Barreling Machines

Machines have a telescopic craft progression (the Burner machine is a required
ingredient for both the Electric and Diesel machines, but Electric is not
needed for Diesel).

Burner Barreling Machine

unlocked with wooden barrels
support wooden and steel barrels

Electric Barreling Machine

unlocked with fluid processing
supports steel and titanium barrels
requires the Burner Barreling Machine in crafting recipes

Diesel Barreling Machine (only if diesel engine mod is detected)

unlocked with diesel engine
support all barrel types (Wooden, Steel, Titanium)
requires the Burner Barreling Machine in crafting recipes

Wooden Barrels

capacity: 200 fluid units
stack Size: 1
rocket capacity 25
Certain recipes support spoilable wooden barrels, which spoil directly into their contained fluid over time
can be placed to be used as fluid tank

Titanium Barrels (only available if you have titanium in game)

Stack Size: 20
rocket capacity 400
double the fluid capacity of steel barrels in rockets
allows for storage and transport fluids that are normally not barrelable

Compatibility

Lignumis

wooden barrels and burner barreling machines are unlocked on lignumis
recipes are adjusted to use lumber and wooden gear wheel instead of just wood
wooden barrels can be crafted in lumber mill
wooden barrel can be filled with wood pulp

Any mod that introduces "titanium plate"

adds titanium barrels
titanium barrels stack 2x more than steel barrels, and you can pack 2x more fluid on rocket compared to steel barrels

Diesel Engine based mods

https://mods.factorio.com/mod/diesel_engine
adds powerfull diesel powered barreling machine
unlocked with diesel engine research

For modders

if you to be able to fill barrel with your fluid, you need to add this code before data-final-fixes.lua

-- wooden barrel
data.raw["fluid"]["wood-pulp"].auto_wooden_barrel = true
-- wooden barrel
data.raw["fluid"]["wood-pulp"].auto_titanium_barrel = true