Here is some info on the 48 loader that I've cut pasted from another forum site.
Here's some information on the JD48 loader, directly from the operator's manual:
Weight(with 60 inch materials bucket): 1,220 lbs.
Operating dimensions:
These are for a JD4020 tractor with a 60 inch materials bucket. Dimensions will vary depending on the tractor used, tire sizes, and bucket, but this will at least give you a rough idea of what to expect.
Maximum lift height to heel of bucket: 126 inches.
Maximum lift height to bottom of level bucket: 120 inches.
Ground clearance with bucket fully dumped: 104 inches.
Reach (i.e., horizontal distance from nose of tractor to front edge of bucket) with bucket fully dumped: 26 inches.
Reach (i.e., distance from front wheel hub to front edge of bucket) with bucket on ground: 68 inches.
Maximum dump angle (with loader at maximum lift height): 39 degrees (i.e., the floor of the bucket drops 39 degrees below horizontal).
Bucket roll-back angle: 9 degrees (i.e., floor of bucket can roll back 9 degrees above horizontal with the bucket on the ground).
Digging depth: 7.5 inches.