Our POWERCHOCK
truck wheel
locking systems

We’ll work with you to select, install and service powerful, easy-to-operate POWERCHOCK systems, with options available that adapt seamlessly to your location, and secure any of your vehicles.

WHICH POWERCHOCK MODEL IS BEST FOR YOU?

Why choose our vehicle restraint systems design?

To prevent serious safety hazards at the loading dock, such as premature vehicle departure or vehicle creep, a trustworthy dock restraint system is necessary. Our system is made from heavy-duty material and is designed to resist any weather conditions. The passive restraint system ensures proper positioning of trailer at the loading bay.

Which one is right for you?
Compare the POWERCHOCK models.

There are many vehicle restraint system types available for loading dock safety.

You need to choose a wheel lock restraint system that fits the requirements of your trailers or transport vehicles.

GMR Safety offers three different types of truck restraint system:

Our POWERCHOCK 3 is a versatile model suitable for any type of semi-trailer trucks. You can find a complete list of it’s features on this page.

The POWERCHOCK 5 is our flagship safety restraint system. It is equipped with an ergonomic articulated arm, allowing an effortless operation from any drivers or dock attendant.

The POWERCHOCK 7 is a new generation wheel restraint system with a locking mechanism that locks chock onto the ground plate for an additional protection.

The POWERCHOCK 9 is a hybrid loading dock safety equipment that has been designed to secure both swap bodies and semi-trailers at your loading docks.

Another model with great features is our POWERCHOCK Hybrid, installed on an ergonomic articulated arm or trolley, it secures at a single loading dock all vehicle types.

Main Feature


Flexible pole 


Ergonomic arm


Locking mechanism

Wheel Chock


Durable high-tensile steel

Height: 40cm


Durable high-tensile steel

Height: 40cm


Durable high-tensile steel

Height: 40cm

Retaining plate


Hot-dip galvanized steel

Secured distance from the dock

Up to 4,50m
(3 sections of anchored ground plates)


Hot-dip galvanized steel

Secured distance from the dock
Up to 4,50m
(3 sections of anchored ground plates)


Hot-dip galvanized steel

Secured distance from the dock
Up to 4,50m
(3 sections of anchored ground plates)

Year-Round Efficiency


Optimal restraining capacity in extreme weather conditions

3-directional snow plate
*Optional*

3-directional ground plate with heating element
*Optional*


Optimal restraining capacity in extreme weather conditions

3-directional snow plate
*Optional*

3-directional ground plate with heating element
*Optional*


NA

Communication system


Interlocking system: the door / leveller cannot be operated until the chock is securely in place

Easy communication thanks to an integrated light system (and audible alarm if necessary)


Interlocking system: the door / leveller cannot be operated until the chock is securely in place

Easy communication thanks to an integrated light system (and audible alarm if necessary


Interlocking system: the door / leveller cannot be operated until the chock is securely in place

Easy communication thanks to an integrated light system (and audible alarm if necessary)

Audiovisual Alarm


Inside: control box with indicator lights

Outside: green/red LED lights and audible alarm


Inside: control box with indicator lights

Outside: green/red LED lights and audible alarm


Inside: control box with indicator lights

Outside: green/red LED lights and audible alarm

Sensors


Wheel 

Door 

Dock 
*Optional*


Articulated Arm 

Wheel 

Door

Dock 
*Optional*


Articulated Arm 

Wheel 

Door

Plate

Lifting effort


13kg


Less than 10kg


Less than 10kg

5-Year Warranty


Wheel chock and restraining plate 


Wheel chock and restraining plate 


Wheel chock and restraining plate 

We’re here to help you anytime with any of your concerns or questions.