What Engine Is in the Toyota FJ40?
The Toyota FJ40 engine is known for its durability, simplicity, and ability to perform reliably in harsh conditions. As one of the most iconic Land Cruiser models, the FJ40 was offered with different engines over its long production run, catering to various markets and performance needs.
Most Common Engine
- F engine – A 3.9-liter inline-six petrol engine producing around 125 horsepower and 209 lb-ft of torque. This engine is renowned for its robustness and long service life, even in extreme environments.
Later Engine Upgrades
- 2F engine – Introduced in later years, this 4.2-liter inline-six petrol engine offered about 135 horsepower and improved torque, making it better suited for heavy loads and off-road performance.
Market-Specific Variants
- Diesel options – In some markets, the FJ40 was offered with diesel engines such as the 3.0-liter B or 3.2-liter H diesel for better fuel efficiency and torque.
Performance Characteristics
- Low-end torque – Both petrol and diesel engines provided strong torque at low RPM, ideal for climbing and hauling.
- Durability – Known to operate reliably in remote, rugged locations with minimal maintenance.
- Simplicity – Easy to repair and maintain with basic tools, making it popular in developing regions and for overlanding.
Maintenance & Longevity
- Routine servicing – Regular oil changes, tune-ups, and valve adjustments keep the engine running for decades.
- Parts availability – Many components are still available through aftermarket suppliers and enthusiast networks.
- High mileage potential – With care, FJ40 engines often exceed hundreds of thousands of miles.
The Toyota FJ40 engine lineup, from the original F engine to the later 2F and diesel variants, was built to endure extreme conditions. Its combination of torque, reliability, and ease of maintenance has helped solidify the FJ40’s reputation as one of the toughest 4x4s ever made.