ARRMA 1/5 Centre Differential Gear Set 36T/12T 20CrMnTi MAKX1236TS by GPM  [MAKX1236TS]

ARRMA KRATON 8S 20crmnti Steel Center Differential Gear set 36T/12T (M1.5) - GPM MAKX1236TS
Price:
NZD$57.34
Brand:
GPM
Model:
MAKX1236TS
GTIN:
4894538416671
Condition:
Brand New
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Reinforced Centre Diff Gears for ARRMA 1/5 Models

This RC-scale centre differential gear set uses 20CrMnTi steel and comprises a 36T centre gear and a 12T idler gear, both 1.5 module. It is supplied as a direct replacement for factory items ARA310919 and ARA310921 and targets ARRMA 1/5 Kraton and Outcast variants listed further below. The components prioritise strength and improved wear resistance for driveline reliability.

Install this set when rebuilding the centre differential after wear or damage to re-establish correct gear engagement and drivetrain behaviour. Use the existing diff housing and check alignment, backing plates, and bearings during installation to ensure dependable operation.

Packing includes

  • Center Diff Gear 36T Mod 1.5 - 1pcs
  • Idler Gear 12T Mod 1.5 - 1pcs

Original Name / Part No:

ARA310919,ARA310921

Models Compatible

  • ARRMA 1/5 Kraton 4X4 8S BLX Brushless Speed Monster Truck RTR-ARA110002
  • ARRMA 1/5 Outcast 4WD 8S BLX Stunt Truck RTR-ARA5810
  • ARRMA 1/5 Kraton 8S EXB 4X4 Roller Brushless Speed Truck-ARA5208
  • ARRMA 1/5 Kraton 4X4 8S BLX EXB Brushless Monster Truck RTR-ARA5808V2
  • ARRMA 1/5 Outcast 8S EXB 4X4 Roller Brushless Stunt Truck-ARA5210
  • ARRMA 1/5 Outcast 4X4 8S BLX EXB Brushless Stunt Truck RTR-ARA5810V2

As a material-upgraded swap for the ARRMA 1/5 centre differential, this gear set is intended to restore drivetrain durability while fitting the original assembly layout for the models shown.

Is this an exact replacement for ARA310919 / ARA310921?

Yes, the kit is intended as a direct swap for the factory part numbers listed and matches the original gear dimensions for the compatible ARRMA centre differential assemblies.

Why choose 20CrMnTi steel for these gears?

20CrMnTi offers a favourable balance of toughness and surface hardness, improving resistance to pitting and wear in high-load RC drivetrain applications compared with softer stock alloys.

Will I need to change gear spacing or shims?

The gears are dimensionally equivalent to the originals, but you should inspect and, if necessary, replace shims and bearings to achieve correct mesh and avoid premature wear.

Are there model-specific installation tips?

Refer to the vehicle service manual for the Kraton and Outcast series listed above; confirm bearing condition and torque settings when reassembling the centre diff to ensure consistent performance.

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