GT3 

6.0-8.4v OPERATING VOLTAGE

WATERPROOF ip67

Specs:

765oz @ 6v, 905oz @ 7.4v, 1025oz @8.4v

.16 speed @6v, .135 speed @7.4v, .124 speed @8.4v

7.4 amps @ 8.4v

25 tooth horn required 

40*20*38mm (1.57 x 0.78 x 1.5 in)