Size( L x W x H )
mm/in
Weight
4.8V
6V
Speed
(sec/60°)
Torque
S04 BB
54.4x26.5x51.5
2.14x1.04x2.03
S666/STD
63.0x32.0x61.6
2.48x1.26x2.43
S666F/2BB
S666N/2BBMG
S666NF/2BB
S666NXF/2BB
S777CG 6BB
65.0x32.0x70.4
2.56x1.26x2.77
S777FCG 6BB
S777XFCG 6BB
S728 ( 28 Volts) COMING SOON~
28V
S728 6BB
65.0x32.0x66.4
2.56x1.26x2.61
BB= 1 Ball Bearing 2BB= 2 Ball Bearings 6BB= 6 Ball Bearings S666N 2BBMG= Semi-Metal Gear (plasticx2,Metal x2)