Technical data I njector MD2010 MD2020 MD2030 MD2040 Opening pressure (checking) 11.3-12.3 MPa 11.3-12.3 MPa 11.3-12.3 MPa 15.2-16.2 MPa 115-125 kp/cm 2 115-125 kp/cm 2 115-125 kp/cm 2 155-165 kp/cm 2 1639-1784 lbf/in 2 1639-1784 lbf/in 2 1639-1784 lbf/in 2 2205-2347 lbf/in 2 Opening pressure (adjustment) 11.8 MPa 11.8 MPa 11.8 MPa 15.7 MPa 120 kp/cm 2 120 kp/cm 2 120 kp/cm 2 160 kp/cm 2 Needle valve, diameter 1711 lbf/int 3.5 mm 1711 lbf/int 3.5 mm 1711 lbf/int 6mm 2276 lbf/int 4mm (0.1378 in) (0.1378 in) (0.2362 in) (0.1575 in) Journal diameter 1 mm (0.0394 in) 1 mm (0.0394 in) Jet angle 4° 4° 4° 40 1 mm (0.0394 in) 1 mm (0.0394 in) Cooling system MD2010 MD2020 MD2030 MD2040 Type Overpressure, closed cooling system Fresh water system volume, approx (vers.
A/B). 2.1 litres 3.0 litres 4.0 litres 6.9 litres Fresh water system volume, approx (vers. C) ....
2.2 US quarts 2.3 litres 3.2 US quarts 2.9 litres 4.2 US quarts 4.5 litres 7.3 US quarts 6.7 litres 2.4 US quarts 3.1 US quarts 4.8 US quarts 7.1 US quarts 1 st 82° ±2°C (167° ±4°F) (167° ±4°F) (179° ±4°F) (179° ±4°F) fully open at 87°C (189°F) 87°C (189°F) 95°C (203°F) 95°C (203°F) Thermostat valve's lifting height 6 mm 6mm 8 mm 8 mm (0.2362 in) (0.2362 in) (0.3150 in) (0.3150 in) Thermostat, number Thermostat begins to open at 1 st 75 0 ±2°C 1st 75° ±2°C 1st 82° ±2°C Electrical system M D2010 MD2020 MD2030 MD2040 System voltage 12V 12V 12V 12V Fuses 15A 15A 15A 15A Battery capacity (starter battery) 70 Ah 70 Ah 70 Ah 70 Ah Glow plug:
rated voltage 10.5V 10.5V 10.5V 10.5V current 6.9 A 6.9 A 6.9 A 6.9 A Alternator M D2010 MD2020 MD2030 MD2040 Output voltage at +20°C (+68°F) 14.2 ±0.15 V 14.2 ±0.15 V 14.2 ±0.15 V 14.2 ±0.15 V Max. current 60 A 60 A 60 A 60 A Power approx 840 W 840 W 840 W 840 W Suppressor capacitor 2.2 µF 2.2 hF 2.2 hF 2.2 µF Voltage regulator type YV 77 YV 77 YV 77 YV 77 Starter motor M D2010 MD2020 MD2030 MD2040 Starter motor, power approx 0.7 kW 0.7 kW 1.2 kW 2.0 kW Engine speed* with connected starter motor, approx 340 rpm 300 rpm 285 rpm 265 rpm Note: refers to engine with timing gears and at approx. +20°C (+68°F). 1 4