Thank you very much SofaKing for taking those measurements. I just measured my 1 ton. Height measurements are about the same but lengths are quite a bit different. Mine are about 9 1/4" longer. Here are the differences front to back (yours/mine):
4 1/2 / 5 1/4, 30 1/2 / 34 1/2, 20 1/2 / 25...