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Stock Number: 1
Number of Rear Axles: Tri
Two Speed Landing Gear: Yes
Mud Flaps: Yes
Tarp: Yes
Super Singles: Yes
Description: Overall Dimensions
Overall Length: 45’10” w/o push block
Width: 102″
Overall Height: 8’2″ @ Tub Side, 9’4″ to top of Front * Rear wall
...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Length: 47 ft
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum
Number of Rear Axles: Quad
Description: Coming soon! Photos not of actual trailer
Updated: Wednesday, July 01, 2026 04:26 PM
Location: Auburn, Washington
Seller: The Truck Shop
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum
Number of Rear Axles: Quad
Axle Type: Fixed Spread
Model: 494SDX
Description: NEXT GENERATION: LIGHTER AND STRONGER THAN EVER | MAXIMIZE PAYLOAD
-38′ Hardox 450 Tub with oversized top sill.
-Fabricated frame & cross-membe...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Stock Number: T1974
Length: 49 ft
Width: 102 in
Suspension: Air Ride
Composition: Steel
Wheels: All Aluminum
Description: 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 Y...
Updated: Monday, August 03, 2026 06:19 PM
Location: Woodland, Washington
Seller: Trailer Sales LLC
Model: 463SDX
Description: FET PAID!
NEXT GENERATION: LIGHTER AND STRONGER THAN EVER | MAXIMIZE PAYLOAD
-36′ Hardox 450 Tub with oversized top sill.
-Fabricated frame ...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Length: 38 ft
Model: 463SDX
Tub Length: 36 ft
Description: FET PAID!
NEXT GENERATION: LIGHTER AND STRONGER THAN EVER | MAXIMIZE PAYLOAD
-36′ Hardox 450 Tub with oversized top sill.
-Fabricated frame ...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Wheels: All Steel
Number of Rear Axles: Tri
Model: 463SDX
Lift Axle: Yes
Tire % Remaining: 100
Fenders: Yes
Description: NEXT GENERATION: LIGHTER AND STRONGER THAN EVER | MAXIMIZE PAYLOAD
-36′ Hardox 450 Tub with oversized top sill.
-Fabricated frame & cross-membe...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Model: 494SDX
Description: NEXT GENERATION: LIGHTER AND STRONGER THAN EVER | MAXIMIZE PAYLOAD
-38′ Hardox 450 Tub with oversized top sill.
-Fabricated frame & cross-membe...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Model: 494SDX
Description: NEXT GENERATION: LIGHTER AND STRONGER THAN EVER | MAXIMIZE PAYLOAD
-38′ Hardox 450 Tub with oversized top sill.
-Fabricated frame & cross-membe...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Suspension: Air Ride
Number of Rear Axles: Quad
Model: 494SDX
Two Speed Landing Gear: Yes
Tarp: Yes
Lift Axle: Yes
Description: NEXT GENERATION: LIGHTER AND STRONGER THAN EVER | MAXIMIZE PAYLOAD
-38' Hardox 450 Tub with oversized top sill.
-Fabricated frame & cross-memb...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Description: 402SDX
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Description: 232SDX
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Suspension: Air Ride
Wheels: Aluminum
VIN: 2C9SEV3S2RM183044
Number of Rear Axles: Tri
Axle Type: Fixed Spread
Two Speed Landing Gear: Yes
Description: Overall Dimensions
Overall Length: 45’10” w/o push block
Width: 102″
Overall Height: 8’2″ @ Tub Side, 9’4″ to top of Front * Rear wall
...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Suspension: Air Ride
Number of Rear Axles: Quad
Two Speed Landing Gear: Yes
Tarp: Yes
Lift Axle: Yes
Tarp Type: Electric
Description: NEXT GENERATION: LIGHTER AND STRONGER THAN EVER | MAXIMIZE PAYLOAD
-38′ Hardox 450 Tub with oversized top sill.
-Fabricated frame & cross-membe...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Suspension: Air Ride
Number of Rear Axles: Tri
Two Speed Landing Gear: Yes
Tarp: Yes
Super Singles: Yes
Tarp Type: Electric
Description: NEXT GENERATION: LIGHTER AND STRONGER THAN EVER | MAXIMIZE PAYLOAD
-36' Hardox 450 Tub with oversized top sill.
-Fabricated frame & cross-membe...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Suspension: Air Ride
Composition: Steel
Number of Rear Axles: Quad
Axle Type: Fixed Spread
Two Speed Landing Gear: Yes
Tarp: Yes
Description: NEXT GENERATION: LIGHTER AND STRONGER THAN EVER | MAXIMIZE PAYLOAD
-38' Hardox 450 Tub with oversized top sill.
-Fabricated frame & cross-memb...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Suspension: Air Ride
Number of Rear Axles: Tri
Two Speed Landing Gear: Yes
Mud Flaps: Yes
Tarp: Yes
Lift Axle: Yes
Description: Overall Dimensions
Overall Length: 45'10" w/o push block
Width: 102"
Overall Height: 8'2" @ Tub Side, 9'4" to top of Front * Rear wall
...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Description: 4 AXLE, 49"x49"x72" AXLE SPACING, TARP, 24.5 CUBIC YARD CAPACITY, HARDOX 450 HEAT TREATED TUB, ROTARY VALVE, CROSS THREADED PIVOT SUPPORTS, 6" CYLI...
Updated: Thursday, July 02, 2026 01:08 PM
Location: Snohomish, Washington
Seller: DARLING SONS HEAVY EQUIPMENT
Description:
Updated: Friday, July 31, 2026 09:19 AM
Location: Everett, Washington
Seller: BSR Worldwide Equipment LLC
Stock Number: 00063
Length: 45 ft
VIN: 57CKS444XTS000063
Description: 2025 Demco 4-Axle Side Dump Trailer
44' RL-Steer Quad Trailer, Air Ride, Rear Lift/Steer, 34' Flex Dump Body
Trailer Mount Electric Over Hydruali...
Updated: Wednesday, August 05, 2026 12:43 PM
Location: Oak Harbor, Washington
Length: 44 ft
VIN: TO FOLLOW
Number of Rear Axles: Tri
Description: 2025 Demco 3-Axle Side Dump Trailer
44' RL-Steer Tri Trailer, Air Ride, Rear Lift/Steer, 34' Flex Dump Body
Trailer Mount Electric Over Hydrualic...
Updated: Wednesday, August 05, 2026 12:43 PM
Location: Oak Harbor, Washington
Stock Number: TULY1115
Length: 49 ft 10 in
Width: 102 in
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum Outside
Description: New 2026 SIDUMP’R SDR449.4972 side dump, 49'10" quad axle, built to haul and built to last. This unit is spec’d with a 38' Hardox 450 tub and 36° d...
Updated: Wednesday, August 05, 2026 12:06 PM
Location: Lacey, Washington
Seller: TEC Equipment - Lacey
Stock Number: PK4814
Length: 48 ft
Width: 102 in
Suspension: Air Ride
Composition: Steel
Wheels: All Aluminum
Description: 4 Axle Side dump Dark Gray OAL 49', 38' Tub w/385 Aluminum Wheels, Air Ride Susp, Air lift 1st & 4th Axle, Rock Guard, Mesh Tarp System, Water leve...
Updated: Tuesday, May 26, 2026 03:25 PM
Location: Richland, Washington
Seller: Peters & Keatts Equipment Inc.
Quantity: 3
Length: 47 ft
Width: 102 in
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum Outside
Description: Smith Co Super Tri Axle With Rear Lift Axle, 49"- 79" Super Tri Axle Spacing, Mesh Electric Tarp, AR450 36' Steel Tub, Aluminum Outter Rims, Valve ...
Updated: Monday, August 03, 2026 06:19 PM
Location: Woodland, Washington
Seller: Trailer Sales LLC
Stock Number: T1973
Length: 49 ft
Width: 102 in
Suspension: Air Ride
Composition: Steel
Wheels: Aluminum
Description: 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 Si...
Updated: Monday, August 03, 2026 06:19 PM
Location: Woodland, Washington
Seller: Trailer Sales LLC
Length: 53 ft
Description: quad axle, tarp, front and rear lifts, weight actuated
Updated: Wednesday, July 15, 2026 09:42 AM
Location: Enumclaw, Washington
Seller: JDL TRACTOR
