ARRMA Main Input Gear 13T Straight Cut Safe-D ARA311055

The ARRMA ARA311055 Main Input Gear is a 13T straight cut Safe-D steel drivetrain gear designed for compatible ARRMA differential assemblies needing secure keyed fitment and reliable power transfer.

Features

• 13T Main Input Gear: Designed as a replacement drivetrain gear for compatible ARRMA differential assemblies
• Straight-Cut Tooth Profile: Straight-cut gear teeth support smooth operation in demanding RC conditions
• Hard-Wearing Steel Construction: Strong steel material provides long-lasting durability and consistent drivetrain performance
• Precision Manufactured Teeth: 13 accurately formed gear teeth help deliver smooth and reliable power transfer
• Safe-D Keyed Fit: Uses ARRMA Safe-D keyed fitment to the input shaft cup and composite sleeve for a more secure drivetrain connection
• Useful Spare Part: Ideal for carrying in your RC toolbox for drivetrain maintenance, repairs, or differential rebuilds

Specifications

• Brand: ARRMA
• Part Number: ARA311055
• Product Type: Main input gear
• Tooth Count: 13T
• Gear Cut: Straight cut
• Fitment Type: Safe-D keyed fit
• Material: Steel
• Required Main Diff Gear: AR310441, ARA310976, or ARA310977
• Application: Compatible ARRMA drivetrain and differential assemblies using ARA311055
• Intended Use: Replacement main input gear for differential servicing and drivetrain repair

Includes

• 1 x ARRMA main input gear 13T straight cut Safe-D

FAQ

What main diff gears does the ARRMA ARA311055 input gear work with? The ARRMA ARA311055 main input gear is designed to be used with main diff gears AR310441, ARA310976, or ARA310977.

What tooth count is this input gear? The ARRMA ARA311055 main input gear has 13 precision manufactured gear teeth.

Is the ARRMA ARA311055 gear spiral cut? No. The ARRMA ARA311055 is a straight cut main input gear.

What does Safe-D mean on this gear? Safe-D refers to ARRMA’s keyed fit design for the input shaft cup and composite sleeve, helping provide a more secure drivetrain connection.

Will this fit every ARRMA differential? No. OZRC recommends checking your ARRMA vehicle manual or exploded diagram to confirm ARA311055 is the correct input gear before installation.

Important Notes

• Must be used with ARRMA main diff gear AR310441, ARA310976, or ARA310977.
• Check your ARRMA vehicle manual or exploded diagram before fitting to confirm drivetrain compatibility.
• This listing is for one main input gear only. Main diff gear, input shaft cup, composite sleeve, bearings, shims, diff case, screws, and other drivetrain parts are not included.
• Correct gear pairing, bearing condition, shimming, and diff assembly are important for reliable drivetrain performance.