Tandem Commercial Specs


Recommended for transportation of agricultural and industrial bulk commodities.

KingPin Setting

20”- Single I-beam with 3/8” steel flanges, 1/4” steel full-width pickup plate

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.

Rear Panels

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

Access System

Aluminum ladders, handholds, and platforms are mounted on both the front and the rear, with a flip down step mounted to the base of the rear ladder

Nose Panels

Smooth pre-painted white .063” aluminum.

Front Corners

6” radius, stainless steel

Lights & Wiring

Side Lamps – Includes 2 rows of 3 lamps each side;(3) amber L.E.D., (2) red L.E.D., (1) amber L.E.D.. mid turn/marker lamp.

Nose Lamps – (2) High mounted amber L.E.D. lamps.

Standard High mounted Rear Frame Lamps – (5) red L.E.D. marker lamps on rear header. Rear Tail Lamps- (6)-4” diameter, 6 diode L.E.D. lamps, 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 removable crank, low-profile 10″ square cushion foot shoe, 50,000 lbs. lift capacity, with No Lube feature. Located 94” from Kingpin.


Side panels of .080” aluminum with side slope angle of 43.5 degrees. Center and end panels of .100 aluminum with slope angle of 33 degrees. Riveted split tub design.

Front and Rear End slope panels-.080” aluminum supported by aluminum channels with Z shaped cross members, 33 degree slope angle.

Divider Panel – .080 aluminum supported by bulkhead cross members.


26″W x 54”L opening supported by robust structural trap frame – clear span opening – no cross member in the middle of the opening – single doors. The trap plates are 1/4”aluminum with steel stiffeners supported by double sealed steel ball bearings with a plastic internal seal.

102” wide trailers – Add 6” to trap opening width. Hopper clearance 18”.

Trap Operators

Each trap is opened and closed manually through a 2 speed gearbox with 1″ diameter output shaft connected through a U-joint to the double rack and pinion gears using a removable crank. There are trap locks on each gearbox. The double rack and pinion gears drive at both sides of each trap plate.


23,000 lb. rated air ride suspension, 17” ride height, 71-1/2” or 77-1/2” track. Suspension subframe long beams are 4” x 8” x 3/16” rectangular structural steel tubing – cross tubes are 6” x 8” structural steel tubing.

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 chamers complying with FMVSS 121. 4 sensor 2 modulator anti-lock brake system with constant power supplied by center auxiliary pin. Exceeds the minimum requirements of FMVSS 121,S5.5


Eight (8) 24.5 x 8.25 white steel disc, hub piloted.


Eight (8) 11R24.5 radials.


Black heavy-duty rubber 24”W x 30”L


Thunder Armor 18 oz. roll tarp system. Three molded black plastic sidewall protectors.

Tarp Opener

18 oz. locking roll tarp with rear mounted crank. Three molded black plastic sidewall protectors.

Tarp Bows

Eight (8) – 9” rise galvanized steel arch


Black corrosion resistant metal coating on all steel parts

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