HF-3M78 21HP Small 3 Cylinders Performance Marine Engine Diesel Inboard Engines
Basic Info
Model No.: 3M78
Product Description
HF-3M78 21HP Small 3 Cylinders Performance Marine Engine Diesel Inboard Engines. We specialize in manufacturing marine Diesel Engines, also called boat engine, inboard engine, boat motor, marine engine, engine marine, engine boat, boat engine.
HF-3M78 Marine Diesel Engine
1.Vertical,water-cooled,4-Stroke
2.Alternator:14V/600W
3.Marine gearbox:M30
4.Reduction ratio:2:1
Marine Diesel Engine Datasheet
Model | HF-3M78 |
Type | Vertical,water-cooled,4-Stroke,Swirl chamber |
No.of Cylinders | 3 |
Bore*Stroke(mm) | 78*78.4 |
Total displacement(L) | 1.123 |
Rated Power(HP/r/min) | 21/3000 |
Max.torque(N.m) | ≥54 |
Alternator | 14V/600W |
Mariine gearbox | M30 |
Reduction ratio | 2:1 |
Transmission | Mechnical |
Installation angle | ≤20° |
Net weight(kg) | 135 |
Model | Gearbox | Reduction ratio | No. of cylin- ders | Bore/stroke (mm) | Displace-ment (cm³) | Rated power (HP) | Rated speed (r/min) | max. torque at r/min | SFC (g/kW.h) | Starting method | Alternator Volt/Watt | Dry weight (kg) | Dimension (LxWxH) (mm) |
2M78 | M30 | 2:1 | 2 | 78*78.4 | 750 | 14.3 | 3000 | 37.4 | 256 | electric | 14V/750W | 115 | 663*467*535 |
3M78 | M30 | 2:1 | 3 | 78*78.4 | 1123 | 21 | 3000 | ≥56 | 255 | electric | 14V/750W | 155 | 752*467*535 |
380H | MA100 | 2:1,2.5:1,3:1 | 3 | 80*90 | 1357 | 27 | 3000 | ≥70.4 | 242 | electric | 14V/750W | 290 | 830*560*724 |
H60 | 2.13:1,2.63:1 | 3 | 80*90 | 1357 | 27 | 3000 | ≥70.4 | 242 | electric | 14V/750W | 232 | 840*550*724 | |
380M | SCG025 | 1.88:1,2.74:1 | 3 | 80*90 | 1357 | 27 | 3000 | ≥70.4 | 242 | electric | 14V/750W | 232 | 845*550*724 |
M60 | 2.13:1,2.63:1 | 3 | 80*90 | 1357 | 27 | 3000 | ≥70.4 | 242 | electric | 14V/750W | 230 | 840*550*724 | |
385H | MA100 | 2:1,2.5:1,3:1 | 3 | 85*90 | 1532 | 32 | 3000 | ≥83.7 | 242 | electric | 14V/750W | 290 | 830*560*724 |
H60 | 2.13:1,2.63:1 | 3 | 85*90 | 1532 | 32 | 3000 | ≥83.7 | 242 | electric | 14V/750W | 232 | 840*550*724 | |
385M | SCG025 | 1.88:1,2.74:1 | 3 | 85*90 | 1532 | 32 | 3000 | ≥83.5 | 242 | electric | 14V/750W | 232 | 845*550*724 |
M60 | 2.13:1,2.63:1 | 3 | 85*90 | 1532 | 32 | 3000 | ≥83.5 | 242 | electric | 14V/750W | 230 | 840*550*724 | |
2105C | MA125 | 2:1,2.5:1,3:1 | 2 | 105*117 | 2026 | 35 | 2400 | 115 | 245 | electric | 14v/500w | 340 | 953*630*788 |
H80 | 2.13:1,2.63:1 | 2 | 105*117 | 2026 | 35 | 2400 | 115 | 245 | electric | 14v/500w | 240 | 950*630*718 | |
480M | SCG025 | 1.88:1,2.74:1 | 4 | 80*90 | 1809 | 37 | 3000 | ≥96.6 | 241 | electric | 14V/750W | 282 | 945*553*700 |
M60 | 2.13:1,2.63:1 | 4 | 80*90 | 1809 | 37 | 3000 | ≥96.6 | 241 | electric | 14V/750W | 280 | 940*553*700 | |
480H | MA100 | 2:1,2.5:1,3:1 | 4 | 80*90 | 1809 | 37 | 3000 | ≥96.6 | 241 | electric | 14V/750W | 337 | 930*560*724 |
H60 | 2.13:1,2.63:1 | 4 | 80*90 | 1809 | 37 | 3000 | ≥96.6 | 241 | electric | 14V/750W | 282 | 940*553*700 | |
485M | SCG025 | 1.88:1,2.74:1 | 4 | 85*95 | 2156 | 46 | 3000 | ≥120 | 241 | electric | 14V/750W | 292 | 945*553*700 |
M60 | 2.13:1,2.63:1 | 4 | 85*95 | 2156 | 46 | 3000 | ≥120 | 241 | electric | 14V/750W | 290 | 940*553*700 | |
485H | MA125 | 2:1,2.5:1,3:1 | 4 | 85*95 | 2156 | 46 | 3000 | ≥120 | 241 | electric | 14V/750W | 347 | 988*558*777 |
H60 | 2.13:1,2.63:1 | 4 | 85*95 | 2156 | 46 | 3000 | ≥120 | 241 | electric | 14V/750W | 292 | 940*553*700 | |
3105C | MA125 | 2:1,2.5:1,3:1 | 3 | 105*117 | 3039 | 53 | 2400 | 174 | 245 | electric | 14/500w | 395 | 1083*630*788 |
H100D | 2:1, 2.5:1 | 3 | 105*117 | 3039 | 53 | 2400 | 174 | 245 | electric | 14/500w | 300 | 1080*630*718 | |
490H | MA125 | 2:1,2.5:1,3:1 | 4 | 90*105 | 2670 | 58 | 3000 | 152 | 258 | electric | 14V/750W | 405 | 1036*603*817 |
H80 | 2.13:1,2.63:1 | 4 | 90*105 | 2670 | 58 | 3000 | 152 | 258 | electric | 14V/750W | 340 | 975*603*730 | |
490M | SCG025 | 1.88:1,2.74:1 | 4 | 90*105 | 2670 | 58 | 3000 | 152 | 258 | electric | 14V/750W | 325 | 980*603*730 |
4105C | MA142 | 2:1,2.5:1,3:1 | 4 | 105*117 | 4052 | 70 | 2400 | 232 | 245 | electric | 28/500w | 520 | 1219*630*788 |
H100D | 2:1, 2.5:1 | 4 | 105*117 | 4052 | 70 | 2400 | 232 | 245 | electric | 28/500w | 420 | 1215*630*718 | |
4102H | MA142 | 2:1,2.5:1,3:1 | 4 | 102*118 | 3857 | 70 | 2500 | 220 | 238 | electric | 14V/750W | 505 | 1167*631*858 |
H100D | 2:1, 2.5:1 | 4 | 102*118 | 3857 | 70 | 2500 | 220 | 238 | electric | 14V/750W | 405 | 1168*631*823 | |
4108C | MA142 | 2:1,2.5:1,3:1 | 4 | 108*117 | 4285 | 74 | 2400 | 241 | 245 | electric | 28/500w | 530 | 1219*630*788 |
H100D | 2:1, 2.5:1 | 4 | 108*117 | 4285 | 74 | 2400 | 241 | 245 | electric | 28/500w | 430 | 1215*630*718 | |
4105H | MA142 | 2:1,2.5:1,3:1 | 4 | 105*118 | 4085 | 80 | 2500 | 251 | 238 | electric | 14V/750W | 510 | 1167*631*858 |
H100D | 2:1, 2.5:1 | 4 | 105*118 | 4085 | 80 | 2500 | 251 | 238 | electric | 14V/750W | 410 | 1168*631*823 | |
4108H | MA142 | 2:1,2.5:1,3:1 | 4 | 108*118 | 4322 | 90 | 2500 | 278 | 238 | electric | 14V/750W | 520 | 1167*631*858 |
H100D | 2:1, 2.5:1 | 4 | 108*118 | 4322 | 90 | 2500 | 278 | 238 | electric | 14V/750W | 420 | 1168*631*823 | |
498 | H100D | 2:1, 2.5:1 | 4 | 98*105 | 3168 | 85 | 3600 | 196 | 225 | electric | 14V/750W | 350 | 1065*608*716 |
498T | H130 | 2:1, 2.5:1 | 4 | 98*105 | 3168 | 110 | 3200 | 275 | 225 | electric | 14V/750W | 370 | 1115*608*716 |
498Ti | H130 | 2:1, 2.5:1 | 4 | 98*105 | 3168 | 120 | 3200 | 300 | 220 | electric | 14V/750W | 400 | 1115*608*716 |
QD32T | H130 | 2:1, 2.5:1 | 4 | 99.2*102 | 3153 | 120 | 3600 | 221 | 230 | electric | 14V/1000W | 370 | 1083*620*740 |
QD32Ti | H130 | 2:1, 2.5:1 | 4 | 99.2*102 | 3153 | 130 | 3600 | 280 | 225 | electric | 14V/1000W | 390 | 1083*620*740 |
6112 | 120C | 2:1,2.5:1,3:1 | 6 | 112*135 | 7976 | 150 | 2200 | 598 | 235 | electric | 28V/1000W | 918 | 1580*736*992 |
6112T | 120C | 2:1,2.5:1,3:1 | 6 | 112*135 | 7976 | 180 | 2200 | 677 | 225 | electric | 28V/1000W | 928 | 1580*736*992 |
6112Ti | 120C | 2:1,2.5:1,3:1 | 6 | 112*135 | 7976 | 200 | 2200 | 750 | 225 | electric | 28V/1000W | 946 | 1580*736*992 |
174CS | 300 | 3:1,3.5:1,4:1 | 6 | 120*130 | 8820 | 240-265 | 1500-2000 | 1140 | 200 | electric | 28V/1000W | 1800 | 2193*950*1675 |
210CS | 300 | 3:1,3.5:1,4:1 | 6 | 126*130 | 9730 | 285-320 | 1500-2000 | 1370 | 198 | electric | 28V/1000W | 1850 | 2193*950*1675 |
284CS | 300 | 3:1,3.5:1,4:1 | 6 | 126*155 | 11600 | 350-400 | 1500-2500 | 1716 | 206 | electric | 28V/1000W | 1900 | 2193*950*1700 |
Contact Information:
Mr. Albert Song
Whatsapp: +86 18233178972
Skype: kelvin022378
Email: engine(at)houfeng.net.cn
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