
Sales, service and rental of construction machinery, vehicle superstructures and processing technology in northern Germany

Werner Seemann GmbH & Co. KG
Ostrhauderfehn · Ganderkesee · WallenhorstNew on Amplifa
About Seemann
Werner Seemann GmbH & Co. KG is a family-run construction machinery dealer headquartered in Ostrhauderfehn (East Frisia) with additional branches in Ganderkesee (greater Bremen area) and Wallenhorst (Osnabrück). The company sells new and used machinery from the brands Atlas, Atlas Weyhausen, Bobcat, Develon, Finlay, Weycor, Komatsu and Hyva – from mini and mobile excavators to wheel loaders, telescopic handlers, dumpers and loading cranes, through to crushing and screening plants, conveyor belts, and roll-off and skip containers. Its service portfolio includes customer service with mobile workshop vehicles, a rental fleet, purchase and financing advice, and spare parts supply with around 50,000 parts in stock. Used machinery is inspected and refurbished in the company's own specialist workshop. Target industries include structural and civil engineering, demolition and deconstruction, landscaping and gardening, agriculture and forestry, raw material extraction, municipal services, recycling and waste disposal, and logistics. With more than 80 employees and over 16 partner brands, the company founded in 1966 is a go-to partner in northwestern Germany.
- Site
- Ostrhauderfehn
- Processes
- Customer service / mobile workshop, Rental fleet / machinery rental, Purchase and financing advice, Parts & accessories (approx. 50,000 parts in stock), Used machinery (inspected and refurbished), Maintenance with and without contract, Conversions, Training
- Founded
- 1966
- Employees
- 80+
- Industries
- Structural and civil engineering, Demolition and deconstruction, Landscaping and gardening, Agriculture and forestry, Raw material extraction, Municipal services
- 01
Sales of new and used machinery
- 02
Consulting as well as purchase and financing brokerage
- 03
Workshop-inspected refurbishment of used machinery
- 04
Customer service, maintenance and repair (also mobile on site)
- 05
Spare parts supply, rental, conversions and training
Locations

Ostrhauderfehn
DEHeadquarters / East Frisia branch
- Materials
- Atlas, Atlas Weyhausen, Bobcat, Develon, Finlay, Weycor, Hyva, Komatsu
- Workshop
- Mobile workshop vehicles
- Spare parts warehouse (approx. 50,000 parts)
- Rental fleet

Ganderkesee
DEBremen branch
- Materials
- Atlas, Atlas Weyhausen, Bobcat, Develon, Finlay, Weycor, Hyva
- Workshop
- Mobile workshop vehicles
- Spare parts warehouse
- Rental fleet

Wallenhorst
DEOsnabrück branch
- Materials
- Atlas, Atlas Weyhausen, Bobcat, Develon, Finlay, Weycor, Hyva
- Workshop
- Mobile workshop vehicles
- Spare parts warehouse
- Rental fleet
Product Groups






Inside the production



Industries
24 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Mobile excavator | Atlas 155W Big Foot | – | 14 t mobile excavator, up to 36 km/h travel speed | – | Ostrhauderfehn |
| Cone crusher | Finlay C-1545P | – | Terex TC1150 cone crusher chamber, pre-screen 2.1 x 1.52 m, belt width 1,000 mm | – | – |
| Mobile excavator (material handling excavator) | Atlas 135WSR | – | Operating weight 14.6–15.2 t, engine power 95 kW, bucket capacity 0.3–1.0 m³ | – | – |
| Mobile excavator (compact excavator) | Bobcat E57W | – | Operating weight 6,312 kg, engine 2.4 l Stage V, 42.5 kW, max. 30 km/h | – | – |
| Loading crane | Atlas AK 226.3RC | – | – | – | – |
| Loading crane (folding crane) | Atlas AK 95.2 | – | Lifting moment up to 92.7 kNm, reach up to 8.0 m | – | – |
| Loading crane | Atlas AK 380.3E / 380.4E | – | max. 8,300 kg, max. reach 20.95 m, max. 320 bar | – | – |
| Wheel loader | Develon DL280-7 | – | Operating weight 15.7 t, bucket volume 2.8 m³, 192 hp | – | – |
| Vibratory plate (forward running) | Bobcat FP10.33 / FP12.40 / FP15.40 / FP15.50 / FP20.50 / FP20.50D | – | Weight 54–80 kg, centrifugal force 10.5–15 kN | – | – |
| Roto telescopic handler | Bobcat TR series | – | 360° slewing ring | – | – |
| Wheel loader | Weycor AR 560 | – | – | 2025 | – |
| Telescopic handler | Bobcat TL43.80HF | – | 4.3 t lift capacity, 7.5 m lift height | 2025 | – |
| Wheel loader | Atlas Weyhausen AR 320 | – | – | 2023 | Ostrhauderfehn |
| Wheel loader | Atlas Weyhausen AR 380 | – | – | 2024 | Ostrhauderfehn |
| Wheel loader | Atlas Weyhausen AR 520 | – | – | 2023 | Wallenhorst |
| Wheel loader | Atlas Weyhausen AR 520 | – | – | 2025 | Ostrhauderfehn |
| Wheel loader | Atlas Weyhausen AR 530 | – | – | 2023 | Ostrhauderfehn |
| Wheel loader | Atlas Weyhausen AR 65 Super | – | – | 2012 | Ostrhauderfehn |
| Wheel loader | Atlas Weyhausen AR 65 Super II | – | – | 2008 | Ganderkesee |
| Wheel loader | Atlas Weyhausen AR 80 | – | – | 2013 | Ostrhauderfehn |
| Wheel loader | Komatsu WA 80 M-8 | – | – | 2020 | Ostrhauderfehn |
| Mini excavator | Atlas Kompakt AC 20F | – | – | 2020 | Ostrhauderfehn |
| Mini excavator | Bobcat E10Z | – | – | 2019 | Ostrhauderfehn |
| Mini excavator | Bobcat E17 | – | – | 2019 | Wallenhorst |
Additional services
History
- 1966
Founded by Werner Seemann sen. as an independent commercial agent for ATLAS products of the F. Weyhausen Maschinenfabrik.
- 1980
Relocation to new workshop, warehouse and office buildings in Idafehn
- 1983
Renamed Werner Seemann GmbH & Co. KG
- 1985
Opening of the Osnabrück branch; contractual partnership with H. Weyhausen KG
- 1987
Relocation of the headquarters to Ostrhauderfehn
- 1999
Jens and Werner Seemann jun. become managing partners
- 2004
Opening of the Bremen branch in Ganderkesee; HYVA added to the product range as a new brand
- 2007
Rebranding: ATLAS SEEMANN becomes SEEMANN
- 2012
SEEMANN becomes a BOBCAT dealer
- 2016
50 years of SEEMANN
- 2019
Mirco Seemann (3rd generation) joins the company
- 2021
SEEMANN becomes a FINLAY sales partner (crushing and screening plants, conveyor belts)
- 2023
DOOSAN becomes the brand DEVELON; SEEMANN remains a trading partner