1680 with the IH engine has 225hp. 1680 with the cummins has 235hp. 1688 has 260hp. 2188 has 260hp. 2388 has 280hp. I have a 1680 with the cummins in it, it uses some oil, engine hrs is around 1900, there will be days that it won't use any, then the next day or days will have to add oil.