Overview

SmithCo’s SX4 Four Axle side dump trailer is primarily used in states that allow extended weights and is usually part of a line-haul application.

The SX4-4936 is the most popular length for a four axle trailer. Lift axles and steerable axles are common options to add on this series.

Features

	Waterfull	Heaped
34’ tub	23 cu yd	31 cu yd
36’ tub	24 cu yd	32 cu yd

Specs shown are for 46’ frame length; other configurations available.

Frame Length	46’
Tub Length	36’
Width	102'
Height	8’ 7” at Tub side, 9’ 10” at Center
Tub Construction	1/4" Thick, AR450 Steel (or equivalent) 3/16” Thick , AR450 Steel (or equivalent) is optional External column supports, no center tub divider
Frame Construction	80/100 KSI, Fabricated Steel I-beam
Kingpin	2" Kingpin, 18" Setting, Replaceable Type
Landing Gear	Two Speed, Non-Load Bearing
Bumper	Push Bar Type, Bolt-On
Cylinders	3500 PSI, 5" bore
Hinges	Self-Aligning, Spherical Bearing Type (greaseable)
Suspension	Air Ride Suspension Standard; Spring Ride Available
Axles	(4) 25,000# capacity
Hubs	10 Hole, Hub Piloted
ABS	2S1M Anti-Lock Brake System
Drums	Outboard Mount, Cast Steel
Wheels	Steel Disc, 8.25 x 22.5 (16)
Tires	11R 22.5 G Radial Tires (16)
Brakes	16 1/2" x 7"
Fenders	Front & Rear, 1/4" Synthetic, 7 Degree Slope
Lights	12 Volt ICC w/ Sealed Harness
Mud Flap	(2) Polyline Anti-Spray Splash Guard w/SmithCo name
Paint	Polyurethane, any combination of gray, white or black Special colors available upon request
Min. Tractor Hydraulic Reqs.	25-30 GPM 2,600-2,800 PSI 10 Gallon Reservoir