This is the Hobbywing Xerun 4268SD G3 1/8 Scale Sensored Brushless Motor - 1900kV [30401906].

Features:

• 1900Kv recommended for 1/8 off road
• Turbo Timing Technology
• Full Sensored mode (when paired with XR8 ESC)
• Adjustable Timing (Bi-Directional) 20-40 degrees
• Advanced Hall Sensor System
• 4-pole-8-magnet "Staggered Pole" rotor - HOBBYWING Patented design
• Guarantees users the effective heat dissipation and dust prevention
• The use of double insulated windings (240°C R-rated), NMB bearings from Japan, and the high-intensity adhesive (340°C) guarantees users the outstanding performance and super durability

Specifications:
Kv: 1900Kv
Pole: 4
LiPo: 2S-6S
Shaft Diameter: 5mm
Resistance: 0.0075
No Load Current: 4A
Size (Diameter x Length): 42x68mm
Weight: 315g
Application: 1/8 Off Road