NEW DESIGN
POWER CHOCK® 5
Ergonomic Wheel-Based
Vehicle Restraint

POWER CHOCK® 5 is our flagship safety vehicle restraint system. With the use of an enhanced ergonomic articulating arm, the operation of the POWER CHOCK® 5 is virtually effortless for all drivers.

Download the brochure to discover all the great features of this model.

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ERGONOMIC MODEL

POWER CHOCK® 5 is an internationally patented ergonomic wheel-based vehicle restraint that prevent accident risks at loading docks during handling operations.

As the #1 selling wheel-based restraint in North America, it delivers one of the most complete safety sequences available to secure loading and unloading operations with a market-exclusive 5-year warranty. Its optimized design and upgraded articulating arm allow drivers to position and secure the trailer quickly, effectively, and with minimal effort.

OUTSTANDING FEATURES

  • NEW Design — Optimized height v. weight ratio and enhanced articulating arm
  • Effectively secures any type of vehicle – even those with liftgates – from accidents and near-misses during loading and unloading operations (when set in front of a rear wheel – up to a distance of 15 feet from the loading dock wall)
  • Designed to fit on either side of the vehicle (right-hand or left-hand side of the dock)
  • Provides up to 50,000 lbs of restraining capacity
  • Equipped with a complete audiovisual communication system, including a control panel and three (3) optical sensors to confirm proper placement
five-year-warranty

ENHANCED ARTICULATING ARM

  • Redesigned for smoother handling by the driver, and effortless and unassisted return to the stored position
  • Increased resistance to impacts, from both vehicle contact and arm retraction
  • Reduced maintenance requirements for long-term reliability
  • Ensures an obstacle-free drive approach when trailer is backing
POWER-CHOCK®-5-new-arm

TECHNICAL SPECIFICATIONS

  • High-tensile 19 inches steel wheel chock installed on an improved ergonomic arm
  • 12 ft. hot-dip galvanized steel ground-anchored restraining plate
  • Enhanced ergonomic arm, ensuring effortless handling and an unassisted return into stored position, always leaving the driveway approach unobstructed
  • Integrated and complete audiovisual communication system:
    • Indoor control panel with audible alarm, signal lights (red/green) and a ‘chock engaged’ illuminated indicator
    • Outdoor signal lights (red/green) with audible alarm
  • Three (3) sensors linked to the communication system:
    • Chock sensor, confirming proper wheel chock placement
    • Dock sensor, indicating if the leveler is set on the vehicle
    • Arm sensor, confirming return of the arm to the stored position

The dock leveler and/or door can’t be operated unless the POWER CHOCK® is properly engaged.

POWER CHOCK 5 in place in front of the rear wheel of the trailer.

POWER CHOCK® SMART DOCK COMMUNICATION

At the core of every POWER CHOCK® system is an integrated communication panel designed to simplify loading dock operations and improve safety coordination between workers, drivers, and equipment.

The control panel combines visual and audible communication signals into one centralized interface, allowing operators to instantly verify the status of the loading process. Connected directly to the dock door and leveler, the communication system helps enforce a secure loading sequence while reducing the risk of human error or unsafe trailer movement.

Designed for high-traffic warehouse environments, the interface is intuitive, easy to understand, and accessible to all dock personnel regardless of experience level.

Key advantages include:

  • Easy integration with other dock equipment, including doors and levelers
  • Clear red/green communication signals for safer operations
  • Programmable operating modes adaptable to site requirements
  • Built-in self-diagnostic functions for faster maintenance and troubleshooting
  • Reliable long-term performance in demanding industrial environments

The POWER CHOCK® communication system supports smoother workflows, better operator awareness, and more controlled loading dock activity.

POWER-CHOCK®-panneau de controle

RELIABLE PERFORMANCE IN WINTER CONDITIONS

Loading docks do not stop operating when winter arrives, and neither should your vehicle restraint system.

For more than 30 years, POWER CHOCK® systems have been engineered and tested to withstand harsh winter climates, including snow, ice accumulation, freezing rain, and extreme cold temperatures commonly found across North America.

To support year-round performance, optional protective components are available to help maintain uninterrupted operation even in facilities exposed to heavy snow removal operations.

Features designed for winter environments:

  • Proven reliability in snow, ice, and freezing conditions
  • Durable material adapted to harsh outdoor environments
  • Optional 3-directional snow plate designed for repeated snowplowing
  • Consistent operational performance throughout winter months

For optimal durability, GMR Safety recommends using blue salt or a de-icing product rated for temperatures as low as -30 °C (-22 °F) during winter conditions, when required. You may also contact us for more assistance.

Le système de retenue pour véhicule POWER CHOCK® 5 performant dans la neige

BUMPERS TO PROTECT THE ARTICULATING ARM OPTIONAL

Protect your equipment and extend its lifespan with durable, wall-mounted steel arm bumpers. Designed to shield the restraint arm when in the stored position, they help prevent damage during daily operations.

  • Reinforced steel structure for maximum durability
  • Protects the restraint arm in rest position
  • Absorbs impacts from reversing vehicles
  • Reduces maintenance and repair costs
  • Ideal for high-traffic loading dock environments
bumper-double-avec-cale-allégée

LED CORNER LIGHTS FOR ENHANCED DOCK VISIBILITY OPTIONAL

In busy loading dock environments, visibility plays a critical role in maintaining safe and efficient operations.

Optional POWER CHOCK® LED Corner Lights extend the communication signals from the control panel directly to the dock door area, giving forklift operators and warehouse personnel immediate visual confirmation of the dock status.

Mounted at the upper corners of the door, these high-visibility lights display clear red and green signals that help reduce uncertainty, improve reaction time, and minimize communication errors during loading and unloading operations.

Benefits of LED Corner Lights:

  • Improved visibility of dock status from multiple angles
  • Reinforces audiovisual communication throughout the loading area
  • Helps reduce blind spots and operational confusion
  • Ideal for low-light environments and high-volume facilities
  • Preserves workspace by remaining elevated and out of the way
  • Supports safer and faster dock operations

Technical specifications:

  • IP67-rated protection against dust and water
  • Designed for demanding industrial environments
  • Operating temperature range: -40 °F to 158 °F
  • Compatible with all POWER CHOCK® vehicle restraint models
Lumieres de coin LED avec panneau de controle

See the POWER CHOCK® 5 in action.

POWER CHOCK 5 effectively restraining the wheel of the trailer at the loading dock.
POWER CHOCK® 5 wheel-based vehicle restraint system securing the trailer at the loading dock
POWER CHOCK 5 in place in front of the rear wheel of the trailer.
Driver is setting up the POWER CHOCK® 5 wheel-based vehicle restraint in front of the rear wheel of the truck
Side and close view of the POWER CHOCK 5 effectively restraining the wheel of the trailer at the loading dock.
Loading-docks-equipped-with-POWERCHOCK-5-wheel-locks
Témoignage

Need more info on the POWER CHOCK® 5?

If you have any questions or wish to schedule a test, please contact us, and one of our representatives will get in touch with you.