Collins // Hi-Speed® Dolly Lineup

THE MOST
ADVANCED® DOLLIES

Five Collins Hi-Speed® Dollies, one job: get vehicles home safely, at freeway speed, without wrecking your equipment. Compare capacity, speed rating, and price below — then add exactly what your fleet needs.

Freeway Approved, Up To 75 MPH
GM & MIRA Proving Grounds Tested
Patented True Positive Camber
Sold As Complete Sets
Find Your Fit

Compare The Collins Lineup

Every model shares Collins' Safety Ratchet System and True Positive Camber. What changes is tire rating, capacity, speed, and weight — pick based on what you're towing and how far.

Model Tire Capacity Speed Set Weight Price
G7X Super Dolly eXtreme Steel 5,000 lbs 75 MPH $3,700.00
SLZ Pro 5.70D 5.70x8 D 4,280 lbs 65 MPH 176 lbs $2,580.00
G7 Pro P5D 5.70x8 D 4,280 lbs 65 MPH 178 lbs $3,325.00
G7 Pro P4D 4.80x8 D 3,968 lbs 65 MPH 162 lbs $3,020.00
SLZ Pro 6th Gen 4.80x8 C 3,040 lbs 65 MPH 156 lbs $2,450.00
Not Available Until Mid-Late July The Off-Road Flagship

Collins G7X Hi-Speed® Dolly

SKU: HSD-G7X

Originally built for Canada's harshest off-road winters. Steel hubs, eXtreme capacity steel wheels, and patented T12 Hybrid Cross Rails give it the highest capacity and highest speed rating in the Collins lineup.

Capacity
5,000 lbs
Speed
75 MPH
Span
104"
$3,700.00
Full Details →
In Stock Maximum Capacity, G7 Body

Collins Hi-Speed® Dolly – G7 (7th Generation) Pro HSD-G7-P5D

SKU: HSD-G7-P5D

The 7th-generation G7 body with the larger 5.70x8 D-rated tire — Collins' highest freeway-approved capacity short of the G7X. CNC-machined spindles and self-lubricating composite bushings mean less downtime.

Capacity
4,280 lbs
Speed
65 MPH
Weight
178 lbs
$3,325.00
Full Details →
In Stock The Hardest Working Dolly

Collins Hi-Speed® Dolly – G7 (7th Generation) Pro HSD-G7-P4D

SKU: HSD-G7-P4D

Get the World's Most Advanced® dolly body without overpaying. Same G7 upgrades — ergonomic motorcycle-style handle, zinc-plated frame, CNC shoulder bolts — paired with the lighter 4.80x8 D-rated tire.

Capacity
3,968 lbs
Speed
65 MPH
Weight
162 lbs
$3,020.00
Full Details →
In Stock The World's Most Popular Dolly

Collins SLZ Hi-Speed® Dolly Pro 5.70D

SKU: HSD-P5D

Collins' tried-and-true 6th-generation SLZ body, built since 2016, now paired with the larger 5.70x8 D-rated tire for the highest capacity SLZ available — full capability at the most economical price point that still hits 4,280 lbs.

Capacity
4,280 lbs
Speed
65 MPH
Weight
176 lbs
$2,580.00
Full Details →
In Stock The Original Workhorse

Collins SLZ Hi-Speed® Dolly PRO (6th Generation)

SKU: HSD-P4C

The lightest, most affordable way into the Collins Hi-Speed® lineup. Since 2016 the SLZ has been the fully-capable, no-frills choice for shops that want proven reliability at the lowest entry price.

Capacity
3,040 lbs
Speed
65 MPH
Weight
156 lbs
$2,450.00
Full Details →
From The Field

"Freeway-rated, tested at GM's own proving grounds. We don't run anything else."

— [PLACEHOLDER: Customer name, company], Tow Operator

Ready When You Are

BUILD YOUR
DOLLY SET

All five models ship as complete sets, in stock, with bulk discounts available for fleets and shops. Pick a model below or give us a call to talk through what fits your trucks.

G7X Super Dolly G7X Super Dolly
$3,700.00
G7 Pro P5D G7 Pro P5D
$3,325.00
G7 Pro P4D G7 Pro P4D
$3,020.00
SLZ Pro 5.70D SLZ Pro 5.70D
$2,580.00
SLZ Pro 6th Gen SLZ Pro 6th Gen
$2,450.00