ATTO weight, not including battery, is:Front half: 26.5 lb (12 kg)Rear half: 37.5 (17 kg)Assembled: 64 lb (29kg)Battery: 4 lb (1.8 kg)ATTO SPORT / ATTO SPORT MAX / SHABBATTO /SHABBATO MAXweight, not including battery, is:Front half: 27.5 lb(12.5 kg)Rear half: 38.5 (17.5 kg)Assembled: 66 lb (30kg)Battery: 4 lb (1.8 kg)