The M870A2-S is three axle Medium Heavy Equipment Transporter (MHET) that is replacing the M870A2 and is designed to haul a payload of 80,000 lbs. (40-ton) in conjunction with an LVS MK48/MK16 fifth wheel truck tractor, LVSR tractor, or a M931A2 truck tractor with reduced payload. The M870A2-S incorporates a B-21 Reyco Granning Suspension leaf-spring type suspension. M870A2-S trailers are procured as new trailers as well as converted M870A2 trailers during depot level repair efforts. The primary removable kingpin is 3.5-inch diameter with an alternate supplied 2-inch diameter kingpin. The M870A2-S can be loaded over the folding front gooseneck or over the rear ramps and is equipped with D ring tie downs and folding and removable outriggers for wide loads.
