The essentials
- 1Fixed-price guarantee of auf Anfrages for standard machines and auf Anfrages for premium assets, with no hidden costs.
- 2Mobile on-site service within 24 hours in the areas of Hamburg, Berlin, and Munich.
- 3Legally sound appraisals according to the BVSK standard and ISO/IEC 17020 Type A for maximum acceptance.
Tuesday, 7:30 a.m., a construction yard near Hamburg-Harburg. A CAT 320 crawler excavator is ready for inspection. The owner needs a legally sound document on the current market value for the planned sale. Instead of laboriously transporting the machine to an inspection facility, the DIAVAG appraiser comes directly to the site. In less than 15 minutes, operating hours, hydraulic condition, wear patterns, and technical documentation are recorded. Such scenarios are everyday business for mobile appraisers who bring transparency to the often confusing used market for heavy equipment. Costs remain calculable throughout thanks to a fixed-price model.
Transparent Pricing for Construction Machinery Appraisals
In the vehicle appraisal industry, billing on an hourly basis or according to JVEG schedule rates is common. This often leads to unpredictable costs for clients, especially when travel expenses and complex documentation are added. DIAVAG breaks with this practice through a clear fixed-price model. A standard value appraisal for construction machinery such as smaller excavators, wheel loaders, or attachments costs auf Anfrages. For high-value assets, complex agricultural machinery, or specialized equipment, a premium rate of auf Anfrages is charged. These prices include travel within the areas of Hamburg, Berlin, and Munich.
Cost predictability is particularly important for construction companies and contract farming businesses that need to have their machinery fleets regularly valued. Whether for accounting, sale, or insurance: the fixed price covers the entire process. There are no hidden fees for creating the digital report or for the signature of a senior inspector. This transparency builds trust and enables quick decision-making without lengthy cost estimates.
The Mobile Inspection Workflow On-Site
Time is a critical factor on construction sites and agricultural operations. Downtime of the machine for transport to an inspection facility causes additional costs. DIAVAG's mobile service addresses exactly this issue. The appraiser arrives directly at the asset's location within 24 hours of scheduling. This can be a construction yard, a job site, or an agricultural property. The standardized inspection workflow is trimmed for efficiency and generally takes less than 15 minutes on site.
During this appointment, the appraiser uses calibrated hardware from a specialized case system. This includes OBD2 scanners for reading fault memory, coating-thickness gauges for checking repainting on load-bearing parts, and digital tread-depth gauges for tires or track undercarriages. Standardized photo documentation comprehensively records the visual condition and any defects. Since all data is captured digitally, it is transmitted to headquarters in real time. The completed PDF report is delivered the same day.
Legal Certainty through BVSK and ISO Standards
A value appraisal is only as valuable as its acceptance by third parties. This is especially true in legal contexts such as inheritance matters, divorces, or insurance disputes. DIAVAG appraisers work according to the strict guidelines of the BVSK (German Federal Association of Independent Vehicle Experts). In addition, the inspection body is eligible for accreditation under ISO/IEC 17020 Type A, representing the highest level of independence. Such an appraisal is recognized by insurers, banks, and in court disputes as a well-founded basis.
Every appraisal is reviewed and signed by a senior inspector before delivery. This ensures consistently high quality, regardless of which mobile appraiser collected the data on site. For complex legal questions, you should always consult a lawyer or notary to clarify the specific usability in an individual case. The DIAVAG appraisal provides the necessary technical and commercial factual basis for this, based on the JVEG framework.
Covered Asset Classes in Construction and Agriculture
DIAVAG's expertise extends across a broad spectrum of heavy equipment. In the construction machinery segment, crawler and mobile excavators, wheel loaders, bulldozers, graders, as well as rollers and pavers, are evaluated. Each type of machine has specific wear points that are taken into account in the appraisal. For an excavator, for example, the focus is on play in the bucket arm, the condition of the slew ring bearing, and the tightness of the hydraulic cylinders. For wheel loaders, the transmission and axle construction under load are additionally checked.
Agricultural machinery is also part of the core portfolio. This includes tractors from renowned manufacturers such as Fendt, John Deere, or Claas, as well as complex harvesting machines such as combine harvesters and forage harvesters. Here, reading operating hours and fault memory via the SAE J1939 interface plays a central role, provided the machine has the corresponding electronics. The assessment also covers attachments such as plows, seed drills, or specialized forestry machinery. Through this breadth, DIAVAG covers the entire needs of construction and agricultural businesses.
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 aspects and digital documentation are coming even more into focus. A professional value appraisal already takes into account the technical condition with regard to current safety standards. This is decisive not only for operation but also for resale value. Machines that do not meet current standards often suffer significant loss of value.
DIAVAG is preparing its appraisals for these upcoming requirements. Through detailed recording of safety features and the use of digital diagnostic tools, documentation is created that goes beyond a simple estimate. For buyers, this offers assurance that the machine is not only functional but also compliant with European directives. Sellers, in turn, can achieve a higher market price by demonstrating a well-maintained condition and compliance with standards.
B2B Solutions for Dealers and Fleet Operators
For commercial players such as construction machinery dealers or large construction fleets, DIAVAG offers scalable solutions. From a volume of 50 appraisals per month, individual terms are negotiated. A key advantage for dealers is the connection to existing Dealer Management Systems (DMS) via an API interface. This enables seamless integration of appraisal data into the purchasing process or inventory management. Manual data entry is eliminated, which reduces the error rate and speeds up processes.
In addition, DIAVAG offers self-employed appraisers or large companies the hardware case, including the software license, for purchase. At a list price of auf Anfrages, partners receive the complete toolset to carry out inspections according to the DIAVAG standard themselves. The final review and certification of the appraisal remains within the DIAVAG network to ensure independence and quality in accordance with ISO/IEC 17020 Type A. This is an efficient way to upgrade one's own capacities with professional diagnostic technology.
Independence as a Core Value of the Appraisal
A decisive feature of DIAVAG is strict independence. Unlike vehicle purchasing platforms or workshops, DIAVAG does not sell vehicles, does not broker insurance, and does not carry out repairs. The business model is based exclusively on the creation of objective appraisals. This neutrality is the prerequisite for legal usability and the trust of all parties involved. An appraisal from a body with a vested interest in the purchase price is often vulnerable in court or with insurers.
Inspection organizations such as TÜV or DEKRA also offer independence, but focus primarily on the periodic technical inspection and rarely have specialized workflows for mobile construction machinery valuation including in-depth diagnostics. DIAVAG closes this gap through the combination of mobility, technical specialization, and a clear focus on market value. Customers receive an unbiased assessment based on hard data and market-standard comparative values.
Digital Security and Documentation
Digitalization of the appraisal process at DIAVAG does not end with sending the PDF. All data is stored in a GDPR-compliant manner on servers within the European Union. This guarantees the highest data security for sensitive corporate or private data. A special feature is the optional protection of the appraisal by means of a notarial hash on the Polygon blockchain. This digital fingerprint makes the document tamper-proof and provides conclusive proof of its condition at the time of inspection.
In an era of image manipulation and digital fraud, this proof is a valuable tool for the global trade in construction machinery. Buyers from abroad can rely on the integrity of the report without having to physically inspect the machine beforehand. The combination of BVSK qualification, senior inspector review, and technological security makes the DIAVAG value appraisal a modern standard in asset valuation. The process is efficient, secure, and tailored to the needs of a digital economy.
Frequently asked questions
- How long does it take to prepare a value appraisal for construction machinery?
- An appointment is generally available within 24 hours. The on-site inspection takes less than 15 minutes. You receive the completed PDF report the same day.
- Where does the inspection of the construction machinery take place?
- DIAVAG is a mobile service. The appraiser comes directly to the location of the asset, whether that's a construction site, an operating yard, or a port.
- Is the appraisal suitable for insurers or courts?
- Yes, the appraisals are BVSK-compliant and are signed by a senior inspector. They serve as a well-founded basis for insurance cases, inheritance matters, or legal disputes.
- What technical details are checked during the inspection?
- Among other things, the fault memory is checked via OBD, along with the hydraulics, engine condition, wear patterns on tracks or tires, and the paint coating thickness to detect accident damage.
- Does DIAVAG also offer appraisals for electric construction machinery?
- Yes, for electric construction machinery, the Premium Battery Test is carried out to precisely determine the State-of-Health (SoH) and cell balance of the battery.
- What distinguishes DIAVAG from organizations such as TÜV?
- DIAVAG offers a specialized mobile service at a fixed price, covers seven asset classes, and integrates in-depth diagnostics such as the Premium Battery Test as standard.
We'll get in touch with you personally.
No newsletter, no mailing list: sign up if you'd like to learn more about the platform — we'll reach out to you directly.