01 — Overview
What It Does
SmithCo SX3-42-34 – Side Dump, 42' frame, 34' tub
SmithCo SX3-42-34 Side Dump with a 42' frame and a 34' SX-ROUND BOTTOM tub.
Key Specs
- Manufacturer: SmithCo
- Model: SX3-42-34
- Category: Side Dump
- Configuration: CLOSED TRIAXLE
- Width: 102"
- Frame Length: 42'
- Tub Length: 34'
- Tub Style: SX-ROUND BOTTOM
Tub Construction
- Tub Sides: 1/4" AR450
- Tub Floor: 1/4" AR450
- Tub Dividers: 0
- Tub Volume (water level): 34' SX - 22.8 CUBIC YARDS
- Tub Volume (heaped): 34' SX - 30.3 CUBIC YARDS
Hydraulics & Control
- Hydraulics: 5" CYLINDERS
- Valve on trailer: HYDRAULIC CONTROL VALVE ON TRAILER (ELECTRIC/HYDRAULIC)
Axles & Suspension
- Suspension: RIDEWELL RW260 AIR RIDE
- Axle Spacing: 49"-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: DC RLB980 385/65R22.5 (6)
Additional Features
- Dolly Legs: BINKLEY
- Fenders: ALL PLASTIC
- Tub Paint #: DV-19088 (WHITE)
- Frame Paint #: DV-19040-DTM (BLACK)
- Tarp Brand: AERO
- Tarp Type: MESH-NON SEALED
- Lock OTU Switch: TARP LOCKOUT
- Pushblock: W STYLE PUSHBLOCK - STD
- Air Gauge: LARGE LIQUID FILLED AIR GAUGE ON DRIVER'S SIDE - STD
- Grease Bank: GREASE BANK FOR HYDRAULIC CYLINDERS FRONT AND REAR - STD
Lighting & Safety
- Tail lights: 3 TAILLIGHTS - RED
- ID lights: 5 ID LIGHTS AT REAR
02 — Specifications
By the Numbers
| Item Number | NEW-SMITHCO-SX3-CLOSED-TRIAXLE-TRAILER |
| 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 pricing details, a full spec sheet, or a freight estimate before you buy? Send it over and the Working Iron team responds within one business day.



