Bukh D4 - Technical Data; Engine and Power Specifications

Technical Data
Engine
Type designation D4 D6
No. of cylinders 4 6
Displacement 3,7 dm³
(226 in³)
5,5 dm³
(336 in³)
Bore 103 mm
(4.05”)
103 mm
(4.05”)
Stroke 110 mm
(4.33”)
110 mm
(4.33”)
Compression ratio 17,5:1 17,5:1
Engine, dry weight 483 kg
(1064 lbs)
580 kg
(1279 lbs)
Idling speed, rpm 700-750 600-650
Type designation Aftermarket
designation
Crankshaft power kW (hk)
(1)
Propeller shaft kW (hk)
(2)
D4-180I D4-180I-F 132 (180) 128 (174)
D4-225I D4-225I-F 165 (225) 160 (218)
D4-225A D4-225A-F 165 (225) 158 (215)
D4-260I D4-260I-F 191 (260) 186 (253)
D4-260A D4-260A-F 191 (260) 184 (250)
D4-300I D4-300I-F 221 (300) 212 (289) HS-63
214 (292) HS-80
D4-300A D4-300A-F 221 (300) 214 (292)
D6-300I D6-300I-F 221 (300) 212 (289) HS-63
214 (292) HS-80
D6-300A D6-300A-F 221 (300) 219 (298)
D6-330I D6-330I-F 243 (330) 237 (323)
D6-330 A D6-330A-F 243 (330) 233 (317)
D6-370I D6-370I-F 272 (370) 267 (363)
D6-370A D6-370-F 272 (370) 261 (355)
D6-400A D6-400-F 294 (400) 281 (382)
D6-435I D6-435I-F 320 (435) 310 (422)
D6-435I WJ D6-435I-WJ-F 320 (435) -
1) According to ISO 8665
2) According to ISO 8665
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