Turbocharging diesel engines has been around since the early twentieth century, but nowadays, there isn’t a single vehicle on the road that doesn’t have one to enhance power and efficiency.
But it wasn’t always like this, and Toyota’s Landcruiser 1HZ non-turbo diesel engine must definitely be the king of non-turbo diesels.
The 1 in 1HZ implies that it is a first-generation family member of the Toyota HZ engine group.
How long does a 1HZ engine last?
The 1HZ is a 10,000 hour engine before significant rebuild (mine), 500,000 kilometers in real life with no turbo, 200,000-300,000 kilometres with no problems and still operating – of course, there are always exceptions to the rule.
What is Toyota’s best diesel engine?
- The 2.4GD-6 (the “6” does not correspond to cylinder numbers, but rather to a series number) produces 110 kW and 343 NM.
- The top diesel engine is the 2.8GD-6 (a four-cylinder engine again), which produces 130 kW and 420 Nm. Both are turbocharged and have variable vane-housing characteristics to boost torque at low speeds.
How much HP does a 1HZ have?
The IDI or indirect injection design of the 1HZ Toyota Landcruiser 4.2 litre (4164 cc) diesel inline 6-cylinder 12-valve OHC (overhead camshaft) generates maximum power of 96 kW (129 hp) at 3800 rpm and maximum torque of 285 Nm (210 lbfft) at 2200 rpm.
What is the difference between 1HZ and 1HD-T?
The Toyota 1HZ is an indirect injection engine, which means the cylinder head has a pre-combustion chamber. The combustion occurs in the piston with the direct injection 1HDT. In the indirect injection 1HZ, combustion takes place in the cylinder head’s combustion chamber.
Did 1HZ come factory turbo?
We were also comforted by the knowledge that, prior to the introduction of the direct-injection 1HD-T, Toyota produced a factory turbo version of the 1HZ the 1HZ-T that was fitted to Coaster buses in Europe. Al reasoned that if the worst happened piston, rod, or bearing failure there would be plenty of upgraded parts available.
Who makes the most reliable diesel engine?
The 7.3L Powerstroke is still widely regarded as one of the most dependable diesel engines ever produced. With 500 pound-feet of torque and 235 horsepower, it offers enough power for most purposes. With an air-to-air intercooler, oil-based fuelling, and long-lasting internal hard parts, it was built to last. When properly maintained, the Super Duty from 1999 to 2003 may travel much beyond 500,000 miles. If you’re looking for a secondhand 7.3L Powerstroke, you can get a fair deal on one with 150,000 to 250,000 kilometers.