* The year of manufacture: Nissan 1400 bakkies were produced for several years, and the engine specifications varied between model years.
* The model/trim level: There might have been different versions of the 1400 bakkie with different engine options.
* The country of sale: Engine specifications may vary depending on the market.
Once you provide me with this information, I can tell you about the engine's displacement, horsepower, torque, fuel type, and other technical details.