Head to head
Ammann ATR 66 vs Wacker Neuson DPU6555 Hech
The Ammann ATR 66 is a petrol vibratory rammer for trench and confined-space compaction. The Wacker Neuson DPU6555 Hech is a diesel reversible vibratory plate for heavy compaction.
Last reviewed 6 October 2026
Specifications side by side
| Ammann ATR 66 | Wacker Neuson DPU6555 Hech | |
|---|---|---|
| Weight | 66 kg | 505 kg |
| Centrifugal force | 22 kN | 65 kN |
| Working width | 280 mm | - |
| Engine power | 2.7 kW | - |
| Plate width | - | 550 mm |
| Working speed | - | 28 m/min |
Sources: Ammann ATR 66, Wacker Neuson DPU6555 Hech. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ATR 66 if...
A petrol rammer for trench backfill, pipe surrounds and compaction against walls and kerbs. Utility crews and groundworkers use rammers like this where a plate cannot fit.
Full ATR 66 specifications →Buy or hire the DPU6555 Hech if...
A heavy reversible plate used by groundworks and drainage contractors for road sub-base, large trench backfill and granular fill. It suits jobs where a lighter plate needs too many passes.
Full DPU6555 Hech specifications →Common questions
What is the difference between the Ammann ATR 66 and the Wacker Neuson DPU6555 Hech?
The Ammann ATR 66 is a petrol vibratory rammer for trench and confined-space compaction; the Wacker Neuson DPU6555 Hech is a diesel reversible vibratory plate for heavy compaction.
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