Ron I take it that is you? Its Daniel at MCFE here. Where did you get your figures from because they differ to those which I have in the spec sheet.
Greg it depends on which model series you have...
V330B with LC at 48" = 19500 lbs
V330C with LC at 48" = 20900 lbs
These are taken directly from our old specification sheets and is applicable upto a lift height of 218" (18ft).
I would recommend that to ensure you have every base covered that you contact a local Cat Lift Trucks dealer to confirm every aspect of the machine to double check the capacity.
If you post your e-mail address and actual model I can probably e-mail part of the spec sheet.
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