This is the Velineon VXL3m Extreme Brushless Power System from Traxxas.
This is for the 1/16th scale VXL from Traxxas
FEATURES: Ultra high temp sintered neodymium motor magnets
Balanced rotor
High speed ball bearings
Low voltage detection
Traxxas high current connectors
16-gauge wire
INCLUDES: VXL3m ESC, TRX 3375
Velineon 380 Brushless Motor, TRX 3371
REQUIRES: Installation in vehicle
SPECS: VXL3m ESC:
Input Voltage: 6-12 cells NiMH, 2S to 3S LiPo
Motors: Sensorless Brushless
Motor Limit: None
Continuous Current: 52A
Peak Current: 326A
BEC Voltage: 6.0Volts DC
Transistor Type: MOSFET
On-Resistance: 0.0005 ohms
PWM Frequency: 12,000Hz
Weight: 38g (1.34oz)
Motor:
Type: Sensorless Brushless
RPM/Volt: 4000 (8-turn)
Current Ratings: 25A constant/50A burst
Max RPM: 50,000
Weight: 140g (4.94oz)
Length: 48.15mm (1.9")
Diameter: 28mm (1.1")
Shaft Diameter: 2.7mm (0.11")