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Caterpillar / Athey PR 621

Picture Caterpillar / Athey PR 621
Comparison of size

Picture Caterpillar / Athey PR 621
Rear view

Picture Caterpillar / Athey PR 621
Dumping. The forward-moved rear wheels are clearly visible

Picture Caterpillar / Athey PR 621
The traction unit is jointed flexibly