General Q & A

Using Your Product

Find operating instructions, safety recommendations, best practices, and answers to common questions to help you use your Zendex product safely and effectively.

How to properly use the GoJak G9516 Two-Speed Cam Mechanism

Maintenance & Repair

Keep your Zendex products performing at their best with maintenance tips, troubleshooting guides, replacement part information, and repair procedures.

How do I replace the rollers?
Why won't my GoJak Wheel Dolly cycle up or down easily or at all?
Why does it seem so difficult to cycle the GoJak up or down?
Speed Blaster Nozzle Insert Instructions

Product Selection

Learn how to choose the right Zendex product for your vehicle, application, or industry. Compare models, review specifications, and find compatibility information.

What's the largest size tire my GoJak will accept?
When do I need a left GoJak®?
What's the best GoJak for rough surfaces?
Which GoJak do I need?

Dealer & Distributor Resources

Information for current and prospective distributors, including dealer policies, frequently asked questions, and partnership resources.