| Models(Description) | Engine | Prod Date | Body | Grade | ATM/MTM | Trans | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) | (13) | (14) | (15) | (16) | (17) | (18) | (19) | (20) | (21) | |
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| BU20LB-QR | B | 04.1981 - 08.1984 | BUS | | | 5H | | LHD | | | SRF | ST | GEN | CBU | | | | | | | | | | | | RU20LB-JR | 5R | 04.1981 - 08.1984 | BUS | | | 4H | | LHD | | | SRF | ST | GEN | CBU | | | | | | | | | | | | RU20LB-MR | 5R | 04.1981 - 08.1984 | BUS | | | 5F | | LHD | | | SRF | ST | GEN | CBU | | | | | | | | | | | | RU20LB-QR | 5R | 04.1981 - 03.1983 | BUS | | | 5H | | LHD | | | SRF | ST | GEN | CBU | | | | | | | | | | |
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