truck generation list

STEAM TRUCKS (More cargo, less speed)
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GEN 01. = 1915 (Stanely Mountain Wagon 9, will be designed as a truck)
GEN 02. = 1930 (Sentinel S4)

EARLY (Less cargo, better speed)
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GEN 01. = 1915 (Ford Model TT Truck)
GEN 02. = 1930 (International A5)

RIGID (Less cargo, better speed)
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GEN 01. = 1945 (GMC CCKW-353)
GEN 02. = 1975 (Pacific P12)
GEN 03. = 1990 (1991 Ford L8000)
GEN 04. = 2005 (2008 Hino 338)
GEN 05. = 2020 (International 4300)

SEMI-TRAILER (more cargo, moderate speed)
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GEN 01. = 1975 (1974 Freightliner)
GEN 02. = 1985 (1985 Kenworth W900)
GEN 03. = 1995 (1995 International 9200)
GEN 04. = 2005 (2005 Freightliner Columbia)
GEN 05. = 2015 (2015 Freightliner Lonestar)

DOUBLES (most cargo, low speed)
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GEN 01. = 1980 (1980 GMC General "Smokey and the Bandit II")
GEN 02. = 1990 (1990 Ford LTL 9000)
GEN 03. = 2000 (2000 Freightliner FLD120)
GEN 04. = 2010 (2010 Peterbilt 389)
GEN 05. = 2025 (2017 Freightliner Cascadia)