| 1985: | The Komatsu UK (KUK) plant was established in Chester-le-Street, near Newcastle |
| 1986: | Substantial plant refurbishment undertaken |
| 1987: | The factory was officially opened by HRH Prince of Wales, and production of excavators and wheel loaders commenced, mainly for European markets |
| 1988: | The EEC accepted KUK as a European manufacturer with a local content level of 60% (today over 80%) |
| 1989: | Started wheel loader production (on a very modest scale) |
| 1990: | Introduced Dash-5 series crawler excavators |
| 1991: | Moved wheel loader production to KOHAG |
| 1991: | Manufactured its 500th unit |
| 1991: | Achieved Queen’s Award for Export (valid 3 years) |
| 1991: | Constructed the new “Design and Development Centre” |
| 1992: | Introduced the first Komatsu product designed in Europe - the PW170-5 wheeled excavator |
| 1993: | Opened the customer visitor centre |
| 1994: | Produced its 10,000th unit |
| 1994: | Achieved Investors in People Award |
| 1995: | Introduced the Dash-6 series crawler excavators |
| 1997: | 10th Anniversary of manufacturing at KUK |
| 1998: | Achieved the ISO14001 designation |
| 1999: | Produced the 20,000th KUK-built excavator |
| 1999: | Established the machine demonstration area |
| 2000: | Achieved Queen’s Award for Enterprise (valid 5 years) |
| 2002: | Introduced the new series of Dash-7 excavators |
| 2003: | Expanded the range of wheeled excavators with the introduction of the models PW200-7 and PW220-7 |
| 2004: | Developed and manufactured unique road/rail machines |
| 2005: | Introduced PW160-7 and PW180-7 wheeled excavators |
| 2005: | Produced its 40,000th KUK-built excavator |
| 2006: | Introduced the new series of Dash-8 excavators |
| 2007: | Komatsu UK celebrate 20 years of its official opening. |