Donly - Gearboxes Repaired and Replaced

We do Both.

Replacement Gearboxes

Specialising in the replacement of high quality industrial Gearboxes.

3 Year

We proudly offer 3 Year warranty on all Products.

Full Load

Independent witnessing with full documentation.

Geabox Applications


We represent the complete Donly range of standard Bevel and Helical Gearboxes nationwide. As part of our complete Gearbox solution, we can also provide full load testing with detailed reports as well as customer witness of testing.



Our mission is to solve Industrial Gearbox problems economically and efficiently which occur on many applications.

Identical Gearbox Replacement

We understand Gearbox maintenance issues and solve them for less cost.

Equipment, Measurement & Testing

New Gearboxes manufactured using the latest CNC machine tools, & laboratory measurement.

New Gearbox with Identical external Dimensions

No need to alter existing foundations or steel work.

Gearbox Full Load Testing

Independent Inspection Reports on all Gearboxes supplied.

Our Catalogue Products

01. Geared Motors

The Geared Motor range features a very large scope of configurations.

02. Parallel Shaft Helical Gearbox

A modular design based on the DIN Standard.

03. Bevel Helical Right-Angle Gearbox

Fitted with grease purged labyrinth seals for ultimate protection.

04. Planetary Gearbox

Extremely reliable in a broad range of industrial applications.

Contact Donly Today

The team at Donly Engineering are here to answer any enquiries.