A mooring winch is a mechanical device used to secure a vessel to a dock or buoy by handling ropes or cables. An anchor windlass is designed to raise and lower anchors using a horizontal or vertical axis. Mooring winches are essential for vessel stability during docking operations.

Mooring Winch Specifications:
- Size: Typically ranges from 10 kW to 500 kW power capacity.
- Grade: High-tensile steel (ASTM A514 or equivalent).
- Viscosity: Hydraulic oil ISO VG 32 to 68, depending on operating conditions.
- Buoyancy: Not applicable (installed on vessels or fixed structures).
- Material: Drum and frame made of carbon steel or stainless steel (SS316 for marine environments).
- Line Pull: 5 kN to 2,000 kN.
- Brake Holding Capacity: 80% to 200% of line pull.
- Speed: 5 m/min to 30 m/min.

Anchor Windlass Specifications:
- Size: Power ranges from 15 kW to 300 kW.
- Grade: High-strength forged steel (ABS/DNV certified).
- Viscosity: Hydraulic oil ISO VG 46 or 68.
- Buoyancy: Not applicable (deck-mounted).
- Material: Wildcat and gypsy made of alloy steel (heat-treated).
- Chain Size: Accommodates 12 mm to 150 mm diameter.
- Pulling Force: 20 kN to 1,500 kN.
- Speed: 0.1 m/s to 0.3 m/s for chain retrieval.

Mooring Winches (Additional Properties):
- Warping Head Capacity: 50% to 100% of line pull.
- Control System: Electric, hydraulic, or pneumatic.
- Safety Factor: Minimum 4:1 for wire ropes.
- Environmental Rating: IP56 or higher for corrosion resistance.