Side Dump Trailers with Air Ride Suspension For Sale

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2025 SmithCo SX3-47-36 Side Dump Trailer

Recently Updated

$76,917 USD

Made in the USA!! 47' trailer with 36' tub, 32 cubic yard capacity, 2 speed landing gear, Electric roll over tarp, 1/4" AR450 hardened steel tub, Tarp lock-out switch, Push block, Hydraulic...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	6660
MLS Number	13197487
Category	Side Dump Trailers
Last Updated	3/29/2025
Location	Aberdeen, ID, US
Sold By	Diesel Depot

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2025 SmithCo SX4-4936 Side Dump Trailer

Recently Updated

$97,061 USD

Made in the USA!! 49' trailer with 36' tub, 32 cubic yard capacity, 54" and 60" axle spacing, 18" Kingpin setting, 25K Axles, 2 speed landing gear, Electric roll over tarp, 1/4" AR450...

Condition	New
L x W	49 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Quad Axle
MLS Number	13071709
Category	Side Dump Trailers
Last Updated	3/29/2025
Location	Aberdeen, ID, US
Sold By	Diesel Depot

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2025 SmithCo 40ft Tandem Axle Side Dump Trailer - Air Ride

Newly Listed

$71,650 USD

Condition	New
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	1012203
MLS Number	13485614
Category	Side Dump Trailers
Last Updated	3/29/2025
Location	Salt Lake City, UT, US
Sold By	Mountain West Utility Trailer

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2025 SmithCo 40ft Tandem Axle Side Dump Trailer - Air Ride

Newly Listed

$71,650 USD

Condition	New
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	1012173
MLS Number	13485592
Category	Side Dump Trailers
Last Updated	3/29/2025
Location	Salt Lake City, UT, US
Sold By	Mountain West Utility Trailer

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2025 SmithCo SX3-4736 Side Dump Trailer

Recently Updated

$78,917 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	SX3
MLS Number	13069702
Category	Side Dump Trailers
Last Updated	3/29/2025
Location	Aberdeen, ID, US
Sold By	Diesel Depot

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2025 SmithCo SX3-4736 Side Dump Trailer

Recently Updated

$77,885 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	SX3
MLS Number	13068331
Category	Side Dump Trailers
Last Updated	3/29/2025
Location	Aberdeen, ID, US
Sold By	Diesel Depot

(855) 370-___ SHOW
NUMBERCall Seller

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2025 SmithCo SX2-40-34 Side Dump Trailer

Recently Updated

$73,900 USD

(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 Bottom), 102" Wide, 18" Pin Setting, Air...

Condition	New
L x W	40 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	25SM006
MLS Number	13302489
Category	Side Dump Trailers
Last Updated	3/25/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

(844) 481-___ SHOW
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6 0

2026 Cross Country 5 AXLE Side Dump Trailer

$117,800 USD

2026 CROSS COUNTRY, 48', 5-AXLE, TWO LIFTS, SUPER SINGLES, TARP, PUSH BAR, HARDOX 450 TUB, 6" CYLINDERS, FAST DUMPING, IN STOCK,

Condition	New
Suspension	Air Ride
Rear Axle	Five Axle
Stock Number	NTS4131
MLS Number	13352870
Category	Side Dump Trailers
Last Updated	3/21/2025
Location	Salt Lake City, UT, US
Sold By	Semi Service, Inc.

(833) 965-___ SHOW
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5 0

2025 Sidump'r 42x96 Tri Axle Steel Side Dump Trailer - Air Ride

$82,100 USD

36' Tub, Tri-Axle, Rear Lift Axle, Air Ride, Drum Brakes, Steel Wheels, Electric Mesh Tarp,

Condition	New
L x W	42 ft. x 96 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SC688099
MLS Number	13027889
Category	Side Dump Trailers
Last Updated	3/21/2025
Location	Inver Grove Heights, MN, US
Sold By	North American Trailer

(844) 481-___ SHOW
NUMBERCall Seller

8 0

2026 Cross Country 6-AXLE SIDE DUMP Side Dump Trailer

$127,500 USD

NEW IN STOCK, 2026 CROSS COUNTRY 6 AXLE SIDE DUMP, (3) FIXED AXLES, (3) LIFT AXLES, TARP, HARDOX 450, ROTORY VALVE, ALUM WHEELS 22.5 SUPER SINGLE TIRES ON FIXED AXLES, SINGLE 22.5 ON LIFT...

Condition	New
Suspension	Air Ride
Rear Axle	Six Axle
Stock Number	NTS 6 AXLE
MLS Number	12998560
Category	Side Dump Trailers
Last Updated	3/21/2025
Location	Salt Lake City, UT, US
Sold By	Semi Service, Inc.

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2025 SmithCo 65 YARD 4736 MHV WITH 24" EXTENSIONS Side Dump Trailer

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Smith Co 4736 MHV 65 Yards Capacity with 24: Extensions, Weight 19,500 Pounds. Super Tri with Dualed Out Rear Lift Axle, Work Lights Front Fender and 2 In Rear, Valve on Trailer

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	T1795
MLS Number	11686625
Category	Side Dump Trailers
Last Updated	3/17/2025
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

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2025 SmithCo 4736 MHV 65 YARD HIGH VOLUME SIDE DUMP Side Dump Trailer

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65 Yard High Volume MHV Smith Co Super Tri Side Dump with Rear Lift and 24" Extensions, Electric Tarp,

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	T1616
MLS Number	11264068
Category	Side Dump Trailers
Last Updated	3/17/2025
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

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2016 SmithCo 24x102 Tandem Axle Trailer - Air Ride

$19,900 USD

This 2016 SMITHCO Pup Trailer offers a durable and efficient solution for hauling. With a 24-foot length and 102-inch width, it's designed for optimal stability and load distribution. The...

Condition	Used
L x W	24 ft. x 102"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	51657
MLS Number	13170397
Category	Side Dump Trailers
Last Updated	3/17/2025
Location	Salt Lake City, UT, US
Sold By	Mountain West Utility Trailer

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2025 Sidump'r SDR449-4971 Trailer

$109,000 USD

This 2025 SIDUMPR SDR449-4971 quad-axle side dump is built for heavy-duty hauling with a 36’ 500TUF HARDOX steel tub. Designed for versatility, it features a pintle assembly, making it...

Condition	New
Suspension	Air Ride
Rear Axle	Quad Axle
Stock Number	159733
MLS Number	13415004
Category	Side Dump Trailers
Last Updated	3/17/2025
Location	Salt Lake City, UT, US
Sold By	Mountain West Utility Trailer

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2016 SmithCo 46x102 Quad Axle Trailer - Air Ride

$52,000 USD

This 2016 SMITHCO trailer is 46 feet long and 102 inches wide. It is equipped with 385/65R22.5 aluminum single wheels and has four axles. The trailer features a fixed air ride suspension for...

Condition	Used
L x W	46 ft. x 102"
Suspension	Air Ride
Rear Axle	Quad Axle
Stock Number	51656
MLS Number	13170396
Category	Side Dump Trailers
Last Updated	3/17/2025
Location	Salt Lake City, UT, US
Sold By	Mountain West Utility Trailer

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2026 Sidump'r SDR653-6049 Trailer

$135,900 USD

This 2026 SIDUMPR SDR653-6049 53’ aluminum side dump trailer is engineered for efficiency and durability. It features a 40’ 500TUF HARDOX steel tub with fender belting and a rock guard for...

Condition	New
L x W	53 ft. x 102"
Suspension	Air Ride
Stock Number	161017
MLS Number	13415001
Category	Side Dump Trailers
Last Updated	3/17/2025
Location	Salt Lake City, UT, US
Sold By	Mountain West Utility Trailer

(833) 346-___ SHOW
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2 0

2025 JET 40x102 Tandem Axle Steel Side Dump Trailer - Air Ride

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$1,950/mo to rent

40' Trailer Length, 34' round bottom tub, Superior Engineered Tub Corners to prevent cracking 2 Way Directional Hydraulic Valve, 4 Pivot Points per side, 8 Total, Trunion mounted inverted...

Quantity	12
Condition	New
L x W	40 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	NE7807
MLS Number	12437449
Category	Side Dump Trailers
Last Updated	3/15/2025
Location	Henderson, CO, US
Sold By	Utility Trailer Interstate

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2025 SmithCo SX4 side dump Side Dump Trailer

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Call for rental/lease prices

SmithCo Side Dump Quad Axle, Model SX4-4936 36' Tub AR400 1/4" Steel Round Bottom, 48'6" Overall Length, 2" Kingpin with 18" setting, 24 Cubic Yard / Waterfull and 32 Cubic Yard / Heaped,...

Condition	New
L x W	49 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Quad Axle
Stock Number	T1974
MLS Number	13447049
Category	Side Dump Trailers
Last Updated	3/13/2025
Location	Woodland, WA, US
Sold By	Trailer Sales LLC

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2025 SmithCo SX4-4936 Side Dump Trailer

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Smithco 4 Axle on the ground and ready to make you $$$. Tarp Safety Lockout, 19,660 empty weight. Smithco is the leading USA Manufacturer of Side Dump Trailers. They dump fast, clean out...

Condition	New
L x W	49 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Quad Axle
Stock Number	T1973
MLS Number	13447042
Category	Side Dump Trailers
Last Updated	3/13/2025
Location	Woodland, WA, US
Sold By	Trailer Sales LLC

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2025 SmithCo SX5-4938 Side Dump Trailer

$108,600 USD

Made in the USA!! 49' trailer with 38' tub, 34 cubic yard capacity, 97"-54" and 60" axle spacing, 18" Kingpin setting, 3 Fixed 25K Axles and 2 Steerable/liftable 16,600 axles (1st and 5th),...

Condition	New
L x W	49 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Five Axle
Stock Number	6783
MLS Number	13446762
Category	Side Dump Trailers
Last Updated	3/13/2025
Location	Aberdeen, ID, US
Sold By	Diesel Depot

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2025 SmithCo 49' 36' TUB QUAD AXLE 54"-54"-60" SPREAD FRONT/REA Quad Axle Steel Frame Side Dump Trailer - Air Ride, Fixed Axle

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49' Frame, 1/4" 36' Tub, Front and Rear Lift Axle, Push Block, Electric Tarp, Valve on Trailer, Grease Lines to Cylinder Pins Plumbed to Drivers Side Fenders,

Condition	New
Suspension	Air Ride
Rear Axle	Quad Axle
Stock Number	T7589
MLS Number	9858088
Category	Side Dump Trailers
Last Updated	3/13/2025
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

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2025 SmithCo 4436 TRI AXLE AIR RIDE TARP/VALVE Side Dump Trailer

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2025 Smith Co 44' Frame 36' Tub Tri Axle Air Ride All Down Axles 11R22.5 Duals on Aluminum Outside Wheels, Valve on Trailer Electric Tarp Grease Lines To Drivers Side Fenders for Cylinder...

Condition	New
L x W	44 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
MLS Number	13444269
Category	Side Dump Trailers
Last Updated	3/14/2025
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

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2025 SmithCo SX6-5340 Side Dump Trailer

$119,667 USD

Made in the USA!! 53' trailer with 40' tub, 35.6 cubic yard capacity, 60"-54" and 79" axle spacing, 16" Kingpin setting, 3 Fixed 25K Axles and 3 Steerable/liftable 13,200 axles (1st,2nd,6th)...

Condition	New
L x W	53 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Six Axle
Stock Number	6784
MLS Number	13443788
Category	Side Dump Trailers
Last Updated	3/12/2025
Location	Aberdeen, ID, US
Sold By	Diesel Depot