Groundworks Sector
Get reliable groundworks hydraulics repairs from the experts at CJ Plant. From pumps to motors, when your hydraulics let you down, we can help.
We’re experienced with more than 20 different brands and provide thorough testing and a 12-month warranty on all repairs.
Experience with over 20+ brands

























All our work comes with a 12-month warranty
Hydraulic Pump and Motor Repairs in the Groundworks Sector
At CJ Plant, we offer turnkey repairs for all kinds of hydraulic pumps and motors. We begin with a free cleaning and diagnosis before repairing any faulty components, refinishing mounting surfaces, replacing seals and testing your equipment.
Our groundworks hydraulic repairs are designed to get your equipment up and running again as quickly as possible. We include comprehensive component testing using an in-house rig and a comprehensive repairs warranty for peace of mind.
Why Hydraulic Repairs Are Essential for the Groundworks Sector
From excavators and diggers to compactors and augers, hydraulics are everywhere in the groundworks sector. They’re a crucial part of day-to-day work. When these tools fail due to damaged pumps or motors, it can cause serious disruptions, knock-on effects and high costs.
Speedy, reliable pump and motor repairs are crucial to getting hydraulic equipment up and running again, minimising downtime and keeping your project on schedule.
We strip and inspect all hydraulic units FREE of charge
Our Process
Contact us to arrange a quote when your plant and machinery is down, you need a solution fast. We can provide rapid pick up, evaluation, diagnosis, and accurate quote to get you up and running in the quickest possible time. Our professional team are skilled in all aspects of hydraulic repair, rebuilding and maintenance and pride ourselves on helping our clients minimise their downtime and any interruption to their operations.
All units received into the workshop are cleaned before being stripped. One of our skilled engineers will then carefully dismantle and inspect your unit free of charge.
Our inspection is followed up with comprehensive findings report and competitive no obligation quote for any required work.
As part of the repair process, all damaged and worn parts will be replaced, along with all bearings and seals. Mating faces will be reworked, and the unit will be thoroughly cleaned before being rebuilt back to OEM specifications. As standard, any unit received with fittings will be returned to customers cleaned and all O-rings will be replaced.
The unit will then be tested on our custom-built test rig. Our test rig has been designed specifically for purpose and has the flexibility to test the majority of products available.
What Our Clients Say
Why Choose CJ Plant?
CJ Plant is the UK’s best choice for groundworks hydraulic repairs, backed by a wealth of sector-specific experience and an expert team.
2+ decades of experience
Work with over 20 different equipment brands
Free breakdown and inspection
12-month warranty on all repairs
Expert engineers
In-house testing rig
Frequently Asked Questions
A wide variety of hydraulic pumps and motors are used in the groundworks industry, including:
- Gear pumps
- Piston pumps
- Vane pumps
- Variable displacement pumps
- Swivel joints
- Final drives
- Gear motors
- Orbital motors
- Piston motors
- Radial piston motors
Each type has its own set of common failures and requires a unique repair procedure. At CJ Plant, we can handle all types of groundworks hydraulic repairs.
Hydraulic pumps in groundworks machinery can fail for a number of reasons, such as:
- Contaminated or incorrect hydraulic fluid
- Low fluid levels
- Overheating
- Cavitation
- Blocked filters
- Excessive pressure or overloading
- Poor maintenance
- Worn seals and hoses
- Improper installation
Whatever the cause of your hydraulic pump or motor failure, we can diagnose the fault and address it quickly. Learn more about hydraulic pump and motor failure in our blog.
At CJ Plant, we conduct repairs on all types of hydraulic groundworks machinery. We specialise in hydraulic pump and motor repairs and can repair components related to:
- Excavators
- Diggers
- Breakers
- Dumpers
- Pile drivers
- Compactors and rollers
- Augers
- Grab attachments and clamps
- Trenchers
We do. We conduct groundworks hydraulic repairs on equipment from a long list of manufacturers, including JCB, Liebherr, Linde, Caterpillar, Komatsu and more. To check whether we can repair your equipment, you can call our team now on 01527 870 793.



