APA 20/40

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The APA 20/40 is second smallest Ammann Add-On Compactor. It provides a bit more weight and machine width than the APA 20/30, the smallest compactor.

The APA 20/40 works with mini excavators in the range of 2 tonnes to 5 tonnes, often in gardening and landscaping applications. The machine can be mounted in a few minutes and does not require fully hydraulic quick coupling devices. Only two hydraulic hoses are needed.

The APA 20/40 is equipped with a twin-shaft directional exciter featuring a relatively high frequency and low amplitude, which helps protect both the excavator and surrounding buildings.

  • Highlights

  • Specifications

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  • Patented vibration limitation system protects the excavator frame and operator
  • 2-shaft directional exciter
  • Self-blocking mechanical rotating device
  • Rubber bushings prevent metal-on-metal contact under extremely high pressures
  • Runs on hydraulics, reducing emissions and fuel consumption
  • Maintenance-free exciter unit


APA 20/40
 Weights & Dimensions Metric
Operation weight CECE * 170 kg
A = Machine length 875 mm
B = Machine width 400 mm
C = Machine height * 485 mm
Technical specification
Frequency 60 Hz
Centrifugal force 20 kN
Required oil quantity 40-60 l/min
Required operating pressure max 100 bar
Maximum back pressure 30 bar
Recommended size of the carrier < 5 t
* with mechanical positioner

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