A mobile welding rig is a diesel appetite on wheels. The truck itself is usually a heavy one-ton or bigger, hauling a deck loaded with a welder, a compressor, bottles, and steel. Then the engine-driven welder burns its own fuel for every arc hour on site. Pipeline work, fence and corral jobs, equipment repair on farms and construction sites, structural work at facilities: the rig drives real distances to get there and keeps consuming after it arrives.
Rig owners feel fuel two ways, and the second one is sneakier. The first is the obvious pain at the pump. The second is bid risk. Mobile welding is quoted work. A fencing contract, a plant shutdown, or a season of oilfield call-outs gets priced before the work starts, and fuel is baked into the rate, whether it is itemized as a trip charge or buried in the hourly. Quote the job in a soft fuel market, work it in a spiked one, and the difference comes out of your side of the invoice. On a long job, that difference is not small.
A ceiling you can bid against
FuelAnchor is a fuel supply company. You request a quote for the gallons you expect to use, and it comes back with a locked maximum price per gallon for your term. You prepay the gallons and fill with a FuelAnchor card at the stations you choose, which covers the truck stops on the way to remote sites and the small-town stations near them alike. If pump prices stay under your locked maximum, you pay the pump price. If they blow past it mid-contract, your rate holds where you signed it.
That number changes how bidding feels. The fuel line in a quote stops being a guess about the market three months out and becomes a bounded input: your expected gallons at a per gallon cost that cannot exceed a figure you have in writing. Whatever margin you bid is the margin the fuel market can no longer quietly take back.
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One big job, or the whole year
Terms run 1, 3, 6, or 12 months, and rig work maps onto them cleanly from both directions.
For a single large contract, match the term to the job. A fencing project that will run six weeks, a two month plant maintenance window, or a seasonal stretch of harvest-time equipment repair can each sit under a 1 or 3 month agreement quoted right after the contract is signed. You already scoped the hours and the miles when you bid the work; the same estimate gives you the gallons. Prepay them, run the job, and the fuel cost you bid is the fuel cost you get, or better.
For the year-round book of call-outs, a 6 or 12 month agreement covers the whole rhythm: breakdown calls, standing accounts with ranches or contractors, the weekly mix of small jobs that keeps a rig busy between big ones. One locked maximum under twelve months of driving and arc time means every job priced during the term is priced on known fuel.
Getting your number
Every quote is computed at the moment you request it, from current prices in your coverage area, your fuel type, your volume, and your term. There is no rate card, and last month's quote tells you nothing reliable about today's. The rig's diesel is the main event, but a gasoline pickup that scouts jobs or runs parts can be included too; each fuel in a request is priced independently.
Your gallons figure is already sitting in your records: fuel receipts if you keep them loose, or the fuel column in your job costing if you track it tight. Pull a number you believe, decide whether you are covering a job or a year, and request a quote. About a minute to ask, the quote lands by email, and no commitment comes with looking. Bid the next big one with the fuel line nailed down.
🔒 Your information is never shared.
This form saves your progress automatically as you go.