SPECIFICATIONS
& DIMENSIONS
The Ultra Max 340 Triaxle Side Dump is where speed meets precision. Built for operators who demand fast, clean unloading without sacrificing payload capacity, the 340 delivers a smooth, controlled side-dump action that gets you back on the road faster than ever. The triaxle configuration provides the perfect balance of load-bearing strength and maneuverability, making it equally at home on tight job sites and open highway hauls. Constructed with heavy-duty materials engineered to handle the most punishing loads cycle after cycle, the Ultra Max 340 isn't just a side dump — it's a competitive advantage.
| Overall Height | 9' 6" |
| Overall Length | 38' 1" |
| Axle Spread | 60" |
| King Pin Setting | 20" is standard |
| King Pin Height | 48" |
| Wall Height | 8' 5.5" |
| RTAC Compliant | YES |
| Body Capacity | 21.5 cubic yard capacity |
| Box Front & Rear Wall | AR 450 1/8” |
| Box Sides & Floor | AR 450, 4mm |
| Suspension | Intraax AA25K air ride, 25,000 pound capacity per suspension |
| Top Rail | 6” x 6” x 3/16” Tube |
| Axles | 77 inch track, 25,000 pound capacity per axle, oil seals |
| Wheels | Unimount 10 hole wheels with light weight hubs and drums, 8.25 x 22.5 |
| Tires | BF Goodrich, Cross Control 11Rx22.5 radial tires / Firestone T 819 |
| ABS | 2 sensor, 1 module |
| Steps | Rear of trailer |
| Fenders | Aluminum ½ round fenders |
