Earth Moving Equipment Spares

Engine parts & Spares

New | Used | reconditioned

Yellow Equipment Spares

Earth-moving equipment or Yellow plant as it is often referred to, such as bulldozers, excavators, and loaders, are vital pieces of equipment to the operations of construction, mining, and infrastructure development cmpanies. The engines powering a number of the brands of these machines are Cummins engines as well as Forklift & Generator Engines and we are able to provide spares for these engines as well as the OEM spares and reconditioned/rebuilt spares for machinery that uses their own engines. The engine in each machine needs regular servicing and parts replaced to ensure that it runs optimally. The use of high-quality parts is crucial to ensuring their longevity and optimal performance. Original Equipment Manufacturer (OEM) parts are engineered specifically for these engines, and their importance cannot be overstated and should be your first option. In this article, we will delve into the significance of using OEM parts for earth-moving equipment engines, highlighting the different engine components and their expected lifespan. New OEM parts are not always available and in those cases we are able to recondition or remanufacture parts for these engines.

For mobile crane spares we offer our associated supplier specialising in mobile crane parts that services South and Southern Africa.

engine parts

Brands include

JCB yellow equipment

JCB Machinary – Articulated dump trucks (ADT), Tractor loader backhoe (TLB), Generators, Telescopic handlers (Telehandlers), Excavators. Excavator engine spares.

Doosan Machinary

Articulated dump trucks (ADT), Wheel loaders, Tracked excavators

Komatsu Yellow machinary

Dozers, Excavators, Graders, Rigid Dump Trucks (RDT’s), Articulated dump trucks (ADT), Backhoe loader, Skid steer

Hitachi Construction Machinary

Mini Excavators, Wheeled Excavators, Tracked excavators, Wheel loaders and Dump Trucks

Luigong Equipment

Bulldozers, Skid Styeers, Motor Graders, Rollers, Wheel loaders, Backhoe Loaders

We have new OEM spares, reconditioned spares and remanufactered spares for most brands of yellow machinary that use Cummins engines. Large industrial generatyors manufactured by Cummins and many other generator brands use Cummins motors and hence we are able to supply spares for these engines.

Call is, we are always will to help or point you in the right direction.

Why OEM Parts Matter

In industries that are spending many Millions on equipment to run their operations, the longevity of the machinary is a vital consideration. Replacing worn or damaged earthmoving equipment parts is without doubt the prudent thing to do. In the event that New OEM parts are not immediately available, reconditioning or remanufacturing the part is the second option.

Engine Performance

OEM parts are designed and manufactured to meet the exact specifications of the engine manufacturer. This ensures that they fit seamlessly and work harmoniously with the engine, resulting in optimal performance. Using non-OEM parts may lead to decreased engine efficiency and power output. Use of fuel can also be effected when non OEM parts are used.


Earth-moving equipment operates in harsh and demanding conditions, and reliability is paramount. Every hour that a piece of yellow machinary is not operating optimally costs the Company money and each piece effects the operation of other machines. For example, if an excavator stops working, the Dump trucks that it loads will stand or operate at lesser capacity. OEM parts are rigorously tested to withstand the harsh conditions, providing consistent and reliable performance. Non-OEM parts may not be able to handle the same level of stress, leading to frequent breakdowns and costly downtime.

Warranty Considerations

Many manufacturers offer warranties on their equipment that can be voided if non-OEM parts are used or service/maintenance intervals are missefd. Using OEM parts ensures that your warranty remains intact, which can save you money on repairs and replacements.


Different Engine Parts and Their Expected Lifespan

Engine Blocks

The engine block is the core component of the engine, housing the cylinders and other vital parts. OEM engine blocks are built to endure the rigors of heavy-duty use and can have a lifespan of 15,000 to 20,000 hours of operation.

Pistons and Rings

These components are critical for combustion within the engine. OEM pistons and rings are designed to withstand high levels of heat and pressure, lasting approximately 10,000 to 15,000 hours.

Cylinder Heads

The cylinder head houses the valves, and using OEM cylinder heads ensures proper sealing and cooling. They typically last for 12,000 to 18,000 hours.


The crankshaft converts the reciprocating motion of the pistons into rotational motion. OEM crankshafts are built to handle significant stress and can last between 20,000 and 25,000 hours.


The camshaft controls the opening and closing of the engine’s valves. OEM camshafts are precision-engineered to function flawlessly for approximately 15,000 to 20,000 hours.


Engine bearings support the moving parts and reduce friction. High-quality OEM bearings can last for 10,000 to 15,000 hours.

Gaskets and Seals

These components are crucial for preventing leaks and maintaining the engine’s integrity. OEM gaskets and seals typically last for 8,000 to 12,000 hours.

Fuel System Components

Parts such as fuel injectors and pumps are vital for efficient combustion. Using OEM components can extend their lifespan to 10,000 to 15,000 hours.

Cooling System

Radiators, hoses, and water pumps keep the engine temperature in check. OEM cooling system components can perform reliably for 10,000 to 15,000 hours.

The importance of using OEM parts for earth-moving equipment engines cannot be overstated. These parts are engineered to meet the specific requirements of the equipment manufacturer, ensuring optimal performance and reliability. Using OEM parts also helps maintain equipment warranties and prevents costly breakdowns. Understanding the expected lifespan of different engine components is essential for effective maintenance and planning. By investing in high-quality, OEM parts, operators can keep their earth-moving equipment engines running smoothly for many hours, ultimately reducing downtime and maximizing productivity.

Contact Earthmovers

Tel: 010 300 0287


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