Lightweight pinion: warm forged

Lightweight pinion warm forged

Lightweight pinion

Pinions with large heads are used as input shafts of rear-axle differential transmissions, e. g. in pick-up trucks and other applications with high torques. In these applications, a suitable lightweighting solution is to produce a pinion whose head is hollow forged in a single pass on a warm forging press. This leads to a lighter part and a more cost-efficient process.


Application Area

  • Powertrain
  • Differential gear


Case-hardening steel

Production Process

Warm forged


  • Lightweight design
  • Hollow forged in a single machine pass