---
title: "Out of gauge cargo"
description: "Cargo which dimensions are exceeding the normal dimensions of a 20’ or 40’ container  e.g. overlength  overwidth  overheight  or combinations thereof"
url: "https://oceancargo.co.uk/shipping-terms/out-of-gauge-cargo"
date: "2026-05-01T02:11:35+00:00"
language: "en-GB"
---

![Ocean Cargo](https://oceancargo.co.uk/images/GenPics/OCs-Customs-Brokerage.webp)

 # Out of Gauge (OOG) Cargo Shipping: Your Expert Guide

## What is Out of Gauge (OOG) Cargo?

In the intricate world of global logistics, not all cargo fits neatly into standard containers. When your goods exceed the typical dimensions of a 20-foot or 40-foot shipping container – whether they are overlength, overwidth, overheight, or a combination thereof – they are classified as **Out of Gauge (OOG) cargo**. This specialist category demands meticulous planning, bespoke equipment, and expert handling to ensure safe and compliant transit.

At Ocean Cargo, we understand that OOG shipments represent some of the most challenging yet critical movements for businesses. From industrial machinery and construction equipment to large vehicles and wind turbine components, these oversized items require a freight forwarding partner with deep expertise and a proven track record. Our dedicated team provides comprehensive [project cargo solutions](https://oceancargo.co.uk/services/project-cargo/) tailored to the unique demands of your [OOG](https://oceancargo.co.uk/services/project-logistics "OOG") freight.

## Why is OOG Cargo Different from Standard Container Shipping?

Shipping Out of Gauge cargo is fundamentally different from standard containerised freight. Here’s why:

- **Specialised Equipment:** [OOG](https://oceancargo.co.uk/services/project-logistics "OOG") cargo cannot be loaded into conventional [sea freight](https://oceancargo.co.uk/services/sea-freight/) containers. It requires open-top containers, flat racks, or even breakbulk vessels, which are designed to accommodate oversized dimensions.
- **Route Planning:** Standard shipping routes and [infrastructure](https://oceancargo.co.uk/industries/construction-infrastructure-logistics "infrastructure") (e.g., bridges, tunnels, road widths, port cranes) may not be suitable for [OOG](https://oceancargo.co.uk/services/project-logistics "OOG") cargo. Detailed route surveys and feasibility studies are often necessary.
- **Permits and Regulations:** Transporting oversized loads, especially by road, involves obtaining special permits from local authorities in every country of transit. Compliance with varying national and international regulations is paramount.
- **Loading and Securing:** [OOG](https://oceancargo.co.uk/services/project-logistics "OOG") cargo demands specialised lifting equipment (e.g., heavy-lift cranes) and expert lashing and securing techniques to prevent movement and damage during transit.
- **Cost Structure:** Due to the specialised equipment, planning, and handling involved, [OOG](https://oceancargo.co.uk/services/project-logistics "OOG") shipping typically incurs higher costs than standard [container shipping](https://oceancargo.co.uk/services/sea-freight "container shipping").

## Types of Out of Gauge Cargo

The range of goods classified as [OOG](https://oceancargo.co.uk/services/project-logistics "OOG") is vast and varied. Common examples include:

- **Industrial Machinery:** [Manufacturing](https://oceancargo.co.uk/industries/manufacturing-industrial "Manufacturing") equipment, presses, generators, and turbines.
- **Construction Equipment:** Excavators, bulldozers, cranes, and large vehicles.
- **Energy Sector Components:** Wind turbine blades, nacelles, tower sections, and oil & gas equipment.
- **Vehicles:** Large trucks, buses, boats, and yachts.
- **Modular Structures:** Prefabricated building sections, housing units, and industrial modules.
- **Aerospace Components:** Aircraft parts and fuselages.

Ocean Cargo has extensive experience handling diverse [OOG](https://oceancargo.co.uk/services/project-logistics "OOG") shipments, from [excavators and diggers to the UAE](https://oceancargo.co.uk/countries/uae/excavators-diggers-uae) to [wind turbine components to Australia](https://oceancargo.co.uk/countries/australia/wind-turbine-components-blades-nacelles-tower-sections-australia), ensuring each project is managed with precision.

## Key Considerations for Shipping OOG Cargo

Successful [OOG](https://oceancargo.co.uk/services/project-logistics "OOG") cargo shipping hinges on meticulous planning and execution. Here are the critical factors to consider:

### 1. Accurate Dimensions and Weight

The first and most crucial step is to provide precise measurements (length, width, height) and the exact weight of your cargo. Even minor discrepancies can lead to significant delays, additional costs, or even rejection at the port. Ocean Cargo works closely with clients to verify all specifications, ensuring the correct equipment and permits are secured from the outset.

### 2. Choosing the Right Equipment

Depending on the specific dimensions of your OOG cargo, various specialised containers and vessels may be utilised:

- **Flat Rack Containers:** These have no side walls or roof, making them ideal for cargo that is overwidth or overheight. They come in 20-foot and 40-foot variants.
- **Open Top Containers:** With a removable tarpaulin roof, these are suitable for cargo that is overheight but fits within the standard width and length.
- **Breakbulk Vessels:** For extremely large or heavy items that cannot fit on any container type, breakbulk shipping involves loading cargo directly into the ship's hold or onto the deck. This often requires specialised heavy-lift vessels.
- **Roll-on/Roll-off (RoRo) Vessels:** Ideal for wheeled cargo (e.g., vehicles, machinery on trailers) that can be driven directly onto the ship.

### 3. Route Planning and Feasibility Studies

Transporting OOG cargo often requires a detailed route survey. This involves assessing:

- **Road Infrastructure:** Bridge clearances, tunnel dimensions, road widths, and turning radii.
- **Port Capabilities:** Crane capacities, storage space, and access for oversized vehicles.
- **Overhead Obstructions:** Power lines, traffic lights, and other potential impediments.

Ocean Cargo's [project logistics](https://oceancargo.co.uk/services/project-logistics "project logistics") team conducts thorough feasibility studies to identify the most efficient and safest route, mitigating potential obstacles before they arise.

### 4. Customs Compliance and Documentation

OOG cargo, like all international shipments, is subject to strict customs regulations. However, the complexity can increase due to the nature of the goods. Accurate documentation, including commercial invoices, packing lists, and any necessary permits for oversized loads, is vital. Our expert [customs compliance services](https://oceancargo.co.uk/services/customs-compliance/) ensure all paperwork is meticulously prepared, preventing delays at borders, whether you're shipping to the [USA](https://oceancargo.co.uk/countries/usa/customs-brokerage-usa) or [Canada](https://oceancargo.co.uk/countries/canada/customs-brokerage-canada).

### 5. Lashing, Securing, and Cargo Protection

Given the value and often delicate nature of OOG cargo, proper lashing and securing are paramount. This involves using specialised chains, straps, chocks, and cradles to prevent any movement during transit. Additionally, appropriate weather protection (e.g., tarpaulins, shrink wrap) may be required for cargo exposed to the elements. Ocean Cargo partners with experienced stevedores and lashing specialists to guarantee the integrity of your shipment.

### 6. Risk Management and Insurance

The inherent complexities of OOG shipping mean a higher risk profile. Comprehensive cargo insurance is highly recommended to protect against potential damage, loss, or delays. Ocean Cargo advises clients on suitable insurance options and implements robust risk management strategies throughout the shipping process.

## The Ocean Cargo Advantage for OOG Shipments

Navigating the complexities of Out of Gauge cargo requires a freight forwarder with a blend of experience, resources, and a proactive approach. Ocean Cargo offers:

- **Specialist Expertise:** Over 25 years of experience in handling complex project cargo and OOG shipments across various industries.
- **Global Network:** A robust network of partners and agents worldwide, ensuring seamless coordination and local expertise at every stage.
- **Tailored Solutions:** We don't offer one-size-fits-all solutions. Every OOG shipment is assessed individually, and a bespoke logistics plan is developed to meet your specific requirements.
- **Dedicated Project Management:** A single point of contact for your OOG project, providing transparent communication and real-time updates.
- **Comprehensive Services:** From initial consultation and route surveys to [customs clearance](https://oceancargo.co.uk/services/customs-compliance "customs clearance") and final delivery, we manage every aspect of your OOG shipment.
- **Safety and Compliance:** Unwavering commitment to safety standards and full compliance with all international and local regulations.

Whether you require [sea freight to Canada](https://oceancargo.co.uk/countries/canada/sea-freight-canada) for oversized machinery or [air freight to the USA](https://oceancargo.co.uk/countries/usa/air-freight-usa) for urgent OOG components, Ocean Cargo is your trusted partner.

## Frequently Asked Questions About OOG Cargo

#### What is the maximum size for OOG cargo?

There isn't a single "maximum size" as it depends heavily on the mode of transport (sea, air, road), the specific vessel or aircraft, and the [infrastructure](https://oceancargo.co.uk/industries/construction-infrastructure-logistics "infrastructure") of the ports and roads involved. For containerised OOG, it's typically cargo that exceeds the internal dimensions of a standard 20ft or 40ft container. For breakbulk, items can be significantly larger, limited only by vessel capacity and port handling capabilities. Ocean Cargo assesses each shipment individually to determine feasibility.

#### What are the common challenges in shipping OOG cargo?

Common challenges include securing appropriate specialised equipment, obtaining necessary permits for oversized loads, navigating complex customs regulations, ensuring safe loading and lashing, and managing higher costs and longer transit times. Unexpected delays due to weather or port congestion can also be more impactful for OOG shipments. Our proactive approach at Ocean Cargo aims to mitigate these challenges.

#### How is the cost of OOG cargo shipping calculated?

The cost of OOG cargo shipping is highly variable and depends on several factors: the cargo's exact dimensions and weight, the chosen mode of transport, the origin and destination, the type of specialised equipment required (e.g., flat rack, open top, breakbulk vessel), port handling charges, road permits, and any additional services like escort vehicles or route surveys. We provide detailed, transparent quotes after a thorough assessment of your specific requirements.

#### Can OOG cargo be shipped by air freight?

Yes, OOG cargo can be shipped by [air freight](https://oceancargo.co.uk/services/air-freight/), but it is subject to much stricter size and weight limitations compared to sea freight. Large cargo aircraft (e.g., freighters like the Boeing 747F or Antonov An-124) are designed to carry oversized items, but dimensions must still fit through the aircraft's cargo doors and within its internal capacity. Air freight for OOG is typically reserved for urgent, high-value, or time-critical shipments due to its higher cost.

### Ready to simplify your global logistics?

Get advice and a quote for your next shipment. Contact the Ocean Cargo team to start shipping.

[Freight Quote](https://oceancargo.co.uk/contact-us)

## Schema

```json
{ "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://oceancargo.co.uk" }, { "@type": "ListItem", "position": 2, "name": "Shipping Terms", "item": "https://oceancargo.co.uk/shipping-terms" }, { "@type": "ListItem", "position": 3, "name": "Out of gauge cargo", "item": "https://oceancargo.co.uk/shipping-terms/out-of-gauge-cargo" } ] }
```

```json
{ "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is the maximum size for OOG cargo?", "acceptedAnswer": { "@type": "Answer", "text": "There isn't a single "maximum size" as it depends heavily on the mode of transport (sea, air, road), the specific vessel or aircraft, and the infrastructure of the ports and roads involved. For containerised OOG, it's typically cargo that exceeds the internal dimensions of a standard 20ft or 40ft container. For breakbulk, items can be significantly larger, limited only by vessel capacity and port handling capabilities. Ocean Cargo assesses each shipment individually to determine feasibility." } }, { "@type": "Question", "name": "What are the common challenges in shipping OOG cargo?", "acceptedAnswer": { "@type": "Answer", "text": "Common challenges include securing appropriate specialised equipment, obtaining necessary permits for oversized loads, navigating complex customs regulations, ensuring safe loading and lashing, and managing higher costs and longer transit times. Unexpected delays due to weather or port congestion can also be more impactful for OOG shipments. Our proactive approach at Ocean Cargo aims to mitigate these challenges." } }, { "@type": "Question", "name": "How is the cost of OOG cargo shipping calculated?", "acceptedAnswer": { "@type": "Answer", "text": "The cost of OOG cargo shipping is highly variable and depends on several factors: the cargo's exact dimensions and weight, the chosen mode of transport, the origin and destination, the type of specialised equipment required (e.g., flat rack, open top, breakbulk vessel), port handling charges, road permits, and any additional services like escort vehicles or route surveys. We provide detailed, transparent quotes after a thorough assessment of your specific requirements." } }, { "@type": "Question", "name": "Can OOG cargo be shipped by air freight?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, OOG cargo can be shipped by air freight, but it is subject to much stricter size and weight limitations compared to sea freight. Large cargo aircraft (e.g., freighters like the Boeing 747F or Antonov An-124) are designed to carry oversized items, but dimensions must still fit through the aircraft's cargo doors and within its internal capacity. Air freight for OOG is typically reserved for urgent, high-value, or time-critical shipments due to its higher cost." } } ] }
```

```json
{ "@context": "https://schema.org", "@type": "Article", "mainEntityOfPage": { "@type": "WebPage", "@id": "https://oceancargo.co.uk/shipping-terms/out-of-gauge-cargo" }, "headline": "Out of gauge cargo", "description": "Cargo which dimensions are exceeding the normal dimensions of a 20’ or 40’ container e.g. overlength overwidth overheight or combinations thereof", "image": { "@type": "ImageObject", "url": "https://oceancargo.co.uk/images/GenPics/sea-freight3.webp" }, "publisher": { "@type": "Organization", "name": "Ocean Cargo", "logo": { "@type": "ImageObject", "url": "https://oceancargo.co.uk/images/300_ocean-logo.png" } }, "author": { "@type": "Person", "name": "Ocean Cargo", "url": "https://oceancargo.co.uk/shipping-terms/out-of-gauge-cargo" }, "datePublished": "2025-09-04T23:31:49+00:00", "dateCreated": "2025-07-16T17:17:15+00:00", "dateModified": "2025-08-04T00:22:09+00:00" }
```

```json
{ "@context": "https://schema.org", "@type": [ "LocalBusiness" ], "@id": "https://oceancargo.co.uk/shipping-terms/out-of-gauge-cargo#localbusiness3", "name": "Ocean Cargo", "image": "https://oceancargo.co.uk/images/300_ocean-logo.png", "url": "https://oceancargo.co.uk/shipping-terms/out-of-gauge-cargo", "address": { "@type": "PostalAddress", "addressCountry": "UK", "addressLocality": "Oldham", "postalCode": "OL8 2PF" }, "openingHoursSpecification": { "@type": "OpeningHoursSpecification", "dayOfWeek": [ "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" ], "opens": "00:00", "closes": "23:59" }, "aggregateRating": { "@type": "AggregateRating", "ratingValue": "4.8", "reviewCount": "500", "worstRating": 0, "bestRating": 5 } }
```