ZE485E‑10‑5140 — Manufactured Oct 2020 | 2,921 hours | Parked in Xi’an | Equipped with bucket

Brief overview

• Model/ID: ZE485E‑10‑5140
• Manufacture date: October 2020
• Hours: 2,921 (moderate; potentially good remaining life if well maintained)
• Location/status: parked in Xi’an
• Configuration: bucket present

Key advantages

• Bucket present — allows proper load testing of boom/arm/hydraulic system and verifies working performance under load.
• Hours under 3k — less likely to have immediate major overhaul needs if maintenance was good.

Main risks and items to verify

• Maintenance history: without records, hours alone don’t prove condition — ask for full service/repair logs and any major rebuilds.
• Undercarriage wear: Xi’an’s dusty environment and usage type affect wear — check shoes, sprockets, rollers and links.
• Bucket condition: teeth, cutting edge, wear plates, weld repairs, and mounting pins/quick coupler.
• Hydraulic system wear/leaks: pumps, valves, hoses, cylinder rod scores and seals.
• Swing/travel gearboxes and final drives: leaks, noise, play.
• Engine health: start behavior, smoke, turbo/injector condition, coolant system.
• Storage effects: long parking risks (battery, seals, hoses, fuel/water contamination) if it’s been idle.

Priority pre‑purchase inspections (must do)

1. Documentation & identity

   • Verify VIN/engine numbers, full maintenance and repair records, accident history and liens. Confirm hour meter continuity.

2. Photos & videos to request

   • High‑res photos: engine bay, hydraulic tank fill area, boom/arm pin joints, bucket (teeth/edge/wear), undercarriage closeups (sprockets, rollers, idlers), swing bearing area, cab and instrument panel, any data plates.
   • Short videos: cold start, warm start, idle, and several cycles of digging/dumping/rotation/travel under load to show real behavior.

3. Functional testing (on‑site)

   • Cold and warm start observations (smoke, noises, idle stability).
   • Load test with the bucket: full range of boom/arm, digging and swing under load, travel at speed. Note oil pressure, unusual noises, sluggish movement, vibration.
   • Check heating/cooling system performance.

4. Hydraulic inspection

   • External leaks, hose condition, cylinder rod surface, hydraulic oil color/foam/odor, tank inspection. Perform pressure and flow tests for main pumps and circuits.

5. Oil sampling (strongly recommended)

   • Lab samples of engine oil, hydraulic oil and final drive oils for wear metals, water, fuel dilution and contamination.

6. Undercarriage & structure

   • Measure remaining life of shoes, links, sprockets, rollers and idlers; check frame and boom for cracks, welds or repairs; measure pin/bushing play.

7. Swing & travel gearboxes and final drives

   • Test for play, noise, overheating and leaks under operation.

8. Electrical & controls

   • Read fault codes, check joystick response, gauges, lighting, battery and HVAC.

Red flags (consider walking away or major price reduction)

• Heavy smoke on start or load; metal in oil samples; significant pin/bushing play; structural weld repairs in critical areas; persistent leaks from swing or final drives; seized or very worn undercarriage components.

Recommended next steps

• Ask seller now for: maintenance/repair records, clear photos and operational videos (start + bucket digging cycles), proof of VIN/engine numbers and explanation of last usage/idle duration.
• Arrange third‑party on‑site inspection that includes hydraulic pressure/flow tests and oil sampling with lab analysis.
• If inspection is satisfactory, obtain quotes for any identified work (undercarriage, hydraulic seals, pump service, bucket repair) and factor into negotiation.