A self-contained seed tender (20) includes a plurality of bins (48) as well as a conveyor system (30) with a lower conveyor (32) and a shiftable lift conveyor (34). The lift conveyor (34) is shiftable between a stowed, travel position astride the bins (48) and a central, rearwardly extending delivery position. A deployment assembly (38) serves to sequentially pivot the lift conveyor (34) about an upright axis, followed by lateral translation thereof to the central use position. The conveyor (34) can then be rotated and elevated as desired for off-loading of seeds. The tender (20) may also be used for delivery of other types of agricultural particulates.