Fuhr 855 Key Winder Type 1 Replacement Gearbox

Replacement centre gearbox for a matching Fuhr 855 Type 1 key-operated multipoint door lock. Replace a worn centre case when the rest of your locking mechanism is serviceable.

Choose the correct backset

This product range has 28mm, 35mm and 45mm backsets. Measure from the front faceplate position to the centre of the handle spindle and select the matching size. The versions are not interchangeable.

45mm gearbox dimensions

• Backset: 45mm
• Spindle-to-cylinder centres (PZ): 92mm
• Case height: 211mm
• Case depth: 60mm

The product photographs show the 45mm version. The case dimensions above apply to that version only.

Check compatibility

Compare the case shape, latch, fixing points and connections with your existing gearbox before ordering. Use the measurement diagram to check the backset.

Supplied as gearbox only. Cylinder, keys, fixing screws and the full multipoint lock strip are not included.