---
title: "Blog | Crane Selection, Maintenance and Standards — Ervan Cranes"
description: "Ervan Cranes engineering notes: choosing an overhead crane, single vs double girder, periodic maintenance checklist, CE attestation and field projects."
url: https://ervancranes.com/en/blog/
language: en
---

Blog

# Engineering Notes.

Short technical articles on crane selection, maintenance, field experience and regulation.

- [Overhead Crane Capacity: What Changes from 1 t to 100 t](https://ervancranes.com/en/blog/overhead-crane-capacities/): Featured · Technical Guides · 8 min read · What counts towards overhead crane capacity, how to work out the tonnage you need, and how girder design, hoist, wheel loads and test loads change from 1 t to 100 t. · View

## All articles

- [Overhead Crane Inspection Requirements: Who, When and What Is Checked](https://ervancranes.com/en/blog/overhead-crane-inspection-requirements/): Maintenance & Safety · 8 min read · Who inspects an overhead crane, how often and what is examined? The rules in the EU, the UK and the US, load tests, the inspection report, handling defects and a checklist to prepare.
- [Overhead Crane Troubleshooting: Symptoms, Causes and Safe First Steps](https://ervancranes.com/en/blog/overhead-crane-troubleshooting/): Maintenance & Safety · 9 min read · A symptom guide to common overhead crane problems – no start, hoist will not lift, slipping brake, motor trips, skewing, collector sparks, VFD faults – with likely causes and safe first steps.
- [Overhead Crane Modernization: What to Upgrade and When to Replace](https://ervancranes.com/en/blog/overhead-crane-modernization/): Technical Guides · 8 min read · Which parts of an older overhead crane can be upgraded, how a modernization runs, when it counts as a substantial modification and when a new crane is the better route.
- [Buying a used overhead crane: documents, checks and hidden costs](https://ervancranes.com/en/blog/buying-a-used-overhead-crane/): Technical Guides · 9 min read · When does a used overhead crane make sense? The documents to demand, how to check fit and condition, remaining service life, hidden costs, the legal points and a checklist for any listing.
- [What Is an Overhead Travelling Crane? How It Works and Where It Is Used](https://ervancranes.com/en/blog/what-is-an-overhead-travelling-crane/): Technical Guides · 6 min read · An overhead travelling crane lifts and moves loads across a whole bay without using floor space. How its three motions work, what it is made of, where it pays off and where its limits lie.
- [Overhead Crane Manufacturing: How a Crane Is Built, Step by Step](https://ervancranes.com/en/blog/overhead-crane-manufacturing-process/): Technical Guides · 7 min read · From structural calculations to blast cleaning and factory tests: the stages of overhead crane manufacturing, what is checked at each one, and how to judge build quality as a buyer.
- [How to choose an overhead crane manufacturer: a buyer's checklist](https://ervancranes.com/en/blog/how-to-choose-an-overhead-crane-manufacturer/): Technical Guides · 8 min read · Engineering, own production, CE documents, load testing and spare parts: what to check before choosing an overhead crane manufacturer, how to compare quotes and which warning signs matter.
- [Overhead crane manufacturer in Turkey: what export buyers should know](https://ervancranes.com/en/blog/buying-an-overhead-crane-from-turkey/): Standards & Regulation · 7 min read · Why buyers in Europe, the Middle East and North Africa source overhead cranes from Turkey, and what to settle first: CE and local rules, grid supply, shipping, erection and spare parts.