title: "Strategies to Cut Excavator Maintenance Costs by 30%"

date: 2026-08-21

author: EquipNode

Excavators' average annual maintenance costs account for 15%–25% of total equipment costs, with some older models exceeding 30%. This figure is familiar to equipment managers — but the gap between "knowing" and "actually saving" isn't about determination; it's about having a scientific full-lifecycle management approach.

The global construction machinery parts market is expected to surpass $65 billion in 2026, with a compound annual growth rate of 6.9%. A booming parts market means more "necessary spending." But looking at it from another angle, market maturity also means more parts choices and fiercer price competition — informed buyers can actually save more.

Preventive Maintenance: Spend a Little to Save a Lot

Many project departments follow a "fix it when it breaks" maintenance habit. When a 20-ton-class excavator shows early signs of hydraulic pump wear and the issue goes unaddressed, waiting until the pump completely fails before replacing it can drive repair costs from ¥12,000 to over ¥45,000 — not counting project losses during downtime.

The core of preventive maintenance is establishing a periodic maintenance system. Using the SANY SY215C as an example, the manufacturer's recommended maintenance intervals are:

  • Every 250 hours: Replace engine oil and oil filter, check hydraulic oil level
  • Every 500 hours: Replace fuel filter and air filter, check track tension
  • Every 1,000 hours: Replace hydraulic oil filter, inspect swing reducer
  • Every 2,000 hours: Comprehensive overhaul, replace hydraulic oil

Based on 2,000 working hours per year, average annual preventive maintenance costs are approximately ¥18,000–¥22,000. Compared to major repairs after breakdowns, this saves ¥30,000–¥50,000 annually.

Parts Purchasing: Smart Choices Between OEM and Brand Parts

Parts costs are the largest share of maintenance expenses. OEM parts offer reliable quality but come at a premium, while aftermarket parts are cheaper but inconsistent in quality. The smart approach is tiered procurement:

Core components that must be OEM parts: Hydraulic pumps, main control valves, and swing motors. These parts directly affect equipment safety and precision — using aftermarket parts carries extreme risk. An OEM hydraulic pump for a 20-ton excavator costs about ¥35,000, while an aftermarket pump may only cost ¥12,000, but its average lifespan is just 40% of the OEM part — making it actually more expensive in the long run.

Consumable parts where brand parts are acceptable: Filters, bucket teeth, and pin-bushing sets. Certified parts from brands like Caterpillar and Komatsu approach OEM quality at 30%–50% lower prices. For example, the SANY SY215C's engine oil filter costs about ¥280 as an OEM part versus about ¥150 as a brand-certified part, with less than 5% difference in filtration precision.

Wear parts suitable for aftermarket options: Bucket tooth points, track plate bolts, and cab glass. These parts have low technical complexity — quality aftermarket options are perfectly adequate at just 20%–30% of OEM prices.

Among the 6.9% growth in the global heavy equipment parts market in 2026, brand-certified parts are growing the fastest. SANY America announced an expanded parts service network at ConExpo 2026, recognizing exactly this trend.

Used Machine Assessment: 5 Key Metrics to Watch

A thriving used equipment market gives buyers more options but also increases the risk of costly mistakes. When evaluating a used excavator, focus on these 5 key metrics:

Hydraulic system pressure test: Normal working pressure should be above 90% of the rated value. Insufficient pressure typically indicates that the hydraulic pump or main control valve needs repair, with estimated costs of ¥20,000–¥60,000.

Swing clearance check: Clearance exceeding 0.5mm in the swing reducer indicates severe gear wear, with repair costs around ¥15,000–¥30,000.

Engine exhaust color: Blue smoke means burning oil, white smoke means water ingress, and black smoke means incomplete combustion. Any abnormal color points to different levels of engine repair needed.

Structural component crack inspection: Focus on weld seams on the boom and arm. Minor cracks found early can be repaired by welding for about ¥3,000–¥8,000; if overlooked, they could lead to arm fracture with losses exceeding ¥200,000.

Electrical system comprehensive inspection: The electronic control system accounts for an increasing share of modern excavators. Sensor failures can trigger full-machine protective shutdowns. Inspection costs about ¥500, but can prevent tens of thousands in misdiagnosis costs.

According to the latest market data, global used construction machinery transaction volumes continue to grow in 2026, and buyers with assessment expertise hold a clear advantage in negotiations.

Digital Tools: Remote Monitoring Reduces Failure Rates

Telematics technology is transforming equipment management. Major OEM remote monitoring platforms can track fuel consumption, operating hours, hydraulic system temperature, and other key parameters in real time.

In practice, equipment equipped with remote monitoring sees average failure rates reduced by 25%–40% and unscheduled downtime cut by over 30%. For an excavator working 2,000 hours annually, a 5% reduction in unscheduled downtime means 100 additional working hours — at an average market rate of ¥600 per hour, that translates to ¥60,000 in additional annual revenue.

Major domestic and international manufacturers have all launched remote monitoring solutions. LiuGong's 922FE electric remote-controlled excavator, launched in 2026, combines remote monitoring with electrification — 8 units have accumulated over 20,000 working hours, and 4 units save ¥1.5 million in annual costs. While electric equipment has a different maintenance cost structure than traditional diesel models, the efficiency gains from digital management are universal.

The Right to Repair: DIY or Dealership?

One of the hottest topics in the construction machinery industry in 2026 is "Right to Repair." John Deere faces new lawsuits in the U.S., accused of restricting users from self-repairing construction and forestry equipment.

This debate is equally relevant for Chinese users. China's construction machinery repair ecosystem is far more flexible than the U.S. — users can go through dealer after-sales service, visit independent repair shops, or even source and install parts themselves. This flexibility is itself a cost advantage.

But flexibility doesn't mean being haphazard. It's recommended that users establish a maintenance record system, documenting the date, service items, parts source, and costs for every maintenance and repair event. After accumulating 2–3 years of data, you'll have a clear picture of your equipment's maintenance cost curve, enabling well-timed decisions on major overhauls or equipment replacement.

Contact Us

EquipNode provides parts supply and maintenance consulting services covering the full range of SANY construction machinery. From filters and bucket teeth to hydraulic pump assemblies, from preventive maintenance plans to used machine assessments — we help you keep maintenance costs within a reasonable range.

For specific equipment pricing or parts information, please feel free to contact our sales team.