Grass 13 is a 1999 Ford F250 4×4 FES custom brush truck with roll cage. It holds 250 gallons of water that is pumped by a gas-powered, electrically started, 250 GPM single-stage pump. Grass 13 carries an 1.75″ attack line, a rear-mounted jump line, forestry hose, shovels, axes, and other had tools. Grass 13 responds to grass and brush fires.