top of page

The Best Time to Replace Your Excavator Engine: Signs & Cost Analysis

Writer's picture: RALPH COPERALPH COPE

Updated: Feb 4




An excavator is the backbone of any construction, mining, or earthmoving operation. Its efficiency, power, and uptime directly impact a business’s bottom line. At the heart of every excavator is its engine—the driving force that powers hydraulic systems, lifting mechanisms, and overall machine performance. However, like any other component, excavator engines have a limited lifespan and will eventually require repair or replacement.


This blog will guide you through the signs that indicate your excavator engine is on its last legs, break down the cost-benefit analysis of replacing versus repairing, and explain why a tested used OEM engine from Vikfin is a cost-effective, reliable solution.


Signs That Your Excavator Engine Needs Replacement

Before diving into the economics, let’s identify the most common signs that indicate your excavator’s engine is due for a replacement:


1. Excessive Smoke Emissions

Engines burning excessive oil or suffering from incomplete combustion often emit thick, black, white, or blue smoke. The type of smoke can indicate different underlying issues:

  • Black smoke: Over-fueling, clogged air filters, or faulty injectors.

  • Blue smoke: Burning oil due to worn piston rings or valve seals.

  • White smoke: Coolant leaks into the combustion chamber, leading to head gasket failure.


2. Frequent Overheating

An engine that constantly overheats despite proper cooling system maintenance is a red flag. Overheating can warp cylinder heads, damage pistons, and lead to complete engine failure if left unaddressed.


3. Loss of Power and Performance

If your excavator struggles with heavy loads, operates sluggishly, or loses power at critical moments, engine wear and tear could be to blame. Decreased compression, worn-out pistons, and faulty fuel injection systems often lead to underperformance.


4. Unusual Knocking Noises

Loud knocking, clanking, or grinding noises indicate internal damage, such as worn bearings, piston slap, or connecting rod failure. These issues rarely resolve with minor repairs and often signal the need for a replacement.


5. High Fuel and Oil Consumption

A failing engine will consume more fuel and oil than usual due to inefficiencies in combustion and lubrication. If you're frequently refilling oil or noticing reduced fuel efficiency, it’s time to assess the engine’s condition.


6. Increased Maintenance and Repair Costs

When your maintenance costs exceed what’s reasonable, you’re essentially throwing money into a failing machine. A persistent need for repairs suggests the engine is nearing the end of its lifecycle.


Repair vs. Replace: Cost-Benefit Analysis

One of the most challenging decisions for excavator owners is determining whether to repair or replace a failing engine. Let’s break it down.


Option 1: Repairing a Failing Engine

Costs Involved:

  • Engine Rebuild Kits: $3,000–$10,000 (gaskets, bearings, rings, pistons, etc.)

  • Labor Costs: $5,000–$15,000 (depending on complexity and downtime)

  • Machine Downtime: $1,000–$5,000 per day (loss of productivity)

  • Additional Costs: Turbocharger, injectors, pumps, and sensors might also require replacement, adding another $5,000–$15,000.


Estimated Total Repair Cost: $15,000–$45,000

Risks of Repairing:

  • Rebuilt engines do not guarantee longevity.

  • Unknown wear and tear on internal components.

  • Extensive labor costs with the risk of rebuilding failure.

  • Downtime may exceed expectations, leading to financial losses.


Option 2: Replacing with a Tested Used OEM Engine from Vikfin

Costs Involved:

  • Used OEM Engine Cost: $15,000–$30,000 (depending on model & condition)

  • Installation Labor Costs: $5,000–$10,000

  • Downtime Reduction: Can be installed within days, minimizing lost revenue.

Estimated Total Replacement Cost: $20,000–$40,000


Benefits of Replacement:

Guaranteed OEM Quality – Vikfin supplies thoroughly tested engines that meet original manufacturer specifications. ✅ Reduced Downtime – A ready-to-install engine saves weeks compared to a rebuild. ✅ Cost Predictability – No risk of unexpected repair costs adding up over time. ✅ Extended Equipment Life – A reliable engine extends your excavator’s lifespan without future uncertainty.


Conclusion: Replacement is Often the Smarter Choice

If an engine rebuild costs close to or more than the price of a tested used OEM engine, replacement is the logical choice. Additionally, rebuilding an engine still leaves room for failure, while a tested Vikfin engine provides reliability at a fraction of the cost of a new engine.


Why Choose a Tested Used OEM Engine from Vikfin?

1. Guaranteed Performance

All engines supplied by Vikfin undergo stringent testing and inspection before being sold. This ensures they operate efficiently, meet OEM specifications, and perform reliably in the field.

2. Cost Savings Without Compromising Quality

New excavator engines can cost upwards of $50,000–$80,000, making them unaffordable for many businesses. Vikfin provides high-quality, used OEM engines at a fraction of the price.

3. Faster Turnaround, Less Downtime

Replacing an engine with a tested used OEM unit is significantly faster than rebuilding one, allowing businesses to resume operations quickly and minimize revenue loss.

4. Expert Advice & Support

Vikfin’s experienced team helps clients select the right engine for their specific excavator model, ensuring compatibility and a seamless installation process.

5. Competitive Market Pricing

Vikfin guarantees the best value for high-quality used engines, offering significant cost savings compared to both new engines and unreliable aftermarket rebuilds.


Real-World Example: Cost Savings of an OEM Used Engine

A customer in South Africa faced a decision: rebuild his failing Volvo EC210B engine for $40,000 or replace it with a tested used OEM engine from Vikfin for $25,000. By choosing Vikfin’s engine, he:

✔️ Saved $15,000 upfront ✔️ Reduced downtime from 6 weeks to 1 week ✔️ Ensured long-term reliability with an OEM-tested unit

His excavator was back in operation much faster, avoiding costly project delays and lost revenue.


Final Thoughts

When faced with an underperforming or failing excavator engine, the decision to repair or replace should be based on a thorough cost-benefit analysis. While rebuilding may seem like a viable solution, it often leads to hidden costs, extended downtime, and uncertainty.

A tested used OEM engine from Vikfin offers reliability, reduced downtime, and significant cost savings—making it the best choice for businesses looking to keep their excavators running efficiently without breaking the bank.


🚜 Need a high-quality used OEM excavator engine? Contact Vikfin today and get your machine back to peak performance! 🚜


Comentários


Workshop Locations

Durban: Bux Farm

Johannesburg: Benoni

Vikfin logo

Telephone/WhatsApp

083 639 1982 (Justin Cope) - Durban

071 351 9750 (Ralph Cope) - Johannesburg

©2019 by Vikfin (PTY) Ltd. 

bottom of page