The total annual maintenance cost for an excavator in the filter industry of Liaoning Province is quite substantial. Let's break down the expenses for a Hitachi ZX200-1 model under normal operating conditions.
First, regular maintenance and oil changes: The machine works around 2,500 hours annually, requiring 5 oil changes. Local Guema oil is used—7 barrels at 350 yuan each, totaling 2,450 yuan. Oil filters cost 80 yuan each, totaling 400 yuan. This brings the first part to 2,850 yuan.
Second, hydraulic oil: On average, one change per year, with 200 liters per barrel at 3,500 yuan. Two hydraulic oil filters at 150 yuan each, and two pilot filters at 20 yuan each, adding up to 3,840 yuan.
Third, grease and lubricants: At least 10 barrels of grease per year, costing 200 yuan each, plus 100 oil guns and 5 greasers at 10 yuan each. Totaling 2,150 yuan.
Fourth, diesel filters: Changed 5 times annually at 50 yuan each, totaling 250 yuan. Additional filters for gear oil, large pumps, rotary, and walking motors—2 barrels at 350 yuan each, totaling 700 yuan. This part adds up to 950 yuan.
Fifth, bucket teeth: At least 2 pairs per month, costing 400 yuan per pair, totaling 8,000 yuan yearly. Maintenance for the bucket itself and its axis costs about 1,000 yuan each, bringing this section to 10,000 yuan.
Sixth, track and wheel components: Replaced every 3 years. Chain replacement costs 15,000 yuan, ground wheels 3,000 yuan, guide wheels 2,000 yuan, tug wheels 500 yuan, and drive gears 500 yuan. Additional costs for transport and labor amount to 2,000 yuan. Totaling 23,600 yuan, or about 8,000 yuan per year.
Seventh, engine parts: If the machine runs for 10,000 hours, the cost averages 1,000 yuan annually.
Eighth, various other components: Diesel pump service once every 3 years at 1,000 yuan, diesel pipe repairs at 200 yuan annually, hydraulic pipe maintenance at 500 yuan, antifreeze at 200 yuan, water tank cleaning at 200 yuan, headlights at 100 yuan, O-rings at 100 yuan, oil tank seals at 1,000 yuan, tools and gloves at 200 yuan. Totaling 2,800 yuan.
Ninth, total annual maintenance: 31,590 yuan for regular parts, plus 2,000 yuan for unexpected repairs, totaling 35,000 yuan.
Additional costs include driver wages (4,500 yuan/month × 10 months = 45,000), food and drink (1,000 yuan/month × 10 months = 10,000), fuel (900 yuan/month × 10 months = 9,000), car-related expenses (10,000), shipping (1,000), gifts (2,000). These add up to over 77,000 yuan.
Considering all these, the total annual cost exceeds 100,000 yuan. This is just the base cost—no depreciation, interest, or major repairs are included. If you buy a new excavator, the costs will be even higher. I’m sharing this not to scare anyone, but to inform those thinking of buying an excavator that it’s no longer as profitable as it once was. Please share this information responsibly.
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