What Is the Land Cruiser Sub Tank Used For?
The Land Cruiser sub tank is an auxiliary fuel tank designed to work alongside the main tank, extending the vehicle’s driving range and adding flexibility for long-distance or remote-area travel. Found on certain models and trims, the sub tank is a popular feature among overlanders, off-road adventurers, and utility vehicle operators.
Main Purpose of the Sub Tank
- Extended Range – Allows drivers to travel farther without stopping for fuel.
- Emergency Backup – Provides an extra fuel supply when the main tank is low.
- Expedition Ready – Ideal for regions with few or no fuel stations.
How the Sub Tank Works
- Fuel Transfer – Some systems pump fuel from the sub tank into the main tank as needed.
- Direct Feed – In other setups, the sub tank can feed the engine directly.
- Switching Mechanism – Operation can be manual or electronic, depending on the model.
Models Equipped with Sub Tanks
- 70 Series Land Cruiser – Common in markets like Australia, Africa, and the Middle East.
- 80 Series and 100 Series – Certain trims came factory-equipped with sub tanks.
- Aftermarket Installs – Kits are available to retrofit sub tanks on other Land Cruiser models.
Advantages for Drivers
- Peace of Mind – Reduces the risk of running out of fuel in remote areas.
- Flexible Fuel Management – Drivers can choose when to use the extra fuel.
- Better Weight Distribution – Strategically placed tanks can improve load balance.
The Land Cruiser sub tank is a practical and valuable feature for those who regularly travel in challenging or isolated environments. It not only increases range but also enhances the Land Cruiser’s capability as a dependable long-distance and off-road vehicle.