What is the maximum permissible train weight of these vehicles when pulling a 3 axle semi-trailer in the UK?

Explanation: • 42 tonnes: No, this is not the maximum permitted weight for this vehicle combination.
• 40 tonnes: No, but this would be the maximum train weight for a 5 axle combination.
• 38 tonnes: No, although this weight is permitted for certain 2 + 2 articulated vehicle combinations meeting specific requirements.
• 44 tonnes: Yes, correct.

Category: CPC Case Studies: Speed Height Weight and Other Limits