Software for the yard running fuel trailers.

A fuel trailer is the unit a yard sends when a job needs diesel parked on-site, not trucked in load by load. It rolls out behind a pickup, drops on the pad, and keeps the generators, light towers, pumps, and earthmovers fed straight from the tank — by gravity or through a transfer pump and hose reel. On a frac spread or a drilling rig it sits there so the iron never goes cold overnight. That standing-by role is exactly why fuel trailers are awkward to run as a fleet: they are towable, product-laden, and pump-driven, so the things that fail are not bent forks but leaking seams, drifting meters, dead bearings, and a tank that has slipped past its recertification date. EquipFlow runs fuel trailers the way the yard that built it runs them — dispatch, billing, maintenance, and return inspection on one record per unit.

Built inside Rental King, right now.

Rental King is a heavy-equipment rental yard in Odessa and Midland, TX. They run fuel trailers, manlifts, forklifts, light towers, generators, compressors, and water trucks on MSA contracts through the Permian Basin — 24/7, oilfield pace. EquipFlow was designed and first deployed inside that yard. Every feature was tested against their live operation before it shipped. The product runs there today.

Fuel trailers earn their keep by sitting on a job ready before the equipment needs them, and that standing-by pattern is exactly where revenue leaks if the back office cannot keep up. A trailer staged on a pad earns nothing extra unless the standby days reach the invoice, and it loses money when a return goes out the gate with a leaking nozzle, a contaminated tank, or a recert date nobody tracked. The hour meter on a pump-equipped unit anchors both the PM clock and the billing, so it has to be captured the same way every time — at return, on the inspection, against the rental record. When dispatch, billing, maintenance, and inspection all read from one unit record, the dispatcher quotes the right rate, the mechanic services the pump and the running gear against real use, and the bookkeeper closes the month without rebuilding where each trailer went. That single-record discipline is what keeps a fuel-trailer fleet off memory and out of guesswork.

Fuel Trailer specs the rental record tracks.

Every number below is a sourced specification range. The render layer is the only path these values reach the page — they live on the unit record, not in a dispatcher's head.

Tank capacity

500-990gal

Transfer pump flow rate

15-40gpm

GVWR

7000-12000lb

Tank wall steel gauge

7-10ga

Per-axle rating (dual axle)

3500lb

Empty (dry) weight

2000-3830lb

Tank certification standard

DOT 406 / TC 406

How EquipFlow handles fuel trailers on the dispatch board.

A fuel trailer is dead weight until something tows it, so the dispatch board treats it as a unit that must be paired with a truck and a driver rated to pull a loaded tank. The board shows which trailers are on location, which are loaded and staged for delivery, and which are due back, on one responsive screen at any hour. The trap is the configuration the customer actually needs: a gravity-only tank sent to a job that expected a transfer pump and hose reel is a return trip, so the dispatcher confirms pump, reel, nozzle, and grounding gear on the rental record before the truck hooks up. Because a loaded trailer rides heavy and the tow vehicle has to be sized for it, the board flags the unit's loaded weight at assignment rather than letting a driver discover it at the hitch. Overlapping completion windows double-book the same trailer class easily, so conflicts surface at the point of assignment.

Billing fuel trailers — MSA, standby, and site-level tax.

Most fuel-trailer demand in the oilfield is MSA-contracted, so the rate override lives on the customer record per equipment class, not in a sheet the dispatcher keeps. A trailer rental created for that account picks up the negotiated rate on its own. When a trailer sits staged on a pad through a weather hold or a rig delay — which fuel trailers do constantly, since the whole point is to be there before the iron needs it — standby is billed at a rate separate from active rental days, and the dispatcher marks standby so the invoice carries both lines without a month-end rebuild. Delivery and pickup charges ride the same invoice, as does any transfer-pump or hose-reel add-on. Tax jurisdiction is set on the delivery-site record, so a trailer that moved between counties still gets the right rate per site. EquipFlow does not meter the diesel inside the tank; fuel volume is settled on the contract terms, while the rental itself bills here. Invoices post to QuickBooks Online on close.

Maintenance on fuel trailers.

A fuel trailer has no chassis engine, but it is not maintenance-free, and the parts that fail are the ones a yard forgets to schedule. PM is hour-meter driven where the unit carries a transfer-pump engine — that meter posts when the return inspection records it, and the maintenance module advances the PM clock from that reading so service lands on real run time rather than the calendar. The pump, the meter, the hose reel, the nozzle, and the filter come due against those hours. The running gear is the other half: wheel bearings, brakes, lights, and tires take a beating from rough lease roads and need their own service rhythm. The tank itself carries a federal recertification cadence that a yard cannot let lapse without pulling the unit from DOT-regulated transport. Work orders, parts, and meter history live on the unit record, which is also where a damage charge from a return inspection becomes a repair ticket.

Fuel Trailer return inspections.

Two inspection rhythms apply. Before each tow the driver runs a walkaround on the trailer and its load — a requirement for hauling a certified tank of flammable product on the road — and that pre-trip check is the customer's responsibility while the unit is on rent. The yard's own control is the return inspection: before a fuel trailer comes off rent, the driver runs a mobile-web checklist on a phone, with no app to install, captures the hour-meter reading where a pump engine is fitted, and attaches required photos that cannot be skipped. The checks that matter here are specific to these units — tank for leaks, dents, and weeping seams, the vent and emergency vent, the grounding and bonding lug, the transfer pump and meter, hose and nozzle condition, the running gear and tires, lights, brakes, and the tow coupler and safety chains. Tying the inspection to the rental record before the trailer leaves the customer site means a dispute over a leaking fitting or a cracked hose has photos and a timestamp behind it.

Common fuel trailer classes in the field.

The product, the same way it runs for fuel trailers.

The sections below are the EquipFlow modules that matter most when running fuel trailers — each links to the full feature detail.

Operator guides for running fuel trailers.

Field-tested playbooks that go deeper on pricing, dispatch, billing, and maintenance for fleets like this.

• Adding a New Equipment Category to Your Yard →
• Aerial Lift Inspection Requirements →
• Air Quality Equipment Rentals →
• Asset Tagging for Rental Fleets →

What you give up running fuel trailers in EquipFlow.

EquipFlow is a web app, so the return inspection needs a signal to load. On a remote pad with no coverage, the driver cannot finish the mobile inspection at the customer site, so most yards run it back at the yard, which means the photos and hour reading land later than ideal. There is no built-in telematics tie-in today, so pump-engine hours and fault data are not pulled from a manufacturer portal automatically — the hour meter is captured at the return inspection instead. EquipFlow also does not meter the diesel volume in the tank or track fuel as an inventory fluid; product is settled on the contract terms. A yard with an unusual billing structure should bring it to the demo to be scoped honestly.