01 — Overview
What It Does
SmithCo SX3-42-34 – Side Dump, 42' frame, 34' tub
SmithCo SX3-42-34 Side Dump with 34' tub, SX-ROUND BOTTOM; 1/4" AR400 sides and floor
Key Specs
- Manufacturer: SmithCo
- Model: SX3-42-34
- Category: Side Dump
- Configuration: CLOSED TRIAXLE
- Width: 102"
- Frame Length: 42'
- Tub Length: 34'
- Tub Volume (water level): 23 CUBIC YARDS
- Tub Volume (heaped): 30.3 CUBIC YARDS
Tub Construction
- Tub Style: SX-ROUND BOTTOM
- Tub Sides: 1/4" AR400
- Tub Floor: 1/4" AR400
- Tub Dividers: 0
- Tub Paint #: DV-19040 (BLACK)
Hydraulics & Control
- Hydraulics: 5" CYLINDERS
- Valve on Trailer: HYDRAULIC CONTROL VALVE ON TRAILER (ELECTRIC/HYDRAULIC)
- Grease Bank: GREASE BANK FOR HYDRAULIC CYLINDERS FRONT AND REAR - STD
- Lock Out Switch: TARP LOCKOUT
Axles & Suspension
- Suspension: RIDEWELL RW260
- Axle Spacing: 49"
- Lift Axle: 3RD
- ABS-Axles: 25K 1
- Non-ABS Axles: 25K 2
- Axle Track: 77.5"-STD
- Hubs: DURALITE-STD
- Brakes: 16-1/2" x 7"
- Drums: CAST STEEL
Wheels & Tires
- Wheel Style: HUB-PILOTED U/M
- Wheel Type: AL SS 12.25x22.56 SUPER SINGLE ALUMINUM
- Tires: 385/65R22.5 "J" PLY SUPER SINGLE 6
Additional Features
- Dolly Legs: BINKLEY
- Fenders: ALL PLASTIC
- Frame Paint #: DV-19040-DTM (BLACK)
- Tarp Brand: AERO
- Tarp Type: MESH-NON SEALED
- W Style Pushblock: W STYLE PUSHBLOCK - STD
- Large Liquid Filled Air Gauge: LARGE LIQUID FILLED AIR GAUGE ON DRIVER'S SIDE - STD
Lighting & Safety
- Taillights: 3 TAILLIGHTS - RED
- ID Lights: 5 ID LIGHTS AT REAR
02 — Specifications
By the Numbers
| Item Number | SMITHCO-3-AXLE-SIDE-DUMP-TRAILER-3 |
| Condition | New |
| Make | SmithCo |
| Availability | In Stock |
Full spec sheets and freight dimensions available per listing.
Manufacturer names are trademarks of their respective owners and are used for identification only.
Inventory
Real units, real specs
Financing
Soft-pull pre-approval in 24h
Freight
Heavy-haul, coast to coast
Support
One team, purchase to delivery
03 — Request a Quote
Pricing, Specs & Freight
Want a delivered price, a full spec sheet, condition details, or financing on this unit? Tell us what you need and a Working Iron sales rep will follow up.
- 01
We confirm the unit
Availability and current condition, with more photos on request.
- 02
We price it to your door
Freight quoted to your delivery ZIP, nationwide.
- 03
You decide
No obligation. Financing is available if you want it.



