| Type |
Parts |
Contaminants |
| Engine and combustion systems |
Cooling system components |
Biofilm, coolant residues, scale, sludge |
| Crankshafts and camshafts |
Carbon deposits, metal fines, oil sludge |
| Cylinder heads and blocks |
Carbon deposits, coolant scale, gasket residues, oil sludge |
| Diesel particulate filter (DPF) components |
Ash deposits, carbon soot, fuel residues |
| EGR valves and coolers |
Carbon deposits, oil vapour residues, soot |
| Fuel injectors and common rail components |
Carbon build-up, lacquered fuel residues, varnish |
| Oil coolers and heat exchangers |
Biofilm, coolant residues, oil sludge, scale |
| Turbocharger assemblies |
Carbon deposits, oil coking, soot |
| Hydraulic systems |
Boom and ram assemblies |
Hydraulic fluid, ingressed dirt, oxidation products |
| Hydraulic cylinders and rams |
Hydraulic fluid, ingressed dirt, seal residues |
| Hydraulic pump and motor housings |
Hydraulic fluid, metal fines, varnish deposits |
| Steering and control valve assemblies |
Hydraulic fluid, metal fines, varnish deposits |
| Drivetrain and transmission |
Axles, differentials and transfer cases |
Gear oil, metal wear particles, sealant residues |
| Final drive assemblies |
Gear oil, metal wear particles, seal residues |
| Transmission and torque converter housings |
Metal wear particles, oil sludge, seal residues |
| Lifting, slewing, and winching |
Counterweight and ballast hardware |
Corrosion products, grease, surface coatings |
| Slew and hoist gearbox internals |
Gear oil, metal wear particles, sealant residues |
| Slew ring and swing drive components |
Grease, metal wear particles, oxidation products |
| Winch drums and brake assemblies |
Grease, metal wear particles, oxidation products |
| Brakes and undercarriage |
Brake calipers and actuators |
Brake dust, corrosion products, hydraulic fluid |
| Track and undercarriage components |
Compacted mud, grease, metal wear particles, oxidation products |
| Paving and compaction |
Asphalt screed plates and tamper bars |
Bitumen, carbon deposits, release agent residues |
| Compactor drum bearings and housings |
Grease, ingressed dirt, metal wear particles |
| Vibration mechanism assemblies |
Grease, metal wear particles, oil residues |