A smaller 48V dolly for light trailers whose tongue weight stays very low.
Amazon $1,199The Hulvami Electric Trailer Dolly 4101 rates 2.8 among 4,000 to 6,999 lb electric trailer dollys; the Tow Tuff TMD-35ETD8 rates 2.4 among under 4,000 lb ones. The Tow Tuff TMD-35ETD8 costs $344.10 less ($854.90 vs $1,199).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

A straightforward 3,500 lb dolly from a trailer-accessory brand, at about $244 per 1,000 lb.
Amazon $854.90Scores side by side
These two sit in different trailer weight classes (4,000 to 6,999 lb and under 4,000 lb), and each is scored against the reference points for its own class, so a rating says how well each does among its own trailer weight peers. How we rank explains each factor.
| Factor weight | Hulvami Electric Trailer Dolly 4101 | Tow Tuff TMD-35ETD8 |
|---|---|---|
| Overall rating | 2.8/5 | 2.4/5 |
| Value 30% | 18 $292.37 per 1,000 lb ($1,199, 4,101 lb) | 26 $237.47 per 1,000 lb ($854.90, 3,600 lb) |
| Capacity 20% | 21 4,101 lb of trailer weight | 15 3,600 lb of trailer weight |
| Motor power 15% | 56 800 W motor | 50 motor power not published (neutral score used) |
| Features 25% | 75 battery on board, parking or active brake, trailer connector, overload protection, variable or two-speed control | 30 battery on board, variable or two-speed control |
| Warranty 10% | 0 warranty not published, scored as none | 0 1-year warranty |
Specifications
| Hulvami Electric Trailer Dolly 4101 | Tow Tuff TMD-35ETD8 | |
|---|---|---|
| Capacity | ||
| Max trailer weight (as titled) | 4,101 lb | 3,600 lb |
| Max tongue weight | 101 lb | 600 lb |
| Coupler height | 26.4 to 43.3 in | 22 to 28.4 in |
| Hitch balls | 2 in and 2-5/16 in | 2 in |
| Drive | ||
| Type | Wheeled dolly | Wheeled dolly |
| Motor | 800 W | - |
| Voltage | 48 V | 24 V |
| Battery | 48 V, 12 Ah | 24 V, 7 Ah |
| Power source | Onboard battery | Onboard battery |
| Speed | - | 1.5 mph |
| Control | Handle | Handle |
| Features | ||
| Parking or active brake | Yes | No |
| Trailer connector | Yes | No |
| Overload protection | Yes | No |
| Variable or two-speed | Yes | Yes |
| Build | ||
| Weight | - | 101 lb |
| Warranty | - | 1 year |