Aug 13, 2024 · It is a 4.0-liter, inline-six engine known for its reliability and durability. The engine was primarily used in Toyota Land Cruiser models, particularly the 60 series and the HJ61. …

Apr 4, 2025 · The Toyota 12H-T is a 4.0 L (3,980 cc, 242.9 cu·in) six cylinders, four-stroke cycle water-cooled turbocharged internal combustion diesel engine, from the Toyota H-family, …

Jul 29, 2021 · Just sayin', more driveable in the outback, more reliable, longer lasting, less parts, cheaper to rebuild, less fluff bolted to it, more tolerant to abuse.. Criteria varies. The 12HT is a …

May 14, 2020 · Generally speaking, if you are down on power the turbo probably isn't the issue if it's not making any strange noises or has a boost leak. If you are not wanting to run more …

Oct 5, 2008 · Hi, I posted this thread initially in the 60 series area because the test guniea pig was a 12HT powered HJ61. But, If you have any of the other engines listed then this upgrade is …

Trucks that are SOLD are left in the gallery for reference. If you see something you like please let us know. Any model can be special ordered.

The 12H-T is a 4.0 L (3,980 cc) inline 6, 12 valve OHV turbocharged direct injection diesel engine. Bore is 91 mm and stroke is 102 mm, with a compression ratio of 18.6:1. Output is 134 hp …

Mar 1, 2010 · The 1hz engine is a rubber band engine (timing belt) and has slightly more kw than the 12ht but you can increase boost and fuel to achieve much more power. Even as std the …

Aug 5, 2020 · Long-lived and torquey, the 12HT is a prized powerplant even today. The model line-up started with the unimaginatively named Standard which got barn doors at the rear, …

Jun 1, 2018 · 12HTs are great but can have problems with the ring lands wearing out at around 400,000kms so I would recommend swapping the pistons with the upgraded ones to make …