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Thomas Built Buses

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Smith Co

 
Today, SmithCo produces more side dump trailers and more side dump trailer models than any other manufacturer! SmithCo offers the largest selection of side dump trailers in the world.
 
 Please call for more information and more models offered.
S1 Single Axle Side Dump
SmithCo's S1 series are shorter single axle side-dump trailers primarily used when maneuverability is an issue or as a 2nd or rear trailer in a doubles operation. Many lengths are available with the S1-2317 and the S1-2620 being the most common. When used in a doubles operation the converter dolly can be attached with either a 5th wheel or roller turntable connection.
 
 
 
 
 
 
Model S1-2317 SmithCo Side-Dump Trailer with CD-1 Dolly

Frame Length: 22' 2" 
Tub Length: 17' 
Width: 102" 
Height: 8' 2" @ Tub Side, 9' 4" @ Center 
Tub Capacity: 
Round Bottom Tub, 11.5 Cubic Yard, Water full 
Round Bottom Tub, 15.5 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 
Bumper :Under-ride Type
Cylinders: 3500 PSI , 5" bore 
Dolly: Single Axle
Connection:Turntable
Tongue: 
3" Premier Swivel Drawbar Eye
Premier Tongue Hinge Assembly (poly)
Hinges:Self-Aligning, Spherical Bearing Type (greasable)
Suspension:Air Ride Suspension
Axles: (2) 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 (8)
Tires: 11 R 22.5 G Radial Tires (8)
Brakes: 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

S2 Double Axle Side Dump
SmithCo's S2 series is one of our more popular trailers. The S2-4034 is the most produced size of tandem axle units, with a 204" wheelbase tractor you can achieve 80,000 legal gross in all states under the Federal Bridge Formula. For shorter wheelbase tractors the S2-4236 is a common size. Shorter tandems are also produced for maneuvering issues or combined with converter dollies for doubles operations. Common lengths for shorter tandems are S2-3024 and S2-3327.
 
 
 
 
 
 
 
  Model S2-4034 SmithCo Side-Dump Trailer

Frame Length: 39' 5" 
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
V-Shaped Tub, 24 Cubic Yard, Water full 
V-Shaped Tub, 32 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 : High Clearance Two Speed, Non-Load Bear ing 
Bumper : Push Bar Type, Bolt-On 
Cylinders: 3500 PSI , 5" bore 
Hinges: Self-Aligning, Spherical Bearing Type (greasable)
Suspension: Holland Binkley Four Spring, 3 Leaf Springs
Axles: (2) 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 (8)
Tires: 11 R 22.5 G Radial Tires (8)
Brakes: 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 
 
 

S3 Three-Axle Side Dump
Three axle trailers are popular in states that allow extended gross weights for truck/trailer combinations with more than five axles. The S3-4234 and S3-4636 are the most common sizes but the range of tri-axles run from S3-3734's to S3-5036'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.
 
 
 
 
Download PDF Spec Sheet
 
 
 
Model S3-4234 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
V-Shaped Tub, 24 Cubic Yard, Water full
V-Shaped Tub, 32 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
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