Wulftec WRT-175 Semi-Automatic Rotary Arm Stretch Wrapper

Wulftec WRT-175 Rotary Arm Semi-Automatic Stretch Wrapper

At a Glance

  • Robust 3-legged rotary arm stretch wrapping system
  • Up to 50 pallet loads per hour
  • Unlimited max load weight
  • These stretch wrappers are built to last forever
  • Best warranties in the stretch wrapper industry
Sustainability Tip

Buy your stretch film from us, and get a discount on this Wulftec stretch wrapper!

3-Legged Rotary Arm Stretch Wrapper

The WRT-175 semi-auto rotary arm stretch wrapping system is a free-standing 3-legged stretch wrapper. A robust semi-automatic rotary arm wrapper for light and unstable or heavy pallet loads.

Features of the WRT-175

AC variable frequency drives as standard equipment on all machines
With lower maintenance and better reliability, Wulftec stretch wrappers will save time and money
NEMA 4/12 control panel dust tight and waterproof
Control panel is neatly organized eliminating time otherwise lost searching for wires
Control panel is UL508A approved
Superior electrical design including Allen Bradley MicroLogix PLC and AC drives
User-friendly touch-screen offers a simple 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
These stretch wrappers are built to last forever
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
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 roller blue compound
Preset pre-stretch ratios are available from 50-300%
Angled carriage with very low wrap possibility properly secures the product to the pallet, resulting in stable transport and less damage
No film threading required
Lexan cover eliminates operator's ability to reach rollers when gate is closed
Wulftec's revolutionary drop away clamp ensures clean film release from the pallet load
Benefit from Wulftec's splash proof program with the top cover pause
Non-Proprietary parts accessible on a local base

Best Warranties in the Industry

4-year unlimited cycle warranty
10-year warranty on steel structure
10-year warranty on 25" ring gear bearings
Lifetime warranty on pre-stretch rollers blue compound

Please contact Pro Pac or call 888-318-0083 for your stretch wrapping equipment.


Production Rate 50 loads per hour
Machine Dimensions 165.5" L x 130" W x 117.5" H
Maximum Load Size 54" L x 54" W x 80" H
Load Weight Unlimited
Approximate Shipping Weight 2050 lbs
Electrical Requirements 120 V /1 ph /60Hz 15A
Controls Allen Bradley MicroLogix 1200 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
Structure Heavy duty structural steel construction
Free standing integrated 3-leg design
3 floor-mounting legs
Easy access to all components
Achoring Requirements Wulftec recommends using heavy-duty expansion shields of 3/4" diameter thread size with a minimum anchor depth of 4" in concrete
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
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 and installation instructions


Carriage 20" hydraulic carriage (no pre-stretch)
30" hydraulic carriage (no pre-stretch)
30" NO-THREAD® Powered pre-stretch carriage
Carriage adaptor bracket for 20" film on 30" carriage
Manually adjustable dual roping bar
Manually adjustable single roping bar
Pneumatic roping dual
Pneumatic roping dual - extra photoeye
Pneumatic roping single
Rapid Cut - standard panel
Controls Lanyard remote
Pull cord
Remote push button station
Safety control lockout
Upgrade from standard to deluxe
Upgrade from standard to standard Plus
Warning alarm / horn
Warning flashing light
Extension Wrap arm diameter extension - 104in
Wrap arm diameter extension - 116in
Wrap arm diameter extension - 92in
Wrap height extension - 104in
Wrap height extension - 116in
Wrap height extension - 92in
Motors Wash-down motors
Paint Epoxy paint
Steel-It paint
Pass Height Pass height matching existing conveyor line
Photoeye Dark load detection
Safety Safety fencing
Safety light curtains
Safety package
Scale Electronic scale
Stopper Pallet stopper
Temperature Package Cold A (32 to 41°F / 0 to 5°C)
Cold B (5 to 32°F / -15 to 0°C) - Deluxe panel
Cold B (5 to 32°F / -15 to 0°C) - Standard panel
Cold C (-31 to 5°F / -35 to -15°C)
Fan & Exhaust
Warm A (up to 115°F / up to 46°C)
Warm B (104°F / 40°C and up)
Transformer Customized transformer
Standard transformer
Transformer for Cold C temperature package

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