comparison no .: 02928713, 02929990 compatible with the following manufacturers: Deutz b> motor Deutz BFL913, Agroprima 4.51 Agro Prima 4.56 Agrostar 4.61, Agrostar 4.68, Agrostar 4.71, Agrostar 4.78, Agrostar 6.31, Agrostar 6:38, Agrostar 6.61, AgroXtra 4:47, AgroXtra 4:57, DX 140, DX 145, DX 160, DX 4.50 DX 4.70, DX 6:50, DX 7.10, DX 86, DX 92, Intrac 6.30, Intrac 6.60 3 rings & oslash 102 mm & oslash bolt 40 x 80 mm with cooling channel collar & oslash 124.5 mm focal space & oslash 58 mm Chamber depth 17.6 mm