Name: Rick Corey Everett WA 98204 (Zone 8a) Sunset Zone 5. Koppen Csb. Eco 2f
Hmm, an industrial-strength shredder ... maybe!
P.S. If you need to shred a lot of paper or cardboard for a compost heap, consider soaking it in water for a few hours. Then whack that pulpy mass with a hoe or mattock.