The essentials
- 1Mobile appraisal directly on location saves transport costs and time when determining the value of excavators.
- 2Fixed prices of auf Anfrages (standard) and auf Anfrages (premium) offer full cost transparency without hidden fees.
- 3BVSK compliance and ISO/IEC 17020 Type A certification ensure the legal usability of the appraisals.
Tuesday, 7:30 a.m., a construction yard near Hamburg-Harburg. A CAT 320 tracked excavator is ready for its residual-value appointment. The owner needs an independent valuation for the planned disposal from business assets. Instead of transporting the machine to a distant inspection site at great effort, the DIAVAG appraiser comes directly to the location. With calibrated hardware and a standardized workflow, the condition is objectively recorded. In less than 15 minutes, the on-site data capture is complete. The legally sound PDF appraisal, signed by a senior inspector, is delivered the same day. This process ensures that all parties involved receive a valid basis for negotiation.
Why a Local, Mobile Appraiser Is Decisive for Excavators
The valuation of construction machinery such as excavators places special demands on logistics. Unlike passenger cars, transporting a tracked excavator or a heavy wheeled excavator to a stationary inspection site involves considerable cost and organizational effort. A mobile appraiser who comes directly to the site of operation, the construction yard, or the dealer's lot eliminates these hurdles. DIAVAG offers this service nationwide for over 30 industry verticals, with core regions such as Hamburg, Berlin, and Munich served within 24 hours.
A local appraiser must not only be available spatially but also possess the necessary technical equipment to provide a well-founded diagnosis on site. The appraiser's independence is the most important asset here. Since DIAVAG sells no vehicles, brokers no insurance, and performs no repairs, the appraisal remains free of vested interests. This is especially important when the document must hold up before third parties, such as tax authorities, insurers, or potential buyers. The mobile inspection saves time and ensures that the machine does not need to be taken out of ongoing operation during the valuation process - a decisive advantage for efficiency across all 9 DD workstreams.
The DIAVAG Inspection Workflow for Construction Machinery
Every appraisal follows a strictly standardized process to ensure consistently high quality and comparability. The appraiser uses a specialized hardware case that includes, among other things, OBD2 scanners for engine diagnostics (provided interfaces such as SAE J1939 are present), coating-thickness gauges for paint inspection, and digital multimeters. For excavators, particular focus is placed on inspecting the hydraulic components, the boom, the dipper arm, and the attachments. Wear patterns on tracks or tires are documented, as is the condition of the slewing ring and the cab.
A key component is standardized photo documentation. This includes not only overall views but also detailed shots of nameplates, hour meters, and any defects. For electric construction machinery, the Premium Battery Test is also used, which precisely determines the State of Health (SoH) of the energy storage system. This test is standard at DIAVAG for all assets with a high-voltage battery. The collected data is processed digitally, with experienced senior inspectors always retaining control over the final conclusions and signing the appraisal. The result is a BVSK-compliant PDF appraisal that meets the highest requirements for transparency.
Fixed-Price Transparency Instead of Unpredictable Hourly Billing
In the appraisal industry, billing by time spent or as a percentage of the asset value is widespread. This often leads to unpredictable costs for the customer. DIAVAG breaks with this practice and offers clear fixed prices. A standard value appraisal for an excavator costs auf Anfrages. For particularly high-value machines or those with complex drive technology, such as electric excavators, the premium rate of auf Anfrages applies. This price already includes the Premium Battery Test.
This pricing structure applies equally to private customers and smaller companies. For large customers, dealers, or fleet operators requiring a volume of more than 50 appraisals per month, individual terms are agreed. An API connection to existing Dealer Management Systems (DMS) is also possible here, to automate the inventory valuation process. Cost certainty allows companies to firmly factor appraisals into their calculations for purchasing and selling, or for internal audits.
Legal Certainty through BVSK and ISO/IEC 17020 Type A
An appraisal is only as valuable as its acceptance before third parties. DIAVAG appraisers work according to the guidelines of the Federal Association of Freelance and Independent Motor Vehicle Appraisers (BVSK). In addition, the structure is designed as an inspection body according to ISO/IEC 17020 Type A, which marks the highest level of independence. These certifications are decisive when appraisals are used in legal contexts, such as inheritance disputes, divorce proceedings, or under the Judicial Remuneration and Compensation Act (JVEG).
Should legal questions arise regarding the usability of an appraisal in a specific court proceeding, consulting a lawyer or notary is mandatory, since DIAVAG does not provide legal advice. However, the technical documentation provided by DIAVAG delivers the necessary facts to support claims against insurers or in liability matters. Optionally, DIAVAG offers the option to secure the appraisal using a notarial hash on the Polygon blockchain. This creates tamper-proof evidence and ensures complete source traceability for the condition and value of the machine, which is particularly advantageous in complex M&A transactions.
The Significance of the EU Machinery Regulation 2023/1230
Regulatory requirements for construction machinery are steadily increasing. With the new EU Machinery Regulation 2023/1230, which becomes mandatory from January 20, 2027, safety requirements and documentation obligations for machinery are further tightened. A professional value appraisal already takes into account safety-relevant aspects that are important for operation and resale. Appraisers check whether the machine meets current standards and whether all necessary documentation is available.
For buyers and sellers, this means additional security. An excavator that demonstrably complies with current safety standards and whose condition has been confirmed by an independent third party achieves more stable prices on the market. DIAVAG continuously prepares its processes for upcoming standards, such as the EU Battery Passport for electric construction machinery. This proactive approach ensures that the appraisals produced remain highly relevant in the future and precisely reflect the market value of the assets.
Comparison: DIAVAG vs. Classic Inspection Organizations
When comparing DIAVAG with established organizations such as TÜV, DEKRA, or GTÜ, clear differences emerge in specialization and service model. While classic inspection organizations often focus on the main roadworthiness inspection and legally mandated tests, DIAVAG concentrates on mobile value appraisal across seven asset classes.
| Feature | DIAVAG | Roadworthiness inspection bodies (TÜV/DEKRA) | Online Estimators |
|---|---|---|---|
| Mobile service | Yes, at the asset's location | Mostly stationary | N/A |
| Fixed price | On request / demo | Often based on effort | Free/Low cost |
| Premium Battery Test | Standard for electric assets | Basic diagnostics | No hardware testing |
| Asset breadth | 7 classes (incl. excavators, boats) | Focus on cars/trucks | Cars only |
| Legal certainty | BVSK / ISO 17020 Type A | High (official) | Low (algorithm) |
A key advantage of DIAVAG is speed. While appointments with large organizations often require long lead times, DIAVAG guarantees processing within 24 hours. In addition, classic inspection bodies rarely cover the entire spectrum from construction machinery to home storage systems, making DIAVAG a versatile partner for mixed portfolios.
Value Determination: Operating Hours, Wear, and Market Conditions
The determination of an excavator's market value is a complex process that goes beyond simply comparing list prices. A central factor is the operating hours. An excavator with 5,000 hours in light earthmoving is assessed differently than a machine with identical runtime used in heavy demolition or quarrying. The appraiser assesses the wear condition of pins and bushings, the tightness of hydraulic cylinders, and the remaining usable thickness of track segments or tire tread.
In addition, the current market situation is factored into the valuation. Auction results, dealer purchase prices, and current listings on specialized platforms are consulted here. Equipment also plays a role: quick-change systems, additional hydraulic circuits for hammer or shear operation, as well as modern assistance systems and GPS controls significantly increase replacement value. The DIAVAG appraisal brings all these factors together in a comprehensible calculation that precisely states both the current value and the market value.
B2B Solutions for Dealers and Fleet Operators
For commercial players in the construction machinery sector, DIAVAG offers scalable solutions. Dealers who regularly need to value trade-ins benefit from a standardized workflow that minimizes error rates and increases transparency toward the customer. Starting at a volume of 50 appraisals per month, DIAVAG provides individual terms and an API interface. This allows appraisal data to be transferred directly into the dealer's own Dealer Management System (DMS), significantly reducing administrative effort.
In addition, DIAVAG offers independent appraisers or companies with their own workshop infrastructure the option to purchase the hardware case, including the specialized software. Partners receive the complete toolset and access to DIAVAG's digital ecosystem. Partners can then carry out their own inspections according to the high DIAVAG standard, with senior inspectors finalizing the appraisals. This strengthens local presence while ensuring cross-regional comparability of results.
Objectivity as the Key to a Fair Price
A value appraisal for an excavator is more than just a document - it is insurance against costly financial mistakes. Whether when purchasing a used machine, valuing for insurance purposes, or clarifying ownership matters: only an independent, professional appraisal creates clarity. DIAVAG combines the flexibility of a mobile service provider with the precision of modern diagnostic technology and the legal certainty of established standards such as BVSK and ISO 17020.
Thanks to the transparent fixed-price model, the risk of unpredictable costs is eliminated. The rapid delivery of the appraisal on the same day ensures that transactions are not unnecessarily delayed. In a market often shaped by subjective assessments, DIAVAG delivers the objective data basis that all parties can rely on. Independence from sales and repair guarantees that the determined value reflects only the machine's actual condition.
Frequently asked questions
- What does a value appraisal for an excavator cost at DIAVAG?
- The cost of a value appraisal depends on the type of machine and the chosen scope of service. For an individual quote and an overview of the process, please book a demo.
- How quickly can an appraiser be on site?
- In the regions of Hamburg, Berlin, and Munich, you generally receive an appointment within 24 hours. The mobile inspection usually takes less than 15 minutes on site.
- Is the appraisal admissible in court?
- The appraisal is BVSK-compliant and is signed by a senior inspector. It meets high standards for use with insurers, tax authorities, or in legal disputes. For specific legal advice, you should consult a lawyer or notary.
- Which excavator types are appraised?
- DIAVAG appraises all common types, including mini excavators, tracked excavators, wheeled excavators, and specialized machines for demolition or earthworks, regardless of manufacturer.
- What does the Premium Battery Test include for electric excavators?
- The test determines the State of Health (SoH), cell balance, and actual capacity of the high-voltage battery to provide a precise statement about the condition of the most expensive component.
- Does DIAVAG also offer appraisals for other construction machinery?
- Yes, DIAVAG covers a total of seven asset classes, including, in addition to excavators, wheel loaders, tractors, combine harvesters, as well as boats, electric cars, and home storage systems.
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