E684WSW Renault G08/Excalibur P D&GDumfires and Galloway had a number of these compact pumps that presumably carried less than 1800 litres. Could be driven without HGV licence.
publicity shot from Excalibur in my private collection.
Excalibur CBK built a range of fire engines for brigades across the UK using various chassis including Dennis, Mercedes-Benz and Volvo.
Their first orders were in 1985 from the Powys brigade in Wales. It was based in Staffordshire and ceased trading after ten years or so.
A similar appliance went to Perkins WFB after service; see

Picture added on 10 April 2024 at 20:19
Added by Rob Johnson on 03 May 2024.