| Enginel Type | 170/173/178 | 186F | 186FA | |
| Fuel Inlet | 5.5 | 6.0 | 7.0 | 7.5 |
| Inlet Screw | Top clearance | Top/None top clearance | ||
| Nozzle | M12×1.5 | |||
| NOP(Mpa) | Ø8 Nipple | |||
| Holes Number | Flat tappet | |||
| Hole Dia(mm) | 30-40 | |||
| Flow(L/min) | 18 | 20/23 | ||
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