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Stock Number: WCO4136
Length: 40 ft
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum
VIN: 1S9SS4029NL476434
Description: 2021 SmithCo SX2 Side Dump Trailer featuring a tandem (2) axle configuration, 75,440 lb GVWR, 20,000 lb GAWR per axle, and a 15,440 lb empty weight...
Updated: Thursday, July 16, 2026 07:24 AM
Location: Rifle, Colorado, USA
Seller: Cutting Edge Auctions LLC
Quantity: 2
Length: 40 ft
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum/Steel
Tires: 11R24.5
Description: 2-2027 Smithco Side Dump Trailer on order and arriving soon
Model SX2
Gray tubs on black chasis
Air Ride
Aero electric tarp
Soft close valve ...
Updated: Tuesday, June 30, 2026 09:10 AM
Location: Kyle, Texas, USA
Seller: Southwestern Pneumatic, Inc.
Quantity: 2
Length: 40 ft
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum/Steel
Number of Rear Axles: Tandem
Description: 2-2027 Smithco Side Dump Trailer on order and arriving soon
Model SX2
Gray tubs on black chasis
Air Ride
Aero electric tarp
Soft close valve ...
Updated: Tuesday, June 30, 2026 09:10 AM
Location: Venus, Texas, USA
Seller: Southwestern Pneumatic, Inc.
Stock Number: 26SM001
Length: 40 ft
Width: 102 in
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum Outside
Description: (Price is FOB the Factory - FET Included) 2025 SmithCo SX2-4034 Steel Tandem-Axle Side Dump, 40' Frame Length (Black), 34' Tub Length (Gray - Round...
Updated: Monday, June 08, 2026 01:43 PM
Location: London, Ohio, USA
Seller: Vander Haag's Inc. London
Length: 40 ft
Suspension: Air Ride
Wheels: All Steel
Number of Rear Axles: Tandem
Model: SX2
Capacity: 22.94 m3
Description: SX2-4034 FET Not Included "Call for Pricing"
TAPERED FRAME
BLACK FRAME BLACK TUB
102" WIDE ...
Updated: Monday, July 06, 2026 03:55 PM
Location: Aurora, Colorado, USA
Seller: Wagner Truck & Trailer
Stock Number: CT1624
Length: 42 ft
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum
Tires: 11R22.5
Description: 2017 SmithCo Model SX2-42-34
Serial # 13059
42 ft frame
34 ft tub 3/16" AR400 Tub Material
Holland / Binkley Drop Leg Landing Gear
5" Cylind...
Updated: Wednesday, June 10, 2026 11:25 AM
Location: Sioux Falls, South Dakota, USA
Seller: Vander Haag's Inc. Sioux Falls
Quantity: 3
Length: 42 ft
Width: 102 in
Suspension: Ridewell
Composition: Steel
Wheels: Aluminum
Description: SmithCo SX3-42-34 – Side Dump, 42', 102"
SmithCo SX3-42-34 Side Dump with 42' frame and 34' tub (SX-ROUND BOTTOM), 102" wide.
Key Specs
Manufa...
Updated: Wednesday, June 24, 2026 02:33 PM
Location: Salt Lake City, Utah, USA
Seller: WESTERN TRUCK & TRAILER
Stock Number: 6846
VIN: 1S9SS4236TL6476846
Model: SX3-42-34
Description: Available end of January or beginning of February 2026!
Pictures shown are of a recently sold 2025 SX-3 with the same specifications.
SPECIFI...
Updated: Tuesday, May 26, 2026 03:50 PM
Location: Rushford, Minnesota, USA
Seller: Bluff Country Ag & Equipment
Stock Number: 476745
VIN: 1S9SS4230TL476745
Model: SX3-42-34
Description: Selling this awesome 2026 tri axel side dump model SXL3-42-34 VIRGIN BED NEVER BEEN USED with a 2020 Peterbilt 567, SAVE BIG ON F.E.T., Truck is am...
Updated: Monday, July 06, 2026 10:51 AM
Location: West Valley City, Utah, USA
Seller: Utah Tank & Trailer
Length: 42 ft
Suspension: Air Ride
Composition: Steel
Wheels: All Aluminum
VIN: 1S9SS4238JL476277
Number of Rear Axles: Tri
Description: We are the second owners of this trailer. Purchased approx 1.5 years ago in South Dakota from a family owned aggregate hauling outfit. This traile...
Updated: Monday, July 13, 2026 09:01 AM
Location: Fremont, Nebraska, USA
Seller: ELI ENTERPRISES LLC
Length: 42 ft
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum Outside
VIN: 1S9SS4231FL476841
Number of Rear Axles: Tri
Description: New Brakes! Just had annual inspection and is ready for work!
Updated: Monday, June 29, 2026 05:52 PM
Location: Billings, Montana, USA
Seller: The Truck Shop of Billings, Inc.
Quantity: 5
Length: 36 ft
Width: 102 in
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum
Description: SmithCo SX4-49-36 Side Dump with 36' tub and SX-ROUND BOTTOM tub.
Width: 102" WIDE
Frame length: 49'
Tub length: 36'
Tub volume: 36' SX – WATER...
Updated: Wednesday, June 24, 2026 02:33 PM
Location: Salt Lake City, Utah, USA
Seller: WESTERN TRUCK & TRAILER
Length: 49 ft
Suspension: Air Ride
Composition: Steel
Wheels: All Aluminum
VIN: 1S9SS4940LL476176
Tires: 385/65/R22.5
Description: 2020 SmithCo SX4 Side Dump Trailer – $70,000 FIRM
46' frame, 36' tub, 102" wide. Built tough and ready to work.
Tub is ¼" AR450 abrasion-resistan...
Updated: Monday, July 06, 2026 10:14 AM
Location: Lehi, Utah, USA
Seller: Extreme Diesel & Heavy Equipment Repair LLC
Stock Number: S476397
Length: 49 ft
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum
VIN: 1S9SS4949JL476397
Description: photos incoming!
Used equipment shouldn't come with surprises. This 2018 SmithCo SX4 Quad Axle Side Dump is currently undergoing a complete inspec...
Updated: Wednesday, July 15, 2026 12:52 PM
Location: West Valley City, Utah, USA
Seller: Utah Tank & Trailer
Stock Number: S476549
Length: 49 ft
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum
VIN: 1S9SS4945GL476549
Description: Pictures Incoming!!!
This 2016 SmithCo SX4 isn't being sold straight from a jobsite or auction. Before it reaches its next owner, it's being run t...
Updated: Wednesday, July 15, 2026 12:52 PM
Location: West Valley City, Utah, USA
Seller: Utah Tank & Trailer
Quantity: 5
Length: 49 ft
Model: SX5
Description: SmithCo SX5-49-38 – Side Dump, 38' tub, 1/4" AR450
SmithCo SX5-49-38 Side Dump with 38' tub and SX-ROUND BOTTOM tub style.
Key Specs
Model: SX...
Updated: Wednesday, June 24, 2026 02:33 PM
Location: Salt Lake City, Utah, USA
Seller: WESTERN TRUCK & TRAILER
Length: 49 ft
Suspension: Ridewell
Composition: Steel
Wheels: All Aluminum
Number of Rear Axles: Tri
Model: SX5
Description: Key Specs
Frame Width: 102"
Frame Length: 49'
Tub Length: 38'
Tub Volume (water level): 25.5 CUBIC YARDS
Tub Volume (heaped): 33.8 CUBIC YARDS...
Updated: Wednesday, June 24, 2026 02:33 PM
Location: Salt Lake City, Utah, USA
Seller: WESTERN TRUCK & TRAILER
Length: 53 ft
Width: 102 in
Suspension: Ridewell
Composition: Steel
Wheels: Polished Aluminum
Tires: 22.5
Description: SmithCo SX6-53-40 – Side Dump, 53' x 40', AR450
SmithCo SX6-53-40 side dump with 53' overall length and a 40' tub.
Key Specs
Wideframe: 102"
...
Updated: Wednesday, June 24, 2026 02:33 PM
Location: Salt Lake City, Utah, USA
Seller: WESTERN TRUCK & TRAILER
