A40172-1-463 Gearset – SSHD Ratio 4.63 (37-8) | Meritor Rockwell AxleTech | New Italian

A40172-1F Gear Set | 4.63 Ratio | SSHD-F Forward Rear | Global Drivetrain | New Aftermarket

A40172-1F is a new aftermarket ring & pinion gear set from Global Drivetrain (Italy) for SSHD-F forward rear axles. This 37/8 tooth set delivers a 4.63 ratio—precision-machined and quality-checked for heavy-duty rebuilds and ratio changes.

Specs & Features

• Part Number: A40172-1F (Alt: A40172)
• Brand: Global Drivetrain
• Country of Manufacture: Italy
• Condition: New Aftermarket
• Ratio: 4.63 (37 ring / 8 pinion teeth)
• Ring Gear: 40172
• Pinion: 41467
• Spline Size: 2.620" — 26 spline

Compatible Axle Models

• SSHD-F forward rear (4.63)

What’s Included

• 1 × Ring Gear — 40172
• 1 × Pinion — 41467
• Note: Hardware and pinion nut not included

Fitment Notes

• Designed for SSHD-F forward rear axle configurations.
• Verify spline size (2.620"–26) and ratio/tooth count match your axle BOM before installation.

Image Disclaimer

Photos may show the actual product or a comparable equivalent. Minor finish differences may occur due to supplier packaging.

Warranty Policy

Sold as a new aftermarket part; no warranty expressed or implied. Installation by a qualified technician is recommended.

Location

Mansfield, Ohio — 419-522-3320

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