- Available with gearheads of GBN50 / GBM37 / GBS35 / GBP30 Series - 3M3529-8CYC Armature Inertia: 0.015 kg-cm Motor Weight: 80 grams - 3M3535-15YC Armature Inertia: 0.025 kg-cm Motor Weight: 115 grams
- Available with gearheads of GBP30 / GBL35 / GBM37 / GBN50 Series - Armature lnertia : 0.022 kg-cm Motor Weight : 140 grams
- Available with gearheads of GBN50 / GBP30 Series - 7E4060 Armature lnertia : 0.035 kg-cm Motor Weight : 250 grams - 7E4065 Armature lnertia : 0.043 kg-cm Motor Weight : 280 grams
- Available with gearheads of GBN50 / GBS70 Series - 7E5475 Armature lnertia : 0.185 kg-cm Motor Weight : 610 grams - 7E54100 Armature lnertia : 0.332 kg-cm Motor Weight : 850 grams