Knorr-Bremse cuts cleaning times by 77%
Learn how Knorr-Bremse and Safetykleen came together to work on a new surface treatment machine solution to deliver significant productivity improvement and outstanding cleaning results.
Read the case study
Working with our experts, you’ll save energy and chemicals – improving sustainability, safety, and costs.
Safetykleen reduced the cleaning cycle from 30 minutes down to 7 minutes! Cleaning is now more efficient and has significantly less environmental impact.
Knorr-Bremse
Every day, our customers clean components for vehicles that include:
Buses
Charter vehicles
Coaches
Metros
Minibuses
Shuttles
Taxis
Trams
Here’s a sample of the cleaning challenges Safetykleen parts washers solve most often for passenger transport engineers.
| Vehicle System | Parts | Contaminants |
| Braking | Air brake systems | Moisture, oil, particulates, residue |
| Brake discs | Carbon, dust, heat residue, rust | |
| Brake housings | Brake dust, dirt, oil residue, rust | |
| Brake pads | Carbon, debris, dust, metal particles | |
| Calipers | Brake fluid, corrosion, dust, grease | |
| Electrical and controls | Connectors | Dust, moisture, oxidation, residue |
| Control units | Dust, moisture, oxidation, residue | |
| Wiring harnesses | Corrosion, dirt, moisture, oil | |
| Engine and powertrain | DPF units | Ash, carbon buildup, residue, soot |
| Engines | Carbon deposits, oil, residue, sludge | |
| Exhaust systems | Ash, carbon, heat deposits, soot | |
| Fuel systems | Carbon, diesel residue, dirt, varnish | |
| Injectors | Carbon, fuel deposits, particulates, residue | |
| HVAC and pneumatics | Air filters | Debris, dust, particulates, pollen |
| Compressors | Moisture, oil, particulates, residue | |
| Pneumatic lines | Dirt, moisture, oil, particulates | |
| Suspension and chassis | Chassis frames | Corrosion, dirt, oil, salt residue |
| Mountings | Dirt, grease, rust, wear debris | |
| Shock absorbers | Dirt, dust, moisture, oil residue | |
| Springs | Corrosion, debris, dirt, road salt | |
| Suspension arms | Corrosion, dirt, grease, road debris | |
| Transmission and drivetrain | Bearings | Grease, metal particles, oil sludge |
| Couplings | Dirt, grease, residue, wear particles | |
| Differentials | Metal wear, oil, residue, sludge | |
| Drive shafts | Corrosion, debris, dirt, grease | |
| Gearboxes | Grease, metal particles, oil, sludge |
Electric power. Hydrogen. Biofuels. New technologies bring unfamiliar, complex, and sensitive parts. Safetykleen experts have the experience to support you at every step with advice on non-abrasive techniques like ultrasonic cleaning.
Your technicians should be maintaining machines for production, not the parts washer itself. That’s why our pricing includes regular, expert maintenance as standard – with 99% uptime guaranteed.
Low-temperature, low-VOC cleaning immediately improves your risk assessment. 70% of Safetykleen chemistry is aqueous, reducing the need for dangerous solvents. Our experts will guide you through the safest approach for your parts cleaning needs.
Let us handle the effort and cost of meeting the Waste Framework Directive for your used cleaning chemistry. We process more than 80 million litres of used cleaning solution a year – with all the documentation covered. It’s included in your monthly service fee.

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Safetykleen’s fully integrated service covers every aspect of parts cleaning. From machinery and chemistry to waste management and compliance.
Our parts washers are engineered for powerful, consistent cleaning across the most demanding jobs. They remove contaminants faster while reducing chemical use, waste and operational costs.
Our advanced cleaning fluids cut through tough contaminants fast while being sustainable, gentle and lowering environmental impact.
We’ll match the right chemistry to your process and regulations.
No one wants to stop work while they wait for their parts washer to be fixed.
That’s why we provide routine servicing and on-site repair as standard. Our team are available to call 24 hours a day for anything else.
Our waste removal service ensures the safe handling, transport and disposal of used cleaning fluid and hazardous materials, helping you stay compliant and audit-ready.
Our compliance expertise spans machines, chemistry, fleet, and waste, ensuring every part of your cleaning process is safe, efficient, and aligned with current regulations.
You need a combination of washer, chemistry, and processes that’s tailored to your cleaning challenge, and your shop floor.
Chat with one of our experts, and we’ll:
Our experts will show you how to improve performance, cost, safety and sustainability — with no obligation.