Power HD HD-TR-4M Waterproof Servo for TRX-4M

The Power HD HD-TR-4M is a compact, waterproof, metal-gear micro servo tailored for tight installs where strength and speed matter. Delivering up to 3.2 kg-cm torque at 7.4V with a swift 0.085 s transit speed, it suits small-scale crawlers and scale rigs. Its 22.5 × 12.5 × 24.0 mm case and 14 g weight make it an easy fit, while the JR-type 180 mm lead simplifies connection.

Key Specifications

• Operating voltage: 4.8–7.4 V DC
• Speed: 0.11 s (4.8 V), 0.095 s (6.0 V), 0.085 s (7.4 V)
• Torque: 2.5 kg-cm (4.8 V), 3.0 kg-cm (6.0 V), 3.2 kg-cm (7.4 V)
• Gear type: Copper and aluminium metal gears
• Waterproof construction
• Working frequency: 1520 μs / 50 Hz
• Operating temperature: -10℃ to 60℃
• Connector: JR, 180 mm lead
• Size: 22.5 × 12.5 × 24.0 mm
• Weight: 14.0 g

Suggested Compatibility

• Traxxas TRX-4M (suggested compatibility)
• Other micro crawler applications with similar dimensions and JR connector (suggested compatibility)

Part number HD-TR-4M from Power HD offers a robust, small-format solution where reliable steering performance and waterproof, metal-gear durability are essential.