BX1880 - 43.9 cu in, 18.0 hp, 33.1 ft lb, 3200 rpm
BX2380 - 54.8 cu in, 23.0 hp, 41.3 ft lb, 3200 rpm
BX2680 - 61.1 cu in, 25.5 hp, 44.4 ft-lb, 3200 rpm
B2301 - 61.1 cu in, 22.0 hp, 44.2 ft lb, 2800 rpm
B2601 - 68.5 cu in, 25.5 hp, 52.3 ft lb, 2800 rpm
B2650 - 76.9 cu in...