Appraising used construction machinery boils down to three key calculations: machine condition determines the floor price, working hours determine the depreciation range, and brand value retention determines the premium space. Take a 20-ton used excavator from around 2018 as an example. Domestic transaction prices generally range from 180,000 to 320,000 RMB. For a Caterpillar 320 and a domestic model of the same tonnage, the price gap can exceed 80,000 RMB. Whoever breaks down these three factors separately will not lose out in negotiations.
Machine Condition Is the Floor for Appraisal
If the machine condition is poor, even low hours won't fetch a good price. During appraisal, first check the three major components: engine, hydraulic pump, and travel motor. Whether the engine emits black smoke on cold start and how much blow-by it has directly affects whether a 30,000 to 40,000 RMB overhaul is needed later. If the hydraulic pump has insufficient pressure or sluggish movements, replacing it with original hydraulic parts costs at least 20,000 RMB. If these two items have problems, the quotation should be reduced by at least 15% to 25%.
- Structural components: Check the boom and arm for weld repairs or cracks, and whether the slewing bearing has excessive clearance
- Undercarriage components: Remaining life of track chains and rollers; if track pads are more than half worn, replacement cost must be included
- Fluids: Whether hydraulic oil is emulsified or blackened, which reflects the previous owner's maintenance habits
- Appearance: Damage to the cab and covers is a minor cost, but can be used as a bargaining point
Equipment with complete maintenance records and original factory inspection reports typically sells for 5% to 10% more than similar machines without records. Export orders especially value this.
How to Convert Working Hours into Money
Working hours are the scale for depreciation, but you can't just look at the meter. A common industry algorithm is: 10,000 hours is a major threshold. Equipment under 8,000 hours is considered in its "prime," and prices hold firm. Over 12,000 hours, buyers will pressure the price based on "possible major overhaul at any time," with discounts generally exceeding 20%. Meter tampering is not uncommon in the used market, so check whether the hours match the machine condition—if a 5,000-hour machine has tracks worn down to 30%, the meter is basically unreliable.
- Under 5,000 hours: about 30% depreciation, a hot commodity
- 5,000 to 8,000 hours: 40% to 50% depreciation, the mainstream market range
- 8,000 to 12,000 hours: 55% to 65% depreciation, fluctuating based on maintenance condition
- Over 12,000 hours: price derived backward from residual value plus repair costs, with the greatest price elasticity
How Big Is the Brand Value Retention Gap?
Brand directly determines the starting point of the used price. For first-tier brands like Caterpillar, Komatsu, and Hitachi, five-year-old machines can still retain 45% to 55% of their value. Volvo and Kobelco are in the middle. Domestic brands have improved rapidly in recent years, but for the same tonnage and year, used prices are generally 15% to 25% lower than first-tier brands. Among used bulldozers, Shantui and Caterpillar D6 series have good liquidity. Among used loaders, 5-ton models from LiuGong and Lingong are the easiest to resell.
The export market is different. Buyers in Southeast Asia, Africa, and the Middle East highly recognize Caterpillar and Komatsu, and the same machine condition can sell for 5% to 8% more than domestically. Mining trucks and large bulldozers have stable demand in Central Asia and South America, with prices more dependent on emission standards and parts supply. Traders doing construction machinery exports include shipping, customs clearance, and spare parts costs in their quotations.
Appraisal Process and Precautions
In practice, the general order is: first confirm the model, year, and hours; then inspect the machine on-site or via video, focusing on hydraulic pressure and engine condition; then check maintenance records and ownership documents; finally, set a price range based on recent transaction prices for the same model. Domestically, you can refer to listing prices on TieJia and used construction machinery trading platforms, but listing prices are generally inflated by about 10%, so actual transactions require negotiation downward.
- Equipment with incomplete paperwork, mortgages, or unclear origins should be avoided no matter how cheap
- Accident-damaged or flood-damaged machines can depreciate by over 30%; focus on the frame and wiring harness during inspection
- For export equipment, confirm the destination country's emission and age requirements in advance, otherwise it may be rejected at port
- For bulk purchases, parts supply capability affects long-term costs more than the unit price
Frequently Asked Questions (FAQ)
How much does a used excavator generally cost?
It varies greatly by tonnage and year. For mainstream 20-ton models five years old, domestic transaction prices are mostly between 180,000 and 320,000 RMB; small 6-ton models are mostly between 60,000 and 120,000 RMB, depending on condition and brand.
How can I tell if the hours on a used machine have been tampered with?
Comparing the wear on consumable parts is the most direct method. If the wear on tracks, bucket teeth, seat, and pedals is seriously inconsistent with the displayed hours, it can basically be determined that the meter has been tampered with. Cross-verify with maintenance records.
Which brands of used construction machinery have higher value retention?
Caterpillar, Komatsu, Hitachi, and Volvo rank high, generally retaining over 45% after five years. Domestic brands offer good value for money but depreciate faster, suitable for buyers with limited budgets.
How can after-sales service and parts be guaranteed when buying used equipment?
Prioritize suppliers that can provide original hydraulic parts and engine parts. Clearly specify the warranty scope and period in the contract. For export orders, also agree on technical support methods after arrival at port.
Are export prices for used construction machinery higher than domestic prices?
Popular brands in Southeast Asian and African markets are usually 5% to 8% higher, but shipping, customs clearance, and reconditioning costs must be deducted. Actual profit depends on the source price and the destination country's market conditions.
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