SRT W45 (45kg/0.18s/8.4v) HV Coreless Waterproof Servo

Its coreless motor delivers smooth and precise operation, while the titanium and steel gear train offers outstanding durability under heavy loads. The full metal case improves rigidity, heat dissipation, and protection against impacts and vibration.

The waterproof design allows reliable operation in wet, muddy, and harsh environments. Delivering up to 45 kg-cm of torque at 8.4V, the W45 is an excellent choice for heavy-duty crawler and trail truck applications.

Key Features

• High-voltage digital servo
• Waterproof construction
• Smooth and responsive coreless motor
• Titanium and steel gear train
• Full metal case
• Premium NMB ball bearings
• 25T output spline
• High torque for demanding crawler applications
• Compatible with up to 8.4V systems

Specifications

• Servo Type: Digital HV Servo
• Motor Type: Coreless
• Gear Material: Titanium & Steel
• Case Material: Full Metal
• Bearings: Dual NMB Ball Bearings
• Waterproof: Yes
• Output Spline: 25T
• Operating Voltage: 6.0–8.4V
• Control System: Pulse Width Control
• Working Frequency: 1520μs / 330Hz
• Speed @ 6.0V: 0.20 sec / 60°
• Speed @ 7.4V: 0.19 sec / 60°
• Speed @ 8.4V: 0.18 sec / 60°
• Torque @ 6.0V: 34.0 kg-cm
• Torque @ 7.4V: 40.0 kg-cm
• Torque @ 8.4V: 45.0 kg-cm
• Dimensions: 40.7 × 20.5 × 38.6 mm
• Weight: 82.5 g
• Wire Length: 360 mm
• Operating Temperature: -10°C to +60°C

Recommended Applications

• 1/10 Crawlers
• 1/8 Crawlers
• Rock Crawlers
• Trail Trucks
• Scale Crawlers
• Heavy-Duty Off-Road Vehicles
• Wet and muddy environments