Skip to Content

PROTOS 70 vs 80 vs 90 vs M5: The evolution of spare parts across four generations

May 29, 2026 by
PROTOS 70 vs 80 vs 90 vs M5: The evolution of spare parts across four generations
joeyzhou

PROTOS 70 vs 80 vs 90 vs M5: Spare Parts Evolution

The Hauni PROTOS family has evolved through four major generations over 30+ years, from the original PROTOS 70 at 7,000 cpm to the M5 at 12,000-14,000 cpm. Understanding how spare parts compatibility has changed across these generations is essential for facilities with mixed fleets or upgrade plans.

Generations at a Glance

Model Speed Introduced Control System Installed Base
PROTOS 70 7,000 cpm ~1995 PLC ~1,500 units
PROTOS 80 7,500 cpm ~2005 Enhanced PLC ~800 units
PROTOS 90 8,000 cpm ~2012 Servo + PLC ~600+ units
PROTOS M5 12,000-14,000 ~2018 Multi-servo Growing fast

Parts Compatibility Matrix

  • Across all 4 generations: Cutting knives (22mm round), garniture tapes (same width), heater bands (standard sizes), thermocouples
  • 70 ↔ 80: High compatibility. Drum roller assemblies, garniture tongue, and suction belts are interchangeable. Control system upgrade requires new PLC modules.
  • 80 ↔ 90: Moderate compatibility. Drum roller diameter increased on 90. Suction belts same width but different reinforcement. Control systems incompatible.
  • 90 ↔ M5: Low compatibility. M5 has different drum geometry, liquid cooling, and advanced servo system. Only basic consumables (knives, tapes) are shared.

Upgrade Path Considerations

  1. 70 → 80: Most cost-effective upgrade. Many parts reusable. Budget for new PLC modules.
  2. 70/80 → 90: Significant upgrade. Expect 60-80% new parts required. Plan 8-12 week transition with overlap inventory.
  3. 90 → M5: Full machine replacement. Only standard consumables transfer. Operator retraining essential.

Strategic Inventory Planning

If you operate mixed PROTOS generations, maintain separate inventory for generation-specific parts (drum assemblies, control modules) while pooling common consumables (knives, tapes, belts). This reduces total inventory value by 15-25%.

Contact our technical team for PROTOS inventory optimization.

FAQ Privacy Terms Contact All Products