This is the Velineon 3500 Brushless Motor from Traxxas.
FEATURES: Massive torque and linear power
Optimized for 1/10th scale vehicles
Ultra high temp sintered neodymium motor magnets
12-gauge motor wire with gold-plated bullet connectors
Efficient, high-speed ball bearings
Consistent, high-power output
Precision-balanced rotor
Solder tabs with protective end caps
Fully rebuildable
INCLUDES: One Velineon 3500 Extreme Brushless Motor
REQUIRES: Installation on vehicle
SPECS: Type: Sensorless Brushless
RPM/volt: 3500 (10-turn)
Wire size: 12-gauge Maxx Cable
Max RMP: 50,000
Weight: 9.24 oz (262g)
Current Ratings: 65A constant / 100A peak/burst
Magnet type: Ultra High-Temp. Sintered Neodymium
Connection type: Solder tab / TRX 3.5mm Bullet