Custom & Specialty Trailers
If It Rolls and You Can
Draw It, We Can Build It.
Fully custom trailer manufacturing for industries and applications that don't fit any catalog.
Trailer Fabrication
What we build in this category
Custom and specialty is where Overbilt has built our reputation since 1997. When a job requires something beyond a standard tag-a-long, gooseneck, or lowboy — a purpose-built trailer for a specific piece of equipment, an unusual load profile, a custom industry application — we engineer and fabricate the trailer from the ground up.
Examples
Examples of custom builds we've delivered
Mobile power generation trailers
Purpose-built platforms for diesel generators, transformers, and switchgear with integrated fuel systems, weatherproofing, and operator access.
Oil and gas service trailers
Rig-matting transport, frac tank haulers, wireline trailers, coiled tubing reels, and specialty oilfield equipment platforms.
Multi-function trailers
Combined platforms with integrated tool storage, hydraulic systems, on-board power, or dual-purpose deck configurations.
Utility and electrical pole trailers
Specialty configurations for hauling long poles, cross-arms, and transformer banks with custom rigging points and tie-down systems.
Industrial equipment haulers
Purpose-built trailers for chillers, compressors, pumps, and fabricated steel structures.
Specialty heavy haul
Transformers, crane counterweights, pre-fabricated building sections, and one-off industrial loads.
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Overbilt built us two custom trailers for our wildland firefighting work on the West Coast. We work in mountainous environments — steep, narrow, uneven roads, tight turn radius, oversized loads. It’s essentially a logging-grade trailer, and you can’t find anything like it off a lot for under $150k. Even though Overbilt didn’t know our industry intimately, they listened well, asked the right questions, and built exactly what we needed. Zero issues with the build quality. They’re head-turners on fires — I get asked where they came from constantly. The incident inspectors always have to check our equipment for safety, and they’re the most impressed. Would buy from Overbilt again without hesitation.
Andrew P., Owner, Rusty Rangers
Wildland Firefighting — West Coast
Our Customers
Who buys Overbilt custom builds
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Oil and gas operators
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Electric utilities
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Mobile power rental companies
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Construction fleets with unusual equipment mixes
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Industrial manufacturers moving their own products
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Specialty hauling companies
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Operators who tried a catalog trailer and realized it wasn't built for their actual work
Our Custom Process
How the custom process works
01.
Tell us what you haul
Description, photos or drawings if you have them, typical routes, legal constraints.
02.
We spec the build
You get a configuration, a firm quote, and a real lead time — not a catalog ship date.
03.
Walk-through & sign-off
For more involved engineering, we review the build with you before steel gets cut.
04.
One craftsman builds it
Frame-up through final inspection. The person who welds it signs off it's ready to roll.
Our Products
What makes ours different
Every Overbilt trailer — custom or catalog-style — is built by a single craftsman from frame-up through final inspection. We cut, weld, rig, plumb, and test the trailer as one continuous build. No production line to absorb rework costs. No part-number catalog to squeeze your spec into. Just the trailer you need, built right.
Looking at standard configurations?
Describe What You Need
Tell us what you need to haul. We'll figure out how to build it.
Toll-Free
(888) 687-2458Local
(918) 352-4474