
In Factorio, a fluid wagon, or rail tanker, is a type of train vehicle that can be used to transport multiple types of fluid. Fluid wagons are equipped with multiple tanks that can hold various substances, including fuel, oil, and water. To fill a fluid wagon, it must be stopped at a station, and a tank must be placed two tiles away. Pumps are then used to transfer the fluid from the tank to the wagon. Up to three pumps can be connected to each fluid wagon, and the arrows on the pumps should point in the direction of loading and away from unloading. Fluid wagons can hold up to six tanks, with a maximum fluid capacity of 25,000 units per tank section.
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What You'll Learn

Fluid wagons can hold multiple tanks, each with a different fluid
Fluid wagons, also known as rail tankers, are used to transport fluids such as fuel, oil, and water. They are equipped with multiple tanks, each of which can hold a different type of fluid. This allows for the efficient transport of multiple fluids in a single cart.
In the past, fluid wagons had three tanks, each with a capacity of 25,000 units, for a total capacity of 75,000 units. However, recent updates have reduced the number of tanks to one, with a capacity of 25,000 units. Despite this change, it is still possible to transport different fluids in a single fluid wagon by dividing them across its tanks.
To fill and unload fluids from a fluid wagon, pumps are required. Up to three pumps can be connected simultaneously, with one pump for each tank section. When establishing a loading station, it is important to place the fluid wagon at the station and position a tank two tiles away. The fluid can then be transferred from the tank to the wagon using a pump.
It is important to note that the amount of fluid that can pass through the pumps simultaneously is limited by the pipe carrying the fluid. To optimize the fill rate, tanks should be placed near each pump. Additionally, the arrows on the pumps should point in the direction of loading and away from unloading, ideally positioned directly next to the rail.
By following these instructions, you can effectively utilize fluid wagons to transport and manage multiple types of fluids in your Factorio game.
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How to load and unload fluids from a fluid wagon
A fluid wagon, also known as a rail tanker, is a class of rail vehicle in Factorio used to transport fluids. It is equipped with multiple tanks that can hold different substances, including fuel, oil, and water.
To load and unload fluids from a fluid wagon, follow these steps:
Firstly, ensure your train station has pumps. The fluid wagon can have a maximum of three pumps attached at one time, with one pump for each tank section. Place tanks near each pump to increase the fill rate. Make sure the rails under the fluid wagon are straight, not curved, and that the wagon is aligned precisely with the rail grid. The pumps will only work if the wagon is perfectly orthogonal to the grid.
Secondly, when the fluid wagon is stopped at the station, position the pumps so that the arrows point towards the wagon to load and away from the wagon to unload. The pumps must be directly next to the rail, and you may need to find the \"sweet spot\" for them to connect.
Thirdly, transfer the fluid from a tank to the wagon using a single pump. When selecting a recipe that requires liquid, the assembly machine will display a fluid output or inlet, which can be used to set up the pumps in the appropriate positions.
Finally, it is important to note that fluids can load and unload unevenly unless you are good with circuits and know how to balance them. Therefore, it is advisable to not use too many fluid wagons, as one wagon may fill up quickly while others remain low.
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Using pumps to fill fluid wagons
In Factorio, a fluid wagon is a type of rail vehicle that can be used to transport fluids such as fuel, oil, and water. Each fluid wagon can hold up to six tanks, and each tank can hold a different type of fluid. To load and unload fluids from the fluid wagons, pumps are required.
- Positioning: Place the fluid wagon at the loading station and ensure it is precisely positioned. The fluid wagon should be stopped at the station, and a tank should be placed two tiles away from it. The arrows on the pumps should point in the direction of loading and unloading, and they should be positioned directly next to the rail.
- Connecting Pumps: Connect the pumps to the fluid wagon. Up to three pumps can be connected simultaneously to a fluid wagon, with one pump for each tank section. Make sure the pumps are attached to the tank components of the fluid wagon.
- Transferring Fluids: Use the pumps to transfer fluids from the tanks to the fluid wagon. If you have multiple types of fluids, you can split them into different tanks on the fluid wagon.
- Pump Considerations: The number of pumps per wagon will impact the loading and unloading time. Additionally, the flow rate of fluids is affected by the pipe that carries the fluid to the pumps. Using tanks directly connected to each pump can increase the fill rate.
- Assembly Machine Recipes: When selecting recipes that require liquids in the assembly machine, it will display fluid output or inlet information. Use this information to set up the pumps appropriately for loading and unloading fluids from the fluid wagon.
By following these steps, you can efficiently fill and utilize fluid wagons in Factorio for transporting fluids throughout your factory.
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How to set up a refuel train station
Setting up a refuel train station in Factorio can be done in a few different ways, depending on your preferences and the complexity of your train network. Here is a step-by-step guide on how to set up a refuel train station:
Step 1: Choose a Fuel Type
The first step is to decide what type of fuel you want to use for your trains. Common fuel types include wood, coal, solid fuel, and rocket fuel. Solid fuel is a byproduct of early oil processing, so it can be easily obtained. Rocket fuel is also an efficient option as it burns slowly.
Step 2: Identify Refueling Locations
Determine where you want to set up your refuelling stations. It is recommended to identify places of common intersect, such as your home base, science base, ore smelting yard, or nuclear depot. These locations will be dedicated refuelling stations that your trains can visit when needed.
Step 3: Design the Refueling Station
When designing the refuelling station, consider the number of trains that will use it simultaneously. A large station with multiple entries, loading terminals, and exits may be necessary to accommodate multiple trains without causing congestion. Ensure there is enough space for trains to enter, load fuel, and exit efficiently.
Step 4: Set Up Fuel Storage
You will need a place to store the fuel before it is loaded into the trains. This can be done by setting up a fuel production facility, such as a PetroChem facility, where you can produce and store fuel. You can also use chests to store fuel near the refuelling station, ensuring there is enough fuel available at all times.
Step 5: Implement Fuel Transfer
To transfer fuel to the trains, you can use inserters or logistic bots. Inserters can be placed alongside the train stop to automatically refuel the train each time it stops at the station. Alternatively, you can use logistic bots with roboports at each refuelling station to shuttle fuel to each train. Ensure that the fuel is unloaded into a buffer, from which it can be distributed to all nearby unloading stops.
Step 6: Train Scheduling (Optional)
If desired, you can set up a train schedule to optimise refuelling. This can be done by using circuit conditions or mods. For example, you can program trains to skip the refuelling station if their fuel level is above a certain threshold and only visit the station when their fuel level drops below a certain percentage. This prevents unnecessary refuelling stops.
By following these steps, you can efficiently set up a refuel train station in Factorio, ensuring your trains remain fuelled and your logistics network operates smoothly.
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Using a train to bring fuel to other trains
In Factorio, locomotives are burner devices that require fuel to run. While wood can be used as fuel, it is not recommended as it gets consumed very quickly and is difficult to automate production. Coal, solid fuel, rocket fuel, and nuclear fuel are better alternatives. Solid fuel, for instance, is a byproduct of early oil processing.
To ensure your trains do not run out of fuel, you can set up a "train refuel station". This can be done by having a "train fuel load" stop near where fuel is produced, multiple "train fuel unload" stops, and a single train. The fuel is unloaded into a buffer at each "train fuel unload" stop, and then distributed to all other nearby unloading stops. The train schedule can be set to "wait until full cargo inventory" at the "train fuel load" stop and "wait until empty cargo inventory" at the "train fuel unload" stop.
Another option is to use a fluid wagon, also known as a rail tanker, to transport fuel. These wagons are equipped with multiple tanks that can hold fuel, oil, or water. By connecting the fluid wagon to a train, you can move fluids from one location to another. To load and unload fluids from the fluid wagon, pumps are required. Up to three pumps can be connected to each fluid wagon, with each pump servicing one tank section. To establish a loading station, stop the fluid wagon at the station and place a tank two tiles away. Then, transfer the fluid from the tank to the wagon using a pump.
Additionally, you can use inserters to feed fuel into the train engine. Place chests and solid fuel with a fast inserter alongside the train stop to fuel up the train every time it stops at your base.
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Frequently asked questions
You can refuel a train by clicking on it and opening the train stop menu, then clicking the button at the top left to open the inventory. You can also inserter feed fuel into the train engine by keeping chests and solid fuel with a fast inserter alongside the train stop.
You can set up a refuelling station by bringing fuel to the trains. This ensures that refuelling happens when the train is stopped, instead of requiring a diversion and an extra stop. You can also set up a ""train refuel station" that turns on when the train is empty on fuel.
In vanilla Factorio, you can't read how much fuel a train has. However, you can set up a refuelling schedule or use a "train refuel station" that turns on when the train is empty.
You can use wood, coal, solid fuel, rocket fuel, or nuclear fuel to power your trains. Wood is not recommended as it burns very quickly and is hard to automate production.
A fluid wagon, or rail tanker, can be used to transport multiple types of fluids, including fuel, oil, and water. To load and unload fluids from the fluid wagon, you'll need pumps. Place tanks near the pumps to accelerate the fill rate, and ensure that the arrows on the pumps are pointing in the correct direction.











































