Le vaste entrepôt Kolben possède un stock élevé de moteurs hydrauliques pour Caterpillar, Komatsu, Fiat Hitachi, Kobelco, Libra, Neuson, Caterpillar, JCB, New Holland, Case, Bobcat, Fiat Allis, Benati, O&K, Kubota, Soilmec, Casagrande, Hydromac, Volvo, Merlo, Daewoo, Manitou, Bitelli, Hyundai, Doosan, Fiat-Kobelco, Yanmar, Takeuchi, Eurocomack, John Deere, Atlas, Gehl, Mitsubishi, Terex, Fuchs, Pel-job, Zeppelin, IHI, Linde, Sany, Mecalac, Sennebogen, Airman, Solmec, Gallmac, Akerman, Ford/New-Holland, Messersi, Fai, Isuzu, Cams Libra, CNH, Hinowa, Vermeer, Ammann-Yanmar, Dynapac, Fiori, Hanomag, International, Krupp, Nissan, P&K e Venieri.