EN 12697-12; EN 1269-23; EN 12697-34; ASTM D1559 ASTM D5581; ASTM D6927; AASHTO T245
Main features
  • 3 models are available load ring, digital and digital computerized
  • High resolution graphical display
General description

The Marshall Stability Machine is used to determine the load and flow values of bituminous mixtures.

The Marshall is composed of a robust and compact two-column frame with an adjustable upper cross beam driven by an electro-mechanical ram with a maximum capacity of 50 KN and a data acquisition and processing system.

The Marshall Stability Machine can be hand operated by a lateral hand wheel for calibration purposes. The mechanical jack raises the lower cross beam at a constant speed of 50.8 mm/min.

The limit switches are provided for both, bottom and top limit of travel.

The Automatic measuring system consists of a 50KN capacity strain gauge load cell that is fitted to the upper cross beam to read stability values and 25 mm x 0.001 mm displacement transducer fitted to Break Head.

The Manual measuring system consists of a 50 KN capacity load ring and dial gauge graduated 0.01 mm with 25 mm travel.

The Marshall Stability Machine comes complete with a lateral hand wheel for calibration purposes and a 100 mm breaking head.

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Technical specifications

Ordering info

AS 0120 Marshall Stability Machine complete with load ring

AS 0121 Digital Marshall Stability Machine complete with digital gauge

AS 0122 Digital computerized Marshall Stability Machine complete with touch screen and software


AS 0120-1 Breaking Head 100 mm

AS 0120-2 Breaking Head 150 mm

AS 0120-3 Load Ring assembly complete with dia gauge, 50KN

AS 0120-4 S-type load cell 50KN

AS 0120-5 Flow Transducer

AS 0120-6 Data Acquisition and Control System