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A removable, modular, cargo deck trailer system may include different types of modular, interchangeable, removable deck units which are configured to be removably and interchangeably attached to a trailer. The different types of modular, interchangeable, removable deck units may collectively include

A removable, modular, cargo deck trailer system may include different types of modular, interchangeable, removable deck units which are configured to be removably and interchangeably attached to a trailer. The different types of modular, interchangeable, removable deck units may collectively include a plurality of moving apparatus for moving cargo in a lengthwise direction relative to the deck units, for moving cargo in a vertical direction relative to the deck units, and for moving cargo in at least one of a widthwise direction relative to the deck units, and in a rotating direction relative to the deck units.

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1. A removable, modular, cargo deck trailer system comprising: a JRaD or flatbed trailer having a flat bed portion;first, second, and third different deck units attached to the trailer,wherein:each deck unit comprises one or more interface members for securing the deck units to the flat bed portion

1. A removable, modular, cargo deck trailer system comprising: a JRaD or flatbed trailer having a flat bed portion;first, second, and third different deck units attached to the trailer,wherein:each deck unit comprises one or more interface members for securing the deck units to the flat bed portion of the JRaD or flatbed trailer, wherein said interface members are identically located relative to the respective first, second, and third different deck units allowing the first, second, and third different deck units to be removably and interchangeably attached to an identical location of the JRaD or flatbed trailer,each of the first, second, and third deck units comprise at least one retractable and extendable stop member for retaining cargo;the flat bed portion of the JRaD or flatbed trailer comprises members configured for attachment to said interface members to secure the deck units to the JRaD or flatbed trailer;the first deck unit comprises a first moving apparatus comprising rollers aligned perpendicular to the lengthwise direction relative to the deck units for moving cargo in said lengthwise direction relative to the deck units,the second deck unit comprises a second moving apparatus comprising a plurality of hydraulic lift bars for moving the cargo in a vertical direction relative to the deck units, andthe third deck unit comprises a third moving apparatus comprising a turntable located between side-shift rollers oriented parallel to said lengthwise direction and between pallet-turn rollers oriented perpendicularly to said lengthwise direction for moving cargo in at least one of a widthwise direction relative to the deck units or in a rotating direction relative to the deck units. 2. The cargo deck trailer system of claim 1 wherein each of the first, second, and third deck units comprise at least one forklift hole for inserting a forklift member into the at least one forklift hole. 3. The cargo deck trailer system of claim 1 wherein each of the first, second, and third deck units comprise male members oriented vertically and perpendicularly to the deck units for inserting into females holes of the cargo. 4. The cargo deck trailer system of claim 1 wherein the plurality of hydraulic lift bars are each configured to extend from positions substantially flush to or within a surface of the second deck unit to positions distances away from the surface of the second deck unit. 5. The cargo deck trailer system of claim 4 wherein the second deck unit further comprises two rows of rollers, wherein the plurality of hydraulic lift bars extend between and beyond both rows of rollers. 6. The cargo deck trailer system of claim 1 wherein the third moving apparatus is for moving the cargo in the widthwise direction and for moving the cargo in the rotating direction. 7. The cargo trailer deck system of claim 1 wherein each of the hydraulic lift bars, the turntable, the side-shift rollers, and the pallet-turn rollers are retractable and extendable relative to the deck units. 8. The cargo trailer deck system of claim 1 wherein the interface members comprise female holes, and the JRaD or flatbed trailer comprises male members extending through the female holes of the first, second, and third deck units. 9. The cargo trailer deck system of claim 8 wherein each of the first, second, and third deck units have male members oriented vertically and perpendicularly to the deck units extending through females holes of cargo attached to each of the first, second, and third deck units. 10. The cargo deck trailer system of claim 1 wherein the trailer is a JRaD trailer. 11. The cargo deck trailer system of claim 1 wherein the trailer is a flatbed trailer. 12. The cargo deck trailer system of claim 1, wherein the interface members are further configured for securing the deck units to one another.