Highest B251 1:8 Brushless Servo

The Highest B251 brushless servo (SCH-HSB251) delivers powerful torque and fast transit speeds across a wide 4.8–8.4V range. Built with all‑metal steel gears, a full aluminium case, PCB coating and dual ball bearings, it is designed for efficient, low‑heat performance and long-term reliability. A 25T output spline and compact dimensions provide flexible installation for demanding RC use, with suggested compatibility for 1/8 scale applications.

Key Features

• High-efficiency brushless motor (low heat emission, low power consumption)
• All-metal steel gears
• Full aluminium case
• 25T output spline
• PCB coating
• Dual ball bearings

Performance Specifications

• Power supply: 4.8–8.4V
• Torque: 6.0V – 39.1 kg-cm; 7.4V – 48.4 kg-cm; 8.4V – 57.6 kg-cm
• Speed: 6.0V – 0.11 sec/60°; 7.4V – 0.09 sec/60°; 8.4V – 0.08 sec/60°
• Operating temperature: 14° to 140°F (−10 to +60°C)
• Size: 39.5 × 20.0 × 39.3 mm
• Weight: 74.8 g

Suggested Compatibility

• 1/8 scale RC vehicles using 25T servo horns and space for approximately 39.5 × 20 × 39.3 mm servos