• Max. Drum Capacity: 400 meters of 0.322 diameter (8.2mm) EM cable.
• Max. Total Deck Lift: 1,800 lbs (381kg).
• Variable Speed Control: 0 to 70 meters/min cable speed.
• Hydraulic Motor: 26 cubic inch radial piston hydraulic motor, direct drive.
• Winch Control: Handheld pendant control pad on 25' cable for remote operation.
• Power Requirements: 29 GPM (110 LPM) @ 2240 PSI (154 Bar).
• Approximate Weight: 309 lbs (140kg) without cable.
• Winch Dimensions: 20.4" H x 47.75" W x 29.3" D.

The COM-4H is a compact, lightweight, single drum research winch designed for use with industry-standard CTDs, water sampling carousels, and payloads typically used on inshore and coastal research vessels. It features a variable speed hydraulic motor drive and level-wind system.

Markey's COM winches are built to deep-sea standards using materials and processes that ensure maximum life and minimal maintenance in marine and outdoor applications.

• Electric versions available in 3 HP, 5 HP, 7-1/2 HP, 10 HP, and 15 HP.
• Various source power configurations.
• Customizable performance ratings.
• Alternative winch control systems (pendant-type or joystick).
• Electro-mechanical or fiber-optic slip-rings.
• Removable-drum option.
• Manual band-brake and drum-disconnect clutch options.
• Configurable drum and level-wind for different cable sizes and capacities.
• Two-sheave level-wind option for remote display of line-tension, line-speed, and scope-out.
• Encoder-based option for remote display of line-speed and scope-out only.
• Provision of cable, wire-rope, factory-spooling, and cable-termination services.
• Steel or aluminum construction with brushed-aluminum or other marine-duty surface finishes.