The 12-foot fully automatic dovetail is why this trailer costs what it does. Hit the switch and the tail lays down on its own; load the machine, hit it again and it comes back up flat. No 200-pound manual ramps to wrestle, no second person, no scraped skid plate. If you load and unload tracked equipment alone several times a week, the dovetail pays for itself in shoulders.
It runs off a Group 27 battery kept topped up by a 7-watt Solarpulse charger and a 5-amp charger on the dovetail circuit. That matters because a trailer that sits three weeks between jobs with a dead battery has a dovetail you cannot move.
What it will carry
GVWR is 25,000 lbs. Empty is 8,480 lbs. Payload is 16,520 lbs, which puts a mid-size excavator, a large tractor with an implement, or two skid steers within reach. Two 10K electric drum brake axles ride on 5-leaf slipper springs, with ST235/80R16 dual 14-ply radials on 8-hole black wheels. The frame is a 16-inch engineered beam with 3-inch I-beam crossmembers on 16-inch centers and formed gussets.
Read the payload number against your truck honestly. A one-ton dually is the floor for hauling near 25,000 lbs gross, and depending on your state you are into CDL and medical-card territory once the combined rating crosses 26,001 lbs. Check before you buy, not at a weigh station.
Deck and hardware
Thirty-five feet total with 2-inch treated decking and the Blackwood outer decking option, which puts a harder-wearing surface where tracks and outriggers actually land. Six 5/8-inch D-rings, a 2 x 3/8 inch rub rail with stake pockets and pipe spools, a 14 x 14 x 42 inch underslung storage box and a winch mounting tray. Coupler is a 25K Bulldog BX1 on a 2-5/16 inch ball with a 12-inch engineered neck and sway control pipe. Dual 12K drop-leg jacks. All LED lighting.
| Model | 2024 Diamond C FMAX210 HDT35x102, black, new |
|---|---|
| Deck | 8.5 x 35 ft, 2 in treated with Blackwood outer decking |
| Dovetail | 12 ft fully automatic, 5 amp charger |
| Frame | 16 in engineered beam, 3 in I-beam crossmembers on 16 in centers |
| Axles | Two 10K electric drum brake, 5-leaf slipper spring |
| Coupler | 25K Bulldog BX1, 2-5/16 in ball, 12 in engineered neck, sway control pipe |
| Jacks | Dual 12K drop-leg |
| Power | Group 27 battery, 7 watt Solarpulse charging |
| Tie-downs | Six 5/8 in D-rings, 2 x 3/8 in rub rail with stake pockets and pipe spools |
| Storage | 14 x 14 x 42 in underslung box, winch mounting tray |
| Tires | ST235/80R16 dual 14-ply radial, 8-hole black wheels |
| GVWR | 25,000 lbs (8,480 lbs empty, 16,520 lb payload) |
Verify brake and dovetail operation at delivery and make sure your bed hitch is rated to 25K. Flat $550 freight to the continental US, prices in USD, 30-day returns.
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