If you are looking for a flow meter to monitor the dispensed flow of diesel in an easy way

Multiple-Use Stainless Steel Dispense Coupler4 pin

1/2" ID X 35' EPDM Hose W/ 1/2" NPT

Ideal for creating portable grease or oil dispensing

Coxreels P Series P-MP-420 Swivel Front Wheels If you are looking forCoxreels P Series P MP 420 Coxreels P Series Performance spring driven hose reels are well known for being dependability and having a trouble free performance. The P Series are highly versatile and virtually indestructible because of their compact space saving size and heavy duty construction. The P Series has a worldwide reputation as the most trusted hose reel, because of its time tested proven components, superior design and craftsmanship.