S9120BL 1/5 Digital HV High Torque Brushless Metal Gear Surface Servo

The Spektrum S9120BL brushless servo (model SPMSS9120BL) brings industry-leading torque to your 1/5-scale rig. With a robust stealth-black aluminium case and high-voltage brushless motor, it delivers precision steering with jaw-dropping torque—proven by its win at the 2020 1/5 Worlds Buggy Class.

Features

• Enormous torque output—up to 1,453.5 oz-in (104.7 kg-cm) at 8.4 V for commanding control
• High-voltage brushless motor ensures efficiency and consistent performance under load
• Durable aluminium housing with reinforced pin support and redesigned bearing housing for race-ready reliability
• Removable thicker 18 AWG connector wire enhances robustness and durability
• Ultra-low deadband (<1 microsecond) and high-speed response—up to 0.21 sec / 60° at 8.4 V—for pinpoint accuracy
• Proven performance—used by the winning team in the 2020 1/5-scale buggy world championship

What’s Included

• One Spektrum S9120BL brushless metal gear servo (High Voltage)

Compatibility

• Optimised for 1/5-scale off-road models including buggies, truggies, and large-scale projects
• Fits surface applications with 15T spline output
• Operates across 6.0–8.4 V; ideal for high-voltage systems

Specifications

• Torque: 1,173 oz-in @ 6.0 V; 1,209 oz-in @ 7.4 V; 1,453.5 oz-in (104.7 kg-cm) @ 8.4 V
• Speed: 0.29 sec / 60° @ 6.0 V; 0.23 sec @ 7.4 V; 0.21 sec @ 8.4 V
• Size: 62.7 mm (L) × 30 mm (W) × 27.2 mm (H)
• Weight: 178.6 g (6.3 oz)
• Connector wire: Detachable, 6 in (152 mm), 18 AWG
• Gearing: Metal gears, dual ball bearing design
• Spline: 15-tooth (Large Scale)
• Deadband: Less than 1 microsecond