EXT-6100 Ultra-High-Torque Brushless Servo Motor
- Delivers an impressive 500kg stall torque, making it the highest-torque servo in the Energize Lab lineup for extreme-load applications.
- Compact 75 × 65 mm cylindrical housing packs exceptional torque into a direct-mount, space-efficient design.
- Heavy-duty 820g construction is engineered for demanding industrial and robotics applications requiring maximum force.
- High-performance brushless motor provides smoother operation, greater efficiency, and longer service life than brushed servos.
- Operates on a 12V input voltage, ensuring compatibility with standard robotics power systems and battery packs.
- 13A stall current rating supports extreme-load operation; a robust power supply and appropriate wiring are recommended.
- TTL communication interface enables simplified wiring and easy daisy-chaining of multiple servos on a single communication bus.
- 9 RPM no-load speed is optimized for slow, precise, and maximum-force motion where torque is the highest priority.
- Part of the Energize Lab EXT Series, designed for the most demanding high-torque robotics and industrial automation applications.
- Ideal for heavy-duty robotic arms, quadruped and humanoid robot joints, industrial manipulators, automation equipment, and other extreme-load actuation projects.
- Trusted dealerDirect manufacturer partnership
- Pan-India deliveryInsured shipping, all states
- Post-sale supportTraining + service included
What makes it work
Energize Lab · EXT Series Flagship
EXT-6100 Ultra-High-Torque Brushless Servo Motor
The EXT-6100 is genuine Energize Lab hardware and the highest-torque servo in its entire catalog — 500kg of stall torque, over five times the next-strongest unit we’ve verified, in a compact direct-mount housing.
Highest in Energize Lab’s Catalog
Brushless Motor
TTL Serial Control
75×65mm
Full Specifications
| Specification | Details |
|---|---|
| Product | EXT-6100 Ultra-High-Torque Brushless Servo Motor — genuine Energize Lab hardware, “EXT-6100” and the Energize Lab logo molded into the housing |
| Product Category | Ultra-High-Torque Brushless Direct-Drive Actuator / Robotics Component |
| Stall Torque | 500kg (at rated 12V input) — per xBoom’s own listing, “the highest-torque servo in the Energize Lab lineup”; more than 5x the next-highest unit we’ve verified (EPS-5090/EXA-4060 at 90kg/60kg) |
| No-Load Speed | 9 RPM — deliberately slow, optimized for maximum-force, precision motion rather than speed |
| Stall Current | 13A maximum — same current draw as the EXT-6006; plan a robust power supply and wiring |
| Motor Type | Brushless DC motor |
| xBoom SKU | xboom-146263 |
| Specification | Details |
|---|---|
| Communication | TTL serial connection, supports daisy-chaining multiple servos on one bus |
| Input Voltage | 12V |
| Housing | 75 × 65mm cylindrical, disc-shaped — the same direct-mount rotary form factor as the EXT-6006, scaled up for extreme torque |
| Weight | 820g |
| Series | Energize Lab EXT Series (also includes the much faster, lower-torque EXT-6006) |
| Manufacturer | Energize Lab (Shenzhen Zhuneng Technology Co., Ltd.) — also the creator of the Eilik companion robot |
Energize Lab’s Highest-Torque Servo
EXT-6100 Ultra-High-Torque Brushless Servo Motor: Genuine Energize Lab Hardware
The EXT-6100 is genuine Energize Lab hardware — “EXT-6100” and the Energize Lab logo are molded directly into the housing across all 3 product photos. It is, by a wide margin, the highest-torque servo Energize Lab makes: 500kg of stall torque, more than five times the next-strongest unit we’ve verified in this catalog (the EPS-5090 and EXA-4060, both around 60-90kg).
That torque comes at the cost of speed — 9 RPM no-load, the slowest of any Energize Lab servo covered, an intentional design choice for applications where maximum force matters far more than rotation speed. It shares its direct-mount, disc-shaped housing design with the EXT-6006, but scaled up considerably (75×65mm/820g vs. the EXT-6006’s 68.5×24mm/260g) and tuned for the opposite end of the torque-speed spectrum: where the EXT-6006 delivers torque and speed together, the EXT-6100 sacrifices speed almost entirely for maximum force.
| Spec | EXT-6006 | EXT-6100 (this product) |
|---|---|---|
| Stall Torque | 60kg | 500kg |
| No-Load Speed | 170 RPM | 9 RPM |
| Housing Size | 68.5×24mm | 75×65mm |
| Weight | 260g | 820g |
| Stall Current | 13A | 13A |
500kg Stall Torque
Energize Lab’s highest-torque servo, by a wide margin.
Brushless Motor
Smoother operation and longer service life at extreme load.
Visibly Genuine
Energize Lab’s logo is molded directly into the housing.
TTL Serial Control
Daisy-chain multiple servos on a single control bus.
See Every Detail
What It Is, and Where It Goes
The EXT-6100 is an ultra-high-torque brushless direct-drive actuator — built for the heaviest joints and highest-load applications where torque, not speed, is the priority.
🦾 Heavy-Duty Robotic Arms
🚶 Humanoid Joint Component
🏭 Industrial Manipulators
🔗 TTL Bus Servo
Heavy-Duty Robotic Arms
Extreme-load joints needing maximum lifting force.
Humanoid Robot Joints
Hip and knee actuation under serious structural load.
Quadruped Robot Joints
Maximum-force leg actuation for heavy platforms.
Industrial Manipulators
Extreme-load positioning in industrial equipment.
Research Platforms
Maximum-torque actuation for advanced robotics research.
Extreme-Load Automation
Automation equipment demanding maximum force output.
The Torque Flagship of the Entire Energize Lab Catalog
The EXT-6100 is genuine Energize Lab hardware and the highest-torque servo across every series we’ve verified — EM, EH, EPS, EXA, and EXT. It is not confirmed to be the servo inside Eilik or Panxer; what it shares with them is the same manufacturer and the same TTL control protocol, applied here to Energize Lab’s most extreme actuator.
This completes xBoom’s full Energize Lab servo catalog across the EM, EH, EPS, EXA, and EXT series — twelve products in total, every one verified against Energize Lab’s own manufacturer specification table.
Maximum Force, Flagship-Grade
The EXT-6100 Ultra-High-Torque Brushless Servo Motor brings Energize Lab’s most extreme torque output to demanding robotics work.
💪
500kg Stall Torque
The highest torque rating in Energize Lab’s entire catalog.
⚖️
820g, 75×65mm
Compact for a servo delivering this much force.
🧲
Brushless DC Design
Smoother operation and longer service life at extreme load.
🔌
TTL Serial Interface
Daisy-chain multiple servos on a shared control bus.
⚡
12V, 13A Stall
Robust power delivery for extreme-load operation.
🏷️
Visibly Genuine Branding
Energize Lab logo confirmed in every product photo.
Built for Extreme-Load Robotics
The EXT-6100 suits builders whose application demands more torque than anything else in Energize Lab’s catalog offers.
Heavy-Duty Robotic Arms
Maximum lifting force for extreme-load joints.
Humanoid & Quadruped Robots
Structural joint actuation under serious load.
Industrial Manipulators
Extreme-load positioning in industrial equipment.
Custom Mechatronics Projects
Maximum-force building block for original designs.
Research Platforms
Maximum-torque actuation for robotics research.
Extreme-Load Automation
Automation equipment demanding maximum force.
The Company Behind This Hardware
Energize Lab hasn’t published an EXT-6100-specific demo — this is extreme-load industrial hardware, not consumer content. Honestly labeled: these are official Energize Lab videos of Eilik and Panxer, its consumer robots, included here only to show Energize Lab is a real, established manufacturer — not as a claim that this exact part is used inside them.
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