The RKE 300 offers a total volume of 146 litres (5.2 cu.ft.) including a full width frozen food compartment of 15 litres (0.5 cu.ft.). The fridge contains 4 rust-proof wire-grill shelves at the inner door, all adjustable. The bottom rack fits 2-litre bottles.
The large kerosene tank fits 9.5 litres (0.4 cu.ft.) and is easy accessible.