This is the Traxxas 775 Titan Motor.                                                                                                        FEATURES: Five-pole armature for superior torque and smoothness                           Fan-cooled                                                                      Heavy-duty 5mm output shaft                                                     Features an extra wrap of steel around the can for maximum magnetic field strength                                                                                                                              INCLUDES: One Traxxas Titan 775 with preinstalled leads and connectors                                                                                          REQUIRES: Installation on vehicle                                                                                                                               SPECS:    Can Diameter: 46.35mm (1.8")                                                    Can Length: 67mm (2.6")                                                         Shaft Diameter: 5mm (0.20")                                                     Shaft Length: 13.5mm (0.53")                                                    Input: 16.8V                                                                    Turns: 10 turns