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Yanmar was founded in March 1912 in Osaka, Japan, [2] by Magokichi Yamaoka. [3] [4] When the company began in 1912, it manufactured gasoline-powered engines. [5] In 1920 the company began production of a small kerosene engine. [6] In 1933, it launched the world's first practical small diesel engine, the HB model. [5] [7] [8]
A Yanmar 2GM20 marine diesel engine, installed in a sailboat. The center pulley is the crankshaft, the lower left one the seawater pump, the upper right one the alternator. The Yanmar 2GM20 is a series of inboard marine diesel engines manufactured by the Japanese company Yanmar Co. Ltd. It is used in a wide range of sailboats and motorboats.
Only the fixed parts of the engine, such as the block and head, are cooled directly by the main coolant system. Moving parts such as the pistons, and to a lesser extent the crankshaft and connecting rods, must rely on the lubrication oil as a coolant, or to a very limited amount of conduction into the block and thence the main coolant. High ...
A 1:1 dilution with water is usually used, resulting in a freezing point of about −34 °F (−37 °C), depending on the formulation. In warmer or colder areas, weaker or stronger dilutions are used, respectively, but a range of 40%/60% to 60%/40% is frequently specified to ensure corrosion protection, and 70%/30% for maximum freeze prevention ...
The starter motor is a 12 V unit. The firing order 1-3-4-2. 18.6 48 kW (65 PS) at 2500 rpm 205 N⋅m (151 lb⋅ft; 20.9 kg⋅m) OHV 4JG1T The 4JG1T engine is a turbocharged version of the 4JG1. Notable differences include a reduced compression ratio of 18.1:1 18.1 63 kW (86 PS) at 2500 rpm 265 N⋅m (195 lb⋅ft; 27.0 kg⋅m) OHV 4JG2
7.0714 1.3224 1.7728 P & S 4 2 3 Torque Converter w/ Lockup Electronic 8HP 55 1st 650 N⋅m (479 lb⋅ft) 2010 – Longitudinal: 4.7143 0.6667 8 7.0714 1.3224 1.7728 P & S 4 2 3 Torque Converter w/ Lockup Electronic 8HP 65 1st 650 N⋅m (479 lb⋅ft) 2010 – Longitudinal: 4.7143 0.6667 8 7.0714 1.3224 1.7728 P & S 4 2 3 Torque Converter w ...
A coolant is a substance, typically liquid, that is used to reduce or regulate the temperature of a system. An ideal coolant has high thermal capacity , low viscosity , is low-cost, non-toxic , chemically inert and neither causes nor promotes corrosion of the cooling system.
All generations of the Ecomat series are no longer in production. 4HP500 / 5HP500 / 6HP500 — four-, five- or six-speed; maximum input torque of 1100 Nm; 4HP590 / 5HP590 / 6HP590 — four-, five- or six-speed; maximum input torque of 1250 Nm