This is the AquaCraft 28-35-2200kV Brushless Inrunner Marine Motor.
FEATURES: Highly efficient and maintenance free Double shielded and permanently lubricated dual ball bearings Preinstalled gold plated 3.5mm male bullet connectors
INCLUDES: AquaCraft 28-35-2200kV Motor with Leads, preinstalled male bullet Connectors and separate female Connectors
SPECS: kV Rating: 2200 rpm/V
Input Voltage: 8-14V
Max Surge Current: 28A/15 seconds
Motor Diameter: 1.1" (28mm)
Motor Length: 1.4" (35mm)
Shaft Diameter: 0.12" (3mm)
Weight: 2.5oz (71g) including connectors