The weed whacking workload is way down around my place. Only use my 20 year old Echo GT around our garden edges.

Everywhere else is nuked with a 3ft wide fan pattern of gly-2,4-D and Dawn. About every 4 weeks

our farm spray rig is the 89 nissan pathfinder with 40 gallon tank and 50ft of hose. Put out 15 gallons yest even touching up around the gates and my walk in cooler