*5 Ton Models: (2-1/2 ton models are listed below)

-M39 SERIES-
M51 Truck, Dump
M52 Truck, Tractor
M54 Truck, Cargo
M55 Truck, Cargo, Long Wheel Base (LWB)
M61 Truck Chassis
M62 Truck, Wrecker, medium
M63 Truck Chassis
M64 Truck, Cargo Van
M139 Truck Chassis
M246 Truck, Tractor, Wrecker
M291 Truck, Van, Expandable
M328 Truck, Stake, Bridging
M543 Truck, Wrecker, medium
M748 Truck, Bolster

-M809 SERIES-

M813 Truck, Cargo
M814 Truck, Cargo, LWB
M815 Truck, Bolster
M816 Truck, Wrecker, medium
M817 Truck, Dump
M818 Truck, Tractor
M819 Truck, Tractor, Wrecker
M820 Truck, Van, Expandable
M821 Truck, Bridging

-M939 SERIES-

M923 Truck, Cargo dropside w/o winch
M924 Truck, Cargo w/o winch
M925 Truck, Cargo dropside w/winch
M927 Truck, Cargo, LWB w/o winch
M928 Truck, Cargo, LWB w/winch
M929 Truck, Dump w/o winch
M930 Truck, Dump w/winch
M931 Truck, Tractor w/o winch
M932 Truck, Tractor w/winch
M933 Truck, Tractor-wrecker w/winch
M934 Truck, Van, expandable w/o winch
M935 Truck, Van, expandable w/winch
M936 Truck, Wrecker, medium w/winch

*2-1/2 TON MODELS:

-M35 SERIES-

M34 Truck, Cargo w/single rear wheels on chassis
M35A2C Truck, Cargo
M36A2C Truck, Cargo, long bed
M44 Truck Chassis
M46A2C Truck, Cargo w/drop sides
M47 Truck, Dump Truck Chassis
M48 Truck, Tractor
M49 Truck, Fuel Tanker
M50 Truck, Water Tanker
M57 Truck Chassis
M59 Truck, Dump
M60 Tuck, Wrecker, light
M108 Truck, Wrecker, light
M109 Trucker, Shop Van
M132 Truck, Medical Van
M185 Truck, Repair Van
M275 Truck, Tractor
M292 Truck, Shop Van w/extendible sides
M342 Truck, Dump
M756 Truck, Maintenance, Pipeline
M763 Truck, Maintenance, Telephone
M764 Truck, Maintenance, Earth-boring

I found this a few months ago and thought it may be of some miniscule use to some of us.