Roughneck Trailer Specs


Recommended for transportation of frac sand and aggregate in severe duty applications.

Payload Capacity

 27.5 ton estimated payload based upon 8,600 lb trailer, 16,100 lb tandem tractor and 80k GVW (Interstate System)

30.5 ton estimated payload based upon 8,600 lb trailer, 14,100 lb tandem tractor and 84k GVW (Texas w/ permit)


8,600 – 9,500 lb max


720 cubic feet “usable sand volume” 850 cubic feet heaped

Based upon 100 lbs/cubic feet 70/40 mesh dry sand 86 lbs / cubic feet 100 mesh dry sand

Dry loose sand angle of repose:  approximately 33 degrees

Consideration for future “trade-in” units capable of being re-fitted with vertical extensions and conventional tarp.

To accommodate use back into the grain market with approximately 1,100 cubic feet capacity

Kingpin Setting

20”- Single I-beam  Steel coupler. Aluminum coupler with enclosure optional.

Side Panels

Pre-painted white .048” and .063” aluminum, corrugated on 6” centers.

Lower Rails-Aluminum 9-11/16” high extrusion.

Side Posts– Aluminum extrusion 1-3/4” z-posts on 12” centers.

Side Top Rails-Aluminum 5-5/8” x 6-1/4” extrusion.

Interior Lining-.048”  aluminum.  45 degree slope at front and rear

Length & Width

39 ft. Long 96 inches Wide

Rear Panels

Corrugated pre-painted white .048” aluminum panels and extruded aluminum posts.

Access System

Aluminum ladders on front and rear of trailer

Nose Panels

Smooth  pre-painted white .063” aluminum.

Front Corners

6” radius, mill finish aluminum

Lights & Wiring

Side Lamps – Includes 2 rows of  3 – ¾” diameter LED bullet marker lamps each side; (3) amber, (2) red and (1) amber LED mid turn/marker lamp.

Nose Lamps – (2) High mounted amber ¾” diameter LED bullet marker lamps.

Standard High mounted Rear Frame Lamps – (5) red ¾” diameter LED bullet marker lamps on rear header. 

Rear Tail Lamps– (6)-4” diameter, 6 diode LED lamps – all grommet mounted.

Electrical-All weather-pack automotive style connections, sealed to prevent corrosion. Common ground.

Conspicuity Tape: Red and white reflective tape mounted in conspicuity track of lower rail and full width across rear of trailer. White reflective tape mounted on top corners of rear frame. (All lamps and wiring comply with FMVSS 108)

Support Legs

Square legs, with roadside fixed crank handle, low-profile 10″ square cushion foot shoe, 50,000 lbs. lift capacity. Located 94” from Kingpin.


Single Hopper Formed .125 aluminum panels with side slope angle of 35.8 degrees, center and end panels with slope angle of 33 degrees, Ag tub design.  Knockrail in upper and lower position on all sides of the hopper with wrap around structural corner connections.

Front and Rear End Slope Panels-.080” aluminum supported by aluminum channel with Z shaped crossmembers, 33 degree slope angle.

Divider Panel – heavy duty panel that supports side walls, has deflector on top to disperse loading from directly impacting trap door and extends down to frame rail.  .080 aluminum supported by bulkhead crossmembers.


Single standard AG door 24”L x 26”W opening supported by a robust structural trap frame.  The trap plate is 1/4”aluminum with steel stiffeners supported by double sealed steel ball bearings with a plastic internal seal. Hopper clearance 25”.

Trap Operators

EZ Flow Hydraulic Trap with operator keypad on both sides of trailer


23,000 lb. rated air ride suspension, 17” ride height 71 ½” track.  Suspension subframe: Steel

Hub & Drum

Cast ductile iron hubs with cast high-alloy, gray iron outboard mounted drums, hub piloted. 


16-1/2” X 7” “Q+” quick change brakes with 5.5” auto slacks and 30/30 spring brake chambers complying with FMVSS 121 – 4 sensor, 2 modulator anti-lock braking system with constant power supplied by center auxiliary pin.  Exceeds the minimum requirements of FMVSS 121,S5.5


Eight (8) 22.5  Aluminum Wheels


Eight (8) R123  R22.5 radials.


½” Black heavy-duty rubber 24”W x 30”L.


Rigid or semi-rigid composite cover or similar cover fixed in place  – with 32’ wide, 10’ long sliding opening

Designed in a manner that this trailer cover system could be replace with standard style tarp system in future

Cover Opener

Keypad operation on both sides of trailer for hydraulic hatch


Black protective metal coating on all steel parts.

Timpte is the #1 selling dry bulk commodity trailer in North America.