Tri Axle Dump Trailers with Air Ride Suspension For Sale

(844) 611-___ SHOW
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2027 SDI SUPER TRI Side Dump Trailer

Newly Listed

$73,500 USD

NEW 2027 SDI SUPER TRI (ARRIVING END OF FEB.), 35' TUB 47' OVERALL LENGTH, REAR AXLE LIFT, 50 DEGREE DUMP ANGLE, DUMP FROM EITHER SIDE W/ 3 TUB SUPPORTS, BRACING ON OUTSIDE OF TUB FOR A...

Condition	New
Suspension	Air Ride
Rear Axle	Tri Axle
MLS Number	14149830
Category	Side Dump Trailers
Last Updated	2/18/2026
Location	Rigby, ID, US
Sold By	Grover's All-Wheels, LLC

(800) 480-___ SHOW
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2026 Demco 44ft Tri Axle Steel Side Dump Trailer - Air Ride

Price Drop $70,821 USD

$3,700/mo to rent

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	12907407
Category	Side Dump Trailers
Last Updated	2/14/2026
Location	Henderson, IA, US
Sold By	Keast Enterprises

(855) 370-___ SHOW
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2024 NEUSTAR 36 ft End Dump Trailer - Air Ride

2026 NEUSTAR AB SPEC End Dump Trailer

2027 JET 47x102 Tri Axle Steel Side Dump Trailer - Air Ride, Fixed Axle

$86,200 USD

(Price includes FET and is FOB the Factory) Coming Soon! 2027 Jet 47'x102" Tri-Axle Spread Side Dump, 36' Round Bottom Tub, Triple Axle (space: 49"/72"), Air Ride Suspension, Lift on 3rd...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	27JT001
MLS Number	14116583
Category	Side Dump Trailers
Last Updated	2/10/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2026 Manac 4B346A230 Belly Dump Trailer

$65,900 USD

New 46'6" x 102", 26 cubic yard heaped, 3rd axle liftable-non steerable, 77" 3rd axle spread- 50" 1st/2nd axle, 18" Kingpin setting on ocillating 5th wheel plate, Electric roll over tarp,...

Condition	New
L x W	46.5 x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	6924
MLS Number	13809411
Category	Belly Dump Trailers
Last Updated	2/10/2026
Location	Aberdeen, ID, US
Sold By	Diesel Depot

2026 Manac 4B346A230 Belly Dump Trailer

$65,900 USD

New 46'6" x 102", 26 cubic yard heaped, 3rd axle liftable-non steerable, 77" 3rd axle spread- 50" 1st/2nd axle, 18" Kingpin setting on ocillating 5th wheel plate, Electric roll over tarp,...

Condition	New
L x W	46.5 x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	6913
MLS Number	13796867
Category	Belly Dump Trailers
Last Updated	2/10/2026
Location	Boise, ID, US
Sold By	Diesel Depot

2026 SmithCo 65 YARD MHV WITH 24" EXTENSIONS Side Dump Trailer

$97,500 USD

Smith Co 47' 65 Yard MHV with 24" Extensions, Electric Tarp, Valve on Trailer, Work Lights, Dualed Out Rear Lift Grease Lines to Cyliners Pins at Drivers Side Fender,

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	T3135
MLS Number	13537544
Category	Side Dump Trailers
Last Updated	2/10/2026
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

2026 SmithCo 4736 MHV 65 YARD SUPER TRI Side Dump Trailer

Contact for price

Smith Co 4736 MHV 47' Long 36' Tub 24" Extensions Electric Tarp Valve on Trailer Tri Axle with Rear Lift Work Lights,

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
MLS Number	13415936
Category	Side Dump Trailers
Last Updated	2/10/2026
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

2026 SmithCo 47x102 Tri Axle Steel Side Dump Trailer - Air Ride, Fixed Spread Axle

Contact for price

2026 Smith Co 4736 MHV with 24" Extensions Valve on Trailer Electric Tarp Tri Axle with Rear Lift Duals on all 3 Axles,

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
MLS Number	13138462
Category	Side Dump Trailers
Last Updated	2/10/2026
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

2026 SmithCo 47x102 Tri Axle Steel Side Dump Trailer - Air Ride, Fixed Spread Axle

$99,500 USD

On Ground 2026 Smith Co 4736 MHV 65 Yard Capacity 47' Super Tri Rear Lift Axle Valve on Trailer Work Lights Elec Tarp,

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	T1963
MLS Number	13073903
Category	Side Dump Trailers
Last Updated	2/10/2026
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

2026 SmithCo 4736 MHV 65 YARD HIGH VOLUME SIDE DUMP Side Dump Trailer

$99,500 USD

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	2/10/2026
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

2026 SmithCo 4736 SUPER TRI WITH REAR LIFT AXLE VALVE ON TRAILE Side Dump Trailer

Contact for price

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

2026 SmithCo 4736 SUPER TRI REAR LIFT ELEC TARP Side Dump Trailer

Contact for price

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

(866) 286-___ SHOW
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2011 DECAP 40 ft Tri axle Belly Dump Trailer

Price Drop $29,000 USD

2011 DECAP 40 ft Tri axle Belly Dump Trailer Air Ride Suspension, Clam Gate, Manual Roll Tarp, Aluminum Wheels, 11R 24.5 Tires, GVWR 40,000 kg, Estimated Payload: 32,000 KG Length: 42...

Condition	Used
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	B014
MLS Number	13334893
Category	Belly Dump Trailers
Last Updated	2/5/2026
Location	Nisku, AB, Canada
Sold By	KMK Trailers

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

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	7046
MLS Number	14127543
Category	Side Dump Trailers
Last Updated	2/5/2026
Location	Aberdeen, ID, US
Sold By	Diesel Depot

2026 SmithCo SX3-47-36 Side Dump Trailer

Contact for price

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	7045
MLS Number	14127539
Category	Side Dump Trailers
Last Updated	2/5/2026
Location	Aberdeen, ID, US
Sold By	Diesel Depot

(833) 627-___ SHOW
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2026 De Lucio USA EDT3000 39YRDS END DUMP End Dump Trailer

$49,900 USD

BRAND NEW 30 TON END DUMP - Frame type, - 3Axle, - New 11R22.5 Tires, - Airbag suspension with 30,000 heavy duty axle, - ABS System, - For 30 Tons WE ARE THE MANUFACTURER, ORDER AS...

Quantity	3
Condition	New
L x W	31 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	EDT3000
MLS Number	12504187
Category	End Dump Trailers
Last Updated	2/3/2026
Location	Edinburg, TX, US
Sold By	DeLucio USA

(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.

(855) 370-___ SHOW
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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.

(833) 346-___ SHOW
NUMBERCall Seller

2026 JET JET SUPER SPREAD TRI AXLE SIDE DUMP Side Dump Trailer

$82,900 USD

2026 Jet Super Spread Tri Axle Side Dump, 45', Front and Rear Fenders, 2 Speed Landing Gear, 2 Way Valve, 4 Pivot Points Per Side, 1/4" AR400 Steel Rock Tub, Inverted Cylinders, Superior...

Quantity	6
Condition	New
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	NE11661
MLS Number	13985371
Category	Side Dump Trailers
Last Updated	1/28/2026
Location	Henderson, CO, US
Sold By	Utility Trailer Interstate

(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
NUMBERCall Seller

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