CY4102BZQ Diesel Engine General Situation CY4102BZQ turbo charged diesel engine is developed on the base of CY4102BQ natural - Aspirated diesel engine, Adopting waste gas turbo charge technology, By improving design on intake and exhaust system, Fuel supply system, Combustion system, Cooling system and lubrication system, With Euro II emission standard. In order to improve cold start performance, Preheating system is designed and installed inside the cylinder. CY4102BZQ model diesel engine parts and components have high exchangeability with those of 4102BQ series diesel engines, With good access to spare parts and easy maintenance. This version is a reinforced engine ideally for 2-3 ton trucks, High-Grade intercity buses, Luxury tourist buses and also serves for other machineries by modification. Crankshaft material: 42CrMo, With nitriding surface treatment. Injection pump: Bosch reinforced A type pump, With boost compensator Injector: Long body closed type, With holes4×Φ0.32 Waste gas turbocharger: Radial flow, With gas release valve. Oil pump: Gear type, With pressure limit valve Oil filter: Full flow paper element Oil cooler: Water- Cooled build- In plate case type Fuel filter: Single stage, Paper element Water pump: Vane centrifugal type
| Model |
4102BZQ |
| Type |
Vertical in-line water-cooled ,4-stroke |
| Cylinder no.－bore × stroke |
4-102 ×118 |
| Displacement（L） |
3.856 |
| Firing order |
1-3-4-2 |
| Intake mode |
T |
| Rated speed Kw （Ps） |
88（120Ps） |
| Rated power speed （R/MIN） |
2800 |
| Max.torque（N.ｍ） |
343 |
| Max.torque speed（R/MIN） |
1400-1800 |
| Compression ratio |
16.5：1 |
| Idling speed （R/MIN） |
≤650 |
| Max.empty load speed（R/MIN） |
≤3220 |
| Exhaust temperature |
≤650℃ |
| Min.specific fuel consumption at full load （ｇ/Ｋw.ｈ） |
225 |
| Combustion chamber type |
Direct injection |
| Application |
This version is a reinforced engine ideally for 2-3 ton trucks, high- grade intercity buses, Luxury tourist buses and also serves for other machineries by modification. |