Shopping security
The SmithCo SX6-53-40 is a high-capacity side dump trailer engineered for maximum durability and efficiency in heavy-duty hauling. Built on a 53′ frame with a 40′ SX-ROUND BOTTOM tub, it delivers a load capacity of 26.8 cubic yards (water level) and 35.6 cubic yards (heaped). Constructed with 3/16″ AR450 steel sides and floor, the SX6-53-40 is designed to withstand abrasive materials and demanding jobsite conditions.
Equipped with 6″ hydraulic cylinders, an electric/hydraulic control valve, and Ridewell RW260 air ride suspension, this trailer ensures smooth dumping, reliable performance, and long service life. With multiple steerable lift axles, advanced braking, and durable hubs, the SX6-53-40 is a proven solution for contractors, aggregate haulers, and construction fleets requiring maximum payload and versatility.
| Category | Specification |
|---|---|
| Manufacturer | SmithCo |
| Model | SX6U |
| Category | Side Dump |
| Frame Width | 102″ wide |
| Frame Length | 53′ |
| Tub Length | 40′ |
| Tub Style | SX-ROUND BOTTOM |
| Tub Volume (Water Level) | 26.8 cubic yards |
| Tub Volume (Heaped) | 35.6 cubic yards |
| Tub Construction | 3/16″ AR450 sides & floor, no dividers |
| Tub Paint | DV-19088 (White) |
| Hydraulics | 6″ cylinders, electric/hydraulic control valve on trailer |
| Grease Bank | Front & rear hydraulic cylinders (standard) |
| Suspension | Ridewell RW260 air ride |
| Axle Spacing | 52″–52″–62″–62″–64″ |
| Lift Axles | 1st, 2nd & 6th steerable lifts (13.2K HD) |
| Axles | 25K ABS (1), 25K non-ABS (5) |
| Axle Track | 83.5″ |
| Hubs | Duralite (standard) |
| Brakes | 16.5″ × 7″ |
| Drums | Cast steel, zero offset wheels on super singles |
| Wheel Style | Hub-piloted U/M |
| Wheel Type | (6) 12.25×22.5 SS aluminum super singles (axles 3–5), (6) standard aluminum (axles 1, 2, 6) |
| Tires | (6) 385/65R22.5 super singles (axles 3–5), (6) 275/70R22.5 (axles 1, 2, 6) |
| Fenders | Plastic |
| Dolly Legs | MARK V |
| Tarp Brand/Type | AERO mesh, non-sealed |
| Lockout Switch | Tarp lockout |
| Pushblock | W-style (standard) |
| Air Gauge | Large liquid-filled, driver’s side (standard) |
| Lighting | 3 red taillights, 5 rear ID lights |
Ships within 48 hours · Estimated delivery Jul 21 - Jul 26
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order