71C (10-17) & 72C (10-18) Inline Velvet Drive Transmission Reduction Gears (Early Production)

• 1.523:1 Reduction Units 
• 1.91:1 Reduction Units
• 2.57:1 & 2.91:1 Reduction Units
• 2.10:1 Reduction Units
  *early production-units with a seal holder