Ord 8 SNL. Higher echelon spare parts and equipment (addendum). G-123. V. 1, Trailer, Athey, 6-ton, BT 898-1, Trailer, Athey, 6-ton. BT 898-4 v. 2. Trailer, Athey, 20-ton, ET 1076-1; Dec. 10, 1943.