Marshall Stability Test Apparatus It consists of body housing, a geared screw jack and motor drive mechanism suitable for operation on 230 V, 50Hz, Single Phase, A.C. supply.MARSHALL LOAD FRAME 1 No.Breaking Head Stability Mould, with a dial gauge ( having 25mm travel and 0.01mm least count), for flow measurement 1 No.Compaction Mould, Steel cylindrical 3 Nos.Base Plate 3 Nos.Extension Collar 3 Nos.Compaction Pedestal, Manual Operation, Comprising a steel plate capped on a wooden post. A Mould Clamp is fitted to the top of the plate . 1 No.Compaction Hammer, satisfies BS 598. The hammer has a 4535 g sliding weight with a free fall of 457 mm 2 Nos.Load Transfer Bar 1 No.Paper Discs, Non absorbent, 11 cm diameter pack of 100 No. 1 Pkt.