Brushless Servo 20KG-40KG Waterproof Metal Gear for 1/8 1/10 RC Crawler

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Brushless Motor Speed Advantage

Brushless technology means faster reaction times compared to standard servos. With response speeds as quick as 0.055 seconds at 8.4V, you get instant steering input when navigating technical sections or quick direction changes.

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Fully Waterproof Construction

Sealed waterproof design protects internal electronics from water, mud, and dust. Take your crawler through puddles, wet grass, or sandy conditions without worrying about servo failure.

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Metal Gears Built Tough

Metal gear train inside an aluminium alloy case handles high-stress loads without stripping. Dual ball bearings reduce friction and wear, giving you reliable performance over thousands of cycles.

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High Voltage Precision Control

Operates across 6.0-8.4V range with excellent linearity and a tight 2-microsecond dead band. Digital control system ensures accurate positioning whether you're crawling at low speed or making quick corrections.

Three Torque Options for Different Applications

Choose from 20KG, 30KG, or 40KG standing torque models depending on your vehicle's weight and terrain demands. The 20KG variant suits lighter 1/10 scale crawlers, while 30KG and 40KG options handle heavier 1/8 scale rigs or vehicles with larger tyres that need extra steering force.

Aluminium Alloy Case Dissipates Heat

The AL6061 aluminium case acts as a heat sink, pulling warmth away from the motor during extended use. This keeps operating temperatures stable even during long crawling sessions on hot Australian summer days, preventing thermal shutdown.

Wide Temperature Operating Range

Rated for -20°C to +60°C operation, this servo handles everything from frosty Tassie mornings to scorching outback afternoons. The brushless motor maintains consistent performance across temperature extremes where brushed servos often struggle.

“Installed the 30KG version in my SCX10 clone and the difference is night and day. Steering response is instant and it's handled every muddy track I've thrown at it around the Yarra trails. No issues with water ingress after a dozen wet runs.”

“Bought the 40KG model for my 1/8 crawler with 4.75-inch tyres. Plenty of torque to turn the wheels even when they're wedged against rocks. The aluminium case stays cool even during long sessions at the local quarry.”

“Waterproofing actually works. Drove through a shallow creek crossing and the servo kept working perfectly. The metal gears feel solid and there's no slop in the steering. Good value for the performance you get.”

“Running the 20KG version on 2S in my 1/10 trail truck. Speed is excellent and centering is spot-on. Installation was straightforward with the standard mounting size. Handles the sandy tracks near the coast without any dramas.”