workhorse

1. (by extension) Someone or something that does a lot of work; something or someone who works consistently or regularly.Examples: "Those old machines are not very glamorous, but even 20 years after their introduction, they are still the workhorses of the industry."; "Captain Harry Kane was the workhorse and creator, while Sterling and Rashford provided the finishing flourishes that put England in dreamland at the interval."; ""Class 08s have been the workhorses of ports, distribution centres and depots across Britain's railway for more than 60 years," said Positive Traction Director Alistair Gregory."broadly