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Three axle trailers are popular in states that allow extended gross weights for truck/trailer combinations with more than five axles. The SX3-4234 and SX3-4636 are the most common sizes but the range of tri-axles run from SX3-3734's to SX3-5036's and many sizes in-between. SmithCo works with the customer and his truck specs to determine which length trailer and axle spacing will maximize your payload potential. Drawings with your truck under different length trailers are readily available. The shorter to mid-length trailers tend to be used in everyday construction use while the longer tri-axles fit a more line-haul application.
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Model SX3-4234 SmithCo Side-Dump Trailer
Frame Length: 41' 4"
Tub Length: 34'
Width: 102"
Height: 8' 2" @ Tub Side, 9' 4" @ Center
Tub Capacity:
Round Bottom Tub, 23 Cubic Yard, Water full
Round Bottom Tub, 31 Cubic Yard, Full Capacity
Tub Construction:
1/4" Thick, AR400 Steel (or equivalent)
3/16" Thick, AR400 Steel (or equivalent) is Optional
Frame Construction: 80/100 KSI , Fabricated Steel I -Beam
Landing Gear : Two Speed, Non-Load Bearing
Bumper : Push Bar Type, Bolt-On
Cylinders: 3000 PSI , 5" bore
Hinges: Self-Aligning, Spherical Bear ing Type (greasable)
Suspension: Holland Binkley Six Spring, 3 Leaf Springs
Axles: (3) 25,000# capacity
Hubs: 10 Hole, Hub Piloted
ABS: 2S1M Anti-Lock Brake System
Drums: Outboard Mount, Cast Steel
Wheels: Steel Disc, 8.25 x 22.5 (12)
Tires: 11 R 22.5 G Radial Tires (12)
16 1/2" x 7"
Fenders: Front & Rear , 1/4" Synthetic, 7 Degree Slope
Lights: 12 Volt ICC w/Sealed Harness
Mud Flap: (2) Polyline Anti-Spray Splash Guard w/ SmithCo name
Paint: White Tub; Gray Frame (Special colors are available upon request)
Minimum Tractor Hydraulic Requirements: 25-30 GPM, 2,200-2,400 PSI , 10 Gallon Reservoir
*Manufacturer reserves the right to modify designs, materials and specifications without notice |