3级型号
GMC-6
GMC-9
GMC-12
GMC-18
GMC-22
GMC-32
GMC-40
GMC-50
GMC-65
GMC-75
GMC-85
GMC-100
GMC-125
GMC-150
GMC-180
GMC-220
GMC-300
GMC-400
GMC-600
GMC-800
GMD-9
GMD-12
GMD-18
GMD-22
GMD-32
GMD-40
GMD-50
GMD-65
GMD-75
GMD-85
GMC-9/4
GMC-12/4
GMC-18/4
GMC-22/4
GMC-32/4