SRT W45 HV Coreless Waterproof Servo

The SRT W45 HV Coreless Waterproof Servo (SCH-SRTW45) delivers high-torque performance and dependable control for demanding RC builds. Operating across 6.0–8.4V, it combines a coreless motor with a titanium and steel metal geartrain, NMB dual main bearings and an intermediate aluminium case for strength and precision. A 25T output shaft and superior waterproofing make it a robust choice where reliability matters.

Key Features

• Intermediate aluminium case
• NMB dual main bearings
• Superior waterproof design
• 25T output shaft
• Digital control with coreless motor
• Metal gears (titanium & steel)
• 1-Year Limited Warranty

Performance

• Operating voltage: DC 6.0–8.4V (HV)
• Speed @ 6.0V: 0.20 sec/60° (no load)
• Speed @ 7.4V: 0.19 sec/60° (no load)
• Speed @ 8.4V: 0.18 sec/60° (no load)
• Stall torque @ 6.0V: 34.0 kg.cm (472.2 oz-in)
• Stall torque @ 7.4V: 40.0 kg.cm (555.5 oz-in)
• Stall torque @ 8.4V: 45.0 kg.cm (624.9 oz-in)

Specifications

• Type: Digital
• Bearing: Dual (NMB main bearings)
• Motor: Coreless
• Gear type: Metal (titanium & steel)
• Control system: Pulse width control
• Working frequency: 1520 μs / 330 Hz
• Operating temperature: -10 to +60°C
• Potentiometer drive: Direct drive
• Dimensions: 40.7 x 20.5 x 38.6 mm (1.60 x 0.81 x 1.52 in)
• Weight: 82.5 g (2.91 oz)
• Connector wire length: 360 mm (JR)
• Output spline: 25T
• Part number: SCH-SRTW45

Suggested Compatibility

• 1/10 crawler
• 1/8 crawler