1999 Caterpillar 3126, Engine Assys, (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1999 Caterpillar 3126 Diesel Engine For Sale, 3126B, 190HP, AR# 178-1363, Core AR# 173-1336, OEM# S01-26488-016, Engine Serial# 8YL26285, Stock# 6497