The Redcat Racing RER21791 HX-M4K is a high-performance coreless micro servo designed for versatility and strength. Featuring a coreless motor for rapid response and full metal gears for maximum durability, this micro servo is an ideal upgrade for 1/10 scale lowriders and a heavy-duty replacement for shifting duties in larger crawlers.
Vehicle Compatibility
This servo is a multi-platform component, serving various roles across the Redcat lineup:
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Gen9 International Scout: Replacement higher-torque metal gear servo for 2-speed shifting.
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1/10 Lowriders: Steering upgrade for the SixtyFour, FiftyNine, Monte Carlo, and LRH285 chassis.
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MT-18: Fits as a rear steering servo for the micro monster truck.
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Ascent-18 / Scout II 18: Compatible with the 1/18 scale crawler series.
Features
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Coreless Motor: Offers faster speeds, smoother operation, and better heat dissipation than standard brushed motors.
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Metal Gear Drivetrain: Provides the internal strength needed to prevent stripping during high-stress shifting or steering maneuvers.
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Included Mounting Hardware: Comes with specific mounts for the Monte Carlo, SixtyFour, FiftyNine, and LRH285 platforms.
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Versatile Use: Includes a Gen9-specific servo horn, making it ready for use as a shifting servo right out of the box.
Technical Specifications
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Torque: 3.5kg-cm (6V) / 4.0kg-cm (7.4V) / 5.0kg-cm (8.4V)
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Speed: 0.14sec (6V) / 0.12sec (7.4V) / 0.10sec (8.4V)
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Motor Type: Coreless
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Gear Type: Metal
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Includes: Servo, Gen9 Horn, Lowrider Steering Mounts, and MT-18 Mount
