TE180E1C --- Max. Torque : 3950 kgf/cm (284 lb / ft)

TE168E1C --- Max. Torque : 3450 kgf/cm (248 lb/ ft)

TE144E1C --- Max. Torque : 2593 kgf/cm (187 lb / ft)

TE120E1C --- Max. Torque : 1890 kgf/cm (136 lb / ft)

1.5Ah & 2.0Ah --- Ni-Cd rechargeable battery

2.6Ah -------------Ni-MH rechargeable battery