The Lawn boy Z340 HLX is a green, sleek lawn machine that is priced at under $4,000. This makes it an excellent value for a midsized tractor. Some standard features of the Lawn boy Z340 HLX include adjustable seating, cup holders, grip pads so your feet do not slip, and wrap around lever style seating. The Z340 HLX goes a speedy six miles per hour and over three miles in reverse. The parts are mainly electric with an electric key system to start as well as an electric clutch system. Other standards for the Lawn boy Z340 HLX include a Honda engine and a Dual Hydros transmission.