Fuel Security Built for Fleet Managers
You manage uptime, cost per mile, and driver accountability. Fuel theft hits all three. The Work Truck Fuel Vault puts an armored, keyed door over the exposed fuel filler on Ford and Ram chassis cabs, so fuel stays in the tank whether the truck is in the yard, on a job site, or parked at a driver’s home.
What fuel theft costs your fleet
- Unexplained fuel loss that fuel-card reports can’t see
- Crews idle at 7 a.m. waiting on an emergency fuel run
- Contaminated diesel or DEF leading to tows, repairs, and derates
- Take-home and job-site trucks outside your yard security
- Locking caps that drivers lose and thieves defeat in seconds
The fix: lock the fill
The Work Truck Fuel Vault is an armored, keyed door that covers the entire fuel filler, cap and neck, on Ford F-350–F-600, E-Series, and Ram 3500–5500 chassis cabs. It blocks siphon hoses, pry bars, and contamination, and bolts on in 8–15 minutes with no drilling. Made in Sarasota, Florida. Patent pending. From $139.95.
Why fleet managers standardize on it
One product, mixed fleet
Fits Ford F-350–F-600, E-Series, and Ram 3500–5500 chassis cabs, so one spec covers the fleet.
Fast rollout
8–15 minute bolt-on install with hand tools — schedule it during routine PM visits.
Measurable ROI
Preventing a single $500–$1,000 theft event typically pays for the door. Model it in the savings calculator.
Easy purchasing
Formal quotes, volume pricing, purchase orders, and net terms for qualified fleets.
What Fleets See
Fuel loss dropped to near zero across the yard
A regional public-works fleet outfitted 30-plus F-550 and Ram 5500 chassis after repeated overnight siphoning at an unsecured lot. Reported fuel shrinkage fell off almost immediately after the bolt-on doors went on.
Stopped repeat siphoning at remote job sites
A utility contractor running trucks parked at remote and unsecured sites installed doors fleet-wide. The exposed fuel and DEF caps were the weak point — once covered, the repeat losses stopped.
Paid for itself inside the first month
A grading contractor lost several hundred dollars of diesel from a single truck before protecting the fleet. At roughly the cost of one tank of stolen fuel per truck, the doors paid back fast.
Added as a standard buildout upgrade
A service-body upfitter now offers the locking fuel door as a visible security line item during buildout, giving fleet buyers a factory-finished theft deterrent from day one.
Illustrative, industry-representative scenarios. Individual results vary by fleet and operating conditions.
Quick answers
What is the best way for a fleet manager to prevent fuel theft?
Read answerDo fuel cards and telematics stop fuel theft?
Read answerHow much does fuel theft cost a fleet, and what is the payback on locking fuel doors?
Read answerHow do I protect take-home and job-site work trucks from fuel theft overnight?
Read answerFrequently asked questions
What is the best fuel theft prevention for a work truck fleet?
A physical locked barrier over the fuel filler on every truck, layered with yard lighting, fuel-card controls, and fuel-level monitoring. The Work Truck Fuel Vault provides the physical barrier for Ford and Ram chassis cabs.
Can keys be standardized across our fleet?
Yes. Talk to our fleet team about keying by location or department.
Do you offer volume pricing?
Yes. Send your truck count and chassis mix for a formal volume quote.
Talk to our fleet team
Share your truck count and chassis mix for a formal quote with volume pricing and part numbers.