The all-new Toyota Land Cruiser V8 is more than just a go-anywhere, adventure vehicle. As a modern SUV it also offers unbeatable capability on- and off-road, superb refinement and superior driving pleasure.
This flagship of the Toyota four-wheel-drive range is now available with a choice of two of the most powerful and technically advanced engines ever developed by Toyota. They have been developed to enhance the overall performance of Land Cruiser V8 under all road conditions with high power output, a broad controllable torque band, low emissions and low fuel consumption in its class.
The Land Cruiser V8 offers the choice of a brand-new, 4.5-litre V8 D-4D common rail diesel or the latest development of the well-established 4.7-litre V8 petrol engine. With this choice of engines, Land Cruiser V8 customers can choose the power unit that best suits their lifestyle and driving needs without compromising on refinement, comfort or driving pleasure. Both engines are fully compliant with Euro IV emissions regulations while a Diesel Particulate Filter (DPF), available in selected markets, further reduces the impact on the environment.
Brand-new V8 diesel
At the heart of the new Toyota Land Cruiser V8 engine range in Europe will be the 4.5-litre, V8 D-4D diesel engine that has been newly designed for this SUV. This remarkable new engine offers exceptional performance and driving pleasure along with a level of quietness equal to that of petrol engines.
Toyota’s new V8 diesel is the first Toyota application in the world of common rail technology on an eight cylinder engine. This engine features a twin-turbo for maximum output and is available in combination with a new six-speed sequential gearbox. The engine has been developed on four fundamental principles: high power, low fuel consumption, low noise and exceptional reliability. In this way it satisfies the core values of the Land Cruiser V8 range, offering premium quality, durability and reliability.
The new 4.5-litre V8 D-4D engine also offers significant performance and fuel efficiency benefits over the 4.2 L6 TD engine it replaces, and puts the new Land Cruiser V8 above the competition with best-in-class acceleration and fuel economy. Maximum power output from the 4,461 cc engine is 210 kW (286 hp DIN) at 3600 rpm and maximum torque is a massive 650 Nm across the extremely wide engine range of 1600 rpm to 2800 rpm. These figures represent a 40% increase in power output and a 50% increase in torque output over the previous 4.2-litre, six cylinder engine.
As a result the new Land Cruiser 4.5 D-4D has a top speed of 210 km/h and will accelerate to 100km/h in 8.2 seconds – a class-leading performance. Fuel economy is best-in-class and is 4% better than the outgoing 4.2 L6 TD diesel, at 10.2 l/100 km on the combined cycle. Each bank of cylinders on the V8 is served by separate common rail and solenoid injectors. Well proven on the four-cylinder engines, these are adopted to ensure maximum reliability with high engine output and low emissions.
The maximum injection pressure is raised to 1800 bar (compared with 1350 bar on theoutgoing 4.2 L6 TD engine) which means finer, more precise injection of fuel leading to more efficient combustion, more power and greater efficiency. The second generation common rail technology also allows for a quieter combustion process enabling two individual pilot injection strokes of around 1 mm³ quantity ahead of the normal injection stroke, all of which happens within a few milliseconds. As a result, combustion noise from the engine is 3.5 dB(A) lower than the previous engine.
Two low inertia turbochargers are fitted to provide a rapid response to throttle commands and high power output. They feature variable nozzle technology with the nozzle size controlled by a 12-volt DC electric motor, rather than vacuum diaphragm. This means that the nozzle can be adjusted more quickly and on a continuous basis, leading to greater efficiency and precision.
The new diesel engine block is cast in Compacted Graphite cast Iron (CGI) which offers increased strength (75% stronger compared to the engine block material of the outgoing diesel engine) while reducing weight (down 30%) to improve fuel consumption, weight balance and handling.
CGI is a kind of cast iron that is light, resists wear and corrosion, and is very resistant to heat and shock. By using CGI for the cylinder block, Toyota has reduced noise and saved significant weight when compared with equivalent engines.
Engine durability is further enhanced by fitting an oil scavenging system on the turbochargers to collect surplus oil and reduce blue smoke whenever and wherever you go, such as driving on an inclined road, turning and braking. The engine mounts are 1.5 times stronger than on conventional cars. Two electronically-controlled hydraulic mounts are used on the diesel engine to absorb vibration and enhance driving pleasure at low speed or idle. Laboratory tests have simulated severe environment conditions to ensure the engine performs faultlessly in temperatures ranging from -30°C to +50°C.
To achieve low exhaust emissions a V8-style Exhaust Gas Recirculation (EGR) system is adopted with water cooling and a highly efficient, multi-layered EGR cooler. The EGR gas passages have been designed into the cylinder head to reduce the complexity of parts and weight. Furthermore, two rotary solenoid diesel throttles and linear solenoid EGR valves are used to reduce all visible smoke and avoid unstable combustion.
Refined petrol engine
The latest development of the 4.7-litre V8 petrol engine for the new Land Cruiser V8 offers a refined and sporty driving experience with exceptionally low levels of noise, vibration and harshness. Compared to the previous engine, it offers better performance (a 21% increase in available power) and enhanced fuel efficiency (a 12% reduction in fuel consumption, when combined with the five speed automatic transmission).
As a result, the 4.7-litre V8 develops 212 kw (288hp DIN) at 5400 rpm and a massive 445 Nm of torque at 3400 rpm. This is sufficient to give the Land Cruiser a top speed of 200 km/h and it will accelerate to 100 km/h in 9.2 seconds.
The V8 petrol engine is equipped with a number of advanced technologies to enhance driving pleasure, increase performance and fuel efficiency. The Toyota VVT-i (Variable Valve Timing – with intelligence) system is well established as a highly effective way of boosting bottom range torque and mid range power output, while ensuring optimum fuel efficiency through precise control. The V8 petrol also adopts ACIS (Acoustic Control Induction System) which uses valves to vary the air intake pipe length depending on engine speed and throttle settings. This further improves output at high engine speeds and improves torque at low and medium speed.
An air injection system which introduces air into the exhaust ports during cold starts is designed to improve catalyst warm-up efficiency and reduce emissions during the cold start phase.
Advanced transmissions
A brand new, six-speed automatic transmission has been developed to match the new 4.5 V8 D-4D diesel and offer exceptional performance, fuel efficiency and smooth driving pleasure. The new gearbox has been designed focusing mainly on off-road driving with an optimal gearing ratio size, while being able to accommodate high torque and impressive levels of quietness during high speed driving.
The new gearbox is controlled with a sequential shift pattern that allows fully automatic gear changes (D position), or manual selection of a gear range by the driver from the sequential position (S position).
In fully automatic mode the gearbox features Artificial Intelligence (AI) Shift control during which it determines road conditions and driver intentions in order to switch to a shift pattern that creates the most effective driving performance. This can take account of uphill or downhill driving and more sporty input from the driver for excellent response during any driving situation.
The new six-speed gearbox for the 4.5 D-4D V8 also features a deceleration downshift which helps slow the Land Cruiser and also provides fuel cut-off control, thus contributing to excellent fuel efficiency.
The current five-speed automatic gearbox is mated to the 4.7-litre V8 petrol engine with improvements in power performance and excellent fuel efficiency. This gearbox also employs AI Shift control and is operated through a sequential shift pattern.
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