Power HD TR4M Micro Servo | Direct Replacement for Traxxas 2065T TRX-4M
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Frequently Asked Questions
Is the TR4M a true drop-in replacement for the Traxxas 2065T - do I need to modify anything?
Yes, the Power HD TR4M is engineered as a direct drop-in replacement for the Traxxas 2065T steering servo. It shares the same mounting dimensions (22.5 x 12.5 x 24.0mm) and uses a standard JR connector, so it installs directly into the TRX-4M servo bay without any chassis modification. Simply remove the original Traxxas 2065T, plug in the TR4M, and reuse your existing servo horn and mounting screws. No drilling, cutting, or adapter plates required.
Is the TR4M compatible with other RC crawlers beyond the TRX-4M?
Yes. While the TR4M is optimized as a direct replacement for the Traxxas 2065T in the TRX-4M, it is also compatible with the Traxxas TRX-4, Redcat KM5, Axial SCX10, and Axial Capra. For other chassis not listed, please verify your servo bay dimensions against the TR4M's 22.5 x 12.5 x 24.0mm body size before ordering. The standard JR connector ensures compatibility with virtually any RC receiver.
Is the TR4M truly waterproof - can I use it in mud and water?
Yes. The TR4M features a fully sealed waterproof housing designed to protect against water, mud, sand, and trail debris. This makes it well-suited for rock crawling, trail running, and wet-weather bashing where the servo is frequently exposed to the elements. While it handles water splashes and brief submersion during crawling, we recommend avoiding prolonged full submersion to maximize the servo's lifespan.
What voltage should I run the TR4M at for best performance?
The TR4M operates on 4.8V to 7.4V DC. For best performance in crawling applications, running at 6.0V (NiMH or regulated BEC) provides a good balance of torque (3.0 kg-cm) and speed. If your receiver or ESC BEC outputs 7.4V (2S LiPo direct), the TR4M will deliver its maximum 3.2 kg-cm torque for confident steering on technical terrain. Do not exceed 7.4V to avoid damaging the servo.
The servo horn and mounting screws are not included - what do I need?
The TR4M is designed to reuse the servo horn and mounting screws from your existing Traxxas 2065T. Simply transfer the horn and screws from the old servo to the TR4M during installation. If your original hardware is damaged or missing, Traxxas-compatible micro servo horns and M2 mounting screws are widely available from hobby shops. Power HD servo arms compatible with the TR4M are also available separately on our store.
What's in the Box
- 1x Power HD TR4M Waterproof Micro Servo — With 180mm JR connector wire. Servo horn and mounting screws not included.
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Description
The Power HD TR4M Waterproof Micro Servo is a precision-engineered direct replacement for the Traxxas 2065T, purpose-built for 1/18 and 1/10 scale RC crawlers and trail trucks. Whether you're upgrading a worn-out stock servo or replacing a damaged unit, the TR4M delivers improved torque, waterproof protection, and reliable steering control in a drop-in fit — no modifications required.
📑 In This Guide
Key Features
- ✅ OEM Direct Fit for Traxxas 2065T — Drop-in replacement for TRX-4M steering servo, no chassis modification needed
- ✅ Waterproof Construction — Fully sealed housing protects against water, mud, and trail debris — essential for rock crawling and wet-weather bashing
- ✅ Copper & Aluminum Gear Train — Durable mixed-metal gears for reliable performance under crawler load and rock-crawling stress
- ✅ Wide Voltage Compatibility (4.8–7.4V) — Up to 3.2 kg-cm torque at 7.4V for confident steering on technical terrain
- ✅ Ultra-Lightweight at 14g — Minimal unsprung weight addition with 180mm JR connector wire for easy receiver connection
Compatibility
- Traxxas TRX-4M (direct replacement for Traxxas 2065T)
- Traxxas TRX-4
- Redcat KM5
- Axial SCX10
- Axial Capra
⚠️ Please verify servo bay dimensions before ordering if installing in non-listed chassis. Servo dimensions: 22.5 × 12.5 × 24.0mm.
Technical Specifications
Source: Power HD official specifications
- Torque @ 4.8V: 2.5 kg-cm (34.7 oz-in)
- Torque @ 6.0V: 3.0 kg-cm (41.7 oz-in)
- Torque @ 7.4V: 3.2 kg-cm (44.4 oz-in)
- Speed @ 4.8V: 0.110 sec/60°
- Speed @ 6.0V: 0.095 sec/60°
- Speed @ 7.4V: 0.085 sec/60°
- Operating Voltage: 4.8–7.4V DC
- Weight: 14.0g (0.49 oz)
- Gear Type: Copper & Aluminum
- Waterproof: Yes (fully sealed)
- Connector: JR, 180mm wire length
- Operating Temperature: -10°C to 60°C
- Working Frequency: 1520μs / 50Hz
- Dimensions: 22.5 × 12.5 × 24.0mm (0.89" × 0.49" × 0.94")
⚠️ Package Note
Package includes: 1× Power HD TR4M Waterproof Micro Servo with 180mm JR connector wire. Servo horn and mounting screws are not included — please reuse existing hardware from your Traxxas 2065T or purchase separately.
Related Accessories
Complete your crawler build with these compatible products:
- PowerHD 1025PH Micro Servo — Alternative micro servo option for compact RC builds
- PowerHD Servo Arm — Compatible servo horns for Power HD servo series
- Metal Repair Station Workbench for TRX-4 / SCX10 — Essential tool for crawler maintenance and servo installation
Power HD TR4M Waterproof Micro Servo — available at SoarSky
Shipping Info
🏭 Fulfillment Warehouses
SoarSky operates warehouses in the US, Europe, and China. Orders are fulfilled from the nearest local warehouse. If local stock is unavailable, your order will ship from our China warehouse and international shipping times will apply.
💰 Shipping Rates
| Type | Condition | Cost |
|---|---|---|
| Free Shipping | Orders over $100 | Free |
| Standard Shipping | Orders under $100 | Based on weight & address |
| International Shipping | All international orders | Based on destination & weight |
⏱️ Dispatch & Delivery Times
| Region | Estimated Delivery |
|---|---|
| Domestic (US) | 5–10 business days |
| International | 10–15 business days |
* Customs processing may affect international delivery times.
🚫 Shipping Restrictions
Some remote areas may experience longer delivery times or limited shipping options. We will notify you if any issues arise.
📦 Order Tracking
Once your order ships, you will receive a confirmation email with a tracking number. Track your shipment via:
| Platform | Link |
|---|---|
| 17Track | www.17track.net |
| SoarSky Order Tracker | soarskyrc.com/pages/track-order-1 |
📬 Contact Us
If you encounter any issues such as damaged items or lost packages, please contact our customer service team as soon as possible and we will work to resolve it promptly.