QUANCHAI N485D, Руководство по обслуживанию

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ANHUI QUANCHAI ENGINE CO., LTD
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Chapter 2 Technical Parameters
1. Main technical parameters
Note: Product design and technical parameters are subject to change without notice.
Model N485D N490D
Type Four cylinders, in line, water cooling, four stroke
Type of combustion
chamber
Direct injection
Intake mode Natural aspiration
Cylinder diameter (mm) 85 90
Piston stroke (mm) 95 100
Mean piston speed (m/s) 4.75 5.70 5.0 6
Mean effective pressure of
piston (kPa)
630 618 723 708
Total displacement (L) 2.156 2.545
Compression ratio 18
：
1 18
：
1
Declared power (kW) 17 20 23 27
Declared speed (r/min) 1500 1800 1500 1800
Stable speed governing rate
(%)
≤ 5
Fuel consumption rate at
declared working condition
(g/kW·h)
≤ 245
Engine oil consumption rate
(g/ kW·h)
≤1.63
Crankshaft rotating direction
(facing flywheel)
Counterclockwise
Cooling method Water cooling, forced circulation
Lubrication method Force-feed and splash lubrication
Starting mode Motor start
Ignition order 1-3-4-2