▁bus ▁configuration ▁can ▁seat ▁ 3 ▁adult s ▁and ▁ 4 9 ▁children . ▁The ▁school ▁bus ▁configuration ▁does ▁not ▁have ▁a ▁front ▁passenger ▁seat . ▁ ▁Vari ants ▁ ▁BB 1 0 ▁ 2 B ▁engine ▁First ▁Generation ▁dies el , ▁ 2 2 – 2 5 ▁passengers ▁ ▁R B 2 0 ▁ 2 2 R ▁ 2 . 4 - lit re ▁pet rol ▁engine , ▁ 2 6 ▁passengers ▁ ▁BB 2 1 / BB 2 2 / BB 2 3 ▁ 3 B / 1 3 B / 1 4 B ▁ 4 - cy l ▁engine , ▁ 2 6 ▁passengers ▁( 1 9 8 1 – 1 9 9 3 ) ▁ ▁H B 3 0 ▁ 2 H ▁Engine , ▁ 3 0 ▁passengers ▁ ▁H B 3 1 ▁ 1 2 H - T ▁tur bo ▁engine ▁for ▁EX ▁models , ▁sl iding ▁door ▁( 1 9 8 1 – 1 9 9 0 ) ▁ ▁H DB 3 0 ▁ 1 HD - T ▁tur bo ▁engine ▁for ▁EX ▁models ▁( 1 9 8 9 – 1 9 9 3 ) ▁ ▁H Z B 3 0 ▁ 1 H Z ▁engine , ▁ 3 0 ▁passengers ▁( 1 9 9 0 – 1 9 9 3 ) ▁ ▁BB 4 0 ▁ 3 B ▁engine , ▁ 2 6 ▁passenger ▁( 1 9 9 3 – 2 0 0 3 ) ▁ ▁H Z B 4 0 ▁ 1 H Z ▁engine