Mini-Z 4X4 MX-01 Jeep Wrangler Rubicon Firecracker Red (KT531P)
Key Specs
About this product
The combination of the highly-detailed body and a completely new 4×4 chassis design opens up new levels of performance, well beyond anything RC enthusiasts have ever seen from a mini crawler.
■Length 197.3mm
■Width 87.3mm
■Height 89.1mm
■Chassis Type MX-01
■Wheel Base 120mm
■Tread F/R:72.7mm
■Weight 234g (excl. battery)
■Motor/Engine 130 Class
■Gear Ratio 55.44：1/46.20：1/39.60：1
34.65：1/30.80：1/27.72：1
■Front Tire Diameter Φ42.0mm
■Rear Tire Diameter Φ42.0mm
■Front Tire Width 14.3mm
■Rear Tire Width 14.3mm
■Battery 4 x AAA Alkaline
■Transmitter Syncro KT-531P
■Speed：Approx. 2.7km/h〜5.4km/h (Pinion gears 10T〜 20T)
■Running Time Approx. 60 mins
●Complete chassis with built-in electronics.
●Factory-painted body complete with many fine details
●KT-531P 2.4GHz transmitter
●Pinion gear set（10T、12T、14T、16T、18T、20T）
●3 types of pinion gear spacers
Required to run:
●4 x AAA batteries for the transmitter
●4 x AAA batteries for chassis （Alkaline or NiMH）
Frequently Asked Questions
Yes, the Mini-Z 4X4 MX-01 is Ready to Run (RTR) and comes fully assembled, making it accessible for beginners aged 4 and up. The 2.4GHz radio is straightforward to use, though younger children (under 8) may benefit from adult supervision during initial setup and operation.
The vehicle uses 4 x AAA alkaline or NiMH batteries (included in the box), whilst the transmitter requires a separate set of 4 x AAA alkaline batteries. Runtime is approximately 60 minutes per charge cycle.
The box includes the fully assembled and factory-painted Jeep Wrangler body, complete MX-01 chassis with built-in electronics, KT-531P 2.4GHz transmitter, a full set of pinion gears (10T–20T), three types of pinion gear spacers, and 4 x AAA alkaline batteries for the vehicle. You'll need to provide a separate set of 4 x AAA batteries for the transmitter.
At 1/28th scale, the model measures 197.3mm in length, 87.3mm in width, and 89.1mm in height, weighing 234g without batteries—small enough for indoor use or tight outdoor spaces. Top speed ranges from 2.7km/h to 5.4km/h depending on which pinion gear you fit, making it ideal for slow, technical crawling rather than high-speed driving.
Yes, the MX-01 features a set of interchangeable pinion gears (10T–20T) that let you fine-tune speed and torque to suit different terrain. The completely new 4x4 chassis design delivers advanced crawling performance with adjustable gear ratios, setting it apart from previous mini crawler models.
