EZ Haul Tow Dolly Spare Tire

Technical Specifications

For the Stand-Up EZ Haul models (Idler and Braked versions), the standard factory specification is:

• Tire Size: ST145/R12 (Radial)

• Load Range: E (10-Ply Rating)

• Bolt Pattern: 5 on 4.5″ (Standard trailer 5-lug)

• PSI: 80 PSI (Cold)

• Weight Rating: Approximately 1,520 lbs per tire.

Note: Do not use standard 12″ “utility” trailer tires (Load Range B or C), as they are usually only 4 or 6-ply and cannot handle the weight of a towed vehicle.