The description as given in the SDE brochure:
Handy in-plant utility transportation for goods and people. Fiberglass body mounts two upholstered seats and provides space for carrying tools, cases, etc. Overall width is 44-in., height to top of seat is 26-in. Unit does not interfered with the use of front or centered mounted equipment.
Manfactured by JENKINS EQUIPMENT CO., INC.
And the corresponding picture from the brochure: