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‘210 Gear Diff Build

The optional gear differential TD210034 – for the DEX210 and other ‘210 based vehicles such as the Stadium Truck DEST210 and Short Course DESC210, provides extra tuning possibilities and a longer life between rebuilds.

The gear differential is tuned by varying the oil viscosity used. The oil slows the differential action down, which makes it tunable over a wide range of settings when compared to the ball differential – which needs to be in a very precise range to avoid damage.

The gear differential is, at first sight, quite complex – with lots of gears, shims, seals and other parts. Getting the build right however is relatively simple and straight forward, as long as you take your time and follow the guide below.

diffparts

The first job is to assemble the spider gears onto the cross shafts and place them into the diff gear itself.  The shafts are recessed in the centre to allow them to sit at the same level when assembled.   Place a gear over either end of the shaft and follow it up with one of the supplied shims. It’s a good idea to put a little diff oil onto the shafts when placing on the gears and shims to keep everything in place and allow easier install.

crossshaftassembly
shafts assembledshaft1

The main gear is sided – so the cross shafts will only insert from one side. Carefully drop the first shaft in taking care not to drop any shims or gears, and line up the shaft so the centre flat faces upward. Drop the second shaft into the diff gear with the flat spot facing down so it engages with the flat spot on the first shaft. Place the gear on your work bench for now whilst you build the sides.

assembledshaft2 Line up the cross shafts and drop them into position assembledshaft3 This is what it should look like!

diffsides The sides of the differential consist of moulded covers which house the outdrives and seals.

Grease the outdrive shaft and insert it into the plastic diff side.

Put a few drops of diff oil onto the shaft from the inside and slip the x-ring seal and thick silver washer over – and push these down until the seal is sat down properly.

diffside1 Grease the shaft well diffside2
diffside3 Put diff oil onto the shaft before adding the seal diffside4 Push the seal into position

An e-clip secures the shaft in place – use a flat bladed screw driver or pliers to click this into place. Put a few more drops of oil over the hexagonal shaft of the outdrive and slip the 14T gear over the end. It should just slide into place – don’t worry if it feels a little loose as this won’t matter once the diff is assembled. Both sides are identical.

eclip Add some more oil before placing the washer and e-clip over the seal addgear Push the 14t gear over the shaft

To fill the differential with oil you first need to attach one side of the assembly – fill with oil and then attach the other side. Gaskets are used to seal between the main gear body and moulded sides. Carefully line up the first gasket over the side the cross shafts and gears were inserted – make sure the tabs on the gasket line up with the indents on the main gear.

diffsidesassembled

gasket1 Line up one of the diff sides with outdrive and 14t gear attached – taking care that the gear doesn’t fall off, place it over the main gear. You may need to spin the outdrive back and forth to move the gears around and let everything settle in place.

Four small countersunk screws attach each side moulding to the main gear. The screws should be tightened in a cross pattern to make sure the side attaches squarely. Screw each one in with finger pressure only. You may find it helps to back each screw off a turn and re-tighten in a cross pattern. Don’t be tempted to crank down on these screws – you could warp the gear or moulded sides and actually cause the differential to leak / perform poorly.

It’s a good idea to mark up this side of the differential at this point. This will help identify which side gives you access to the gears. Knowing which side is which is helpful when it comes to maintenance, since opening up the other side means you’ll not have to worry about the gears moving or falling out, and you can just place it upside down to allow the oil to drain before re-filling with your chosen viscosity.

cross-pattern Tighten the screws gently filling-oil2 Fill the diff slowly

Before you can attach the other side you need to fill the differential with oil. Fill the oil until the cross shafts are covered. Don’t fill it to the top, as the 14T gear still needs to sit down in the differential. Attach the gasket and tighten the remaining side of the differential just like the first one.  You’ll probably find a small amount of leakage if the differential was over-filled. Remember not to crank on these screws and damage the mouldings.

filling-oi3 You can help the oil settle by gently turning the gears filling-oil Probably a little too much oil, but you can always adjust the level

Once the differential is together, check for any leaks that might have occured whilst tightening. If you’ve put a couple of drops of oil too much into the diff then it’s natural for this to escape whilst tightening – just clean it off with a rag. If the gears feel notchy, they should soon bed-in when the vehicle is driven.

The gear differential for the 210 buggies and trucks is a great tuning aid and lasts longer between rebuilds.

 

‘210 Gear Diff Build
Team Tech Tips – 16mm Big Bore Shock Set-Up
Travis Amezcua – Ride Height Basics – Tutorial
TD Germany Take Team Title
Team Driver Build Diary – DEX8T – Leo Lorenzen
Team Tech Tips – How To Create A Car Stand Using Kit Boxes
Team Tech Tips – All-New Video – Reduce Mid-Corner Understeer
Team Tech Tips – Droop Tuning Guide
Team Tech Tips – DEX210v2 – Type B Gearbox Camber Position Adjustments
Team Tech Tips – DEX210v2 Camber Adjustment Guide
Team Tech Tips – Build The Perfect Turnbuckle Linkages
Team Tech Tips – Lightweight Diff Conversion
Team Tech Tips – DEX210v2 Ride Height
Team Tech Tips – Diff Change – 210 Range
DEX410 Rear Cone Washer Mod – Team Tech Tip
Team Durango Big Bore Shock Build Guide
INSTALLING THE TEAM DURANGO DIMEC CHASSIS ON THE DEX210
Team Durango ‘Race Ready RTR’ Team Tech Tip videos online
DEX410v3 – RR Anti-Squat settings
DESC410R – Outer Hinge Pin Location
TD330303 – ‘408 Toe-in and kick-up inserts
DESC410R TD320141 Rear Bumper Install
DEX210 Motor Configuration Guide
Turnbuckle Build Guide
DEX210 Ball Differential Build Guide – Part 1
DEX210 – 25° CASTER MOD
DEX210 – INSERT SETUP GUIDE
410 Diff Seal mod
DESC410R 2mm Anti-Roll Bar set screw mod
1/10th scale BIG BORE spring charts
DNX408 Ackermann link mod
+2mm Rear Roll Centre – DNX408
DNX408 Receiver Fitment
DNX408 Shock Build Guide
DNX408 Brake Piston Alignment
DNX408 Drive Shaft Boot Install
DNX408 Gearbox Input ‘Snapring’ install procedure
DESC410R +1 Degree rear hubs
DESC410R Centre Diff Option
DESC410R – Slipper Setting
DESC410R/DEX410 Gearbox Pro-Build.
DNX408 Brake Shimming
DNX408 Throttle Linkages
DNX408 Setup from Reno Savoya
Anti-Roll Bar Installation
Shock build guide
25mm Lipo in DEX410
Setting up your Servo Saver
Starting Set-up for DEX410 (Outdoors)
How to Save / Send in your set-ups using the Team Durango Editable Set-up Sheet
Bullet-Proofing your CVD’s
Building the Perfect Diff
Rear inner hinge pin spacer (TD709005)
Your local Team Durango distributor
COUNTRY:
T: 217-398-3630
F: 217-398-1104
E: gpinfo@gpmd.com
W: www.gpmd.com
Great Planes Model Distributors
1608 Interstate Drive
Champaign,
IL 61822, USA
USA