Diesel Engines for Heavy Equipment | Local & Imported Engines – Nkokhi Group

New | Used | Reconditioned | Remanufactured Diesel Engines | Local & Import Supply

Nkokhi Group specialises in the sourcing and supply of diesel engines for heavy equipment in South Africa, offering local and imported engine solutions for earthmoving machinery, mining equipment, construction machinery, agricultural equipment, industrial machinery, generators, and commercial applications.

We assist customers in sourcing new, used, reconditioned, and remanufactured diesel engines from established manufacturers and international suppliers. Whether you require a complete replacement engine, a tested used engine, a reconditioned power unit, or a remanufactured engine assembly, our team can assist with identifying suitable options according to your machine model, engine serial number, and application requirements.

From Caterpillar and Komatsu to Cummins, Perkins, Volvo Penta, Weichai, Deutz, and other leading engine manufacturers, Nkokhi Group helps customers source diesel engines for demanding operating environments across South Africa.

Looking for a diesel engine for sale in South Africa? Contact Nkokhi Group with your engine details for sourcing assistance and a quotation.

Diesel Engines for Sale in South Africa

Finding the correct diesel engine for heavy equipment requires more than matching the engine brand. Compatibility depends on the engine model, serial number, power rating, emissions configuration, mounting arrangement, cooling system, fuel system, electronic control system, and the machine in which it will be installed.

Nkokhi Group assists customers with sourcing diesel engines for:

• Earthmoving and yellow plant machinery
• Mining and quarrying equipment
• Wheel loaders and front-end loaders
• Excavators and crawler dozers
• Articulated dump trucks and rigid haul trucks
• Motor graders and road construction machinery
• Agricultural tractors and harvesting equipment
• Industrial machinery and production equipment
• Diesel generators and standby power systems
• Marine and auxiliary power applications
• Commercial and heavy-duty industrial vehicles

Our sourcing approach focuses on identifying an engine that meets the customer’s technical requirements, operating conditions, budget, and delivery expectations.

New, Used, Reconditioned & Remanufactured Diesel Engines

Nkokhi Group offers sourcing assistance for different diesel engine conditions to accommodate a variety of operational and budget requirements.

New Diesel Engines

New diesel engines are suitable for customers requiring an unused engine assembly for a new machine, an engine replacement, or a major equipment rebuild.

Depending on availability, we can assist with sourcing new engines from local distributors or international manufacturers and suppliers.

Suitable applications include:

• New machinery and equipment projects
• Complete engine replacements
• Mining and construction fleet maintenance
• Industrial machinery installations
• Generator and auxiliary power applications

When sourcing a new engine, confirm whether the quoted unit is a complete engine or a basic engine assembly supplied without accessories.

Used Diesel Engines

Used diesel engines provide an alternative for customers seeking a replacement engine at a potentially lower initial purchase cost.

Depending on availability, sourcing options may include engines removed from machinery, surplus stock, or previously operated engine assemblies.

Before purchasing a used diesel engine, customers should establish its operating history, hours where available, serial number, completeness, physical condition, and testing status.

Where possible, request supporting inspection records, oil analysis results, compression or leak-down test results where applicable, and documentation of any previous repairs.

Reconditioned Diesel Engines

Reconditioned diesel engines have undergone repair or refurbishment to address identified wear, faults, or component damage. The scope of work varies between suppliers and individual engines.

Reconditioning may include:

• Cylinder head inspection and repairs
• Crankshaft inspection and machining where required
• Cylinder block inspection
• Piston, liner, ring, and bearing replacement where necessary
• Fuel injection system inspection
• Oil pump and lubrication system inspection
• Cooling system component inspection
• Replacement of seals and gaskets
• Engine assembly and operational testing, where included in the agreed scope

Always confirm which components have been replaced, which have been reused, what measurements were taken, and what warranty applies.

Remanufactured Diesel Engines

Remanufactured diesel engines are rebuilt through a defined process intended to restore the engine to specified technical and performance standards.

Depending on the manufacturer or remanufacturing facility, this process may include complete disassembly, cleaning, detailed inspection, machining, replacement of specified components, assembly, calibration, and testing.

Remanufactured engines may be suitable for mining, construction, earthmoving, and industrial equipment where reliability and reduced downtime are important.

Important: Reconditioned and remanufactured are not interchangeable terms. Always request a written scope of work and confirmation of the applicable technical standards, testing procedures, and warranty conditions.

Diesel Engine Models for Heavy Equipment

Nkokhi Group assists customers with sourcing diesel engines across various manufacturers and model families. Availability depends on the engine model, serial number, specification, condition, and supplier stock.

1. Caterpillar Diesel Engines

Caterpillar diesel engines are widely used in earthmoving, mining, construction, industrial, and power generation applications.

Engine models and families we can assist with sourcing include:

• Caterpillar 3054 and 3056 engine families
• Caterpillar C4.4 diesel engines
• Caterpillar C6.6 diesel engines
• Caterpillar C7 and C7.1 engines
• Caterpillar C9 and C9.3 engines
• Caterpillar C13 and C15 engines
• Caterpillar C18 engines
• Caterpillar 3406 engine family
• Caterpillar 3412 engine family
• Caterpillar 3508B engines

Applications include Caterpillar excavators, wheel loaders, bulldozers, motor graders, articulated dump trucks, generators, and other heavy-duty machinery.

2. Komatsu Diesel Engines

Komatsu diesel engines are used in mining, construction, earthmoving, and material-handling equipment.

Engine families we can assist with sourcing include:

• Komatsu SAA4D series
• Komatsu SAA6D series
• Komatsu SAA6D107 engines
• Komatsu SAA6D114 engines
• Komatsu SAA6D125 engines
• Komatsu SAA6D140 engines
• Komatsu SAA6D170 engines

Applications include Komatsu PC-series excavators, WA-series wheel loaders, D-series bulldozers, and selected mining and haulage equipment.

Engine identification should be verified against the machine serial number and the engine’s full identification plate.

3. Cummins Diesel Engines

Cummins diesel engines are used across construction, mining, industrial power, generator, and commercial applications.

Engine models and families include:

• Cummins 4BT and 6BT
• Cummins 6CT and 6CTA
• Cummins QSB series
• Cummins QSC series
• Cummins QSL9
• Cummins QSM11
• Cummins QSX15
• Cummins ISB and ISC families
• Cummins ISL and ISX families

Availability and compatibility depend on the exact engine configuration, power rating, fuel system, emissions specification, and intended application.

4. Perkins Diesel Engines

Perkins engines are used in industrial equipment, generators, agricultural machinery, construction machinery, and auxiliary power applications.

Engine families include:

• Perkins 400 Series
• Perkins 800 Series
• Perkins 1100 Series
• Perkins 1200 Series
• Perkins 1300 Series
• Perkins 1500 Series
• Perkins 2000 Series
• Perkins 2500 Series

We can assist with sourcing suitable replacement engines and engine assemblies, subject to model identification and availability.

5. Volvo Penta Diesel Engines

Volvo Penta diesel engines are commonly associated with marine propulsion, auxiliary power, and industrial applications.

Selected engine families include:

• Volvo Penta D4
• Volvo Penta D6
• Volvo Penta D8
• Volvo Penta D9
• Volvo Penta D11
• Volvo Penta D13
• Volvo Penta industrial and auxiliary engine variants

The correct application specification must be established before an engine is selected, especially when comparing marine and industrial versions.

6. Volvo Industrial Diesel Engines

Volvo industrial diesel engines are used in selected heavy equipment and industrial applications.

Engine families include:

• Volvo D5
• Volvo D6
• Volvo D7
• Volvo D8
• Volvo D9
• Volvo D11
• Volvo D12
• Volvo D13
• Volvo D16

Engine designations and specifications differ by application and generation. Machine serial number verification is recommended before ordering a replacement.

7. Weichai Diesel Engines

Weichai diesel engines are used in construction machinery, industrial equipment, generators, commercial vehicles, and various heavy-duty applications.

Engine families include:

• Weichai WP4
• Weichai WP6
• Weichai WP7
• Weichai WP10
• Weichai WP12
• Weichai WP13
• Weichai WP15
• Weichai WD615

We assist customers with sourcing engines and related components according to the required model and technical specification.

8. Deutz Diesel Engines

Deutz diesel engines are used in construction machinery, agricultural equipment, industrial applications, and compact power units.

Selected engine families include:

• Deutz 2011 Series
• Deutz 2012 Series
• Deutz 2013 Series
• Deutz TCD 2.9
• Deutz TCD 3.6
• Deutz TCD 4.1
• Deutz TCD 6.1
• Deutz TCD 7.8

Confirm the exact engine variant, emissions configuration, and equipment application when sourcing a replacement.

9. Other Diesel Engine Manufacturers

Depending on customer requirements and supplier availability, Nkokhi Group can also assist with sourcing engines from other manufacturers, including:

• Isuzu: Industrial diesel engines and selected machinery applications.
• Yanmar: Compact industrial and equipment diesel engines.
• Mitsubishi: Industrial diesel engines and heavy-duty power applications.
• Hino: Selected commercial and industrial diesel engine applications.
• John Deere: Agricultural, industrial, and off-highway diesel engines.
• Liebherr: Specialist engines for selected construction and mining machinery.
• JCB: Diesel engines for applicable construction and earthmoving machinery.
• FPT Industrial: Industrial, construction, agricultural, and power generation engines.
• Baudouin: Industrial and power generation diesel engines.
• Doosan: Selected industrial and heavy equipment engine applications.
• Isuzu Industrial: Engines for suitable industrial and off-highway equipment.

All models and brands are subject to technical verification and supplier availability. Inclusion on this page does not imply that Nkokhi Group is an authorised dealer for every manufacturer.

Diesel Engines for Earthmoving & Yellow Plant Machinery

Heavy equipment engines operate under demanding conditions, including high ambient temperatures, dusty environments, heavy loads, long operating hours, and continuous duty cycles.

Nkokhi Group assists customers in sourcing replacement diesel engines for a range of yellow plant machinery.

Wheel Loader Engines

We assist with engine sourcing for wheel loaders used in mining, quarrying, construction, aggregate handling, and bulk material handling.

Common equipment brands include Caterpillar, Komatsu, Volvo, Bell, SEM, Hyundai, Doosan, and LiuGong.

Excavator Engines

Replacement diesel engines may be required following engine failure, excessive wear, overheating, oil pressure problems, or major internal damage.

We assist with sourcing options for Caterpillar, Komatsu, Hitachi, Volvo, Doosan, Hyundai, Kobelco, JCB, and other excavator brands.

Bulldozer Engines

Bulldozers operate under heavy loads and challenging ground conditions. Selecting the correct replacement engine is essential for maintaining machine performance and compatibility.

We assist with engine sourcing for selected Caterpillar, Komatsu, Shantui, and other bulldozer applications.

Articulated Dump Truck Engines

Articulated dump trucks used in mining, quarrying, and construction require suitable engines capable of supporting demanding load cycles.

We assist with identifying replacement engine options for selected Volvo, Bell, Caterpillar, and other articulated dump truck applications.

Mining Equipment Engines

Mining machinery requires careful attention to engine specification, duty cycle, cooling capacity, fuel system configuration, and electronic controls.

We assist with sourcing engine solutions for suitable underground and surface mining equipment, subject to technical requirements and availability.

Local & Imported Diesel Engine Supply in South Africa

Nkokhi Group supports customers seeking locally sourced and imported diesel engines.

Locally Sourced Diesel Engines

Local sourcing may offer advantages where an engine is available within South Africa and the supplier can provide suitable documentation, inspection information, and delivery arrangements.

Potential benefits include:

• Reduced international shipping requirements
• Easier physical inspection, where permitted
• Potentially shorter delivery lead times
• Easier communication with the supplier
• Simplified collection or local delivery arrangements

Actual availability, delivery times, and inspection options must be confirmed for each order.

Imported Diesel Engines

Where a suitable engine is not available locally, importing may provide access to a broader range of engine models, conditions, and configurations.

We can assist with sourcing enquiries involving international suppliers, including options from China, Europe, and other markets, subject to availability.

Before proceeding with an imported engine, confirm:

• The complete engine model and serial number
• Whether the engine is new, used, reconditioned, or remanufactured
• The country of origin and dispatch location
• Whether the price includes international freight
• Whether import duties, VAT, customs clearance, and local delivery are included
• The estimated lead time
• The warranty and after-sales support arrangements
• The availability of replacement parts and technical documentation

Import costs and delivery times vary according to the engine, supplier, shipping method, customs requirements, and destination.

Complete Diesel Engines & Engine Assemblies

Depending on the required specification, customers may need a complete running engine or a more basic engine assembly.

Nkokhi Group can assist with identifying the required supply configuration.

Complete engine: May include the engine block, cylinder head, fuel system, turbocharger, alternator, starter motor, sensors, wiring, and other accessories, depending on the quoted specification.

Long engine: Generally refers to a more complete internal engine assembly, but the exact inclusions vary between suppliers.

Short engine: Generally consists of the main lower engine assembly, with the cylinder head and external components often excluded.

Bare engine or basic engine assembly: May exclude fuel system components, turbocharger, alternator, starter motor, electronic controls, and other accessories.

Engine with ECU or ECM: May include the electronic engine control module, but software, calibration, wiring harnesses, and machine integration may be separate.

Always request a written list of inclusions and exclusions before placing an order.

Diesel Engine Parts & Related Components

If a complete engine replacement is unnecessary, Nkokhi Group can also assist with sourcing diesel engine components and related parts.

Product categories may include:

• Cylinder blocks
• Cylinder heads
• Pistons and piston rings
• Cylinder liners
• Crankshafts
• Camshafts
• Connecting rods
• Main bearings and conrod bearings
• Oil pumps
• Water pumps
• Fuel injection pumps
• Diesel injectors
• Common rail fuel system components
• Turbochargers
• Engine overhaul gasket sets
• Engine overhaul kits
• Alternators
• Starter motors
• Engine sensors
• Engine wiring harnesses
• ECU and ECM modules
• Radiators and cooling system components
• Oil coolers
• Flywheels and flywheel housings

Parts availability depends on the engine manufacturer, model, serial number, and specification.

Why Source Diesel Engines Through Nkokhi Group?

Nkokhi Group (Pty) Ltd has been established since 2016 and assists customers with sourcing heavy equipment components and industrial products.

Our approach focuses on helping customers identify suitable products for their operational requirements.

Our service offering includes:

• Sourcing assistance for new, used, reconditioned, and remanufactured diesel engines
• Local and international supplier enquiries
• Assistance with engine model and serial number identification
• Sourcing for earthmoving, mining, construction, and industrial equipment
• Enquiries for complete engines and engine assemblies
• Assistance with sourcing related engine components
• Quotation support based on available technical information
• Supply arrangements for customers across South Africa

We understand that engine downtime can affect production, fleet availability, and project schedules. Providing accurate identification details at the start of the sourcing process helps reduce the risk of ordering an incompatible engine.

How to Request a Diesel Engine Quotation

To help us identify a suitable engine, provide as much of the following information as possible:

1. Machine manufacturer: Caterpillar, Komatsu, Volvo, Bell, SEM, or another brand.
2. Machine model: The exact model designation.
3. Machine serial number: Required to verify the original engine specification.
4. Engine manufacturer: For example, Cummins, Perkins, Caterpillar, Weichai, or Deutz.
5. Engine model: The full model designation from the identification plate.
6. Engine serial number: Essential for checking configuration and compatibility.
7. Engine condition required: New, used, reconditioned, or remanufactured.
8. Supply configuration: Complete engine, long engine, short engine, or basic assembly.
9. Photographs: Clear images of the engine plate, engine, accessories, and mounting arrangement.
10. Delivery location: Your town, province, or delivery address in South Africa.

If the engine identification plate is missing or unreadable, provide the machine model, machine serial number, and photographs of the existing engine.

Our team can use the available information to assist with a sourcing enquiry and quotation.

Tips for Buying Diesel Engines for Heavy Equipment

Buying the correct diesel engine is essential for avoiding costly compatibility problems and unnecessary equipment downtime.

1. Verify the Engine Serial Number

Do not rely on the machine model alone. Machines of the same model may use different engine versions depending on their year of manufacture, serial number range, power rating, or market specification.

2. Confirm the Complete Engine Specification

Check the engine model, rated power, rated speed, fuel system, emissions configuration, cooling arrangement, and electronic control system.

3. Establish the Engine’s Condition

For used engines, ask about operating hours, previous applications, maintenance history, and known faults.

For reconditioned or remanufactured engines, request details of the work performed and the components replaced.

4. Check What Is Included

A low-priced engine may exclude the turbocharger, injectors, fuel pump, ECU, alternator, starter motor, wiring harness, or other components.

Compare quotations using the same supply configuration.

5. Ask About Testing

Depending on the engine type and condition, relevant checks may include compression testing, cylinder leak-down testing, oil pressure verification, fuel system checks, electronic diagnostics, and a running test.

For an engine supplied without accessories or in a non-running condition, confirm which tests were possible.

6. Confirm the Warranty

Request written warranty terms, including the duration, exclusions, installation requirements, approved lubricants and filters, and procedures for making a claim.

7. Consider the Total Cost

Compare the engine price, transport, import costs, customs clearance, installation, fluids, filters, programming, commissioning, and any required accessory transfers.

The lowest purchase price does not always represent the lowest overall replacement cost.

8. Plan for Installation and Commissioning

Before installing the replacement engine, inspect associated systems such as the radiator, cooling circuit, oil cooler, air intake, exhaust, fuel supply, electrical harness, and engine mounts.

Identify and correct any underlying fault that may have caused the original engine failure.

9. Confirm ECU and ECM Compatibility

Electronically controlled engines may require compatible control modules, software, calibration, immobiliser settings, or machine-specific integration.

Confirm these requirements before purchasing the engine.

10. Obtain Written Confirmation Before Ordering

Ensure that the quotation clearly identifies the engine model, serial number where available, condition, included components, price, delivery terms, warranty, and estimated lead time.

Frequently Asked Questions About Diesel Engines

1. Where can I buy diesel engines for heavy equipment in South Africa?

Nkokhi Group assists customers with sourcing diesel engines for earthmoving machinery, mining equipment, construction machinery, industrial equipment, and other heavy-duty applications. Contact us with your machine model and engine details for a quotation.

2. Does Nkokhi Group supply new and used diesel engines?

We assist with sourcing new and used diesel engines, as well as reconditioned and remanufactured options, depending on supplier availability and the required specification.

3. Can you source imported diesel engines?

Yes. We can assist with sourcing enquiries for imported engines when suitable local stock is unavailable or when an international option better matches the customer’s requirements. Availability, freight, import costs, and lead times must be confirmed.

4. Which diesel engine brands can you source?

Depending on availability, we can assist with sourcing Caterpillar, Komatsu, Cummins, Perkins, Volvo, Volvo Penta, Weichai, Deutz, John Deere, Isuzu, Mitsubishi, Yanmar, FPT Industrial, Baudouin, and other engine brands.

5. Can you supply a complete engine for a Caterpillar or Komatsu machine?

We can assist with sourcing complete replacement engines for selected Caterpillar and Komatsu equipment. Provide the machine model, machine serial number, engine model, and engine serial number to help establish compatibility.

6. Do you supply engines for SEM wheel loaders?

We can assist with sourcing enquiries for engines used in selected SEM wheel loaders and other SEM machinery. The exact machine model, serial number, and engine identification details are required to confirm the correct specification.

7. What is the difference between a reconditioned and remanufactured engine?

A reconditioned engine has undergone repair or refurbishment, with the work depending on its condition and the supplier’s process. A remanufactured engine generally undergoes a more structured rebuilding process intended to restore it to defined technical standards. Always verify the actual work performed rather than relying on the description alone.

8. Can I buy an engine without an ECU or ECM?

In some cases, yes. However, the replacement engine’s electronic configuration must be compatible with the machine. Confirm whether the existing control module, sensors, wiring harness, injectors, and calibration can be reused.

9. How do I identify the correct replacement engine?

Provide the machine manufacturer, machine model, machine serial number, engine model, engine serial number, and clear photographs of the engine identification plate. These details help establish the original engine configuration.

10. How long does it take to source a diesel engine?

Lead times depend on the engine model, condition, supplier stock, location, shipping arrangements, and customs clearance where applicable. A delivery estimate can be provided once a suitable sourcing option has been identified.

11. Do you supply diesel engines for mining equipment?

We assist with sourcing engines for suitable mining and heavy equipment applications, subject to the required specification and supplier availability. The engine’s duty rating, cooling system, emissions configuration, and control system must be verified.

12. Can you supply engine parts instead of a complete engine?

Yes. We can assist with sourcing engine components such as cylinder heads, pistons, crankshafts, injectors, turbochargers, water pumps, oil pumps, overhaul kits, and electronic engine modules.

13. Do you deliver diesel engines throughout South Africa?

Delivery arrangements depend on the engine’s size, weight, collection point, and destination. Contact us to confirm available delivery or collection arrangements for your order.

14. What information is required for a quotation?

Ideally, provide the engine model and serial number, machine model and serial number, required engine condition, supply configuration, delivery location, and photographs. The more accurate the information, the easier it is to identify a suitable option.

15. Are imported diesel engines supplied with a warranty?

Warranty availability and coverage depend on the supplier, engine condition, and agreed terms. Request written confirmation of warranty duration, exclusions, installation requirements, and claim procedures before placing an order.

Request a Quote for Diesel Engines

Need a diesel engine for your earthmoving machine, mining equipment, wheel loader, excavator, bulldozer, articulated dump truck, generator, or industrial application?

Contact Nkokhi Group (Pty) Ltd for assistance with sourcing new, used, reconditioned, and remanufactured diesel engines from local and international suppliers.

Whether you need a Caterpillar engine, Komatsu engine, Cummins engine, Perkins engine, Volvo engine, Weichai engine, Deutz engine, or another heavy-duty diesel power unit, we can assist with identifying suitable sourcing options based on your requirements.

To request a quotation, send us:

• Machine make and model
• Machine serial number
• Engine make and model
• Engine serial number
• Required engine condition
• Photographs of the engine identification plate
• Delivery location

Nkokhi Group (Pty) Ltd
Heavy Equipment Parts | Diesel Engine Sourcing | Local & Imported Supply

Contact us today to enquire about diesel engines for heavy equipment in South Africa.