The Japanese breed generally weighs between 80 and 135 pounds ( 36 and 61 kg ) , while the non-Japanese breeders have focused on dogs that weigh from 130 to 200 lb ( 60 to 100 kg ) and stand 24.5 to 32 inches ( 62 to 82 cm ) at the withers .
The Japanese breed generally weighs between 40 and 60 kg , while the non-Japanese breeders have focused on dogs that weigh from 55 to 95 kg and stand 24.5 to 31 inches ( 62 to 80 cm ) at the withers .