The WRTA-150 model, an automatic rotary tower as the ideal stretch wrapping solution for your unique needs.

Since the load remains stationary, the WRTA-150 is ideal for wrapping very light, very heavy, tall or unstable loads.

The WRTA-150 has no weight limit since the loads are right on the floor.


Production Rate

  • 50 loads per hour

Machine Dimensions

  • 165.5 " L x
  • 130 " W x
  • 117.5 " H

Maximum Load Size

  • 56 " L x
  • 56 " W x
  • 80 " H

Load Weight

  • Unlimited

Approximate Shipping Weight

  • 2500 lbs

Electrical Requirements

  • 120 V /
  • 1 ph /
  • 60 Hz
  • 15 A

Air Requirements

  • 3 cfm @
  • 80 psi


  • Allen Bradley Micro800 Series PLC
  • 24V control system
  • Current overload protection
  • NEMA 4/12 control cabinet (can be located up to 10' from machine frame)
  • Autoheight sensing photoeye
  • Power on/off switch and status light
  • Start/stop push button
  • Large emergency stop (push / pull type)
  • Manual carriage up/down function
  • Variable rotary arm speed (12RPM)
  • Separate up and down carriage speeds
  • Separate top and bottom wrap selectors
  • Reinforced wrap/manual rotation control
  • Positive arm alignment controlled by proximity sensor
  • Top cover pause switch (Splash proof program)
  • Spiral up or spiral up/down switch
  • Film force to load control
  • Emergency stop sensor for arm path obstruction
  • Mode switch (Manual or Automatic)
  • Pull cord with 40' of cable (to be installed by customer)
  • Separate station on front of tower with clamp jog and an additional e-stop
  • Lack of film alarm


  • Heavy duty structural steel construction
  • 10" Square tubing column
  • Floor mounting integrated design with 10 anchor points
  • Easy access to all components

Anchoring Requirements

  • Wulftec recommends using heavy-duty expansion shields of 3/4" diameter thread size with a minimum anchor depth of 4" in concrete. To be I-beam (6" to 8") mounted, there are 2 anchors at the bottom and also 2 bolts on the top of the machine frame.

Film Delivery System

  • 20" NO-THREAD® Powered Pre-Stretch Carriage
  • 1 HP AC motor with Allen Bradley variable frequency drive
  • Lifetime warranty on pre-stretch rollers blue compound
  • Film force release for easy pull at start and end of cycle
  • 50-400% pre-stretch ratio (preset to customer spec, Std 200%)
  • Electronic film tension control with analog sensor
  • Lexan roller cover for operator safety
  • Angled carriage to wrap approximately 2" from floor level
  • Proximity sensor on carriage gate to ensure gate is properly closed

Film Carriage Drive

  • 1 HP AC motor with Allen Bradley variable frequency drive
  • Two #50 carriage lifting chains
  • Dual 1/2" CRS ways with UHMW-PE carriage glides
  • Dual structural steel supporting boom
  • Power track for efficient guiding of wires

Film Tail Treatment

  • Automated Cut/Clamp & Wipe system
  • Pulse controlled cutter
  • Film alignment arm & Brush on film tail treatment

Rotary Arm Drive

  • Heavy duty 25" ring gear with pinion gear drive
  • 1 HP AC motor with Allen Bradley variable frequency drive
  • 0-12 RPM variable speed
  • Electronic soft start/stop
  • Positive arm alignment controlled by proximity sensor
  • Protection guard over the ring gear

Technical Information

  • The machine is provided with a manual including electro/mechanical schematics and drawings, troubleshooting guide & Installation instructions