/ BT50-BSB72-285
/ BT50-BSB90-210
NIKKEN KOSAKUSHO WORKS / BT50-BSB90-210
/ BT50-BSB90-300
MANYO / BT50-BT50-120
KYUSHU KOGU (KKS) / BT50-BTA340-210
日研 / BT50-C12-165
日研 / BT50-C16-135
日研 / BT50-C16-165