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Collins G7X Super Dolly HSD-G7X
The Collins HSD-G7X takes the G7 platform further for extreme towing. It's rated 5,000 lbs at 75 MPH, the highest capacity and speed rating in the Collins Hi-Speed® lineup. It's built for heavy vehicles and hard roadside recoveries where an aluminum dolly is working at its limit.
What makes it a Super Dolly
- T12 Hybrid cross rails. Steel center sections with adjustable aluminum outer sections, extending to 104 inches with True Positive Camber.
- Steel hubs and high-capacity steel wheels. Built for load, not weight savings.
- Load Range E tires. Aggressive, high-traction 5.00×8 tires carry the higher rating.
- Safety Ratchet System. Collins' patented ratchet holds the vehicle up and resists unintended lowering during loading.
Compare the G7X against the rest of the Collins lineup in the table on this page.
Compare Collins Hi-Speed Dollies
| Model | SLZ REPO 4.80D HSD-R4D | SLZ PRO 4.80D HSD-P4D | G7 PRO 4.80D HSD-G7-P4D | G7 HERO 4.80D HSD-G7-H4D | SLZ PRO 5.70D HSD-P5D | G7 HERO 5.70D HSD-G7-H5D |
G7X Super Dolly HSD-G7X · You're viewing this one |
|---|---|---|---|---|---|---|---|
| Capacity (set) | 3,640 lbs | 3,968 lbs | 3,968 lbs | 3,968 lbs | 4,280 lbs | 4,280 lbs | 5,000 lbs |
| Speed rating | 65 MPH | 65 MPH | 65 MPH | 65 MPH | 65 MPH | 65 MPH | 75 MPH |
| Tires | 4.80x8 D-rated | 4.80x8 D-rated | 4.80x8 D-rated | 4.80x8 D-rated | 5.70x8 D-rated | 5.70x8 D-rated | 5.00x8 E-rated |
| Wheels | Steel | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Steel |
| Hubs | Aluminum, greaseable | Aluminum, greaseable | Aluminum | Aluminum | Aluminum, greaseable | Aluminum | Steel |
| Cross rails | T10 Aluminum, telescoping | T10 aluminum, telescoping | T10 aluminum, cambered | T12 aluminum, 104" usable | T10 aluminum, telescoping | T12 aluminum, 104" usable | T12 Hybrid (steel inserts), 104" usable |
| Set weight | 160 lbs | 160 lbs | 162 lbs | 169 lbs | 176 lbs | 185 lbs | 228 lbs |
| Frame | SLZ | SLZ | G7, zinc-plated, self-lubricating bushings | G7, self-lubricating bushings | SLZ | G7, self-lubricating bushings | G7, reinforced steel, self lubricating bushings |
| Included | Pry bar, tie-down straps | Pry bar, tie-down straps | Pry bar, tie-down straps | Pry bar, tie-down straps | Pry bar, tie-down straps, lug nuts | Pry bar, tie-down straps | Pry bar, tie-down straps |
| Best for | Repo and light duty towing on a budget | All around wrecker dolly, lighter all-aluminum running gear | Low-maintenance daily use, no greasing bushings | Wider vehicles; G7 low-maintenance frame with T12 rails | SLZ platform with higher capacity for heavier cars and light trucks | Heaviest loads short of the G7X; wide T12 rails | Heavy vehicles and the toughest recovery jobs |
Loading a car carrier instead of towing on a wrecker? The Collins Car Carrier Dolly System rolls locked-wheel, hookless, AWD and EV vehicles up the bed without damage.
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Shipping & Returns
Shipping+
Returns+
Unused parts in original packaging can be returned within 30 days for a full refund, less return shipping. Defective items are covered under the 2-year limited warranty — call us and we'll handle the replacement directly.
Fitment Guarantee+
If we confirm a part fits your truck and it doesn't, return shipping is on us. Send a photo before you order and we'll verify it against your NRC model and serial range.