Wulf Johannsen has been in business for more than 90 years!
Schedule your appointment today!
Visit us at SMM Hamburg 2026!
Discover our expertise in the maintenance, repair, and optimisation of diesel engines, components, pumps and marine propulsion systems – at SMM Hamburg.
We look forward to a personal exchange with you – schedule an appointment today!
SMM Hamburg (Germany)
September 1–4, 2026
Hall A4 / Booth 306
Always here for you!
Our 24/7 Service-Hotline
Our service for you: 24 hours / 7 days a week!
(+49) 431 58795-0
Worldwide service for your engines
Learn everything about our services. Tested and certified quality for more performance.
Industries and Sectors
Find out in which industries we operate -
at every point in the world.
Mechanical Fabrication and Processing
Learn everything about our services. Tested and certified quality for more performance.
Spare Parts Service
With our IQ-PARTS® spare parts service, you benefit from fast and secure worldwide delivery of maintenance kits and spare parts – including pumps, turbochargers, hydraulic fittings, and much more.
CLAAS REPAIR CENTER
Wulf Johannsen is authorized engine partner of CLAAS, offering you a comprehensive range of services for engines and components used in CLAAS agricultural machinery.
Welcome to Wulf Johannsen!
Welcome to Wulf Johannsen – Personal. Competent. Reliable.
For over 92 years, our family-run company has stood for quality, dependability, and personalized service. What began in 1932 as a small cylinder and crankshaft grinding workshop founded by Wulf Johannsen in Kiel has since evolved into a modern service provider with a strong network of long-standing suppliers and partners – and, most importantly, many loyal customers.
Our greatest asset? Our people.
A motivated, experienced, and highly qualified team supports you with passion, expertise, and dedication – whether on-site around the world or at our facility in Kiel. We place great importance on personal contact and being attentive to your needs.
As a fourth-generation family business, we value long-term relationships – with our customers, partners, and employees alike. We invest purposefully in training and development, creating a work environment where our teams can grow and thrive.
Our mission: Not only to meet your expectations but to exceed them.
Through technical precision, flexibility, and a commitment to the highest quality standards, we continuously enhance our services.
Your success is what drives us – for more than 92 years.
Jan-Willem Storm | Managing partner
Years in business
Engines worked on in 2024
Employees
Quality and Certifications
We offer you a comprehensive service and support system that covers all aspects of safety, operation, and maintenance of your engines and energy systems.
Our certifications according to DIN EN ISO 9001, SCC** (Safety Certificate Contractors), the RAL Quality Mark, and the "Safety with System" seal of approval ensure independent, manufacturer-neutral quality at the highest level.
More information & downloadsNews
Stay in touch and up to date.
Lesen Sie regelmäßige Updates, Messeinformationen und Berichte aus unserem Unternehmen.
Wir zeigen, was wir bewegen!