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01 — Overview

What It Does

SmithCo SX6U-53-40 – Side Dump, 53' frame, 40' tub

SmithCo SX6U-53-40 side dump with 53' frame and 40' tub.

Key Specs

  • Width: 102"
  • Frame length: 53'
  • Tub length: 40'
  • Tub volume (water level): 26.8 CUBIC YARDS
  • Tub volume (heaped): 35.6 CUBIC YARDS
  • Tub style: SX-ROUND BOTTOM

Tub Construction

  • Tub sides: 3/16" AR450
  • Tub floor: 3/16" AR450
  • Tub dividers: 0
  • Tub paint #: DV-19040 (BLACK)

Hydraulics & Control

  • Hydraulics: 6" CYLINDERS
  • Valve on trailer: HYDRAULIC CONTROL VALVE ON TRAILER (ELECTRIC/HYDRAULIC)
  • Grease bank: FOR HYDRAULIC CYLINDERS FRONT AND REAR - STD

Axles & Suspension

  • Suspension: RIDEWELL RW260 AIR RIDE
  • Axle spacing: 52"-52"-62"-62"-64"
  • Lift axle: 1ST, 2ND & 6TH (13.2HD) ALL STEERABLE LIFTS ON SEPARATE SWITCHES
  • ABS-axles: 25K 1
  • Non-ABS axles: 25K 5
  • Axle track: 83.5"

Wheels & Tires

  • Hubs: DURALITE-STD
  • Brakes: 16-1/2" x 7"
  • Drums: CAST STEEL ZERO OFFSET WHEELS ON SUPER SINGLES
  • Wheel style: HUB-PILOTED U/M
  • Wheel type: AL SS 12.25x22.56 SUPER SINGLE ALUM ON 3-5, (6) STD ALUM ON 1, 2 & 6
  • Tires: DC RLB980 385/65R22.56 385/65R22.5 ON 3-5, (6) 275/70R22.5 ON 1, 2 & 6

Additional Features

  • Dolly legs: MARK V
  • Frame paint #: DV-19040-DTM (BLACK)
  • Tarp brand: AERO
  • Tarp type: MESH-NON SEALED
  • Lock out switch: TARP LOCKOUT
  • W style pushblock: STD
  • Large liquid filled air gauge: ON DRIVER'S SIDE - STD

Lighting & Safety

  • Taillights: 3 TAILLIGHTS - RED
  • Identification lights: 5 ID LIGHTS AT REAR

02 — Specifications

By the Numbers

Item NumberNEW-SMITHCO-SX6-ULTRA-SIDE-DUMP-TRAILER-4
ConditionNew
MakeSmithCo
AvailabilityIn 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

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Financing

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Freight

Heavy-haul, coast to coast

Support

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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.