THE STUDY OF HYDRAULIC RIDING LAWN MOWER PERFORMANCE FOR LARGE AGRICULTURAL PLOTS THE STUDY OF HYDRAULIC RIDING LAWN MOWER PERFORMANCE FOR LARGE AGRICULTURAL PLOTS

Abstract

This study examines the performance of a Hydraulic Riding Lawn Mower for agricultural. Experiments were conducted under controlled conditions, analyzing key factors such as travel speed, cutting width, and engine power. Performance was measured in terms of fuel consumption, operating time, and economic efficiency. The mower is 110 cm wide, 180 cm long, and 70 cm high, powered by a 15.5-horsepower (11.4 kW) diesel engine. Power is transmitted to a hydraulic pump via a manual control valve, driving the wheels and a cutting system with a 1:1.93 gear ratio. The blade measures 7.62 cm in width, 90 cm in length, and 1 cm in depth. Tests on a 1-rai area at 5 km/h showed an average fuel consumption of 0.56 liters per rai, with a mowing time of 20.17 minutes per rai, or 18.69 rai per day. Economic analysis found a production cost of 160,000 THB, a breakeven point of 22.98 rai per year, and a payback period of 8 years, 8 months, and 20 days. Results confirm the mower’s cost-effectiveness and potential for reducing mowing expenses.