This area contains information about various technical aspects of the VW Type 4.
An overview over the technological advances which made it stand out among other VW models (and the competition in general) is given as well as a rundown of problematic items, at least from the standpoint of those attempting to maintain or restore a 411 or 412 today.
You will also find datasheets with engine and chassis number information to get a better idea of when your Type 4 was built or if it has an engine that is not original.
| Chassis Numbers | Charts showing chassis- (VIN-) and engine codes and numbers over the duration of Type 4 production |
| Engine markings | Mysterious numbers stamped on the engine cooling tin |
| Engine Codes | A chart showing all engines available on the Type 4 and their production numbers |
| Finding the numbers | How to find chassis (VIN) and engine numbers |
| Problem Areas | The problematic items to look out for on 411 and 412 models |
| Tech Highlights | Technological highlights of the VW Type 4 |
| Wiring Diagrams | Various wiring diagram scans |
