型号Model

495AD

4100AD

495AZD

495ADC

495AZDC

气缸数number of Cylinder

4

4

4

4

4

气缸直径Cylinder bore(mm)

95

100

95

95

95

活塞行程Piston stroke(mm)

115

总排量Total displacement(L)

3.26

3.61

3.26

3.26

3.26

压缩比Compression ratio

16.5:1

17.5:1

16.5:1

发火次序Firing order

1-3-4-2

标定转速Rated speed(r/min)

1500(1800)

1500

1500(1800)

1500

标定功率Rated power(kW)

28.0
(33.0)

31.6
(35)

34.3

25.5
(30)

32

1小时功率One hour power(kW)

30.8
(36.3)

34.8
(38.5)

37.7

28
(33)

35.2

标定工况燃油消耗率
Specific fuel consumption(g/Kw.h)

≤251.6

≤268.4

≤251.6

≤258.4

≤258.4

稳定调速率Steady speed regulation

≤5%

瞬时调速率Instantaneous speed regulation

≤7% ≤10%

转速稳定时间Time required to steady speed(s)

≤5%

转速波动率Fluctuation rate of speed

±0.5%

净质量Net weight(kg)

340

340

370

410

400