Weichai — Weichai 495 Series Diesel Engines Manual (EN)

· 25 · No. Item 49ZD -1 495ZD2 495ZD3 495ZDl 1495ZDl - 1 495P 1 Type Four strokes, Water Cooling, Inline, Swirl combustion chamber 2 Cylinder No. -Bore x Stroke ( mm) 4-95 x 115 3 Total Displacement of Piston ( L) 3.26 4 Pressure Ratio 17:1 19: 1 5 Firing Order 1-3-4-2 6 Air Intake Mode Turbocharged Naturally Aspirated 7 Rated Working Condition 15min Output/Speed( KW/r/min) I Ih Output/Speed( KW/r/min) 39.6/1500 44/1800 38.8/2000 12H OutputiSpeed( KW/r/min) 36/1500 40/1800 35.2/2000 8 Highest Idling Speed( r/min) ~1575 ~1890 ~2160 9 Lowest Idling Stable SPeed( r/min) ~500 ~550 10 Max Torque/Speed ( N.

m/r/min) 11 f--- 12 f--- 13 t---- 14 Rated Working Condition Average Effective Pressure( Kpa) 903 817 650 Fuel Consumption Rate (g/KW. h) ~251. 6 ~258.4 Oil Consumption Rate( g/Kw. h) ~2.04 Exhaust temperature ( OC ) ~540 ~470 15 Crankshaft Ratating Direction ounter clockwise ( Facing to the power output end) 16 Cooling Mode Forced Water Cooling 17 Lubricating Mode Compound type with pressure and splash 18 Starting Mode Electric starting 19 Net Mass( kg) 390 450