Ricardo TH490-494 Series Diesel Engine

Rated power/speed(KW/r/min):22/1500-36/1500  24/1800-40/1800
Fuel consumption(g/kw.h):≦253
Oil pressure under calibration conditions(mpa):0.2-0.4

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Product Details

Type	ZH490D	ZH493D	ZH490ZD	ZH493ZD
Number of cylinders	4	4	4	4
Bore/stroke(mm)	Φ90×100	Φ93×100	Φ90×100	Φ93×100
Cylinder volume(L)	2.54	2.72	2.54	2.72
Compression Ratio	18∶1	18∶1	18∶1	18∶1
Firing sequence	1-3-4-2	1-3-4-2	1-3-4-2	1-3-4-2
Flywheel interface	SAE4#7.5	SAE4#7.5	SAE4#7.5	SAE4#7.5
Speed regulation method	Mechanical speed regulation Electronic speed regulation	Mechanical speed regulation Electronic speed regulation	Mechanical speed regulation Electronic speed regulation	Mechanical speed regulation Electronic speed regulation
Air intake method	Naturally aspirated	Naturally aspirated	Boosting	Boosting
Starting method	Electric start	Electric start	Electric start	Electric start
Cooling method	Foreced water cooling	Foreced water cooling	Foreced water cooling	Foreced water cooling
Natural operating temperature of cooling water	≦95	≦95	≦95	≦95
Rated power/ speed(KW/r/min)	22/1500	25/1500	30/1500	36/1500
Rated power/ speed(KW/r/min)	24/1800	27/1800	33/1800	40/1800
Fuel consumption (g/kw.h)	≦253	≦253	≦253	≦253
Fuel supply advance angle before top dead center	17°±1°	17°±1°	17°±1°	17°±1°
Oil pressure under calibration conditions(mpa)	0.2-0.4	0.2-0.4	0.2-0.4	0.2-0.4
Water tank capacity(L)	4	5	6.3	6.3
Oil bottom capacity(L)	7	7	7	7
Outer packaging size	950640970	950640970	950640970	820600880
Weight	246	246	252	256