
Defence logistics · troop transport · emergency vehicles
Defence logistics & troop transport
Cleff vehicle windows and doors are also found in light, unarmoured defence logistics and troop transport vehicles, as well as emergency vehicles of the ambulance and fire services. For these applications we develop and manufacture customer-specific solutions – from functional glazing and emergency exit windows to the complete door with frame, sealing, hinge and locking system. We do not process steel and do not supply armoured versions. Manufactured in Wuppertal, tested in our own test centre.
Cleff
What we supply for defence logistics and troop transport vehicles
Functional glazing
Glass for unarmoured defence logistics and emergency vehicles: toughened, laminated and insulated glass, heated glass, emergency exit glass, ceramic printing, films – matched to frame and function.
Door systems from a single source
Entrance, crew compartment and engine room doors as complete systems with frame, seals, lock, door and window mechanisms – like the crew compartment door for Ziegler emergency vehicles.
Driver's and side windows
Electromechanical, double-glazed and flush-mounted driver's windows (Flush Window), sliding, pivot and hopper windows, pressure-tight versions with two sealing levels.
Emergency exit windows
Emergency exit windows and emergency exit glass for vehicles where every second counts in operation.
Testing to your specification
In our own test centre: tightness, wind load, endurance, vibration to DIN EN 61373, soft body impact, sound insulation – to standard or based on your specification.
In-house design
Design department, functional specifications based on your requirement specifications, prototype building and component testing through to final acceptance – medium-sized, with short decision paths.
Why Cleff for defence logistics and emergency vehicles
Since 1935 we have manufactured windows and doors for vehicles that must work reliably under harsh conditions – from rail vehicles to snow groomers, mining excavators and fire engines. We bring this experience with corrosion resistance, fire safety requirements, pressure tightness and endurance loads into every project for light, unarmoured defence logistics and troop transport vehicles.
As a certified supplier (DIN EN ISO 9001:2015, DIN EN ISO 14001:2015, welding to DIN EN 15085-2 CL1, bonding to DIN EN 17460) with in-house design and extensive vertical manufacturing, we deliver small and large quantities on schedule from Wuppertal – and keep spare parts available for the entire service life.
Frequently asked questions
FAQ: windows and doors for defence logistics and troop transport vehicles
Does Cleff supply armoured versions or armoured glass?
No. Cleff does not process steel and does not supply armoured vehicles or armoured glass. Our offering in this area covers windows, doors and functional glazing (toughened, laminated, insulated, emergency exit glass, heated glass) for light, unarmoured defence logistics and troop transport vehicles.
Can windows and doors be tested to our specification?
Yes. The Cleff test centre carries out tests to standard or based on your individual requirements, e.g. tightness, wind load, endurance, vibration and soft body impact. Contact us with your requirement.
Where are the products manufactured?
Development, design, manufacturing and testing take place at our site in Wuppertal, Germany.
Does Cleff also produce small series and one-offs?
Yes. As a medium-sized system supplier we realise small and large quantities – custom-designed and, on request, as a complete system with attachments and logistics.
Project enquiry defence logistics & troop transport
Please send us your requirement – a requirement specification or drawing is welcome. Confidential enquiries are treated accordingly.

Logistics and transport vehicles
Glazing and doors for light, unarmoured vehicles.
We supply window and door systems for light logistics and troop transport vehicles. Ballistic requirements and protection classes are not part of our scope of supply.