Tri Axle Side Dump Trailers with Air Ride Suspension For Sale

(844) 301-___ SHOW
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2026 SmithCo 4736 SUPER TRI WITH REAR LIFT AXLE VALVE ON TRAILE Side Dump Trailer

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Smith Co 47' Super Tri Axle with Rear Lift, Valve on Trailer, Elec Tarp, All Axles Dualed Out on Aluminum Outside Wheels

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	T1531
MLS Number	10779399
Category	Side Dump Trailers
Last Updated	2/10/2026
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

(844) 301-___ SHOW
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2026 SmithCo 4736 SUPER TRI REAR LIFT ELEC TARP Side Dump Trailer

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Smith Co Super Tri, 47' Long, 36' Tub, Rear Lift Axle Dualed Out, Grease Lines to Drivers Side Fenders (Can Grease Cylinder Pins From Ground) Valve on Trailer, Dressed Out Well And Ready To...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	T1999
MLS Number	10198674
Category	Side Dump Trailers
Last Updated	2/10/2026
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

(844) 714-___ SHOW
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2026 SmithCo SX3-47-36 Side Dump Trailer

$79,400 USD

Made in the USA!! 47' trailer with 36' tub, 32 cubic yard capacity, 79" 3rd axle spacing, 18" Kingpin setting, 25K Axles, 2 speed landing gear, Electric roll over tarp, 1/4" AR450 hardened...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	7020
MLS Number	14127621
Category	Side Dump Trailers
Last Updated	2/5/2026
Location	Boise, ID, US
Sold By	Diesel Depot

(844) 362-___ SHOW
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2025 Demco CR423-AR-3424 Side Dump Trailer

$74,500 USD

42FT TRIPLE AXLE AIR RIDE, 34FT AR450 1/4" BLACK TUB WITH DUMP DRAIN KIT AND XL HIGH-CAPACITY SIDE KIT, ROLL RITE HIGH CAP ELECTRIC ROLL TARP WITH LOCK -OUT, MOUNTED ELECTRIC OVER HYDRALIC...

Condition	New
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SS000328
MLS Number	12728016
Category	Side Dump Trailers
Last Updated	1/31/2026
Location	Owatonna, MN, US
Sold By	Curt's Truck and Diesel Service Inc.

2026 SmithCo SX3-4234 TRI-AXLE Side Dump Trailer

$81,500 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) Coming Soon! 2026 SmithCo SX3-4234 Steel Tri-Axle Side Dump, 42' Frame Length (Black), 34' Tub Length (Gray - Round Bottom), 102" Wide, 18" Pin...

Condition	New
L x W	42 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	26SM022
MLS Number	14116635
Category	Side Dump Trailers
Last Updated	1/29/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(800) 480-___ SHOW
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2027 Demco CR423-AR-3424 Side Dump Trailer

$79,445 USD

Contact for rental/lease prices

Enjoy $0 Down Financing with No Payments for 6 Months, Affordable Nationwide Delivery, and Unbeatable Prices! New Demco Triple Axle Side Dump Trailer w/ a 34', 22.5 Cu Yd Capacity Tub, 128"...

Condition	New
Suspension	Air Ride
Rear Axle	Tri Axle
MLS Number	12998717
Category	Side Dump Trailers
Last Updated	1/28/2026
Location	Henderson, IA, US
Sold By	Keast Enterprises

(800) 480-___ SHOW
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2027 Demco 44ft Tri Axle Steel Side Dump Trailer - Air Ride

$76,961 USD

Enjoy $0 Down Financing with No Payments for 6 Months, Affordable Nationwide Delivery, and Unbeatable Prices! New Demco Triple Axle Side Dump Trailer w/ a 37', 24 Cu Yd Capacity Tub, 128"...

Condition	New
Suspension	Air Ride
Rear Axle	Tri Axle
MLS Number	12925722
Category	Side Dump Trailers
Last Updated	1/28/2026
Location	Henderson, IA, US
Sold By	Keast Enterprises

2026 SmithCo SX3-4234 TRI-AXLE Side Dump Trailer

$81,500 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) Coming Soon! 2026 SmithCo SX3-4234 Steel Tri-Axle Side Dump, 42' Frame Length (Black), 34' Tub Length (Gray - Round Bottom), 102" Wide, 18" Pin...

Condition	New
L x W	42 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	26SM020
MLS Number	14086020
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2025 SmithCo SX3-4234 TRI-AXLE Side Dump Trailer

$81,500 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4234 Steel Tri-Axle Side Dump, 42' Frame Length (Black), 34' Tub Length (Gray - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	42 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34234
MLS Number	13166609
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	London, OH, US
Sold By	Vander Haag's Inc.

2025 SmithCo SX3-4234 TRI-AXLE Side Dump Trailer

$81,500 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4234 Steel Tri-Axle Side Dump, 42' Frame Length (Black), 34' Tub Length (Gray - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	42 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34234
MLS Number	13166604
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2025 SmithCo SX3-4234 TRI-AXLE Side Dump Trailer

$81,500 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4234 Steel Tri-Axle Side Dump, 42' Frame Length (Black), 34' Tub Length (Gray - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	42 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34234
MLS Number	13166603
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2025 SmithCo SX3-4234 TRI-AXLE Side Dump Trailer

$81,500 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4234 Steel Tri-Axle Side Dump, 42' Frame Length (Black), 34' Tub Length (Gray - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	42 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34234
MLS Number	13166602
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2025 SmithCo SX3-4234 TRI-AXLE Side Dump Trailer

$81,500 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4234 Steel Tri-Axle Side Dump, 42' Frame Length (Black), 34' Tub Length (Gray - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	42 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34234
MLS Number	13166601
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2025 SmithCo SX3-4234 TRI-AXLE Side Dump Trailer

$81,500 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4234 Steel Tri-Axle Side Dump, 42' Frame Length (Black), 34' Tub Length (Gray - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	42 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34234
MLS Number	13166599
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2026 SmithCo SX3-4234 TRI-AXLE Side Dump Trailer

$81,500 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4234 Steel Tri-Axle Side Dump, 42' Frame Length (Black), 34' Tub Length (Gray - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	42 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34234
MLS Number	13166597
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(844) 714-___ SHOW
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2026 SmithCo MHVSR3-44-36 Side Dump Trailer

$89,200 USD

Made in the USA!! 44' trailer with 36' tub, 63.7 cubic yard capacity, 24" Side extensions, 2 speed landing gear, 18" Kingpin setting, Electric roll over tarp, 1/4" AR450 hardened steel tub,...

Condition	New
L x W	44 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	7012
MLS Number	14056816
Category	Side Dump Trailers
Last Updated	1/9/2026
Location	Aberdeen, ID, US
Sold By	Diesel Depot

2026 SmithCo SX3-4736 Side Dump Trailer

$84,100 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4736 Steel Tri-Axle Side Dump, 47' Frame Length (Black), 36' Tub Length (Black - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34736
MLS Number	13166589
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	London, OH, US
Sold By	Vander Haag's Inc.

2026 SmithCo SX3-4736 Side Dump Trailer

$84,100 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4736 Steel Tri-Axle Side Dump, 47' Frame Length (Black), 36' Tub Length (Black - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34736
MLS Number	13166588
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2026 SmithCo SX3-4736 Side Dump Trailer

$84,100 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4736 Steel Tri-Axle Side Dump, 47' Frame Length (Black), 36' Tub Length (Black - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34736
MLS Number	13166586
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2026 SmithCo SX3-4736 Side Dump Trailer

$84,100 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4736 Steel Tri-Axle Side Dump, 47' Frame Length (Black), 36' Tub Length (Black - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34736
MLS Number	13166582
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2026 SmithCo SX3-4736 Side Dump Trailer

$84,100 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4736 Steel Tri-Axle Side Dump, 47' Frame Length (Black), 36' Tub Length (Black - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34736
MLS Number	13166579
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2026 SmithCo SX3-4736 Side Dump Trailer

$84,100 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4736 Steel Tri-Axle Side Dump, 47' Frame Length (Black), 36' Tub Length (Black - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34736
MLS Number	13166577
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2026 SmithCo SX3-4736 Side Dump Trailer

$84,100 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) SmithCo SX3-4736 Steel Tri-Axle Side Dump, 47' Frame Length (Black), 36' Tub Length (Black - Round Bottom), 102" Wide, 18" Pin Setting, Air Ride...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SM-SX34736
MLS Number	13166385
Category	Side Dump Trailers
Last Updated	1/13/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2027 JET SDS453602A35 Side Dump Trailer

Contact for price

FET INCLUDED, Call For Pricing And Availability! 47’ x 102” Spread Triple Axle Chassis, 36' Round Bottom Tub, Air Ride, 49” Axle Spacing w/ 72” Spread Lift 3rd Axle, ABS 2S1M System, 18”...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	36JETSIDEDUMP3AXLSPR
MLS Number	11235947
Category	Side Dump Trailers
Last Updated	1/8/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.