Trailer Talk

Dropdeck Trailers

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Heavy Hauls Follow Tragic Train Wreck Near Tacoma

Blog news and commentary by Tom Berg, Senior Contributing Editor

Siemens diesel-electric locomotive was lifted from southbound lanes of I-5 and placed aboard a huge double-drop transporter. Rescuers spray paainted code letters after they searched the cab. Screen capture from YouTube.com, Puget Sound Rail Productions.

December 28, 2017

Permitted weight of the locomotive move was 585,000 pounds, said the CEO of Oxbo Inc., which hauled away the battered engine.

Tags: Heavy Haul, Dropdeck Trailers, Specialized Equipment, Flatbed Trailers

Author: Tom Berg | Posted @ Thursday, December 28, 2017 7:10 PM | » Comments(0)

Drop Decks, Aluminum Transition Radii, and the Romans

Blog by Tom Berg, Contributing Senior Editor

Can you see a Roman arch in the radius under the transition area of this Mac single-drop aluminum trailer? The radius directs weight away from the 90-degree joint above.

April 7, 2017

I looked at the transition radius on a Mac aluminum drop deck and it occurred to me that the radius is an arc, a portion of an arch – that engineering marvel devised by Roman engineers more than 2,000 years ago.

Tags: Aluminum, Dropdeck Trailers, Engineering, Trailers, Steel

Author: Tom Berg | Posted @ Friday, April 7, 2017 12:10 PM | » Comments(0)

Designing, Testing Tires for Drop-Deck Trailers Challenging

Spread tandems sometimes generate extreme lateral forces, and drop-decks use smaller sizes that are especially vulnerable to damage.

Wide-spread tandems, especially on drop-decks, can subject tires to extreme lateral forces in sharp turns. Photo via Utility Trailer Mfg.

July 2, 2015

Dropdeck trailers with spread-axle tandems are torture on tires. Tom Berg explores one tire maker's quest to design a product to stand up to the beating in his Trailer Talk blog.

Tags: Cooper Tire, Dropdeck Trailers, Trailers, Tires

Author: Tom Berg | Posted @ Thursday, July 2, 2015 1:00 PM | » Comments(0)

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