Small Tamping Machine

Small Tamping Machine

The STM (Small Tamping Machine) is a truck transportable, tamping machine with the standard Harsco Rail positive displacement tamping units. The STM provides versatility, simplicity, and quality tamping built on a lower cost platform. This machine can perform spot tamping as well as tandem tamping in production operations. The traversing workheads permit switch tamping as well.


  • Top Travel Speed – 40 km/h (25 mph)
  • Cab Controlled Variable Workhead Depth Control
  • Hydraulic vibrators operate at 50 Hz (3,000 VPM)
  • Positive tool displacement of 9.5 mm (3/8 in.)

Key Specifications:

6,676.9 mm (21.9 ft.)
3,354.3 mm (11 ft.)
13,154 kg (29,000 lbs.)
Engineer to Order
Machines are designed to meet the customer’s specifications

+ Available Options - Available Options