123269 Gearset | Eaton | Dana Spicer | RC461, 3.70 Ratio | New Take-Off Genuine

123269 | Eaton / Dana Spicer 3.70 Gearset | RC461 / RC521 / RC581 | New Take-Off Genuine

New Take-Off Genuine Eaton / Dana Spicer gearset 123269 (production number 122455) — 3.70 ratio spiral bevel ring & pinion set for RC461, RC521, RC581, and 23085C axles. Removed from a brand-new assembly during a ratio change and never run. Inspected and ready for immediate installation.

This is a genuine Dana Spicer part (now obsolete from the factory) offering excellent value on a high-quality, never-used gearset. Ring gear 52995, pinion 126120. 37/10 tooth count. In stock and ready to ship from Discount Parts Exchange (DPX) in Mansfield, Ohio.

Call to confirm availability: 419-522-3320

Key Specifications

• Part Number: 123269
• Production Number: 122455
• Manufacturer: Eaton / Dana Spicer
• Type: Spiral Bevel Ring & Pinion Gearset
• Gear Ratio: 3.70 (37 ring / 10 pinion teeth)
• Ring Gear: 52995 (18" diameter)
• Pinion: 126120
• Pinion Nut: 128049 (not included)
• Pinion Nut Thread Size: M42 x 1.5
• Pinion Nut Socket Size: 55 mm
• Pinion Nut Torque Spec: 840 – 1020 lb-ft
• Axle Compatibility: RC461, RC521, RC581, 23085C
• Condition: New Take-Off Genuine – Never run, removed from new assembly
• Warranty: Sold As-Is, No Warranty

Applications & Fitment

Direct fit for Dana Spicer / Eaton RC461, RC521, RC581, and 23085C axle models requiring a 3.70 ratio gearset. Ideal for ratio changes, repairs, or builds where a high-quality never-run gearset is preferred.

Important: Verify axle model and current ratio before ordering. Use a 55 mm socket on the M42 x 1.5 pinion nut (128049) and torque to 840–1020 lb-ft during installation.

What’s Included

• 1 × Ring Gear – 52995
• 1 × Pinion – 126120
• Pinion shaft nut (128049) and installation hardware not included

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Shipping / Location

• Ships from our Mansfield, Ohio warehouse (419-522-3320)
• Parcel or LTL options available (heavy item – approx. 87 lbs)
• Warehouse Bin Location: DPX_OH_BR549_DAN

Heavy-Duty Solutions — Built to Perform. Trusted to Last. Discount Parts Exchange (DPX).