Amincm Machinery: How to Identify Used Machine Value by Model Codes

By Amin

2025-08-21 09:23:34

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1. Decoding Numbers: Weight Class & Machine Category

Core Principles

Brand	Model Example	Number Meaning	Weight Range	Primary Applications
Komatsu	PC200	200 ≈ 20 tons	19.8-21.5 tons	Earthmoving/urban construction
Hitachi	ZX330	330 ≈ 33 tons	32.5-34 tons	Mining/demolition
Kobelco	SK210	210 ≈ 21 tons	20.5-22.3 tons	River maintenance
Caterpillar	CAT 320	320 ≈ 22 tons*	21.8-23.6 tons	General construction

2. Decoding Letters: Configuration Premiums & Applications

Key Suffix Guide

Letter Suffix	Technical Meaning	Value Impact	Inspection Focus
-H (e.g. PC200-8H)	Heavy-duty reinforcement	+15% resale value (reinforced teeth/thicker hoses)	Check for weld reinforcements at boom base
-L (e.g. ZX200L)	Long undercarriage	+8% premium (extra 1-2 track rollers)	Count track links (standard:9-10 vs L:11-12)
-LC (e.g. SK210LC)	Low ground pressure (long and wide track)	+25% marsh premium (600mm+ track width)	Measure track shoe width (standard:500mm vs LC:600-800mm)
-W (e.g. Volvo EW140B)	Wheeled configuration	+30% urban premium (eliminates trailer costs)	Road speed test (＞35km/h = normal)

3. Field Verification: Model-Actual Configuration Checks

Fraud Detection Techniques

•Frankenstein Machines:
Inspect ID plate welds (factory rivets vs aftermarket bolts), cross-check engine codes (e.g., YANMAR 4TNV98 belongs in PC200)
•Fake LC Models:
Measure track length (true LC ≥4.2m) - counterfeit versions only widen tracks
•Hour Meter Tampering:
Verify through:
Hydraulic pump scoring (scratches appear after 10,000hrs)
Pedal rubber thickness (1mm wear per 2,000hrs)

4. Valuation Formula: Model Premium Quantification

Residual Value Calculation:

Base Price × (1 + Feature Premium) × Condition Factor
•Feature Premiums:
LC: +0.25 | H: +0.15 | W: +0.3
•Condition Factors:
＜5,000hrs: 1.2 | 5,000-8,000hrs: 1.0 | ＞10,000hrs: 0.7

5. Buyer's Action Checklist

Application Matching:

•Marsh work → Choose LC (ground pressure ＜0.3kg/cm²)
•Demolition → Select H-type (armor thickness ≥20mm)

Document Verification:

Request factory build sheets (with hydraulic pump codes)

If you have more knowledge about second-hand excavators that you would like to know, please leave a message for Amincm Machinery: +86 193 5538 5977

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