DELTA SL UB Electric StackerDELTA-SL-UB-Electric-Stacker

DELTA SL UB Electric Stacker



DELTA  is the most concrete answer to the requirements of power, ergonomics and safety within the movement sector, representing the ideal solution for intensive works involving the movement of goods on pallets in medium-sized/large environments.
Designed and manufactured to ensure excellent performance even at elevated heights, DELTA  is able to offer high residual capacities up to heights of 3.5 metres.

DELTA E is the version with extruded mast; thanks to the use of special steel profiles it is possible to ensure even better performance mainly with special or heavy loads. Robustness and effectiveness over time!

DELTA  UB has an operator footboard, allowing a considerable reduction of the necessary time to cover aisles as well as reducing fatigue. Even greater efficiency in the movement of goods!

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Thanks to the solidity of the structure, it is possible to move in total safety conditions, loads of up to 1500 kg with excellent residual capacities at heights of up to 3500 mm, and yet ensuring reduced dimensions and good visibility from the driving position at all times.


The use of 24V traction batteries with a capacity of up to 270Ah, gives great autonomy to the lift truck, thanks to which it is possible to use it intensively for many consecutive hours. With the integrated battery charger, it is possible to recharge the battery by connecting it directly to the 220V power line.


The choice of special steel profiles when manufacturing masts (Delta E) ensures excellent performance for machines used for the continuous movement of heavy goods or equipped with specific hydraulic tools for moving special loads.


In the person on board version, the operator can work directly on the appropriate footboard, with the possibility of being protected at the sides by a pair of special boards, thus obtaining efficiency and safety in a single solution.


Thanks to the innovative DR EVO driving system, the operator can benefit from maximum drivability, manoeuvrability and safety ensured by the new steering arm that has been entirely designed by ARMANNI R&D team, and which integrates the new “turtle” function and the two-speed ascent/descent control system.

The structure with 5 contact points flanked by the specific damper system ensures the perfect grip between the driving wheel and the floor, even when there is unevenness or extreme ruggedness.


Maintenance operations are facilitated by the simple opening system of the bodywork, which allows entering the machine body without obstacles, and by the possibility of immediately identifying failures through “check-up LEDs”.



For ARMANNI, the safety of operators is the main requirement when designing machines; structural calculations and simulation programmes lead to the creation of highly resistant frames in order to ensure maximum safety even with full load.

The complete safety equipment also includes regular safety fairing, mast mesh guards and emergency buttons, as well as specific safety systems such as:

integrated in the rudder head, this device has been designed to avoid operator crushing regardless of his/her position and build.


this avoids the accidental activation of the start-up controls; thus, the lift truck can only be activated when the operator is in the driving position guaranteed by a minimum angle of inclination of the rudder with respect to the vertical axis;

by simply pressing one button, it is possible to reduce speed by 80% in order to work in total safety conditions even in narrow spaces or with delicate loads.


  • 24V 30A electronic battery charger with microprocessor.
  • Traction battery.
  • Electromagnetic parking brake.
  • AC three-phase technology traction motors 24V maintenance-free.
  • Elctronic plant 24V
  • Controller with mosfet
  • technology complete with inverter and microprocessor fault research.
  • Regenerative braking with consuption reduction and temperature control of the traction motor.
  • Automatic speed reduction.
  • Acoustic warning button.
  • Exhausted battery warning indicator.
  • 1150mm-long fixed forks.
  • Safety systems.
  • Oscillating double front rollers.
  • Stabilising wheels with extra-heavy castors.
  • Shock absorber on driving wheels.
  • 200 mm free lift.



Customisation of machines with superior equipment and accessories such as adjustable forks, pole for rolls, equipment for rotating and tilting loads, hydraulic distributors with several ways, mechanisms for fast battery change, foldable footboard, etc.
Design of special structures and frames with customised size legs, masts for custom-made heights, reinforced structures, stainless steel or galvanised parts for special working environments.