TPC80 / TPC8OH PLATE COMPACTORS Specifications Model TPC80 TPCS8OH KOHL ER Engine Kohl er CH270 Honda GX160 ENGINES Compaction of Cohesive Soils 10" | 107 Compaction of Granular Soils 22" | 227 Plate Size 16.5" x 21.5" | 16.5" x 21.