XRA350013 XB8 2018 Nitro Buggy Manual
9
DIFFERENTIAL OIL
➎
971061
O 6x1.55
964060
S 6x18x0.2
940816
BB 8x16x5
➊
➋
➍
➎
➏
➌
Graphite Grease
(HUDY #106210)
Graphite Grease
(HUDY #106210)
Use HUDY Ball-Bearing Grease
#106220 - STANDARD
#106221 - BLUE
#106222 - RED
32.3~32.5 mm
After  assembly  the  differential 
should have a length of 32.3~32.5 
mm  measured  from  the  ends  of 
the  installed  ball-bearings.  If 
differential is longer, retighten the 
4 screws holding the spur gear.
1. CENTER DIFFERENTIAL
964030
S 3.5x12x0.2
903312
SFH M3x12
Tighten the screws equally Finish tightening in this order
➊
➋
➌
➍
STEP DETAIL
Use the following silicone oil included in the kit for initial setting:
Center diff: 7 000cSt
DETAIL
BOOK
SET-UP
OIL
Fill the differentials 
with oil just above the 
satellite gears.
IMPORTANT!
VERY IMPORTANT!
OIL
INCORRECT
CORRECT
Do not overfill the differential. 
If there is too much oil in the 
differential, it may leak after 
it cools down after use.
Center diff:
Silicone oil 7 000cSt
Fill to just above the satellite gears.
980261
P 2.5x11.5
#107865 HUDY Ultimate Digital Pocket Scale 300g±0.01g
1. Put the diff (without oil) on the scale and 
check the weight (approximately 42.97g).
2. Slowly pour oil into the diff and watch the 
weight. Add 5.33g of oil into the  diff.  The 
approximate weight of the diff+oil is 48.30g.
To ensure you have the same amount of oil from rebuild to rebuild, do the following:
OIL
42.97g +  5.33g  = 48.30g
CENTER DIFF
Center diff 7 000cSt
g
48.30
g
42.97










