TDV6
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- Category: Engines
- Last Updated on Monday, 26 December 2011 14:26
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Land Rover 2.7 litre TDV6 engine
The 2.7 litre (2720 cc) V6 'lion' engine is a member of the Ford Duratorq family of engines and was designed by Ford engineers at their Dunton and Whitley product development centres. It is called the AJD-V6 by Jaguar, the TDV6 by Land Rover and the DT17 by PSA Peugeot-Citroën. In October 1999 Ford and PSA extended their diesel engine joint-venture to include this Euro 4 rated V6 engine.
This V6 diesel engine utilizes a 60° V configuration. The Land Rover version has a single turbocharger of a larger capacity than the twin-turbo design. This is to improve the engine's low-speed torque range for off-road and towing applications. It is also fitted with a very large, engine driven cooling fan to support low speed, but high load driving such as those that may be encountered in desert conditions. Other changes made to the Land Rover version of the engine over the Ford/Jaguar/Peugeot versions include a deeper high-capacity sump with improved baffles to maintain oil pressure at extreme off-road angles and multi-layered external seals to keep out dust, mud and water. The engine is produced in Ford's Dagenham engine plant.
Details below are being researched with regards to the Discovery 3 version of the TDV6 engine. This is currently on-going.
Engine Codes: 2.7 LR-TDV6
Layout: 6-cylinder, vee configuration
Block/Head: Compacted Graphite Iron (CGI) / Alloy
Valves: DOHC, 24 valve, Drive unknown as yet
Capacity: 2,720cc (166 cu. in)
Bore x stroke: 81mm x 88mm (3.19in x 3.46in)
Compression ratio: 18:1
Fuel injection: Common rail injection
Induction: Single Turbocharger
Power: 190 PS (187 hp/140 kW)
Torque: 325 lb ft (440 N·m) @1900rpm
Production: 2004-present
Used in: Land Rover Discovery 3, Range Rover Sport.
Land Rover 3.0 litre TDV6 engine
In 2009 a larger capacity Euro 5 rated version of the TDV6 turbocharged diesel engines were introduced in Jaguar Land Rover vehicles. The TDV6 Gen III is a 3-litre design. As with the previous TDV6 engine, the block is made from compact graphite iron. The common rail injection system includes 2000 bar rated injectors. Emission is reduced via common rail injection, exhaust gas recirculation, and diesel particulate filters.
The parallel sequential system uses only the larger variable geometry turbocharger when engine is running at low RPMs. Once the engine has reached 2800 rpm, the smaller fixed turbocharger is used to push boosted air to the intake port of the larger turbocharger, before the boosted air from the smaller turbocharger is redirected to intercooler 300 milliseconds later, when the smaller turbocharger is fully operational.
Fuel injector includes a piezo crystal fitted nearer to the tip to reduce engine noise, and a metering mode to reduce oversupplying of fuel that increases unused fuel temperature and energy consumption.
The TDV6 Gen III is standard fitment in the Land Rover Discovery 4 and as the smallest diesel available in the Range Rover Sport. In Land Rover products the engine is badged as the 3.0 TDV6. Jaguar fit the AJD-V6 Gen III twin-turbo version to their Jaguar XF and Jaguar XJ models. As with the 2.7-litre engine the Land Rover variants feature a viscous-coupled cooling fan, larger and deeper oil sumps, improved dust and water sealing and a unique calibration of the engine's electronics to allow the use of low-quality fuels.
Details below are being researched with regards to the Discovery 4 version of the 3.0 TDV6 engine. This is currently on-going.
Engine Code: 3.0 LR-TDV6 211PS
Layout: 6-cylinder, vee configuration
Block/Head: Compacted Graphite Iron (CGI) / Alloy
Valves: DOHC, 24 valve, Drive unknown as yet
Capacity: 2,993cc (182.6 cu. in)
Bore x stroke: 84mm x 90mm (3.30in x 3.54in)
Compression ratio: 16.1:1
Fuel injection: Common rail injection
Induction: Parallel sequential twin turbo
Power: 211 PS (208 hp/155 kW) @ 4000rpm
Torque: 384 lb ft (520 N·m) @2000rpm
Production: 2009-present
Used in: Land Rover Discovery 4, Range Rover Sport.
Land Rover's new 3 litre SDV6 engine boosts the power further to 256PS (188Kw) @4000rpm and 600 Nm (433 lb ft) of torque at 2000 rpm.
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