DESCRIPTION
DESCRIPTION
Restore peak performance to your marine winches with the genuine Lewmar 66/3&77St Rat Gear (Dtd). This critical replacement component ensures smooth, reliable operation, enhancing the efficiency and safety of your sailing experience. Maintain the integrity of your Lewmar winch system with this durable, precision-engineered part.
FEATURES
FEATURES
- Features a 66:1 and 77:1 dual-stage gear ratio for precise load management.
- Constructed from marine-grade bronze and stainless steel for exceptional durability in harsh environments.
- Designed as a replacement or upgrade component for Lewmar Self-Tailing winch systems.
- Optimized for efficient power transfer and reliable performance under high working loads.
TECHNICAL INFORMATION
TECHNICAL INFORMATION
| Description | Imperial | Metric |
|---|---|---|
| Weight | 7.2 oz | 204.1 g |
| Bearings | 10+1 | 10+1 |
KNOWLEDGE BASE
KNOWLEDGE BASE
Lewmar Winch Service Manual — Volume IIIExploded views and full parts lists for the older Lewmar single, two and three speed, self-tailing and halliard reel.View Manual →
Lewmar Winch Service Manual — Volume 6Lewmar Service Manual Volume 6 (1991): service routine, mounting and lubricants, plus the exploded-view parts lists.View Manual →






