Spraying area

Spraying reach


The SPM 4210 WETKRET series is ideal for small and medium section tunnels and galleries. Its spraying arm provides 10 m spraying reach. The dual cable and wireless proportional remote control permits easy handling of the arm movements, besides regulation of the concrete flow of 20 m3/h and adjustment of the additive dosage.

The standard version of the SPM 4210 WETKRET series is operated electrically and is optionally available with an electric or diesel air compressor built into the chassis

The Putzmeister concrete pump mounted on the equipment guarantees high performance, low pulsations and a long life for the wear parts. The proportional remote control permits full regulation of the concrete output as well as adjustments to the predefined additive dosage, to cope with the changing working conditions in underground mines. The synchronized additive pump is equipped with an automatic dosing device proportional to the concrete flow, thereby assuring spraying accuracy and quality. The heavy-duty chassis with state-of-the-art axles and a reinforced turning system provide great maneuverability.

Технически характеристики
Length 7.100 mm
Width 2.000 mm
Height 2.500 mm
Ground clearance 300 mm
Distance between axles 3.835 mm
Max. longitudinal gradient while driving 0,35
Max. transversal gradient while driving 0,1
Inner turning radius 3.950 mm
Outer turning radius 6.650 mm
Weight 9.500 kg / 8.850 kg without compressor
Putzmeister telescopic spraying arm SA 10.1
Maximum spraying reach vertical 10 m
Maximum spraying reach horizontal 8 m
Minimum unfolding section vertical 2,5 m
Minimum unfolding section horizontal 3,3 m
Number of arm extensions 4 sections (3 telescopic), proportional hydraulic drive
Telescopic stroke 4 m
Number of axles / degress of freedom 6
Maximum arm angle +65º / -40º
Lights 2 Xenon 24 V 45 W spotlights
Spraying head
Rotation 360º
Inclination +120º / -120º
Nutation 10º
Nozzle DN40
Putzmeister proportional remote control
Drive Electric, dual use (radio/cable)
Cable length 20 m
Putzmeister concrete pump PM 1507
Type Double-piston, hydraulic drive
Máx. flow (theor.) 20 m3/h (variable 4 – 20 m3/h)
Transport cylinder diameter 150 mm
Max. pressure (theor.) on concrete 65 bar
Max. aggregate size 16 mm
Automatic lubrication system
Full hopper capacity 250 l
Filling height 1.300 mm
Spotlight 24 V / 70 W
Pumping and spraying drive system
Electric 37 kW
Diesel (DUAL DRIVE version*) Carrier Diesel engine
* Dual drive system (Electric / Diesel)
Additive pump synchronized with concrete pumping
Adjustment range 60 – 500 l/h
Maximum working pressure 10,5 bar
Additive tank 400 l
Control system PLC
High pressure water pump for cleaning
Max. pressure 140 bar
Flow 10,8 l/min
Hose 15 m
Cable reel
Operation Manual
Cable length 50 m
Power at 400 V 50 Hz or at 440 V 60 Hz
Diameter 900 mm
Engine Turbodiesel, 4 cylinders
Engine power 55 kW (74 HP) at 2.600 rpm
Engine emissions According to EU-Stage III A / EPA-Tier 3
Transmission Hydrostatic
Gearbox 2-speed in both directions
Steering Hydraulic, articulated steering
Traction 4 WD
Speed Max. 20 km/h
Breaking system Service brakes: on both axles, multi-disc in oil bath. Parking brake: on both axles, internal SAHR discs (negative)
Working lights 4 x 24 V ,25 W LED spotlights
Driver cabin FOPS/ROPS certified. Adjustable driver`s seat with mechanical suspension and safety belt
Oil tank 70 l
Electrical equipment 2 batteries, 12 V / 70 A
Diesel tank 65 l
Optional equipment
Alternative engine
Engine Turbo Diesel, 4 cylinders
Power 72 kW (97 HP) at 2.500 rpm
Engine emissions In accordance with EU-Stage II / EPA-Tier 2
AAC system Automatic altitude compensation
Electric Compressor
Power 37 KW
Max. working pressure 7,5 bar
Max. air flow 6,5 m3/min
Diesel Compressor (dual drive version)
Power 55 kW
Max. working pressure 7,0 bar
Max. air flow 6,5 m3/min
Fire extinguishing system
Drive Automatic / Manual
Wheels for mining, Michelin
Catalytic converter (Standard on dual drive version)
Particle filter
Special low-profile hopper (1.150 mm)
Additional 50 m of cable (total 100 m)
Cable reel, hydraulic operation
Tramming direction lights
Special voltages
Power at 660 V 50/60 Hz or at 1.000 V 50/60 Hz
Maximum theoretical values listed.
Specifications subject to change without prior notice.
Photos and drawings are for illustrative purposes only.
For available options, please consult the factory.