DIESEL INJECTION 0116 276 6831 MOTOR CO 0116 276 7092 
info@welhamgroup.co.uk
Welcome to Welham Group
Good old fashioned engineering since 1947
Welhams started in business just after the end of the second world war and we have always been proud of our engine reconditioning skills.
We can rebore cylinder blocks, recondition heads and regrind crankshafts as well as complete engine rebuilds.
We are members of the Federation of Engine Re-Manufacturers which ensures that all our work is carried out to a high professional standard.
Our Services
In addition to the work we do on the vintage diesel side, we offer the same services for common rail pumps and injectors all the way up to Euro6 standards.
Welham Diesel, established in 1964 as an offshoot of Welham Motor Company, specialises in servicing and refurbishing fuel pumps and injectors for agricultural machinery.
Despite their age, our crankshaft regrinding machines are still regarded as some of the best.
News & Case Studies
We’re Back at the Newark Vintage Tractor & Heritage Show on the 8th & 9th November 2025!
As we prepare to be at the Newark Vintage Tractor & Heritage Show again this November, the excitement in our workshop is unmistakable. We’re checking
The Kerosene-Fired Waterloo Boy: A Pioneer of Modern Farming
In the early years of the 20th century, agriculture was on the brink of dramatic change. Horses had long been the backbone of farm power,
Spotlight on a Classic: The Ford 3000 Tractor
At Welham Diesel Injection, we have a real passion for vintage machinery, and few tractors capture the spirit of classic farming like the Ford 3000.
Our knowledge has been passed down the generations of skilled technicians here at Welhams
Proud members of
