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Caravaggi Chipper / Shredders
These tough units are built heavier than any engine-driven unit in their class: As an implement, the BIO-80 unit weighs 135 lbs, the BIO-100 weighs 217 lbs., and the BIO-150 weighs in at 278 lbs. BCS has purchased the BIO-100 size from Caravaggi (and 2 other “knockoff” vendors) in Italy and marketed it as their own since the late 1980s. BCS chooses not to import the other chipper sizes that Caravaggi produces, but that doesn’t stop us at Earth Tools from importing all the various sizes, to meet our customers’ needs better!
Essentially, while all 3 units perform both Chipping and Shredding functions, the 80 is a GREAT SHREDDER and a good chipper, the 100 is a GREAT CHIPPER and a good shredder, and the 150 is excellent at BOTH. All do the ‘other’ job well enough, but they shine in the highlighted capacities… So, choosing your model is not so much based on tractor size, but what job you will primarily be doing. For example, we have had customers who have a 14hp tractor purchase the BIO-80 chipper/shredder, because they were primarily shredding material for compost. Conversely, if your main task is wood chipping and not really much shredding, the 100 is the best economic choice… and for applications where BOTH functions are desired in equal parts (and you have the tractor HP to run it), the 150 is the unit of choice.
The discharge screen is located on the lower quarter of the shredding chamber, and the screens are available with hole sizes from 1½” down to 5/16” on some models (this small size is effective for cracking corn for feed). Changing screens is a matter of 5 to 10 minutes on all models. Each unit comes with one screen, BIO-100 also comes with “rods” to replace screen if desired (the resulting ‘slots’ allow larger openings for wet material to come out without clogging, since the BIO-100 does not have the “quick-cleanout” feature). BIO-80 has adjustable-height skid/stand for transport and to support the unit when off the tractor; larger units have adjustable-height caster wheels with legs that drop down to support the unit when detached from tractor. We also supply the BIO-100 with an extended-width axle bracket, which can be installed with 2 bolts to better stabilize chipper/shredder on slopes; caster wheels then mount to the ends of this bracket. (leaving this bracket off results in a narrower machine that will fit easily through as little as a 25” opening).
Be advised that Chipper/Shredders in general are designed for handling GREEN wood…they will also handle dry (seasoned) wood OK, but you will have to sharpen the chipper blade more frequently.
Earth Tools now provides the BIO-100 and BIO-150 units with “high-floatation” caster wheels STANDARD EQUIPMENT (previously a $105 additional cost). These roll much better on rough & uneven ground than the old “standard” wheels. The only potential “downside” to these is that the large casters make the chipper sit “up” higher, so if your walk-behind tractor is equipped with relatively small wheels (4x10x18”or smaller), the machine may actually “lean back” toward the tractor so much that engine clearance becomes an issue. In this case, feel free to request the “standard” (5” dia., 1.25” wide) wheels on your chipper…we are happy to provide them instead.
NOTE REGARDING COLORS: While we typically try to match the colors of the Chipper/Shredders to the brand of tractors they are fitting on, we cannot always guarantee this. (For example, Caravaggi’s “standard” color is RED…so occasionally a red one comes through. Works just as well, though!)
NOTE REGARDING SHIPPING: To save our customers money AND to reduce the chances of freight damage, these units are shipped dis-assembled (fully assembled, they are so large, they would cost considerably more to ship!) Assembly instructions included.