How strong is the Rockwell T-221
Just like the title says. The reason I ask is I am planning a swap and need to know if it will handle a 300-400hp 750-900ftlbs Cummins.
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60 4x4,235,SM420,Rockwell T221,D44/HO33 sold 4/12
67 C-20,292,SM420,HO72
90 Dodge W250 Cummins,NV4500HD,205,D60/D80
93 Dodge W350 Dually Cummins, Getrag, 205,D60/D70
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