Shredder - RDF/SRF. Contact: George Murphy 086 2231 756 M&J FineShred F320 Single shaft. 400 kW. Output size 10 to 100mm. Capacity up to 23 tons per hour M&J FineShred F210 SingleĀ shaft. 250 kW. Output size 10 to 100mm. Capacity up to 16 tons per hour. M&J FineShred F140 Single shaft 200 kW. Output size 10 to 100mm. Capacity up to 11 tons per hour.