JD Models/RC4WD Mining truck rear axle Upgrade GearboxJD Models RC4WD 1: 14 797F Mining truck rear axle replacement gearbox Unlike the stock gearbox this custom made gearbox is custom made in house. We use 40CR tempered steel in order to give the gears the extra strength needed to withstand the torque from the motors. The gearbox directly bolts onto the stock mounting brackets. The inside of the gearbox is modified in order to allow for thicker gears. The gearbox comes pre greased and pre assembled. When

Dimensions：710mm*250mm*270mm

Included in the Plans:

1x 1:14 BM120AD Roller

2LPM hydraulic pump head coupled to a high torque and extra silent 5055 motor

The hammer comes with a voltage booster that can be easily fitted inside the excavator body

Maximum climbing angle: 45°

Required battery specifications: 3S lipo (XT60 connector) 100*35*35mm or smaller in size

The DIM-P210 is a great balance between performance and detail

Powder Coated Body

FREE DHL SHIPPING (US and Europe)

Excavator battery capacity: 7

Motor electrical connection: XT60 Plug 12v (3s)