Engine Room Crane
OUCO specializes in the design and manufacture of custom Engine Room Cranes, providing essential lifting solutions for the confined spaces of vessels, offshore facilities, and shipyards. These specialized cranes are specifically engineered for indoor maintenance and equipment handling, with standard lifting capacities ranging from 0.5t to 10t and spans from 2.5m to 30m.
By working closely with shipyards and shipowners to meet their specific requirements, we ensure every unit is optimized for its unique marine environment and operational constraints, offering advantages such as low headroom, lightweight design, precision control, superior corrosion resistance, and maintenance-free performance.
Why Choose OUCO Engine Room Cranes?
Leveraging decades of expertise in offshore equipment, OUCO engineers products specifically for the toughest maritime environments to ensure long-term operational reliability.
Our manufacturing facilities are fully compliant with GB/T 19001-2016 and ISO 9001:2015 quality systems, as well as the latest SOLAS (II-1/3-13) regulations. We have a proven track record of delivering certified products approved by major classification societies, including CCS, LR, DNV, KR, RINA, ABS, and NK.
Furthermore, by utilizing our local supply chain and cost-efficiency, we offer premium lifting solutions at highly competitive prices. With a comprehensive inventory of configurations ready for rapid deployment, you can obtain a customized quote by simply providing a few key parameters!
Tailored Lifting Solutions for Engine Room
We recognize that every vessel’s engine room is unique. Drawing on the extensive experience of our expert design team, we provide fully customized lifting solutions tailored to your specific vessel dimensions and operational requirements.
Our solution goes beyond the crane itself. We provide comprehensive layout planning that accounts for overhead obstructions, logistical constraints, and installation pathways within your engine room. Our goal is to maximize crane utility while ensuring a seamless, low-interference installation process.
To guarantee total peace of mind, we also offer on-site inspection and installation guidance. This end-to-end service saves you time and costs, ensuring a hassle-free experience and delivering long-term value for your maritime operations.
Marine-Grade Excellence: The OUCO Standard of Reliability
Our standard configurations utilize premium components engineered to far exceed industrial land-based standards, ensuring peak performance in demanding marine environments.
Standard Configuration Includes:
- High-tensile galvanized wire rope, large-diameter drums, and nodular cast iron rope guides
- Marine-duty high-duty-cycle motors (IP56), low-noise hard-tooth gear reducers, and reliable disc brakes
- High-strength lifting hooks and stainless steel hydraulic piping
- Programmable hoisting & trolley travel limit switches, overload protection, and emergency stop systems.
Advanced Upgrades and Custom Options
We offer a range of specialized upgrades to meet specific operational requirements and vessel constraints:
- Custom attachments such as Grab Buckets or Electromagnetic Chucks
- AISI 316L stainless steel fasteners (pins/bolts) for superior corrosion resistance
- Explosion-proof (ATEX) kits, anti-collision systems, electric load limiters, and overheat protection.
- Radio remote control, adjustable gear limit switches, and power supply cable chains.
- Manually driven hoist functions for power loss scenarios, along with integrated lamps and horns for site safety.
- Full of Class Certification (CCS, DNV, ABS, LR, etc.)
Main Models
Our top-selling model, engineered for heavy-duty lifting and superior stability in demanding industrial environments. Engineered for heavy-duty lifting and superior stability in demanding industrial environments.
- Capacity Range: 1000kg to 10000kg
- Flexible Span: spans ranging from 2.5m to 10m
- Extensive Lift: Vertical reach of 6m to 30m
Simple structure, lightweight and cost-effective choice
- Capacity Range: 0.5t to 10.0t
- Lifting Precision: Dual-speed motor (~8/0.8m/min)
- Space Efficiency: Compact single-girder design, perfect for low-headroom ship engine rooms.
- for both fast positioning and delicate seating.
- Curved Navigation: Supporting a Bend Radius from 1.0m to 3.0m
- Lifting Height: Vertical reach up to 30m
The Electric Monorail Crane is a high-efficiency, space-saving solution ideal for streamlined, repetitive lifting along a fixed overhead path in maritime or industrial environments.
- Outreach Distance: up to 6.0m
- Capacity Range: 1t to 10t
- Hoisting speeds: up to 10m/min
- Hoisting Height: 5-30m
- Traveling speeds: 8−12m/min
- On-site Installation
- Double Beam Selection Specifications
- Single Rail Selection Specifications
- Company Certification
Electric Double Girder Engine Room Crane
| Parameter / Rated Capacity | 1000kg | 2000kg | 3000kg | 4000kg | 5000kg | 8000kg | 10000kg |
| Span | 2.5 ~ 10m | ||||||
| Wheelbase (S+X) | S+300mm | S+300mm | S+360mm | S+400mm | S+500mm | S+600mm | S+600mm |
| Height Range (H1) | 401-1185mm | 412-1212mm | 457-1281mm | 488-1315mm | 488-1315mm | 967-2415mm | 967-2415mm |
| Dimension | 350mm | 350mm | 400mm | 400mm | 450mm | 450mm | 500mm |
| 6-30m | 6-30m | 6-30m | 6-30m | 6-30m | 6-30m | 6-30m | |
| 850mm | 1050mm | 1220mm | 1300mm | 1370mm | 1560mm | 1680mm | |
| 430mm | 470mm | 540mm | 640mm | 760mm | 850mm | 960mm | |
| Lifting Height | 5 ~ 150m | ||||||
| Dimension | 1420mm | 1550mm | 1750mm | 1850mm | 1850mm | 2050mm | 2050mm |
| 1050mm | 1150mm | 1350mm | 1450mm | 1450mm | 1650mm | 1650mm | |
| 700mm | 750mm | 850mm | 900mm | 900mm | 1000mm | 1000mm | |
| 300mm | 310mm | 380mm | 430mm | 430mm | 530mm | 530mm | |
| 450mm | 460mm | 500mm | 550mm | 550mm | 650mm | 650mm | |
| 720mm | 800mm | 900mm | 950mm | 950mm | 1050mm | 1050mm | |
| 700mm | 750mm | 850mm | 900mm | 900mm | 1000mm | 1000mm | |
Notes:
- Flexible Deployment: The span (2.5m to 10m) and lifting height (5m to 150m) are standard ranges; however, OUCO can provide bespoke engineering for requirements outside these parameters.
- Engine Room Optimization: As capacity increases, the hoist clearance and external dimensions scale accordingly (e.g., clearance height increases from ~401mm at 1t to ~967mm at 10t). Ensure these measurements align with your vessel’s overhead constraints.
- Bespoke Design: All “Dimension A-K” values are subject to optimization based on specific shipyard or shipowner requirements.
Electric Single Girder Engine Room Crane
| Capacity (t) | 0.5t | 1.0t | 2.0t | 3.0t | 5.0t | 10.0t |
| Lifting Height (m) | 6–18 | 6–30 | 6–30 | 6–30 | 6–30 | 6–30 |
| Lifting Speed (m/min) | ~8/0.8 | ~8/0.8 | ~8/0.8 | ~8/0.8 | ~8/0.8 | ~7/0.7 |
| Running Speed (m/min) | ~6 | ~6 | ~6 | ~6 | ~6 | ~6 |
| Motor Power (kW) | 0.8/0.2 | 1.5/0.4 | 3.0/0.4 | 4.5/0.8 | 7.5/0.8 | 13/1.5 |
| Bend Radius Rmin (m) | 1.0 (116) | 1.2 (120b) | 1.5 (122b) | 2.5 (125b) | 2.5 (132b) | 3.0 (156b) |
| H1 (mm) | 820/910 | 970/1070 | 1260/1360 | 1320/1420 | 1660/1720 | 2200 |
| H2 (mm) | 180 | 200 | 220 | 280 | 360 | 560 |
| H3 (mm) | 6–18m | 6–30m | 6–30m | 6–30m | 6–30m | 6–30m |
| L1 (mm) | 690–920 | 775–1555 | 820–1620 | 970–1790 | 1090–1910 | 1420–2870 |
| Lup (mm) | 410–570 | 485–910 | 500–925 | 600–1030 | 645–1090 | 765–1290 |
| Ldown (mm) | 350 | 385 | 400 | 490 | 540 | 630 |
| Dim. A (mm) | 94 | 102 | 112 | 118 | 132 | 178 |
| Dim. B (mm) | 400 | 400 | 450 | 450 | 500 | 500 |
| Dim. C (mm) | 450 | 450 | 500 | 500 | 550 | 600 |
Notes:
- Customization: For capacities exceeding 10 tons or unique structural requirements, OUCO provides bespoke engineering tailored to user specifications.
- Working Duty: Compatible with AC380V/50HZ, AC440V/60HZ, and AC400V/50HZ power supplies.
- Running Length: The total running length (L) is decided by the user based on the vessel’s engine room layout.
Related Product
If the main engine is the “heart” of your ship, the Engine Room Crane is the essential tool you need to keep it beating. We also called an Engine Room Overhead Bridge Crane, it is a specialized, rail-mounted lifting system installed directly onto the ceiling of the engine room.
Functioning as an overhead “industrial arm,” it comprises a main girder, transverse end carriages, a traveling trolley, and an electric hoist lifting mechanism. This precision system enables the safe handling and positioning of heavy core components, such as engine pistons and cylinder heads, through flexible longitudinal and transverse movement within the extremely confined and complex engine room environment.
These units are specifically optimized for the harsh maritime environment, featuring high-grade anti-corrosion treatments to withstand salt spray while delivering exceptional lifting performance.
We primarily design these cranes for the marine and offshore industries. While they are highly versatile, we typically see them deployed in three key areas:
Vessel Equipment Maintenance (Most Common): Crews rely on these cranes daily inside the engine rooms of OSV vessels and other ships to lift main and auxiliary engine parts. They are perfect for servicing generators and compressors, handling heavy maintenance tools, and even working alongside hose cranes to maneuver transfer hoses on chemical and oil tankers.
Shipbuilding & Repair: Shipyards depend on these systems for new builds. They provide the exact precision needed to safely lift and install massive components inside the engine room during construction. They also drastically speed up the handling of spare parts and materials during major ship overhauls.
Offshore Engineering: Beyond traditional vessels, these cranes are essential for offshore structures. You will frequently find them actively operating on offshore oil drilling platforms, pumping stations, semi-submersible rigs, and offshore wind farm booster stations.
At its core, an engine room crane is essentially a highly customized bridge crane. While its basic structure mirrors standard industrial cranes, we specifically reinforce it for the marine environment with enhanced anti-corrosion treatments, ultra-compact geometry, and critical safety redundancies.
At OUCO, we manufacture two primary categories of these cranes, both of which are mature, flagship products in our lineup: Single Girder and Double Girder.
Here is a direct comparison to help you understand the differences:
| Feature | Single Girder Crane | Double Girder Crane |
| Core Structure | 1 Main Girder (Box or H-beam design). The electric hoist suspends below the girder. Maintenance platforms are minimal or absent. | 2 Main Girders (Box or truss design). The hoist/winch trolley rides on top of the girders. Includes built-in maintenance walkways. |
| Lifting Capacity | Light to Medium (1 to 20 Tons). Pushing beyond 20 tons reduces stability and overall cost-effectiveness. | Heavy Duty (5 to 500+ Tons). The only practical, safe choice for handling massive loads over 50 tons. |
| Working Area & Headroom | Restricted Height. Because the hoist hangs beneath the beam, it takes up valuable overhead space, limiting how high you can lift. | Maximum Height. Because the trolley sits on top of the beams, you can raise the hook significantly higher within the exact same cabin height. |
| Ideal Scenarios | Best for low-headroom, lighter tasks (Spans ≤30m, Duty A3-A5). Common in smaller engine rooms and standard maintenance areas. | Best for heavy-load, wide-span operations (Spans >40m, Duty A6-A8). Ideal for large shipyards, heavy machining, and mega vessels. |
Expert Guide: Which One Should You Choose?
The Economical Choice (Single Girder)
If you are outfitting a standard vessel and need a lightweight, highly cost-effective solution with lower installation costs, the single girder crane is your best option.
The Heavy-Duty Choice (Double Girder)
While the initial cost is higher and the structure is more complex, the double girder crane is indispensable for large vessels like large bulk carriers and massive container ships. It maximizes your workable cabin space. If you need to overhaul heavy core components (like main motors or gear reducers) and are facing the ultimate engine room challenge of “confined space, heavy loads, and high lifting requirements,” the double girder is your perfect match.
While both are designed to lift heavy equipment, their operating environments dictate entirely different engineering approaches.
Engine Room Cranes
An engine room crane typically utilizes a highly compact, single-girder structure specifically designed to navigate the cramped, confined spaces inside a vessel. Because the ship’s cabin dictates its maximum working span and travel length, we engineer these cranes to move efficiently using specialized pulley or motor-driven systems.
More importantly, since they operate out at sea, they must safely handle the vessel’s heel and roll during rough sea state. This requires a significantly higher safety factor and strict adherence to Classification Society certifications. We build them with superior protection levels, integrating rigorous fireproof, explosion-proof, and anti-corrosion treatments to withstand salt spray and constant maritime wear.
Standard Bridge Cranes
In contrast, a standard industrial bridge crane generally features a double-girder structure built for spacious indoor factories and warehouses. As a general-purpose handling tool, it manages much heavier loads over massive working spans that can stretch up to hundreds of meters. The entire bridge travels along extensive rail systems to cover the facility.
Because these cranes operate on stable ground, they do not require complex anti-sway or anti-overturning designs to combat ocean waves. Their safety requirements focus primarily on standard industrial IP ratings to protect against everyday dust, rain, and collisions, rather than the extreme, unpredictable conditions of the sea.
To provide you with the most accurate technical solution and competitive pricing for your vessel’s engine room crane, please provide the following essential parameters:
1. Core Dimensions
Rail Span (m), Hoisting Height (m), and the total Travelling Length (m) within the engine room. Please also specify your preferred Drive Mode (Electric or Manual).
2. Spatial Constraints
The minimum vertical clearance from the top of the rail to the engine room ceiling (mm), and the dimensions of the access hatch (L × W m) through which the equipment will be lowered.
3. Lifting Requirements
Maximum Safe Working Load (SWL in tons) and whether an auxiliary hook is required.
4. Compliance & Certification
Requirements for fireproofing, explosion-proofing, or specialized anti-corrosion coatings. Please specify the required Classification Society certification (e.g., CCS, DNV, ABS, LR). For further tailored upgrades, please refer to the “Custom Options” section on our website.
– Please note:
Providing an internal engine room layout (GA Drawing) or on-site photographs will significantly help us optimize the design and prevent potential installation conflicts.
If you are unsure of the specific technical details, please at least provide the required Lifting Capacity and Rail Span. Our technical team will then develop a preliminary solution and provide a formal quotation as soon as possible.
– Photos like these:
Absolutely. Installation is a top priority for our clients, and it is a core part of our service.
At OUCO, we understand that space inside a vessel’s engine room is at an absolute premium. The ceiling is typically crowded with piping, ventilation ducts, and cable trays, leaving extremely limited room to maneuver.
That is exactly why we help you plan the installation strategy from day one. We engineer the layout and calculate the precise height clearances to navigate around overhead obstacles. This proactive approach ensures the crane moves freely without interference and maximizes its lifting coverage across your entire work area.
Furthermore, if you need hands-on support, we offer on-site inspection, expert supervision, and complete installation services directly at your vessel or shipyard.
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