FMS FCX24 Unimog 421 1/24 4WD RTR Micro Rock Crawler

The FMS FCX24 Unimog 421 is a detailed 1/24-scale licensed rock crawler featuring full-time 4WD, portal axles, oil-filled shocks, and realistic LED lighting. This RC rock crawler excels at low-speed technical crawling on rocks, dirt, or indoor obstacles, with a scale Unimog body, functional details, and adjustable suspension. Its compact size and complete RTR package make it a popular choice for hobbyists interested in remote control rock crawlers for trail simulation or display.

Performance

The high-torque brushed motor and 4WD drivetrain with portal axles provide excellent low-end torque and high ground clearance for crawling over small obstacles. The adjustable oil-filled shocks and multi-link suspension allow tuning for different surfaces. Speeds are kept low and controlled, prioritizing precision rather than racing. Runtime averages 20–30 minutes on the included 7.4V 380mAh LiPo battery, delivering smooth power for extended trail sessions.

Build Quality

Composite chassis with metal portal axles, steel C-channel frame, and sealed ball bearings ensure good durability in tight spaces. The polycarbonate Unimog 421 body with detailed accessories (roof rack, spare tire, winch) survives rollovers and light crashes. Waterproof electronics protect against dust and splashes. Users report solid longevity, though plastic wheel hexes may wear on abrasive rocks (metal upgrades available).

Control

The included 2.4GHz transmitter offers full proportional steering and throttle with ~30 m range. Response is smooth with minimal lag, ideal for precise line choice on technical terrain. Steering trim and throttle endpoints are adjustable. Transmitter requires 4×AA batteries (not included).

Design and Features

Officially licensed Unimog 421 body with realistic details, including opening doors, interior, roof rack, spare tire, and winch. Functional LED headlights and taillights add visibility during low-light runs. Includes everything to run: battery, USB charger, and spare parts. The crawler arrives fully factory-assembled and tuned.

Special Notes: This is a Ready-to-Run model, fully assembled with the crawler, 2.4GHz transmitter, 7.4V 380mAh LiPo battery, USB charger, and instructions included. Transmitter requires 4×AA batteries (not included). Suitable for beginners and intermediate users seeking scale crawling performance in a small package.

Specs & Features

• 1/24 scale licensed Unimog 421 4WD crawler
• Brushed motor with portal axles
• Oil-filled shocks & multi-link suspension
• 7.4V 380mAh LiPo battery & USB charger included
• LED headlights/taillights
• Waterproof electronics
• Metal portal axles & steel C-channel frame
• 2.4GHz transmitter

Pros & Cons (Real User Feedback)