DEF Delivery Service in Florida — Diesel Exhaust Fluid

Diesel exhaust fluid (DEF) is a critical operating fluid for any diesel engine manufactured after 2010. It's a precisely formulated solution of 32.5% urea and 67.5% deionized water that's injected into the exhaust stream through the selective catalytic reduction (SCR) system. Without DEF, modern diesel engines go into reduced power mode — also called limp mode — which can stop your operations cold. BettyJet Fueling delivers DEF throughout Florida so you never face a compliance shutdown.

The EPA mandates SCR systems on all medium and heavy-duty diesel engines to reduce nitrogen oxide (NOx) emissions by up to 90%. This means every Class 6 through Class 8 truck, every modern piece of construction equipment, and most agricultural machinery built in the last 15 years requires a steady supply of DEF. Running out isn't just inconvenient — it triggers engine derating that can reduce your equipment's power output by as much as 40%, and eventually forces a complete shutdown until DEF is replenished.

BettyJet delivers DEF in the format that works best for your operation. For high-volume users — trucking companies, fleet operations, large construction sites — we offer bulk tank fills pumped directly into your DEF storage tank. For medium-volume operations, we deliver 275-gallon IBC totes that can be stored on-site and dispensed with a basic pump system. For smaller needs, we supply 55-gallon drums and smaller containers. All DEF we deliver meets the ISO 22241 standard (also known as AUS 32), which ensures the purity required for SCR system compatibility.