New Tri Axle Side Dump Trailers with Air Ride Suspension For Sale

Your Current Search
Industry
Trailers
Top-Category
Dump Trailers (Semi Truck)
Category
Side Dump Trailers
Rear Axle
Tri
Suspension Type
Air Ride
Condition
New
Market Type
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Trailers (75)
Category
   Side Dump Trailers (75)
Model
Select a manufacturer to view available models.
Condition
New (75)
Model Year
-
Length
-
Rear Axle
Tri (75)
Suspension Type
Air Ride (75)
Composition Type
Steel (75)
Inspection Report
Yes (0)
Warranty
Yes (0)
No (0)
Price
-
Country
United States (75)
State / Region
Select a state below and click Refine Results.








Seller Type
Dealerships (75)
Market Type
Filter by Manufacturer
Filter by Specs or Location
1-25 of 75 results
1-25 of 75 results
SmithCo SX3-47-36 Side Dump Trailer
7 0

2025 SmithCo SX3-47-36 Side Dump Trailer

Newly Listed
$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...
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock Number6884
MLS Number13712037
CategorySide Dump Trailers
Last Updated7/19/2025
Location
Boise, ID, US
Sold By

Diesel Depot

SmithCo SX3-47-36 Side Dump Trailer
8 0

2026 SmithCo SX3-47-36 Side Dump Trailer

Newly Listed
$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...
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock Number6887
MLS Number13707358
CategorySide Dump Trailers
Last Updated7/17/2025
Location
Aberdeen, ID, US
Sold By

Diesel Depot

SmithCo SX3-47-36 Side Dump Trailer
7 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...
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock Number6889
MLS Number13703160
CategorySide Dump Trailers
Last Updated7/16/2025
Location
Aberdeen, ID, US
Sold By

Diesel Depot

SmithCo SX3-47-36 Side Dump 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...
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock Number6888
MLS Number13703144
CategorySide Dump Trailers
Last Updated7/16/2025
Location
Aberdeen, ID, US
Sold By

Diesel Depot

SmithCo 4736 DUALED OUT 3/16" TUB 55 YARD SUPER HIGH VOLUM Side Dump Trailer
9 0

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

Call for price
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,
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
MLS Number13694027
CategorySide Dump Trailers
Last Updated7/10/2025
Location
Moorhead, MN, US
Sold By

Trailer Sales LLC

SmithCo 47x102 Tri Axle Steel Side Dump Trailer - Air Ride, Fixed Spread Axle
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,
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberT1963
MLS Number13073903
CategorySide Dump Trailers
Last Updated7/10/2025
Location
Moorhead, MN, US
Sold By

Trailer Sales LLC

SmithCo 4736 SPREAD DUALED OUT TRI REAR LIFT Side Dump Trailer
11 0

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

Call for price
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,
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberT1759
MLS Number11740818
CategorySide Dump Trailers
Last Updated7/10/2025
Location
Moorhead, MN, US
Sold By

Trailer Sales LLC

SmithCo 4736 SUPER TRI REAR LIFT WITH ALL DUALS Side Dump Trailer
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...
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberT1570
MLS Number11034877
CategorySide Dump Trailers
Last Updated7/10/2025
Location
Moorhead, MN, US
Sold By

Trailer Sales LLC

SmithCo SX3-4234 TRI-AXLE Side Dump Trailer
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...
ConditionNew
L x W42 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock Number26SM005
MLS Number13690251
CategorySide Dump Trailers
Last Updated7/9/2025
Location
Spencer, IA, US
Sold By

Vander Haag's Inc.

SmithCo 47x102 Tri Axle Steel Side Dump Trailer - Air Ride
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...
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock Number26SM004
MLS Number13690219
CategorySide Dump Trailers
Last Updated7/9/2025
Location
Spencer, IA, US
Sold By

Vander Haag's Inc.

SmithCo 47x102 Tri Axle Steel Side Dump Trailer - Air Ride
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...
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock Number26SM003
MLS Number13690216
CategorySide Dump Trailers
Last Updated7/9/2025
Location
Spencer, IA, US
Sold By

Vander Haag's Inc.

Demco 44ft Tri Axle Steel Side Dump Trailer - Air Ride
24 0

2026 Demco 44ft Tri Axle Steel Side Dump Trailer - Air Ride

$73,542 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 34', 22.5 Cu Yd Capacity Tub, Ultra...
ConditionNew
SuspensionAir Ride
Rear AxleTri Axle
MLS Number12907407
CategorySide Dump Trailers
Last Updated7/3/2025
Location
Henderson, IA, US
Sold By

Keast Enterprises

JET JET TRI AXLE SIDE DUMP, ELECTRIC TARP, AIR RIDE, 2 Side Dump Trailer
8 0

2026 JET JET TRI AXLE SIDE DUMP, ELECTRIC TARP, AIR RIDE, 2 Side Dump Trailer

Call for price
2026 Jet Tri Axle Side Dump, 46', Front and Rear Fenders, 2 Speed Landing Gear, 2 Way Valve, 4 Pivot Points Per Side, 1/4" AR400 36' Steel Rock Tub, Inverted Cylinders, Superior Engineered...
Quantity2
ConditionNew
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberNE7191
MLS Number12781294
CategorySide Dump Trailers
Last Updated7/2/2025
Location
Henderson, CO, US
Sold By

Utility Trailer Interstate

JET TRI AXLE SUPER SPREAD SIDE DUMP, AIR RIDE W REAR L Side Dump Trailer
6 0

2026 JET TRI AXLE SUPER SPREAD SIDE DUMP, AIR RIDE W REAR L Side Dump Trailer

Call for price
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...
Quantity2
ConditionNew
SuspensionAir Ride
Rear AxleTri Axle
Stock Number51174
MLS Number12437723
CategorySide Dump Trailers
Last Updated7/2/2025
Location
Humboldt, IA, US
Sold By

Utility Trailer Interstate

SmithCo 4736 SPREAD TRI REAR LIFT ALL DUALS Side Dump Trailer
9 0

2025 SmithCo 4736 SPREAD TRI REAR LIFT ALL DUALS Side Dump Trailer

Call for price
2025 Smith Co 47' Tri Axle Spread with Rear Lift Aluminum Outside Wheels Duals on All Three Axles Valve on Trailer, Cab Kit Electric Tarp,
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberT6000
MLS Number13665661
CategorySide Dump Trailers
Last Updated6/25/2025
Location
Moorhead, MN, US
Sold By

Trailer Sales LLC

SmithCo 47x102 Tri Axle Steel Side Dump Trailer - Air Ride, Fixed Spread Axle
15 0

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

Call for price
2025 Smith Co 4736 MHV 47' Long Tri Axle with Rear Lift, Duals on All Three Axles, Work Lights Valve on Trailer Electric Tarp,
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
MLS Number13415930
CategorySide Dump Trailers
Last Updated6/25/2025
Location
Moorhead, MN, US
Sold By

Trailer Sales LLC

SmithCo 4736 SHV 24" EXTENSION 55 YARDS ELEC TARP Side Dump Trailer
26 0

2025 SmithCo 4736 SHV 24" EXTENSION 55 YARDS ELEC TARP Side Dump Trailer

$97,500 USD
Smith Co Super High Volume 55 Yards with 24" extension triple with rear lift all dualed axles electric tarp valve on trailer, Lights at Front and Rear,
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberT3333
MLS Number10212937
CategorySide Dump Trailers
Last Updated6/25/2025
Location
Moorhead, MN, US
Sold By

Trailer Sales LLC

Demco CR423-AR-3424 Side Dump Trailer
24 0

2026 Demco CR423-AR-3424 Side Dump Trailer

$79,445 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 34', 22.5 Cu Yd Capacity Tub, Ultra...
ConditionNew
SuspensionAir Ride
Rear AxleTri Axle
MLS Number12998717
CategorySide Dump Trailers
Last Updated6/27/2025
Location
Henderson, IA, US
Sold By

Keast Enterprises

Demco 44ft Tri Axle Steel Side Dump Trailer - Air Ride
24 0

2026 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,...
ConditionNew
SuspensionAir Ride
Rear AxleTri Axle
MLS Number12925722
CategorySide Dump Trailers
Last Updated6/27/2025
Location
Henderson, IA, US
Sold By

Keast Enterprises

Demco CR423-AR-3424 Side Dump Trailer
14 0

2025 Demco CR423-AR-3424 Side Dump Trailer

$80,000 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...
ConditionNew
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberSS000328
MLS Number12728016
CategorySide Dump Trailers
Last Updated6/11/2025
Location
Owatonna, MN, US
Sold By

Curt's Truck and Diesel Service Inc.

SmithCo SX3-4736 Side Dump Trailer
4 0

2025 SmithCo SX3-4736 Side Dump Trailer

$325/day, $975/wk, $3,250/mo to rent
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...
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberH.D. 982
MLS Number13512248
CategorySide Dump Trailers
Last Updated6/6/2025
Location
Aberdeen, ID, US
Rented/Leased By

Diesel Depot

SmithCo SX3-4736 Side Dump Trailer
4 0

2025 SmithCo SX3-4736 Side Dump Trailer

$325/day, $975/wk, $3,250/mo to rent
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...
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberH.D. 981
MLS Number13512229
CategorySide Dump Trailers
Last Updated6/6/2025
Location
Aberdeen, ID, US
Rented/Leased By

Diesel Depot

SmithCo 65 YARD MHV WITH 24" EXTENSIONS Side Dump Trailer
9 0

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

Call for price
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,
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberT3135
MLS Number13537544
CategorySide Dump Trailers
Last Updated5/30/2025
Location
Moorhead, MN, US
Sold By

Trailer Sales LLC

SmithCo SX3-4736 Side Dump Trailer
4 0

2025 SmithCo SX3-4736 Side Dump Trailer

$325/day, $975/wk, $3,250/mo to rent
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...
ConditionNew
L x W47 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberH.D. 984
MLS Number13512221
CategorySide Dump Trailers
Last Updated5/29/2025
Location
Aberdeen, ID, US
Rented/Leased By

Diesel Depot

SmithCo MHV Side Dump Trailer
6 0

2026 SmithCo MHV Side Dump Trailer

$86,556 USD
Made in the USA!! 44' trailer with 36' tub, 63.7 cubic yard capacity, 24" Side extensions, 2 speed landing gear, Electric roll over tarp, 1/4" AR450 hardened steel tub, Tarp lock-out switch,...
ConditionNew
L x W44 ft. x 102 in.
SuspensionAir Ride
Rear AxleTri Axle
Stock NumberMHV
MLS Number13601221
CategorySide Dump Trailers
Last Updated5/23/2025
Location
Aberdeen, ID, US
Sold By

Diesel Depot

Did you find what you were looking for? Yes No
Got a side dump trailer to sell? In minutes, you can create an online listing for your side dump trailer and advertise it to thousands of buyers.
Start selling today