Background

Each year, 25% of industrial accidents occur at loading docks, which are either not secured at all or not adequately secured with the proper equipment and procedures.
Among the many accidents and countless near-misses are unintended departures (when a driver leaves the dock prematurely), trailer slippage (caused by the movement of the forklift as it enters and exits the trailer during the operation), and falls from the height of the dock.
 

 
A forklift that fell between the loading dock and the semi-trailer.
© Photo Suburban & Recovery.

GMR Safety Wheel Chocks 

The POWER CHOCK® is a wheel chock system designed to effectively secure all types of vehicles—from semi-trailers to light commercial vehicles—at loading docks in warehouses, distribution centers, and logistics hubs, ensuring safe loading and unloading operations.
The entire POWER CHOCK® range offers the same benefits, including ensuring the safety of operators, equipment, and goods, optimizing operational efficiency, and contributing to the company’s long-term profitability. 

Benefits:

• Exclusive 5-year warranty
• Little to no maintenance
• Performs well, even in winter
• Compatible with all trucks and types of surfaces
• Easy to use and reliable

To view the list of patents, visit gmrsafety.com/en/patents/.

Models

POWER CHOCK® 3 | Portable

The Power Chock 3 is a portable, manual wheel chock system that is simple and easy to set up. It is ideal for tight loading areas. Its new design allows drivers to secure their trucks more quickly and with minimal effort.

This system includes: 

• A 19-inch steel wheel chock with a positioning bar
• A galvanized steel restraining plate anchored to the ground
• Communication system
  • Indoor control panel with audible alarm, signal lights (red/green), and an indicator light confirming proper wheel chock placement
  • Outdoor signal lights (red/green)
• Two sensors connected to the communication system
  • Wheel chock sensor
  • Door sensor
• (Optional) Trolley

 
Power Chock® 3 | Portable – New design
 

POWER CHOCK® 5 | Ergonomic

The Power Chock 5 is a manual wheel chock system. Thanks to its ergonomic design and reliability, it is the flagship model of the line. Its design, featuring an ergonomic arm, allows the driver to move the chock effortlessly, and the spring mechanism ensures it returns to the wall in its resting position. 

This system includes: 

• A 19-inch steel wheel chock with an ergonomic arm
• A galvanized steel restraining plate anchored to the ground
• Communication system
  • Indoor control panel with audible alarm, signal lights (red/green), and an indicator light confirming proper wheel chock placement
  • Outdoor signal lights (red/green)
• Three sensors connected to the communication system
  •  Wheel chock sensor
  • Door sensor
  • Arm sensor
     

 
Power Chock® 5 | Ergonomic – New design
 

POWER CHOCK® HYBRID | Universal

The Power Chock Hybrid is a manual blocking system. Thanks to its dual-height steel chock, it can secure all types of vehicles at the same loading dock (from delivery vans to semi-trailers). It is ideal for businesses that constantly switch between distribution and e-commerce.  

This system includes: 

• A double-height steel wheel chock (7 7/8“ and 13 3/4”) attached to an ergonomic arm or mounted on a trolley
• A galvanized steel restraining plate anchored to the ground
• Communication system
  • Indoor control panel with audible alarm, signal lights (red/green), and an indicator light confirming proper placement of the wheel chock
  • Outdoor signal lights (red/green)
• Four or five sensors connected to the communication system
  • 2 wheel sensors
  • 1 door sensor
  • 1 arm sensor
  • 1 vehicle sensor
  • (Optional) 1 dock leveler sensor

 
Power Chock® Hybrid | Universal
 

POWER CHOCK® AUTO | Automatic

The Power Chock AUTO is an automatic locking system. Thanks to its automated mechanism, the driver does not need to intervene to secure the truck; instead, the operator inside the warehouse presses the button on the control panel to activate the positioning of the chock in front of the rear wheel and its retraction. This system is ideal for companies looking to invest in the automation of their operations.

This system includes: 

• A 19-inch steel wheel chock with an automatic mechanism (arm and control panel)
• A galvanized steel restraining plate anchored to the ground
• Advanced communication system
  • Indoor control panel with audible alarm, signal lights (red/green), and an indicator light confirming proper positioning of the wheel chock and availability of the loading dock
  • Signal lights (red/green) on the exterior
• Camera installed on the exterior, facing the loading dock
• Screen installed on the interior, next to the control panel
• Three sensors connected to the communication system
  • Chock sensor
  • Door sensor
  • Arm sensor

Power Chock® AUTO | Automatic