump pressure (bar/MPa) 100/10
Cleaning impact (kg/force) 2.5
Water flow Qmax/Qiec (l/h) 680/630
Max. inlet temperature (°C) 40
Water temperature (water/steam) (°C) 90/150
Power consumption (kW) 2.9
Voltage/phase/frequency/current (V/~/Hz/A) 230/1/50/13
Fuel consumption at ΔT=45°C (kg/h) 2.8
El cable (m) 5
Detergent tank (l) A: 10 + B:
Nozzle size .0475
Ceramic pistons 3
Pump (RPM) 1450
Recommended avg. hours of use per day 5
Detergent tank X
Full ceramic pistons X
Single-phase X
Three phase Not applicable
Silent Power – 1450 rpm motor X
Quick Service – innovative concept X
Ergo accessory system x
Hose reel Not applicable
Wdk dual detergent injector X
Pump oil warning system X
Service indicator X
Parking brake X
Brass cylinder head X
Fuel tank X
Delayed automatic start stop X
2 x detergent injector X
High presure detergent system X
Water flow regulation X
Water break tank X
Flame sensor x
Spray Gun Holder X
Cable Hook, turnable X
Motor on-off lamp X
Transportable by forklift truck X
Detergent tank 10 ltr. X
Fuel tank 15 ltr. X


Weight 138 kg
Dimensions 1010 × 700 × 1016 cm
Machine Variation

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