WCAT-450 Automatic Rotary Arm Stretch Wrappers

The CAT (WCAT-450) model is an automatic rotary arm combined with a conveyorized turntable, the ideal stretch wrapping solution for high speed application. This versatile combo gives the possibility of switching operating modes: operation in only rotary arm mode, operation in only turntable mode or operation in combo arm turntable mode at 45 RPM. Expect to improve productivity, operator efficiency while reducing film and labor costs.

Are you interested in this product? We are here to help.

Contact us



  • Wulftec was the first in North America to put AC variable frequency drives as standard equipment on all machines. Why? Lower maintenance and better reliability—Wulftec stretch wrappers will save time and money
  • NEMA 4/12 control panel dust tight and waterproof
  • The control panel is neatly organized eliminating time otherwise lost searching for wires
  • The control panel is UL508A approved
  • Superior Electrical/Electronic Design including Allen Bradley CompactLogix PLC and AC drives
  • User friendly touch screen offers a simple yet effective way to adjust and maintain your equipment
  • All motors, proximity sensors, photoeyes and other sensors have quick disconnect cables that simplify installation and maintenance
  • All Wulftec structures are made of heavy-duty steel for rugged performance, even in the harshest work environments. They’re built to last forever
  • 4-legged design for maximum stability at high speed
  • A 25″ ring gear with pinion gear drive provides the strongest drive in the industry and is warranteed for 10 years.
  • Dual chain driven for balanced movement & no vibration
  • Our heavy duty conveyors are second to none in the industry
  • The “Maintenance Free” spring loaded carriage gate equipped with spring loaded rollers, ensures optimal contact with the stretch film year after year, without involving maintenance
  • Wulftec is the only manufacturer to offer a LIFETIME warranty on its pre-stretch rollers’ blue compound.
  • Preset pre-stretch ratios are available from 50-300%
  • The angled carriage with very low wrap possibility, the product is properly secured to the pallet, resulting in a pallet that is more stable for transport, and therefore less damage
  • No film threading is required and a Lexan cover eliminates operator’s ability to reach rollers when gate is closed
  • The pneumatically operated cut and wipe-on system automatically cuts and wipes the film onto the load upon cycle end
    • A vertical roller positions the film over the clamp which grabs the film; this ensures longer heat wire life expectancy
    • Then the heat wire swings in and cuts the film
    • A timed impulse heat control, allows quick cool down so the heat wire becomes cold to the touch within 5 seconds
  • Wulftec’s revolutionary drop away clamp ensures clean film release from the pallet load
  • Benefit from our splash proof program with the top cover pause
  • Non-Proprietary parts accessible on a local base
  • The best warranties in the industry
    • 3-year unlimited cycle warranty
    • lifetime warranty on prestretch rollers
    • 10-years on the steel structure and ring gear

Key Specs

Production Rate

  • 120 loads per hour

Machine Dimensions

  • 265 " L x
  • 148 " W x
  • 140 " H

Maximum Load Size

  • 48 " L x
  • 48 " W x
  • 80 " H

Load Weight

  • 5000 lbs
  • 6000 lbs

Approximate Shipping Weight

  • 12000 lbs

Electrical Requirements

  • 230 V /
  • 3 ph /
  • 60 Hz

Pneumatic Requirements

  • 3 cfm @
  • 80 psi


  • Allen Bradley Compact Logix L32E PLC
  • Allen Bradley monochrome PanelView Plus 7 6" touch panel
  • 24V control system
  • Current overload protection
  • NEMA 4/12 control cabinet with quick disconnect
  • Sick autoheight sensing photoeye with on/off mode
  • Power on/off lockable switch and indicator light
  • 230VAC Motors with AC variable frequency drives
  • Four emergency stop stations (1 on panel / 1 in wrap zone / 1 on infeed and outfeed conveyor)
  • Manual function for rotation fwd/rev and carriage up/down
  • Variable overall speed 45 RPM
  • Double brush dust tight slip ring
  • Intuitive alarms diagnostic & Active maintenance screens
  • Separate turntable and rotary arm rotation speed controls
  • Separate top and bottom wrap selections
  • Separate up and down carriage speeds
  • Film force to load control
  • All conveyors with independent fwd/rev manual function
  • Dynamic braking system for rotary arm and turntable with AC drive
  • 120 VAC outlet in control panel for service work

Film Delivery System

  • 20" NO-THREAD® Powered Pre-Stretch (no film threading)
  • 1 HP 230VAC Motor & AC variable frequency drive
  • Lifetime warranty on pre-stretch rollers blue compound
  • Film force release for easy pull at start and end of cycle
  • 50-300% pre-stretch ratio (preset to customer specs-std 200%)
  • Electronic film tension control with analog sensor
  • Sensing device for film out/broken with visual alarm
  • Lexan roller cover for operator safety
  • Emergency stop for arm path obstruction
  • Angled carriage to wrap approx. 2" from conveyor level

Film Carriage Drive

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

Film Tail Treatment

  • Auto film clamping device (drop away design, no film tear)
  • Pulsed controlled cutter
  • Film alignment arm
  • Brush-on film tail treatment
  • Heat Seal treatment


  • Heavy duty structural steel construction: easy access to all components
  • Free standing integrated leg design (Four 6" x 6" legs)
  • Counter-balanced rotary arm for smooth rotation
  • Safety fencing with interlocked access door

Rotary Arm Drive

  • 25" Heavy duty ring GEAR with pinion gear drive
  • 0-30 RPM variable speed
  • Dual steel boom rotary arm
  • 2 HP 230VAC/ Motor & AC variable frequency drive
  • Electronic soft start/stop
  • Positive arm alignment controlled by proximity sensor
  • Pneumatic braking system for rotary arm

Turntable Drive

  • 25" Heavy duty ring GEAR with pinion gear drive
  • 0-15 RPM variable speed
  • 1 HP 230VAC motor with Allen Bradley variable frequency drive
  • Electronic soft start/stop
  • Positive turntable alignment controlled by proximity sensor
  • Electric brake for turntable

Safety Features

  • The Wulftec wrapping system is equipped with 5 photoeyes which monitor access points to wrapping zone and prevent accidental insertion of foreign object during wrapping
  • 4 E-Stop mushroom type push buttons: 1 on control panel, 1 in wrapping zone, 1 on infeed conveyor and 1 on outfeed conveyor
  • Additional E-Stops are available upon request
  • Wrapping zone enclosed by heavy-duty personnel obstruction fencing complete with electronically interlocked access door
  • An object obstruction safety device stops the machine should there be any interference in the wrapping area


  • 2 x 8' powered roller infeed and outfeed conveyors with contour shape
  • Standard pass height 18"
  • (Other pass heights available, consult factory*)
  • 2- 1/2" diameter rollers on 3" centers
  • 52" BFR (between frame rails)
  • 3/16" walls cold rolled electric welded steel rollers
  • All rollers driven via #40 chain
  • 1 HP 230VAC motor with Allen Bradley variable frequency drive
  • Heavy-duty structural steel design, interlocking style for continuous equal roller spacing
  • Heavy-duty cast iron flange mounted bearings

Turntable Conveyor

  • 77" dia. 1/2" steel plate turntable
  • 2 1/2" dia. rollers on 3" centers
  • All full length rollers driven
  • 3/16" wall cold rolled electric welded steel rollers
  • 52" BFR (between frame rails)
  • 1 HP AC motor with Allen Bradley variable frequency drive
  • Electronic soft start/stop
  • Rollers driven via #40 chain
  • Heavy duty cast iron flange mounted bearing

Technical Information

  • The machine is provided with a manual including electro/mechanical schematics and drawings, maintenance program and PLC program disk