850+
deck machinery projects
15+
years experienced team
OEM
trained specialists
24/7
global emergency support

🏗️ deck machinery systems

Winches · Cranes · Hatch Covers · Mooring

  • ✓ Mooring Winches (MacGregor, Hatlapa, Pusnes)
  • ✓ Anchor Handling Winches (Brattvaag, Rolls-Royce, Rapp)
  • ✓ Towing Winches (Karmøy, Hydramarine, Markey)
  • ✓ Deck Cranes (MacGregor, TTS, Hägglunds, Palfinger)
  • ✓ Offshore Cranes (National Oilwell, Seatrax, Liebherr)
  • ✓ Hatch Cover Systems (MacGregor, TTS, Kvaerner)
  • ✓ Side Rolling & Folding Covers
  • ✓ Ramp & Watertight Door Systems
  • ✓ Capstans & Windlasses (Mooring/Anchor)
  • ✓ Accommodation Ladders & Gangways
  • ✓ Lifeboat Launching Systems
  • ✓ Storage/Reel Winches (various makes)

⚙️ hydraulic control & power units

HPU · Valves · Cylinders · Pumps · Motors

Hydraulic Power Units & Components

  • ✓ Hydraulic Power Units (HPU) – Bosch Rexroth, Parker, Vickers, Danfoss
  • ✓ Hydraulic Pumps (piston, vane, gear) – Rexroth A4V, A10V, Parker P1, Denison
  • ✓ Hydraulic Motors – Hägglunds, Kawasaki, Eaton, Char-Lynn
  • ✓ Control Valves (directional, proportional, cartridge) – Bosch, Parker, Sun, Hydraforce
  • ✓ Cylinders & Actuators – overhaul, reseal, testing
  • ✓ Accumulators (bladder, piston) – replacement & nitrogen charging
  • ✓ Oil Filtration & Cooling Systems
  • ✓ Hydraulic Manifolds & Block Systems

Hydraulic Control & Steering

  • ✓ Steering Gear Hydraulic Systems (Rolls-Royce, Tenfjord, Frydenbø, Jastram)
  • ✓ CPP Hydraulic Systems (Berg, Wärtsilä, Schottel, Brunvoll)
  • ✓ Remote Control Systems (RCS) for winches/cranes
  • ✓ Hydraulic Piping & Hose Replacement (CEJN, Parker, Gates)
  • ✓ Electro-hydraulic Proportional Control
  • ✓ Load Sensing & Pressure Compensated Systems
  • ✓ Hydraulic System Troubleshooting & Diagnostics
  • ✓ Oil Flushing & Commissioning

🔧 overhaul & repair services

On-site & Workshop Overhaul · Testing

Complete Overhaul Capabilities

  • ✓ Winch Gearbox Overhaul – MacGregor, Brattvaag, Hägglunds
  • ✓ Hydraulic Motor & Pump Overhaul – Hägglunds CAb, MB series; Kawasaki SX; Rexroth
  • ✓ Brake Systems Overhaul (disc, band, fail-safe)
  • ✓ Valve Stack Overhaul & Re-kit
  • ✓ Cylinder Re-sealing & Testing (up to 500 bar)
  • ✓ Accumulator Reconditioning
  • ✓ Hydraulic Swivel Overhaul (cranes, winches)

Vessel-Specific Experience

  • ✓ Tankers: VLCC, Suezmax, Aframax – MacGregor hatch covers, mooring winches
  • ✓ Bulk Carriers: Capesize, Panamax – TTS hatch covers, windlasses
  • ✓ Offshore Vessels: PSV, AHTS, MPSV – Brattvaag winches, Hägglunds cranes
  • ✓ Drilling Rigs: Jack-up, Semi-sub – National Oilwell cranes, BOP handling
  • ✓ Container Vessels: lashing bridge hydraulics
  • ✓ FPSO/FSO: offloading winches, hose handling cranes

⚓ steering & propulsion hydraulics

Steering Gear · CPP · Thruster Hydraulics

Steering Gear Systems

  • ✓ Rotary Vane Steering Gear – Rolls-Royce Tenfjord, Frydenbø
  • ✓ Ram-type Steering Gear – Jastram, Kawasaki, Wärtsilä
  • ✓ Hydraulic Pumping Units – overhaul & calibration
  • ✓ Steering Gear Control Systems (hydraulic/electric)
  • ✓ Rudder Carrier Bearing & Seal Replacement
  • ✓ Emergency Steering Drives

CPP & Thruster Hydraulics

  • ✓ CPP Hub & Blade Seals – Berg, Wärtsilä, Schottel, Brunvoll
  • ✓ Hydraulic Power Pack for CPP
  • ✓ Pitch Control Valves & Actuators
  • ✓ Tunnel Thruster Hydraulics – overhaul
  • ✓ Retractable Thruster Hydraulic Systems
  • ✓ Hydraulic Clutch Systems (Wichita, Twin Disc)

👥 our experienced team

15+ Years Specialized in Hydraulics

Seanav Marine’s hydraulic team consists of senior engineers with 15+ years of hands-on experience in deck machinery and hydraulic control systems. We have completed over 850 projects worldwide, including:

MacGregor certified experience
Hatlapa & Brattvaag specialists
Hägglunds drive system experts
Bosch Rexroth & Parker trained
Kawasaki hydraulic motor specialists
FPSO offloading winch experts

🛠️ comprehensive hydraulic services

From Diagnostics to Retrofit

  • ✓ Hydraulic System Design & Engineering
  • ✓ Failure Analysis & Root Cause Investigation
  • ✓ Thermal Imaging & Oil Analysis
  • ✓ Pressure & Flow Testing (on-site)
  • ✓ Component Re-manufacturing
  • ✓ Hydraulic System Retrofit & Upgrade
  • ✓ Load Testing (winches, cranes after overhaul)
  • ✓ Emergency Breakdown Response (24/7)
  • ✓ Spare Parts Supply (OEM & alternative)
  • ✓ Documentation & Class Survey Support
  • ✓ Hydraulic Oil Flushing & Filtration
  • ✓ Commissioning & Sea Trial Support

🚢 vessels & equipment makes

Specific Models We Overhaul

Winch & Crane Models

  • ✓ MacGregor: SW, MW, EW series winches; cranes KN, GL, H type
  • ✓ Brattvaag: series 2000, 3000 towing/anchor winches
  • ✓ Hägglunds: CAb motors in winches; deck cranes
  • ✓ Hatlapa: mooring, towing winches; windlasses
  • ✓ Rolls-Royce: BRATTAVAAG, Pusnes, Rauma
  • ✓ TTS: hatch covers, cranes, winches
  • ✓ National Oilwell: pedestal cranes, anchor winches
  • ✓ Palfinger Marine: knuckle boom cranes

Hydraulic Component Models

  • ✓ Hägglunds: CAb 10, 20, 40, 80; MB 40, 80, 160; Compact motors
  • ✓ Kawasaki: SX series motors, K3V pumps
  • ✓ Bosch Rexroth: A4VSO, A10VSO pumps; MCR motors
  • ✓ Parker: F12, F11 motors; P1, P2 pumps; D1VW valves
  • ✓ Danfoss: OMP, OMS, OMT motors
  • ✓ Eaton: Char-Lynn motors, Vickers pumps
  • ✓ Sun, Hydraforce, Sauer-Danfoss cartridge valves

🌍 global service locations

Where Our Team Operates

Regional Hubs

  • ✓ UAE (Dubai, Abu Dhabi)
  • ✓ India (Mumbai, Kochi, Chennai)
  • ✓ Singapore
  • ✓ Netherlands (Rotterdam)
  • ✓ Norway (Stavanger, Bergen)
  • ✓ USA (Houston, Gulf Coast)
  • ✓ Brazil (Rio de Janeiro)
  • ✓ China (Shanghai, Hong Kong)

Mobile Team Support

  • ✓ Available for vessels in operation worldwide
  • ✓ Fly-out engineers within 48 hours
  • ✓ Shipyard support (drydock, afloat)
  • ✓ Remote diagnostics via video/AR
  • ✓ Offshore platform & rig support

⚙️ talk to our experienced hydraulic team

Need deck machinery or hydraulic
control overhaul?

Our senior hydraulic engineers (15+ years average experience) are ready to solve your deck machinery challenges. We provide complete overhaul, repair, and troubleshooting services for all makes and models. Available 24/7 globally.

Email: service@seanav.org | Web: www.seanav.org | 24/7 Emergency +971 50 123 4567