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The SmithCo SX4-49-36 is a heavy-duty side dump trailer engineered for maximum efficiency in hauling and dumping operations. Built with a 49-foot frame and a 36-foot SX-round bottom tub, it offers a water-level capacity of 24.1 cubic yards and a heaped capacity of 32 cubic yards.
Constructed with 1/4" AR450 steel sides and floor, the SX4-49-36 is designed for durability under demanding job site conditions. Its Ridewell RW260 air ride suspension, hydraulic control valve system, and 5" hydraulic cylinders ensure smooth operation and reliable dumping performance.
| Category | Specification |
|---|---|
| Model | SX4 |
| Category | Side Dump |
| Width | 102" wide |
| Frame Length | 49' |
| Tub Length | 36' |
| Tub Volume (Water Level) | 24.1 cubic yards |
| Tub Volume (Heaped) | 32 cubic yards |
| Tub Style | SX-round bottom |
| Tub Sides | 1/4" AR450 steel |
| Tub Floor | 1/4" AR450 steel |
| Tub Dividers | None |
| Tub Paint | DV-19088 (White) |
| Frame Paint | DV-19040-DTM (Black) |
| Hydraulics | 5" cylinders, electric/hydraulic control valve, grease banks |
| Suspension | Ridewell RW260 air ride |
| Axle Spacing | 54"-54"-60" |
| Lift Axle | 1st standard lift, 4th axle 16.6K steerable/lift |
| Axles | (4) × 25K (1 ABS, 3 non-ABS) |
| Axle Track | 77.5" standard |
| Hubs | Duralite standard |
| Brakes | 16.5" × 7" |
| Drums | Cast steel |
| Wheel Style | Hub-piloted U/M |
| Wheel Type | Aluminum super single 12.25×22.5 (axles 1–3), 9" aluminum (axle 4) |
| Tires | DC RLB980 385/65R22.5 (axles 1–3), 295/75R22.5 (axle 4) |
| 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 |
| Lighting | 3 red taillights, 5 rear ID lights |
Ships within 48 hours · Estimated delivery Jul 2 - Jul 7
US$40
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