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Your Farm Is the Test Bed: A Controlled Trial for Prospective Machinery

AG Equipment
Your Farm Is the Test Bed: A Controlled Trial for Prospective Machinery

Photo: Chris McAndrew, CC BY 3.0, via Wikimedia Commons

Dealer demonstrations have a place, but they are not trials. They are carefully staged introductions, usually conducted on a field selected for its uniform surface, convenient access and photogenic runlines. For a farm or contracting business weighing a significant 2026 machinery purchase, the relevant question is not whether a machine can perform on the dealer’s headland. It is whether it can perform in the farm’s actual working conditions, with the farm’s implements, operator and constraints.

That distinction matters because machinery decisions are rarely reversed quickly. A tractor, telehandler or groundcare unit that looks competent in a 20-minute demonstration may reveal awkward hitching, poor visibility, excessive fuel use or operator fatigue only after a full day of work. The purpose of an on-farm trial is to replace impression with evidence.

The Distortions Built into a Demonstration

Most demonstration days contain predictable distortions. The field is often chosen because it is flat, dry, stone-free and laid out in long runs. The machine is freshly prepared, correctly ballasted and fitted with tyres suited to the day. The dealer’s operator knows the controls intimately and can mask hesitation in the machine with fluency in the cab. The implement is usually matched to the machine and may not resemble the older or mixed implements on the farm.

Conditions also tend to be ideal. A demonstration is rarely scheduled for a wet gateway, a steep bank, a tight yard or a field with an awkward shape. Duration is short, so fatigue, fuel consumption over a working day and the cumulative effect of noise or vibration are not tested. Commercial pressure is present as well: trade-in valuations, finance deadlines and the social rhythm of the day can all push a buyer toward a decision before the evidence is complete.

None of this means demonstrations are dishonest. It means they answer a narrow question: can the machine work in favourable circumstances? A farm trial answers the wider question: will it work here?

Start with a Baseline, Not a Brochure

A controlled trial begins with the current machine or method. The baseline may be an existing tractor working a known implement, a telehandler handling typical loads, a groundcare unit mowing a known area or a contractor service that might be replaced. Where recent records exist, they provide a starting point. Where they do not, the baseline should be measured immediately before the demonstration.

The principle is consistency. The same field, the same operator, the same implement, the same load and, as far as possible, the same conditions should be used for both baseline and trial. Work rate should be recorded in hectares per hour for field operations, litres per hour for loader work or square metres per hour for groundcare tasks. Fuel should be measured by filling the tank to a consistent point before and after each run. Time should include turning, hitching, filling, emptying, transport and adjustment, not only the productive pass.

Operator comfort is harder to quantify but should not be ignored. Noise, vibration, visibility, access, control layout, climate control and seat quality all affect output over a long day. A machine that feels pleasant for 20 minutes may become tiring after eight hours, and fatigue has a direct cost in output and safety.

Designing the On-Farm Trial

Select a field that represents the farm rather than the farm’s best field. It should include the headland, gateway, slope, wet patch, obstacle or transport route that the machine will meet in normal service. For a loader, use typical loads and stacking heights. For a groundcare machine, include the full programme of mowing, collection, transport and emptying. For a tractor, run the implement the farm actually intends to use, not only the dealer’s demonstrator implement.

A split-field comparison is useful. Run the existing machine and the candidate machine in adjacent strips or alternate blocks, and repeat the comparison at least twice. This helps to separate machine performance from changing conditions. Record soil moisture, weather, slope and crop or grass condition at the time of the trial. If the demonstration is moved to a different day, note the difference and avoid drawing firm conclusions from incomparable runs.

Allow enough time. A useful trial should last at least a full working half-day, and preferably a full day where the operation allows. This is long enough to expose fuel use, operator fatigue, data integration and the small irritations that accumulate into downtime. Confirm insurance, liability and operator competence before the machine arrives.

What to Measure and What to Ignore

The measurements should be practical rather than exhaustive. Record work rate, fuel use per hectare or per hour, turning and hitching time, downtime and adjustment time. Note compatibility with existing implements: PTO shafts, hydraulic couplers, ISOBUS connections, guidance, telemetry, transport width, weight and storage. For a telehandler, record cycle time, lift height, load stability, visibility and access. For groundcare equipment, record finish quality, discharge, collection and transport behaviour.

Ignore the dealer’s hospitality, the paintwork and the smoothness of a short run on a prepared field. Ignore claimed fuel figures unless they have been measured. Ignore the fact that the dealer’s operator can make the machine look easy; the farm’s operator must be able to do the same in a normal working day. If the machine is marginal, arrange a second trial rather than allowing the first impression to decide the purchase.

The Dealer Brief and the Decision

A dealer can support a proper trial if the brief is clear. Ask for a machine that matches the quotation in specification, tyres, ballast and software. Ask for the trial to include the farm’s implement and operator. Request the data that the machine can produce, and ask what is included in the warranty, service intervals and dealer support package. Distance to the dealer, parts availability and response time belong in the same decision as work rate and fuel use.

After the trial, debrief the operator before the dealer leaves. Record the findings while they are fresh, compare them with the baseline and use a simple weighted score for the criteria that matter most to the business. The result may confirm the demonstration or contradict it. Either outcome is useful, because it is based on the farm’s fields, the farm’s work and the farm’s numbers. In a 2026 machinery market where capital is expensive and downtime is costly, that is the only evidence worth acting on.

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