2023 SmithCo SX4 Side Dump — Unit RT-47

SmithCo SX4 – Side Dump, 4-axle, AR450

SmithCo SX4 is a Side Dump with AR450 steel tub construction and a 4-axle configuration.

Key Specs

• Frame lengths: 37 to 50 feet
• Tub material: AR450 steel tubs
• Frame material: 80/100 KSI steel frames
• Axle configuration: 4-axle (SX4)

Tub Construction

• Floor: One-piece floor
• Supports: External column tub supports
• Center divider: None
• Hinges: Self-aligning and spherical
• Watertight: Yes
• Load height: Low load height

Hydraulics & Control

• Cylinder placement: Cylinders placed at the ends of the tub

Axles & Suspension

• SX4: 4-axle
• SX6: 6-axle; three standard axles and three steerable lift axles; 37.4-ton haul capacity
• SX7: 7-axle; can haul 40 tons in a single trailer

Additional Features

• Dump direction: Dumps to either side
• Paint prep: Shot blast with polyurethane paint
• Customer solutions: Ability to create custom solutions for specific customer needs