The locomotives were built in three batch with variations between batches: Nos. 207—210 were introduced in 1887; 201 and 202 followed in 1895 taking numbers formerly held by Sambo and Negro; while the final batch 214—217 emerged in 1901.
A series of locomotives was manufactured in three groups with variations between them: The first group, consisting of Nos. 207—210, entered service in 1887. Two years later, in 1895, locomotives numbered 201 and 202 were reintroduced, having previously been held by Sambo and Negro. Finally, the third batch, comprising Nos. 214—217, was introduced in 1901.