The 2.9-liter twin-turbo engine Volvo B6294T was produced by the company from 2001 to 2006 and installed in the top versions of the S80 sedans and XC90 SUVs, labeled as T6. This power unit is essentially a slightly updated version of the well-known B6284T engine. Modular 6-cylinder engines: B6284T, B6294S, B6304S.
| Exact capacity | 2922 cm³ |
| Power system | injector |
| Engine power | 272 HP |
| Torque | 380 nm |
| Engine block | aluminum R6 |
| Block head | aluminum 24v |
| Cylinder diameter | 83 mm |
| Piston stroke. | 90 mm |
| Compression ratio | 8.5 |
| Engine features | DOHC, intercooler |
| Hydraulic compensator. | tak |
| Timing drive | belt |
| Timing phase adjuster | on intake and exhaust. |
| Turbocharging | twin-turbocharged |
| What oils to use | 6.7 liters 5W-30 |
| Fuel type | 95 |
| Environmental class | EURO 4 |
| Approximate life expectancy | 250 000 HP |
| City | 18.5 litry |
| Route | 9.6 litry |
| Mixed | 12.9 litry |
The engine weight of B6294T according to the catalog is 187 kg. The engine number B6294T is located at the junction of the block and the cylinder head. The twin-turbo unit is known not only for its high fuel consumption but also for expensive spare parts. The weak point of this engine is the camshaft phasers, which often break and leak. The fan control module and the fuel pump are also prone to regular failures. The timing belt does not always last the recommended 100,000 km, and if it breaks, it can cause valve damage. Other issues include air leaks in the intake system and a low lifespan of engine mounts.
| S80 I (184) | 2001 - 2006 |
| XC90 I (275) | 2002 - 2006 |
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The 2.9-liter twin-turbo engine Volvo B6294T was produced by the company from 2001 to 2006 and installed in the top versions of the S80 sedans and XC90 SUVs, labeled as T6. This power unit is essentially a slightly updated version of the well-known B6284T engine. Modular 6-cylinder engines: B6284T, B6294S, B6304S.
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