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Motoren Küpers – specialised in camshaft reconditioning

MOTOREN KÜPERS – Specialised on diesel injection pumps and camshafts

We are able to machine camshafts and injection pumps of all established engines and reconditioning of injection pumps (Bosch P to 2 WM injection pumps EDC pumps and older A-M pumps):

camshaft reconditioning

  • locomotive engines
    CAT, Cummings, MTU, Kolamna…
  • navigation
    MAK, SKL, ABC, Deutz MWM, Mitsubishi, Yanmar…
  • energy facilities
    Jenbacher, Waukesha…
  • commercial vehicles and construction machinery
    Mercedes, MAN, Volvo, DAF, Skania, Iveco, Detroit Diesel, Komatsu…
  • Motorsport and vintage (rarities)
    reconstruction of cams and camshafts that are no longer available, no common vehicles

Other services: cylinder and crankshaft grinding as well as the reconditioning of cam acceptors such as roller tappets and injection timing devices. If necessary, various repairs are also possible with the machine still installed.
All test and alignment tasks such as approval by the German Lloyd and other test organisations can be carried out on our premises.

Special manufacture of parts and small series

Aside from regular repair grinding, we also deal with the reconstruction of cams and camshafts that are no longer available, up to a length of 3.25 m. We can reconstruct individual parts that are no longer available for delivery, perform special manufacture of parts as well as small series from a sample or a blueprint at extremely short notice.



Measuring of line boring MTU 12V 396


Reversing of cam lobes turnchanging camshaft Deutz 545

Nocken schleifen


Planfräsen und Ausbohren

Repairing of main oil passages