New Tri Axle Dump Trailers For Sale by Dealerships

(844) 422-___ SHOW
NUMBERCall Seller

Trailer Equipment Inc. & Trailer X-Press Inc.

8 0

2024 E-Pak (2) 20FT END DUMP TRAILERS W/ DOLLY End Dump Trailer

Recently Updated

$89,966 USD

We have 2 brand new E-pak end dump trailers for sale! We can order lead trailers for these upon request. E-pak, 20ft long, Comes with dolly, Tri axle, Leaf spring suspension Call or message...

Quantity	2
Condition	New
Suspension	Leaf Springs
Rear Axle	Tri Axle
Stock Number	505850
MLS Number	13492260
Category	End Dump Trailers
Last Updated	7/30/2025
Location	Byron Center, MI, US
Sold By	Trailer Equipment Inc. & Trailer X-Press Inc.

7 0

2026 Manac 4B342A230 Belly Dump Trailer

Recently Updated

$56,958 USD

New 42' x 96", 23 cubic yard heaped, 3rd axle liftable-non steerable, 18" Kingpin setting on ocillating 5th wheel plate, Electric roll over tarp, 25K axles, Hendrickson Air ride suspension,...

Condition	New
L x W	42 ft. x 96 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	6851
MLS Number	13693835
Category	Belly Dump Trailers
Last Updated	7/29/2025
Location	Boise, ID, US
Sold By	Diesel Depot

(844) 362-___ SHOW
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14 0

2025 Demco CR423-AR-3424 Side Dump Trailer

Price Drop

$78,500 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	7/29/2025
Location	Owatonna, MN, US
Sold By	Curt's Truck and Diesel Service Inc.

12 0

2026 Ranco TRI AXLE BOTTOM DUMP W PINTLE HITCH, REAR LIFT AXL Belly Dump Trailer

Newly Listed

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2026 Ranco LW21-40-3 Tri Axle Bottom Dump, 40', Front and Rear Fenders, Single Hopper, Pin Setting Gate Limiters, Bang Boards, 21 Cu Yds, Versa Valve, Windrow Deflector, Tri Axle w Rear Lift...

Quantity	4
Condition	New
Suspension	Single Point
Rear Axle	Tri Axle
Stock Number	192695
MLS Number	13723145
Category	Belly Dump Trailers
Last Updated	7/25/2025
Location	Henderson, CO, US
Sold By	Utility Trailer Interstate

14 0

2026 Ranco LW21-40-3 TRI AXLE BOTTOM DUMP Belly Dump Trailer

Newly Listed

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2026 Ranco LW21-40-3 Tri Axle Bottom Dump, 40', Front and Rear Fenders, Single Hopper, Pin Setting Gate Limiters, Bang Boards, 21 Cu Yds, Versa Valve, Windrow Deflector, Tri Axle w Rear Lift...

Quantity	4
Condition	New
Suspension	Single Point
Rear Axle	Tri Axle
Stock Number	192694
MLS Number	13721061
Category	Belly Dump Trailers
Last Updated	7/25/2025
Location	Henderson, CO, US
Sold By	Utility Trailer Interstate

10 0

2026 CPS 42' AIR RIDE TRI AXLE BOTTOM DUMP, REAR LIFT AXLE, Tri Axle Steel Belly Dump Trailer - Air Ride, Fixed Axle

Newly Listed

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2026 CPS Tri Axle Bottom Dump, 42', Front and Rear Aluminum Bolt On Fenders, 23 Cubic Yards, Single Hopper, Bang Boards, Pin Setting Gate Limiters, Versa Valve, Windrow Deflector, Tri Axle,...

Quantity	5
Condition	New
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	236277
MLS Number	13721058
Category	Belly Dump Trailers
Last Updated	7/24/2025
Location	Henderson, CO, US
Sold By	Utility Trailer Interstate

14 0

2026 CPS TRI AXLE AIR RIDE BOTTOM DUMP, LIFT AXLE, VERSA VA Belly Dump Trailer

Recently Updated

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2026 CPS Tri Axle Bottom Dump, 42', Front and Rear Aluminum Bolt On Fenders, 23 Cubic Yards, Single Hopper, Bang Boards, Pin Setting Gate Limiters, Versa Valve, Windrow Deflector, Tri Axle,...

Quantity	5
Condition	New
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	236276
MLS Number	13703431
Category	Belly Dump Trailers
Last Updated	7/24/2025
Location	Henderson, CO, US
Sold By	Utility Trailer Interstate

(888) 227-___ SHOW
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5 0

2024 Roughneck R383SDX Side Dump Trailer

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38' Tri-Axle Side Dump, FrontAxleLbs: 25,000, RearAxleLbs: 25,000,

Condition	New
Suspension	Hendrickson
Rear Axle	Tri Axle
Stock Number	16528
MLS Number	12083380
Category	Side Dump Trailers
Last Updated	7/23/2025
Location	Nisku, AB, Canada
Sold By	Brandt

7 0

2025 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	6884
MLS Number	13712037
Category	Side Dump Trailers
Last Updated	7/19/2025
Location	Boise, ID, US
Sold By	Diesel Depot

(844) 714-___ SHOW
NUMBERCall to Rent

6 0

2026 CPS 4B342A230 Belly Dump Trailer

$2,350/mo to rent

New 42' x 96", 23 cubic yard heaped, 3rd axle liftable-non steerable, 18" Kingpin setting on ocillating 5th wheel plate, Electric roll over tarp, 25K axles, 4 Spring suspension, 3/16" 80W...

Condition	New
L x W	42 ft. x 102 in.
Suspension	4 Spring
Rear Axle	Tri Axle
Stock Number	H.D. 985
MLS Number	13603496
Category	Belly Dump Trailers
Last Updated	7/19/2025
Location	Aberdeen, ID, US
Rented/Leased By	Diesel Depot

Email to Rent

(833) 965-___ SHOW
NUMBERCall Seller

10 0

2025 MAC 34 ft Frameless End Dump Trailer - Tri Axle, Aluminum, Air Ride

$93,500 USD

3 AVAILABLE - 34' X 96" Smooth Side, 52" Walls, Top Hinge Gate, Tr-Axle w/ Front Lift, Aluminum Wheels, Cab Air Controls, Air Ride, Drum Brakes,

Quantity	3
Condition	New
L x W	34 ft. x 96 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	SR080094
MLS Number	12922073
Category	End Dump Trailers
Last Updated	7/23/2025
Location	Inver Grove Heights, MN, US
Sold By	North American Trailer

8 0

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	6887
MLS Number	13707358
Category	Side Dump Trailers
Last Updated	7/17/2025
Location	Aberdeen, ID, US
Sold By	Diesel Depot

(844) 611-___ SHOW
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1 0

2026 SDI SUPER TRI Side Dump Trailer

$72,900 USD

aluminum wheel upgrade, electric diverter valve installed on the trailer, electric roll tarp, rear lift axle, rear axle spread for more payload,

Condition	New
Suspension	Ridewell
Rear Axle	Tri Axle
MLS Number	13568781
Category	Side Dump Trailers
Last Updated	7/17/2025
Location	Rigby, ID, US
Sold By	Grover's All-Wheels, LLC

8 0

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	6888
MLS Number	13703144
Category	Side Dump Trailers
Last Updated	7/16/2025
Location	Aberdeen, ID, US
Sold By	Diesel Depot

9 0

2025 SmithCo 4736 DUALED OUT 3/16" TUB 55 YARD SUPER HIGH VOLUM Side Dump Trailer

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Smith Co 55 Yard Super High Volume Side Dump 3/16" Tub All the way around. 24" Extensions, Elec Tarp, Rear Lift, Work Lights, Valve on Trailer,

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
MLS Number	13694027
Category	Side Dump Trailers
Last Updated	7/10/2025
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

20 0

2025 SmithCo 47x102 Tri Axle Steel Side Dump Trailer - Air Ride, Fixed Spread Axle

$97,500 USD

On Ground 2025 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	7/10/2025
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

11 0

2025 SmithCo 4736 SPREAD DUALED OUT TRI REAR LIFT Side Dump Trailer

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3 Available 2025 Smith Co 47' Tri Axle Spread with 22.5 Wheels/Tires with Aluminum Outside Rims, Valve on Trailer, Electric Mesh Tarp, Dual Tires and Wheels on All 3 with Rear Lift Axle,

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	T1759
MLS Number	11740818
Category	Side Dump Trailers
Last Updated	7/10/2025
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

16 0

2025 SmithCo 4736 SUPER TRI REAR LIFT WITH ALL DUALS Side Dump Trailer

$83,800 USD

2 Available 47" Smith Co Super Tri 49"-79" Axle Spacing with Rear Lift Axle, Duals on All Three Axles, Aluminum Outside Wheels, Valve On Trailer, Electric Tarp, Manual Override Handle Kit to...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	T1570
MLS Number	11034877
Category	Side Dump Trailers
Last Updated	7/10/2025
Location	Moorhead, MN, US
Sold By	Trailer Sales LLC

(855) 370-___ SHOW
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12 0

2025 SmithCo SX3-4234 TRI-AXLE Side Dump Trailer

$83,900 USD

(Price is FOB the Factory - FET Included) Coming Soon! 2025 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	26SM005
MLS Number	13690251
Category	Side Dump Trailers
Last Updated	7/9/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
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14 0

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

$84,100 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) Coming Soon! 2026 SmithCo SX3-4736 Steel Tri-Axle Spread w/Rear Lift Side Dump, 47' Frame Length (Black), 36' Tub Length (Black - Round Bottom), 102...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	26SM004
MLS Number	13690219
Category	Side Dump Trailers
Last Updated	7/9/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

14 0

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

$84,100 USD

(PRICE IS FOB THE FACTORY - FET INCLUDED) Coming Soon! 2026 SmithCo SX3-4736 Steel Tri-Axle Spread w/Rear Lift Side Dump, 47' Frame Length (Black), 36' Tub Length (Black - Round Bottom), 102...

Condition	New
L x W	47 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	26SM003
MLS Number	13690216
Category	Side Dump Trailers
Last Updated	7/9/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(844) 501-___ SHOW
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27 0

2024 Trailstar 36 ft Frame End Dump Trailer - Tri Axle, Aluminum, Air Ride

$105,000 USD

In stock now!, Syracuse, NY, 36', Full frame, Full liner, Aero Top Glide tarp, Drum brakes, $105,000 + FET,

Condition	New
L x W	36 ft. x 102 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	7145
MLS Number	12316864
Category	End Dump Trailers
Last Updated	7/9/2025
Location	Syracuse, NY, US
Sold By	Tri Tank Corp

(855) 568-___ SHOW
NUMBERCall Seller

9 0

2025 MAC TRAR35AA600 End Dump Trailer

$85,299 USD

SELLING AT DEALER COST!, 35' FRAME TYPE MVP SMOOTHSIDE, 60" SMOOTH SIDE PANEL, TRI-AXLE HENDRICKSON INTRAAZ AAT-25K W/HXL-5, (1) LIFT AXLE, 52" AXLE SPACING, ALL POLISHED ALUMINUM WHEELS,...

Condition	New
L x W	35 ft. x 96 in.
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	60" FRAME TYPE 2048
MLS Number	13652373
Category	End Dump Trailers
Last Updated	7/8/2025
Location	Indianapolis, IN, US
Sold By	Interstate Utility Trailer