200kg hammer for a 2.5 tonne excavator and above 100kg hammer for a 1.5 tonne up to 2.5 tonne excavator 400kg hammer with taller mast for 13 tonne excavator and above Hammer weight can be increased for higher-tonnage machines Transfers the weight of the mast onto the post while driving, making the hammer more effective by using weight transfer system Easily operated by one person Short mast makes it very easy to transport both digger and post driver on a trailer No leg required to rest on the ground meaning easy to position held above ground and its use is not inhibited by hedges, banks or fencing like some other machines and is easy to use for repairs to existing fencing where a leg would make this difficult This post driver is very easy to use in awkward situaltion and is a robust machine which will give years of service.