The Mitsubishi S12R-PTA is a 49.03 L 6-cylinder turbocharged engine rated at 1500 rpm, producing up to 1320 kW. It powers generator sets from Himoinsa, Mitsubishi, SDMO and Talles, including the HRTW-1300 T5, BCM 1250P-50, BCM 1400S-50 and MGS-EU 1200-C. It holds 4800 L (1268.0 gal) of oil and 125 L (33.0 gal) of coolant.
Also known as: Mitsubishi S12R-PTA, S12R PTA
Part of the Mitsubishi S12R engine family — 13 variants share parts & fitment.
| Oil capacity | 4800.0 L |
|---|---|
| Coolant capacity | 125.0 L |
| Displacement | 49.03 L |
| Cylinders | 6 |
| Aspiration | turbocharged |
| Rated speed | 1500 rpm |
| Gross power | 1320 kW |
Shared across brands: Himoinsa, Mitsubishi, SDMO, Talles
| Part # | Description | Category |
|---|---|---|
| GU-GST-1365 | VALVE GUIDE AND FUEL PUMP PULLER | fuel_pump |
| 37594-01300 | ThreeBond 1211 liquid gasket | gasket |
| GU-53-YA-40 | GUIDE, VALVE TAPPET | guide |
| 33591-10101 | nozzle remover | injector |
| 06.2019 | Radiator | other_service |
| 30091-08800 | valve lapper | other_service |
| 32591-04200 | valve seat puller | other_service |
| 33591-04300 | valve guide remover | other_service |
| 37191-03200 | piston ring tool | other_service |
| 37591-02400 | eye nut | other_service |
| 37591-02600 | rocker bushing tool | other_service |
| 37591-06200 | liner pusher | other_service |
| 37591-06300 | bolts | other_service |
| 37591-06400 | valve seat cutter | other_service |
| 37591-06430 | valve seat cutter | other_service |
| 37598-09100 | head bolt spacers | other_service |
| 37598-09201 | projection plate O | other_service |
| 43291-00301 | Plunger holder (special tool) | other_service |
| 45191-08400 | ring pliers | other_service |
| 48202-09301 | Sleeve installer | other_service |
| 48202-14100 | Shim (thickness: 0.5 mm [0.0197 in.]) | other_service |
| 48202-14200 | Shim (thickness: 0.6 mm [0.0236 in.]) | other_service |
| 48291-00200 | Plunger spring compression jig | other_service |
| 48291-00301 | Plunger holder | other_service |
| 48291-00400 | Cam thrust ejector | other_service |
| 49160-90101 | snap ring pliers | other_service |
| 49160-90110 | snap ring pliers | other_service |
| GU-14-Y | VALV - GU-14-Y | other_service |
| GU-14-Y-117 | BODY - GU-14-Y-117 | other_service |
| GU-14-Y-117B | NUT, LOCK - GU-14-Y-117B | other_service |
| GU-14-Y-117C | DE - Y-117C | other_service |
| GU-14-Y-117D | REGULATOR, FUEL PRESSURE - GU-52-YA-117A | other_service |
| GU-14-Y-117E | SCREW, ADJUSTING - GU-14-Y-117E | other_service |
| GU-14-Y-117G | SPRING - GU-14-Y-117G | other_service |
| MM321420 | piston remover | other_service |
| SCR25 | Mitsubishi SCR system | other_service |
| GU-52-Y-94 | PLATE, DECOMPRESSION | plate |
| 48291-00100 | Pump assembly stand | pump |
| 37191-01500 | valve guide seal installer | seal |
| 37507-12500 | shim, thickness: 0.10 mm [0.0039 in.] | shim |
| 37507-12510 | shim, thickness: 0.05 mm [0.0020 in.] | shim |
| 37507-12520 | shim, thickness: 0.15 mm [0.0059 in.] | shim |
| 48202-14300 | tappet | tappet |
| 48202-14400 | tappet | tappet |
| GU-52-Y-121 | TAPPET, VALVE | tappet |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
The Mitsubishi S12R-PTA engine has an oil capacity of 4800.0 liters.
The Mitsubishi S12R-PTA has a displacement of 49.03 liters with 6 cylinders.
The Mitsubishi S12R-PTA powers 7 generator set(s), including Himoinsa HRTW-1300 T5, Mitsubishi BCM 1250P-50, Mitsubishi BCM 1400S-50, Mitsubishi MGS-EU 1200-C, Mitsubishi S12R-PTA.