WLTOYS A979B Upgrade Parts, Metal Differential Box, Spur Gear and Bone Dog

WLTOYS A979B Upgrade Parts Name:

2X Vehicle speed assembly (Metal);

2X Planet tooth umbrellas;

4X Steel axles (Differential Cups);

4X Steel cup forks (Wheel Cups);

4X Steel dog bones;

1X Central Shaft;

1X Reduction Gear;

1X Motor Gear;

Bearing 6X 7*11*3; 1X 8*12*3.5;

Package list: 1set/Lot;

Compatible with the Car Model: A979B;

WLTOYS A979B 1/18 Scale 2.4G 4WD High speed Racing RC Monster Truck, We can provide all the Upgrades Parts, included the metal kis and Brushless Kits. Top speed about 70KM/H, Very suitable for recreational racing.

How to compare A979 and A979B?

==>1, Compare the Motor size:

A979B Motor is 540, Big size;

A979 Motor is 370, Small size;

==>2, Compare the Gear:

A979B Spur Gear is about 3CM, 42T, The mini Gear is 27T;

A979 Spur Gear is about 2.7CM, 39T, The mini Gear is 12T;

==>3, The speed:

A979-B Speed about 70KM/H;

A979 Speed about 30KM/H.