2-2 SHB 803 en – Edition 2.4 * 803s210.fm
Technical data
2 Technical data
2.1 Chassis
Sturdy steel sheet chassis, rubber-mounted engine
2.2 Engine
Engine Model 803
Product Yanmar diesel engine
Type 3TNV70-VNS
Design Water-cooled 4 stroke diesel engine
Number of cylinders 3
Fuel injection system Indirect injection
Aspiration Natural aspiration
Cooling system Water-cooled/blowing fan
Lubrication system Force-feed lubrication with trochoidal pump
Displacement 854 cm³ (52.1 in³)
Nominal bore and stroke 70 x 74 mm (2.75 x 2.91")
Output 9.6 kW (12.9 hp) at 2100 rpm
Max. torque 51.5 Nm (38 ft lbs) at 1500 rpm
Max. engine speed without load 2270 +/− 25 rpm
Idling speed 1300 +/− 25 rpm
Valve clearance (intake = outlet) 0.15 – 0.25 mm/(0.006 – 0.01") cold
Compression 32.4 +/− 1 bar (469.9 +/− 15 psi) at 250 rpm
Engine oil pressure 2.9 – 4.4 bar (42 – 64 psi) at rated output
Pressure switch for engine oil pump 0.5 +/− 0.1 bar (7.25 +/− 1.45 psi)
Thermostat opening temperature 69.5 – 72.5 °C (157 – 163 °F)
Thermal switch 107 – 113 °C (225 – 235 °F)
Firing order 1 – 3 – 2 – 1
Direction of rotation
Anticlockwise
(as seen from the flywheel)
Starting aid Glow plugs (preheating time 4 seconds)
Specific fuel consumption 272 g/kWh (lb/hph)
Max. engine droop
(all 2 pumps under full load)
By about 90 rpm
Exhaust values according to EPA TIER IV final (up to 2012)
Technical data
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