When it Matters, Choose Collins. 
G7X Super Dolly 5.00E
HSD-G7X
G7 Hi-Speed® Dolly Hero 5.70D
HSD-G7-H5D
G7 Hi-Speed® Dolly Hero 4.80D
HSD-G7-H4D
SLZ Hi-Speed® Dolly Pro 5.70D
HSD-P5D
SLZ Hi-Speed® Dolly Pro 4.80D
HSD-P4D
When it comes to price for performance, Collins Dollies out-paces the others. Get the greatest performing dolly, without having to overpay.
But don't just take our word for it - see what happy customers over the years have had to say about Collins Dollies.
Collins Hi-Speed® Dollies are the towing professionals ONLY APPROVED dollies for highway, freeway, and interstate use.
Need to get from Point A to Point B? Don't give it a second thought. Collins Dollies have been tested to 1,600 FREEWAY miles over the course of a tow.
Collins Dollies have no towing-distance restrictions!
Featuring our Safety Ratchet System that allows you to:
- Safely and comfortably raise heavy vehicles.
- SAFELY lift against a wall.
- SAFELY operate on snow, ice, gravel, slippery surfaces, and slopes.
- PREVENTS PHYSICAL HARM: The Safety Ratchet system keeps operators safe from physical harm and slipping grips.
- PREVENTS ACCIDENTS: Safety Ratchet systems acts as a secondary safety system to prevent the vehicle from dropping.
When it comes to measuring - we think it’s only fair to measure the total usable width. That's why when we say our T12 Cross Rail is 104 inches - we mean the usable space.
Collins pioneered the use of telescoping Cross Rails with the very first pair of positive-cambered steel rails, debuting with the 1st-Generation Hi-Speed® Dolly in 1975. Today, Collins Cross Rails feature “True Positive Camber” with angled end pieces and center-cambered components -- twice the camber of other dolly axles.
The Real World's Most Advanced® Dolly 
The Collins Hi-Speed® Dolly is the Most Advanced® towing solution due to its superior performance, adaptability, and safety features. With a high towing capacity and lightweight design for easy handling, it caters to various vehicle types, ensuring both operators and vehicles stay safe with its innovative Safety Ratchet System and True Positive Camber. The Collins Hi-Speed® Dolly is built with high-quality materials and expert workmanship and provides efficiency, safety, and versatility for years of dependable service.
The Towers Choice™
Collins Hi-Speed® Dolly
With 35 new enhancements, the Collins Hi-Speed® Dolly is the Most Advanced® self-loading dolly ever to be designed. Collins’ design roots began in August 1972 when we invented the first articulating dolly to lift a vehicle. Single-handedly, Collins changed the dolly-towing industry with major “firsts” such as:
» 1972 FIRST LEVERAGED SELF-LOADING DOLLY
» 1974 QUICK-RELEASE TRIP ASSEMBLY
» 1974 STEEL CAMBERED TELESCOPIC CROSS RAILS
» 1977 SAFETY RATCHET SYSTEM
» 1986 SAFETY LOCKS
» 1995 ALUMINUM CAMBERED TELESCOPIC CROSS RAILS
» 2000 GREASEABLE HUBS
» 2006 SERVICEABLE/REPLACEABLE COMPONENTS
» 2006 LOAD-BEARING SPINDLE & TRIP BOLTS
» 2006 ALUMINUM GREASEABLE HUBS
» 2006 ALUMINUM 8 X 3.75 WHEELS
» 2010 ALUMINUM SQUARE PRY BARS
» 2015 ONE-PIECE CAST RAIL-END PIECES
» 2016 INTERNAL LOAD-BEARING PIVOT POINTS
» 2016 ZINC PLATING STANDARD
» 2018 HI-SPEED®LOAD-RANGE ‘D’ 4.80 x 8 TIRES
The G7X Line
Heavy Duty Dolly for Extreme Conditions and Uses. The G7X is built for extreme weather, off-road, and heavy duty use.
The G7 Line
The World's Most Advanced® Dolly. The Collins G7 Dolly was released in 2022 as our 7th generation dolly. It includes 40 upgrades, improvements, and changes.
The SLZ Line
The World's Most Popular Dolly. The SLZ is Collins' tried-and-true, sixth generation dolly that's been around since 2016. If you are looking for a fully capable dolly at the most economical price in the market, the SLZ is the obvious choice.
Collins G7X Super Dolly
| Part # | Dolly Frame & Name | Tire | Cross Rails | Hubs | Wheels | Weight | Capacity | Speed Rating |
|---|---|---|---|---|---|---|---|---|
| HSD-G7X | G7X | 5.00x8 E Rated | T12 Hybrid | Steel | Steel | 228 lbs | 5000 lbs | 75 MPH |
Collins G7 Hi-Speed® Dollies
| Part # | Dolly Frame & Name | Tire | Cross Rails | Hubs | Wheels | Weight | Capacity | Speed Rating |
|---|---|---|---|---|---|---|---|---|
| HSD-G7-H5D | G7 (7th Generation) Hero | 5.70x8 D Rated | Aluminum T12 | Aluminum | Aluminum | 185 lbs | 4280 lbs | 65 MPH |
| HSD-G7-H4D | G7 (7th Generation) Hero | 4.80x8 D Rated | Aluminum T12 | Aluminum | Aluminum | 169 lbs | 3968 lbs | 65 MPH |
| HSD-G7-P5D | G7 (7th Generation) Pro | 5.70x8 D Rated | Aluminum T10 | Aluminum | Aluminum | 178 lbs | 4280 lbs | 65 MPH |
| HSD-G7-P4D | G7 (7th Generation) Pro | 4.80x8 D Rated | Aluminum T10 | Aluminum | Aluminum | 162 lbs | 3968 lbs | 65 MPH |
| HSD-G7-P4C | G7 (7th Generation) Pro | 4.80x8 C Rated | Aluminum T10 | Aluminum | Aluminum | 158 lbs | 3040 lbs | 65 MPH |
| HSD-G7-R5D | G7 (7th Generation) Repo | 5.70x8 D Rated | Aluminum T10 | Aluminum | Steel | 178 lbs | 4280 lbs | 65 MPH |
| HSD-G7-R4D | G7 (7th Generation) Repo | 4.80x8 D Rated | Aluminum T10 | Aluminum | Steel | 162 lbs | 3640 lbs | 65 MPH |
| HSD-G7-R4C | G7 (7th Generation) Repo | 4.80x8 C Rated | Aluminum T10 | Aluminum | Steel | 158 lbs | 3040 lbs | 65 MPH |
Collins SLZ Hi-Speed® Dollies
| Part # | Dolly Frame & Name | Tire | Cross Rails | Hubs | Wheels | Weight | Capacity | Speed Rating |
|---|---|---|---|---|---|---|---|---|
| HSD-H5D | SLZ (6th Generation) Hero | 5.70x8 D Rated | Aluminum T12 | Aluminum | Aluminum | 230 lbs | 4280 lbs | 65 MPH |
| HSD-H4D | SLZ (6th Generation) Hero | 4.80x8 D Rated | Aluminum T12 | Aluminum | Aluminum | 214 lbs | 3968 lbs | 65 MPH |
| HSD-P5D | SLZ (6th Generation) Pro | 5.70x8 D Rated | Aluminum T10 | Aluminum | Aluminum | 176 lbs | 4280 lbs | 65 MPH |
| HSD-P4D | SLZ (6th Generation) Pro | 4.80x8 D Rated | Aluminum T10 | Aluminum | Aluminum | 160 lbs | 3968 lbs | 65 MPH |
| HSD-P4C | SLZ (6th Generation) Pro | 4.80x8 C Rated | Aluminum T10 | Aluminum | Aluminum | 156 lbs | 3040 lbs | 65 MPH |
| HSD-R5D | SLZ (6th Generation) Repo | 5.70x8 D Rated | Aluminum T10 | Aluminum | Steel | 176 lbs | 4280 lbs | 65 MPH |
| HSD-R4D | SLZ (6th Generation) Repo | 4.80x8 D Rated | Aluminum T10 | Aluminum | Steel | 160 lbs | 3640 lbs | 65 MPH |
| HSD-R4C | SLZ (6th Generation) Repo | 4.80x8 C Rated | Aluminum T10 | Aluminum | Steel | 156 lbs | 3040 lbs | 65 MPH |