Heavy-Duty Pinion Nut & Torque Chart – Eaton, Dana Spicer & Meritor | DPX

DPX Pinion Nut & Input Yoke Nut Torque Specs

Quick reference for Dana Spicer / Eaton heavy-duty axles. Always verify with a calibrated torque wrench.

Dana Spicer / Eaton Axle Models

Axle Models Nut Position Thread Size Nut Part # Washer Torque (lb-ft) Socket
DSP40, DDP40, DS404, DD404 Input M42 x 1.5 128049 None 840–1020 55 mm
DSP40, DDP40, DS404, DD404 Output M39 x 1.5 127588 None 680–832 55 mm
RSP40, RS404, RD404 Pinion (Rear Rear) M36 x 1.5 127589 None 575–703 55 mm
DS402, DC402, DP402, DT402 Input M42 x 1.5 128049 None 840–1020 55 mm
DS402, DC402, DP402, DT402 Output M36 x 1.5 127589 None 575–703 55 mm
RS402, RC402, RP402, RT402 Pinion (Rear Rear) M36 x 1.5 127589 None 575–703 55 mm
DS461, DC461, DD461, DP461, DT461 Input M48 x 1.5 126155 126242 840–1020 70 mm
DS461, DC461, DD461, DP461, DT461 Output M42 x 1.5 210508 210509 789–966 55 mm
RS461, RC461, RD461, RP461, RT461 Pinion (Rear Rear) M42 x 1.5 210508 210509 789–966 55 mm
D170/DP Input M48 x 1.5 131095K — 800–1000 69 mm
D170/DP Output M48 x 1.5 128049 — 800–1000 55 mm
R170/D Pinion (Rear Rear) M42 x 1.5 131095K — 800–1000 69 mm
D190/DP Input M48 x 1.5 131095K — 800–1000 69 mm
D190/DP Output M42 x 1.5 128049 — 800–1000 55 mm
R190/D Pinion (Rear Rear) M48 x 1.5 131095K — 800–1000 69 mm

Installation Tip

These pinion nuts and input yoke nuts are considered single-use. Do not reuse them. Always install a new nut and verify torque with a calibrated torque wrench. Double-check for proper seating and alignment before releasing the vehicle.

 

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