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Show us your Arb Diggers please.


Stephen Blair

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Billy that's a cracking looking machine, looks like it has huge ground clearance.

 

I've still got my Cat 2.7d, I'm going to get myself a fixed felling head, my energy head is great and will do stuff a fixed 1 won't but I do loose a lot height and reach for a job like you did. Do you think adding a blade to your fixed timber gran would work or would the ram not be strong enough for the shearing.

 

 

Ground clearance seems adequate, not had it in any horrible woods etc yet though!

I doubt adding a blade to the grab would be very effective as a shear as there is a large difference in force produced by each attachment, the ram on the shear is HUGE with a 53kn grabbing/cutting force at 250bar where as my grab only has 9kn grab force so I think the results would be very disappointing.

Also the shear cuts best by getting the stems right down either side of blade close to the pivot, so most conventional grabs if adapted wouldn't leave much room for material in the prime cutting spot there. When bunching several Hawthorn stems together I sometimes needs to work the crowd to help the shear cut through them all so not sure how you'd get on with less power available.

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