2026 SmithCo SX5-49-38 Side Dump — Unit RT-70

SmithCo SX5-49-38 – Side Dump, 49' frame, AR450

SmithCo SX5-49-38 side dump trailer with a 38' AR450 steel tub and 34 cubic yards (heaped) capacity.

Key Specs

• Year: 2026
• Model: SX5-49-38
• Category: Side Dump
• Frame Length: 49'
• Tub Length: 38'
• Width: 102" wide
• Capacity: 34 cubic yards (heaped) or 25.5 cubic yards (water level)
• Axles: 5-axle
• Applications: construction, mining, agriculture

Tub Construction

• Tub Material: AR450 steel
• Tub Style: round-bottom
• Frame: 80/100 KSI steel frame

Axles & Suspension

• Suspension: Ridewell RW260 air ride
• Axle Features: 1st & 5th axles are steerable/liftable

Hydraulics & Control

• Dumping: Hydraulic dump to either side
• Cylinders: 5-inch dumping cylinders
• Control Valve: hydraulic control valve on the trailer

Wheels & Tires

• Wheels: Hub-piloted aluminum wheels
• Tires: 385/65R22.5 "J" ply super single tires

Additional Features

• Tarp: Electric roll-over mesh tarp
• Safety: Integrated push block; LED lighting
• Hinges: Self-aligning spherical bearing hinges
• Stability: Engineered for high stability on uneven terrain; suitable for windrow and stockpile dumping