1st 2000 Ton Class. Not sisters but similar. RFA Burma, RFA Mixol, RFA Thermol, RFA Trefoil, RFA Turmoil.
2nd 2000 Ton Class. Built 1917 -1918. 2226dwt. 342 x 41 x 25 feet. Steam triple expansion with 3 boilers. Capable of 15 - 16 knots. Complement 42 UK, 55 Lascar.
RFA Belgol, RFA Celerol, RFA Fortol, RFA Francol, RFA Montenol, RFA Prestol, RFA Rapidol, RFA Serbol, RFA Slavol, RFA Vitol.