The HHI Forging plants produce many forged part geometries common to drivetrain applications. HHI employs a variety of hot, warm and cold forging processes:

• Hatebur hot forging
• Vertical press hot forging
• cross wedge roll preform
• Hot double hydraulic upsetting
• Warm forging of pinions
• Cold forging of shafts
• Hammer forging

Chassis Components for axle applications:

• Hypoid drive pinions
• Hypoid ring gears
• Tube yokes
• Weld and shaft yokes
• Axle shafts
• Extension shafts
• Stub shafts
• Stem shafts