The Yanmar 4TN86CHT is a compact yet powerful, in-line, 4-cylinder, 4-stroke, vertical, water-cooled diesel engine engineered for industrial, construction, and heavy-duty applications. It delivers a maximum output of 48.5 kW (65 mhp) at 2600 rpm, featuring a displacement of 2.091 L with a bore and stroke of 86 mm × 90 mm. Equipped with turbocharging and direct injection, this engine meets stringent EU Stage V and EPA Tier IV Final emission standards. The dry weight is approximately 210 kg, and its design emphasizes durability, compactness, and regulatory compliance.

ENGINE SPECIFICATIONS
Rated Output         Rated Speed           Emissions          
48.5 kW / 65mhp      2600 RPM                EPA Tier 3