Meet the EcoPower WP173 — a high-voltage, high-torque, high-speed aluminum micro servo built to dominate the 1/16 & 1/18 scale world. Waterproof, fully metal-geared, and engineered for precision, this servo is the ultimate upgrade for Traxxas®, Axial®, Losi®, Arrma® Grom™, TRX-4M™ (with mount), and more.
Designed for brutal performance and long-term durability, the WP173 packs a coreless motor, an aluminum case, and torque numbers that punch way above its size.
High-Performance Speed & Torque
Whether you're racing, crawling, or bashing, the WP173 delivers lightning-fast response and incredible power:
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Speed:
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0.09 sec/60° @ 6.0V
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0.07 sec/60° @ 8.4V
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Torque:
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123 oz-in @ 6.0V
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173 oz-in @ 8.4V
Smooth, crisp control — even under heavy load.
Built for Abuse
This servo is ready for the rough stuff:
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Full metal gear train
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Waterproof aluminum case
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Ball-bearing supported output
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Includes aluminum servo horn
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Long-lasting durability for harsh environments
Wide Compatibility
A true drop-in powerhouse for most micro platforms:
Arrma® Grom Series:
Gorgon • Granite • Mojave • Quake • Typhon
Axial:
1/18 Yeti Jr
FMS:
FCX18 • FCX24 • FCX24M
Furitek:
Cayman • Cayman Pro • FX118 • Gold Digger • Hiroyama • TerraX
Losi:
Mini Drag • Mini-B • Mini-T 2.0 • NASCAR
Redcat:
Ascent-18
Traxxas:
TRX-4M™ & TRX-4MT™ (Requires EcoPower CNC Aluminum Servo Mount ECP-3072)
Features:
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High torque + high speed performance
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Waterproof aluminum case
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Digital coreless motor
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Full metal gear construction
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Aluminum servo horn included
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25-tooth output shaft (standard micro)
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Operates from 6V–8.4V
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Compact size for 1/16 & 1/18 models
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Built for racers, crawlers, and bashers
Includes:
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(1) EcoPower WP173 Aluminum Digital Micro Servo
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(1) Aluminum Servo Horn
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(2) Composite Servo Horns
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Mounting Hardware
Specifications:
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Application: 1/24, 1/16, 1/18
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Input Voltage: 6V–8.4V
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Speed:
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0.09 sec/60° @ 6.0V
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0.07 sec/60° @ 8.4V
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Torque:
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123 oz-in @ 6.0V
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173 oz-in @ 8.4V
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Motor: Digital Coreless
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Output Shaft: 25T • 5mm
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Gear Material: Metal
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Dimensions: 23 × 12 × 31.75mm
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Weight: 23g
Tech Notes:
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Do not exceed 8.4V.
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Waterproof, but prolonged submersion may weaken seals.
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TRX-4M platforms require the EcoPower ECP-3072 Aluminum Servo Mount.
