Lightweight, Safe and Easy

Prime Design has been the industry’s ergonomic leader since 1992, when we first introduced the concept of an ergonomic ladder rack.

Our design philosophy starts with the worker – how can we make the job safer, easier and more comfortable for the human body? That is because we firmly believe that a product’s design and how it impacts the user is every bit as important as the quality of materials and construction.

The ErgoRack was designed to reduce muscle stress, eliminate risk of injury and speed the job of loading and unloading ladders from a work van.

Easy to use

Deploys with only 2 fingers

Reduce Injuries

Eliminates slip and fall hazards from climbing on bumper or tire

Improve Productivity

Deploy or stow in less than 20 seconds

Safe Operation

Feet stay safely on the ground.

Reduce Back Strain

Reduce back and muscle strain from improper loading.

Smooth Operation

Hydraulic cylinder provides smoothest, controlled descent of any rack in the industry.

Easy Access

Removable handle – easy access for operators of any height.


Maintain vehicle warranty and resale value with no holes to drill.


Winner of ergonomic awards in USA, France, Germany, and Australia.

ErgoRack Models – Nissan NV Cargo

Modular (-M) and Hybrid Modular (-HM) are available depending on configuration.

Contact Sales and Service for more information.

Model Vehicle Wheelbase Vehicle Height Streetside Feature Curbside Feature Weight Technical
HBB-NV 146 IN 84 IN (Standard) or 105 IN (High) End Stop End Stop 33 lbs HBB-NV-M
HBB3-NV* 146 IN 84 IN (Standard) or 105 IN (High) End Stop End Stop 37 lbs HBB3-NV-HM
HBR-E-NV 146 IN 84 IN (Standard) or 105 IN (High) End Stop Rotation 88 lbs HBR-E-NV-M
HRB-E-NV 146 IN 84 IN (Standard) or 105 IN (High) Rotation End Stop 88 lbs HRB-E-NV-M
HRR-E-NV 146 IN 84 IN (Standard) or 105 IN (High) Rotation Rotation 143 lbs HRR-E-NV-M
HRR3-E-NV* 146 IN 84 IN (Standard) or 105 IN (High) Rotation Rotation 154 lbs HRR3-E-NV-M

*Three crossbar rack

Crossbar spacing and the vehicle’s wheelbase length will dictate the ladders that can be carried. Crossbars can be spaced at six, seven, or eight feet. A third crossbar can be spaced four, five, six, or seven feet. If carrying a long extension ladder and a short step ladder, a three crossbar rack is suggested. Contact Prime Design customer service for application specific questions. Check the vehicle manufacturer’s recommendation for roof capacity weight limits. A wide range of accessories are available including conduit carriers, lighting mounts, and more.

Van Crossbar Spacing and Ladder Size Guide
Crossbar Spacing Step Ladder Size Extension Ladder Size
4 ft spacing 6 – 8 ft. 16 – 20 ft.
5 ft spacing 8 – 10 ft. 16 – 24 ft.
6 ft spacing 8 – 12 ft.** 16 – 28 ft.
7 ft spacing 10 – 12 ft.** 20 – 32 ft.
8 ft spacing 10 – 12 ft.** 20 – 36 ft.

**12 ft. step ladders may require an extended upper add-on component

ErgoRack OverviewModified Date: September 06, 2023Filesize: 13,590kB
Nissan NV Cargo ErgoRack CutsheetModified Date: January 25, 2024Filesize: 863kB
Rotation Quick Start GuideModified Date: January 18, 2018Filesize: 5,006kB
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