Compression ratio of the gas generator is 14:1, No.and layout of clinders is 12-cylinder,60° Vee.
The main technical data is as follows:
| Type | Four stroke,water cooled, turbocharged and aftercooled,direct injection |
| Bore | 190 mm |
| Stroke | 210 mm |
| Direction of ratio | Counter-clockwise |
| Starting method | Air motor,electric motor |
If want to know more details, please contact us freely.


| Spare parts for 12V190 | |||
| No. | Part Name | Part Number | Qty |
| 1 | CYLINDER BLOCK ASSEMBLY | 1 | |
| 1 | |||
| 3 | CYLINDER HEAD ASSEMBLY | 127.03.00 | 12 |
| 4 | OIL SUMP ASSEMBLY | 12VB.04.00B | 1 |
| 5 | PISTON AND CONNECTING ROD ASSEMBLY | 127.05.00 | 12 |
| 6 | CAMSHAFT AND GEAR TRAIN ASSEMBLY | 127.06.00 | 1 |
| 7 | TORSIONAL VIBRATION DAMPER ASSEMBLY | 12VB.07.00 | 1 |
| 8 | INTAKE LINE ASSEMBLY | 127.08.00B | 1 |
| 9 | EXHAUST LINE ASSEMBLY | 127.09.00A | 1 |
| 11 | NATURAL GAS PIPELINE | 127.14.00 | 1 |
| 12 | MEGNETO TRANSMISSION ASSEMBLY | 127.15.00 | 1 |
| 13 | OIL PUMP ASSEMBLY | 12V.17.00C | 1 |
| 14 | OIL FILTER ASSEMBLY | 12VB.18.00B | 1 |
| 15 | CENTRIFUGAL FILTER ASSEMBLY | 12VB.19.00 | 1 |
| 16 | LUBRICATING PIPING | 127.20.00 | 1 |
| 17 | OIL COOLER ASSEMBLY | 12VB.21.00 | 1 |
| 18 | WATER PUMP ASSEMBLY | 12VB.22.00B | 2 |
| 19 | Cooling line system | 127.24.00 | 1 |
| 20 | INTER-COOLER ASSEMBLY | 12V.27.00 | 1 |
| 21 | HAND PRIMING OIL PUMP ASSEMBLY | 12V.29.00 | 1 |
| 25 | OVERSPEED SAFETY DEVICE | 12VB.37J2.00 | 1 |
| 26 | SPECIAL TOOLS | 127.42.00 | 3 |
| 27 | COUPLING ASSEMBLY | 163.44.00 | 1 |
| 29 | ELECTRIC STARTING SYSTEM | 127.46D.00 | 1 |
| 30 | OIL PUMP BRACKET ASSEMBLY | 12VB.48.00 | 1 |
| 31 | CARBURETTER ASSEMBLY | 127.86.00 | 2 |
| 32 | NATURAL GAS PRESSURE REGALATING VALVE | 127.87.00 | 1 |
| 33 | GOVERNOR CONNECTION ASSEMBLY | 127.89.00 | 1 |
| 35 | Electromagnetic valve | 127.91.00 | 1 |
| 36 | TURBOCHARGER ASSEMBLY | 127.20GJ.00EB | 2 |
