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EMCÉ Winches

OHW series (e.g. OHW4.5, OHW20)

EMCÉ Winches OHW series (e.g. OHW4.5, OHW20) — Hydraulic single-drum towing / ship winch for offshore and marine applications; ultra-compact planetary design with gearbox and brake inside drum core; third-party certification available (Lloyd's, ABS, DNV).

Components & Design

Component data being added…

Technical Data

SWL t 4.5 t top layer (OHW4.5, 6.33 t first layer) to 20 t top layer (OHW20, 28.1 t first layer)
flow m3h 120 L/min (OHW4.5) / 165 L/min (OHW20)
weight kg 735 (OHW4.5) / 2600 (OHW20)
rope diameter mm 19 (OHW4.5) / 38 (OHW20)
drum capacity m 210 m top layer (both OHW4.5 and OHW20, 5 layers)
speed rpm 38 m/min top layer (OHW4.5) / 14 m/min top layer (OHW20)
pressure bar 230 (OHW4.5) / 295 (OHW20)

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Common failures & inspection points

Brake system inspection: check oil-bath disc brake and/or band brake for wear, oil level, and correct spring tension; verify fail-safe engagement under load

Brake system inspection: check oil-bath disc brake and/or band brake for wear, oil level, and correct spring tension; verify fail-safe engagement under load

Wire rope/cable inspection: examine for broken wires, kinks, corrosion, flattening, and correct fleet angle onto drum; check termination and drum anchor point

Wire rope/cable inspection: examine for broken wires, kinks, corrosion, flattening, and correct fleet angle onto drum; check termination and drum anchor point

Drum and flanges: inspect drum surface for grooves, cracks, and corrosion; verify proper level-winding and equal rope layering across drum width

Drum and flanges: inspect drum surface for grooves, cracks, and corrosion; verify proper level-winding and equal rope layering across drum width

Gearbox inspection: check for oil leaks, correct oil level and grade, unusual noise or vibration; inspect planetary or worm gear mesh and bearing condition

Gearbox inspection: check for oil leaks, correct oil level and grade, unusual noise or vibration; inspect planetary or worm gear mesh and bearing condition

Motor and drive unit: test electric/hydraulic/pneumatic motor for overheating, abnormal current draw, air/fluid leaks, and correct pressure or voltage at rated

Motor and drive unit: test electric/hydraulic/pneumatic motor for overheating, abnormal current draw, air/fluid leaks, and correct pressure or voltage at rated load

Structural and mounting integrity: inspect winch frame, foundation bolts, welds, and deck/base plate for cracks, corrosion, and proper torque; verify lifting lu

Structural and mounting integrity: inspect winch frame, foundation bolts, welds, and deck/base plate for cracks, corrosion, and proper torque; verify lifting lug condition if applicable

Control system and limit switches: function-test control valves, push-buttons, remote controls, overload protection, and any automatic load-sensing devices; ver

Control system and limit switches: function-test control valves, push-buttons, remote controls, overload protection, and any automatic load-sensing devices; verify emergency stop operation

Corrosion protection and coating: inspect paint/coating condition (ISO 12944 C4-High or marine-grade systems); treat any bare metal areas and check sacrificial

Corrosion protection and coating: inspect paint/coating condition (ISO 12944 C4-High or marine-grade systems); treat any bare metal areas and check sacrificial anodes on marine installations

Type-general inspection and maintenance points for this equipment category — not model-specific.

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Equipment Model #152428 · ✓ still in production

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