RC4WD R3 Scale Single Speed Transmission (Z-U0028)

The RC4WD R3 Scale Single Speed Transmission (Z-U0028) is a robust, scale-accurate gearbox as used on the RC4WD Gelande 2. Built for trail reliability and smooth power delivery, it features a cast metal casing, clockable motor mounting and a proven internal ratio for controlled crawling performance.

Features & Specifications

• Cast Metal Casing
• Clockable Motor Mounting (10 different positions)
• CNC Aluminum Motor Mount
• Single Speed
• Internal Gear Ratio: 1.78:1
• Gear Ratio w/64t spur and 14t pinion: 8.13:1
• Wide Steel .8 Mod Pinion Gears
• Delrin Spur Gear
• Slipper Clutch Design
• Changeable Gearing Options
• Compatible With Other Brand Pinions and Spur Gears
• Output Shaft OD: 0.19" / 5mm

Shown mounted in the Gelande 2 for reference (vehicle not included).

What’s Included

• 1x R3 Scale Single Speed Transmission
• 1x 14t .8 Mod Hardened Steel Pinion Gear (Z-S0430)
• 1x M3 x 3mm Set Screw (Z-S0124)

Replacement Parts

• Internal Gear Set for R3 Single Speed Transmission (Z-G0070)
• 64t Delrin Spur Gear for R3 2 Speed Transmission (Z-G0055)

Required Parts

• R3 Single Speed Transmission Mounts (Z-S0802)

Optional Parts

• Metal Drive Coupling for Gelande 2 (Z-S0803)
• RC4WD V8 Engine Cover with Metal Intake Set for R3 Transmission (Z-S1749)