The 4.4-liter V8 engine Volvo B8444S was produced at the factory in Japan from 2005 to 2010 and installed in the second generation sedan S80 and SUV XC90 with an automatic transmission. This powertrain was developed and produced by the Japanese company Yamaha Motor Corporation. Currently, the Yamaha series includes only one engine.
| Exact capacity | 4414 cm³ |
| Power system | injector |
| Engine power | 315 HP |
| Torque | 440 nm |
| Engine block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder diameter | 94 mm |
| Piston stroke. | 79.5 mm |
| Compression ratio | 10.4 |
| Engine features | DOHC |
| Hydraulic compensator. | there is no |
| Timing drive | chain |
| Timing phase adjuster | Dual VVTi |
| Turbocharging | there is no |
| What oils to use | 6.7 liters 5W-30 |
| Fuel type | 92 |
| Environmental class | EURO 4 |
| Approximate life expectancy | 500 000 HP |
| City | 19.9 litry |
| Route | 9.8 litry |
| Mixed | 13.5 litry |
The weight of the B8444S engine according to the catalog is 210 kg. The engine number B8444S is located at the junction of the block and the gearbox. It is a very reliable power unit, but the main drawback is fuel consumption. The most expensive problem of the engine is the wear of the balancer shaft bearing. Driving with a buzzing bearing usually leads to chain jumping and valve bending. Additionally, it is a big and heavy engine, which reduces the lifespan of supports and subframe. Overheating quickly causes gaskets to harden and leaks to appear from under the valve covers.
| S80 II (124) | 2006 - 2010 |
| XC90 I (275) | 2005 - 2010 |
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The 4.4-liter V8 engine Volvo B8444S was produced at the factory in Japan from 2005 to 2010 and installed in the second generation sedan S80 and SUV XC90 with an automatic transmission. This powertrain was developed and produced by the Japanese company Yamaha Motor Corporation. Currently, the Yamaha series includes only one engine.
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