A treadmill specification sheet is only usable when every figure carries a unit, a basis and a measurement condition. A sheet that says “3.0 HP motor” and stops there is not a specification: there is no rating basis, no duty cycle and no test condition, so nothing on the page can be checked against a delivered unit. This guide covers what a complete sheet must contain, which fields are almost always missing, and what a buyer should refuse to accept.
It is about the document itself. The order-stage script for a shortlisted factory is covered separately in the questions to ask a treadmill supplier, and the motor technology comparison in brushless versus brushed motors. Reading a sheet well is also what lets you normalise two offers on equal terms later.
What a complete specification sheet contains
A complete sheet is a technical document, not a brochure: every value is a number, a unit, and, where it was measured, the condition of measurement. It covers six blocks — the drive system; the running surface and structure; dimensions and weights including the folded and carton states; the electrical configuration; test, noise and duty-cycle data; and the certification statement with its scope. Padded sheets run long because restating a field is easier than testing it.
The fields that are almost always missing
Ask for these fields by name and you will learn quickly which suppliers hold real test data.
- The motor rating basis and duty cycle: peak, continuous or a defined rating, and for how long.
- The load and ambient temperature at which a continuous figure is valid.
- Which width the running-surface figure actually describes.
- Maximum user weight with the standard and the test it was validated against.
- The weight rating at incline, and whether it differs from the flat rating.
- Belt ply and thickness, plus deck thickness and cushioning type.
- Folded and carton dimensions with N.W., G.W. and units per container.
- Voltage, frequency and plug configuration for the destination market.
- A noise figure with its measurement conditions, and a certification statement naming standard, edition, models covered and market.
Motor rating: a horsepower figure is not a specification
A motor rating becomes a specification only when three things are attached: what the number measures, how long it can be sustained, and the conditions under which it was measured. Without a duration, a “continuous” figure is a peak figure wearing a better word; without a condition, no figure is reproducible.
| Field | What a complete entry looks like | What a weak entry looks like |
|---|---|---|
| Rating basis | Stated as peak, as continuous, or as a defined duty rating | “3.0 HP” with no basis given |
| Sustained duration | The time for which the continuous figure holds | “Powerful motor” |
| Measurement condition | Load and ambient temperature stated with the figure | “Tested under normal use” |
| Duty cycle | Expressed as a run-to-rest ratio or a defined rating | Omitted entirely |
| Motor and control type | Motor type named, control method described | Adjectives only: “silent”, “upgraded” |
Insist on this because whatever wording you publish becomes a consumer claim, and the supplier will only warrant the figure they defined. If the two definitions differ, the gap lands on your returns rate. The terminology is unpacked in the explainer on peak versus continuous horsepower.
Speed range: belt speed or user speed?
Speed is quoted either as belt speed per minute or as user speed per hour. Both conventions are legitimate; a range printed without saying which one applies is not, because the two do not convert cleanly at every speed and incline. Ask which convention the sheet follows, ask for units at both ends, and ask for the minimum as carefully as the maximum: the lowest sustained setting decides whether the machine serves walking and desk use.
Running surface width, deck width and overall width
Three widths get confused in the same sentence, and only one of them decides whether the machine is usable for its intended stride.
| Measurement | What it describes | What it decides for the buyer |
|---|---|---|
| Running surface width and length | The area the user actually walks or runs on | Comfort, gait and whether a running stride fits |
| Deck width | The board the belt runs on | Structural support, belt tracking, cushioning design |
| Overall product width | The widest point of the assembled unit | Floor space, siting in a home or office |
A quoted “45 cm” is meaningless until it is labelled, so insist on the label as well as the number. Ask whether the figures were taken on the assembled unit as shipped or include console and handle overhang.
Maximum user weight and the standard behind it
A weight limit is a claim about structure. Ask which standard and edition the figure was tested to, whether the test ran on a production unit or a prototype, and which component limits it. For stationary training equipment, the treadmill-specific safety requirements sit in the ISO 20957 series: Part 1 sets general safety requirements and test methods, and Part 6 adds the requirements specific to treadmills, read together with Part 1. Request the report, not the badge. A limit no document supports is a design intention, and any claim built on it is yours to defend.
Incline: range, drive and the rating at incline
Incline entries must state the range, whether the incline is motorised or manual, whether it moves in steps or continuously, and whether the weight rating changes once incline is applied. Ask for the range in percent and degrees, and what the deck does when the machine stops or loses power. A model rated only at zero incline is a different product from one holding its rating at maximum incline, yet on a sheet the two look identical.
Belt, deck and cushioning fields
The running surface is the wear part your customers judge the machine by. A complete sheet gives belt ply count, thickness, width and length, and the material of the running side; for the deck, thickness, material and the cushioning system, including how many cushioning points and of what type. These are warranty-relevant fields: when a claim turns on delamination or deck wear, the sheet is the baseline the returned part is judged against.
Dimensions: assembled, folded, carton, weights and loading
Ask for assembled dimensions, folded dimensions, carton dimensions, and N.W. and G.W. with the number of cartons per unit. Folded dimensions decide whether the machine fits the storage position your channel advertises; carton dimensions decide your parcel tier and your container fill, and the loading arithmetic is set out in how many treadmills fit in a container. A sheet with assembled dimensions but no folded or carton set was written for a listing, not for a buyer.
Electrical configuration and duty cycle
State your destination market, then ask for the variant: rated voltage, frequency, plug configuration and cord length. Ask whether the model exists in every electrical build your markets require, and whether the control board and power supply are identical across those builds. Duty cycle belongs in the same block: it expresses running time relative to rest and explains the difference between two units carrying the same motor figure.
Noise figures need their measurement conditions
A decibel figure without a distance, a load and a condition cannot be compared with any other decibel figure. Ask at what distance and height the reading was taken, at what speed and under what user load, in what acoustic environment and on what surface: two accurate readings of the same machine can differ by several decibels through method alone. Where quiet operation is part of your positioning, write the test method into the specification.
Console, connectivity and user-facing fields
Console sections are usually written as a feature list rather than a specification. Ask for display type and size, the data fields shown, the number of programs, the Bluetooth or app profile with its version, and the protocols supported. Where an app is part of the product promise, ask what it does without a subscription and who maintains it.
What a certification statement must say — and what a logo badge does not
A badge on a page is not a statement. To be usable, a certification statement must name the standard, the edition, the models covered and the market it applies to. Without the models it cannot be matched to your SKU, without the edition it cannot be checked against the current version, and without the market it cannot support your listing where you sell. Ask for the declaration or test report itself, and confirmation that it covers the exact build you are buying, including the electrical variant.
For the EU, establish who the responsible person is: where the manufacturer is not established in the Union, the relevant obligations fall on a responsible person within the meaning of Article 16(1) of the General Product Safety Regulation, Regulation (EU) 2023/988, or Article 4(1) of Regulation (EU) 2019/1020. For electrical fitness equipment, the instruments buyers normally ask about are the EMC, Low Voltage, RoHS and REACH directives; confirm applicability with your own compliance adviser or a notified body. This article is not legal advice.
Match audit records to the legal entity that signs your contract, not to a trading name. The page on documented certifications and audit records shows how that evidence is catalogued, and the factory-level version of the same exercise is covered in how to audit a treadmill factory in China.
How to spot a padded specification sheet
Padded sheets are not empty. They are full of text that changes nothing, and the patterns repeat.
| Pattern | What it looks like | Why it costs you money |
|---|---|---|
| Restated fields | The same power or speed figure appears in three blocks | The sheet looks thorough while adding no data |
| Adjectives instead of values | “High-torque”, “extra-quiet”, “premium belt” | Nothing measurable, nothing inspectable |
| Ranges without units | “Speed 1–14”, “incline 0–15” | Cannot be compared with another supplier or converted |
| “Up to” figures | “Up to 140 kg”, “up to 12 km per hour” | The ceiling is stated, the condition is not |
| Internal contradictions | Two blocks give different weight or power values | You cannot know which figure will be built |
One test covers most of these cases: if a field cannot be checked against a delivered unit, it is not a specification.
What to do when a supplier will not provide a field
Absence is information. Restate the request in writing with the exact field name, the format you want and the reason: incoming inspection, customs documentation or a warranty baseline. Then escalate, because a sales contact may not hold test data the technical team already has. If it still does not arrive, ask for the field as a range with the test method attached; an honest range with a stated method beats a precise figure with none.
If it never arrives, decide rather than compromise: drop that claim from your marketing, or treat the gap as a reason not to buy the model. Never publish a claim the supplier will not put in writing, because that cost lands on you at the point of return. One step protects every later order: make the specification sheet an annex to the purchase order, so delivered units are inspected against it. Custom production is covered in the overview of OEM and ODM treadmill programmes.
Buyer’s acceptance checklist
A sheet is acceptable when every row below can be answered from the document itself, without a follow-up email.
| Field | Acceptance test |
|---|---|
| Motor rating | Rating basis, sustained duration and measurement condition all stated |
| Duty cycle | Expressed as a run-to-rest ratio or a defined rating, not implied |
| Speed range | Convention named as belt speed or user speed, with units at both ends |
| Running surface | Belt width and length labelled and distinguished from deck and overall width |
| Maximum user weight | Figure given with the standard and edition it was tested to |
| Incline | Range in percent and degrees, drive type, and the rating at incline |
| Belt and deck | Ply, thickness, running surface, deck thickness and cushioning type present |
| Dimensions and weights | Assembled, folded and carton sets, with N.W., G.W., cartons per unit and a loading figure tied to that carton |
| Electrical configuration | Voltage, frequency and plug configuration for your destination market |
| Noise and certification | Decibel figure with distance, load, speed and environment stated; certification naming standard, edition, models and market, with the report attached |
Reject any sheet where a row can only be satisfied by a promise.
Frequently asked questions
Is a longer specification sheet a more complete one?
No. Completeness is measured in fields that carry a unit and a condition, not in pages. A short sheet with forty defined values beats a long one that repeats six figures.
Can I accept a supplier’s own test data for motor power?
Yes, if the method and conditions are stated: rating basis, duration, load and ambient temperature. Without them, the number cannot be compared with another supplier’s.
What if the weight limit has no standard behind it?
Ask which standard and edition it was tested to, and request the report covering your model. Without that chain it is a design intention, not a validated limit.
Do I need both metric and imperial figures?
Ask for both where your markets differ, and ask which unit was measured and which was converted. Re-rounding between markets causes listing errors and returns.
How do I compare two sheets that use different conventions?
Convert to one convention first: one speed convention, one unit system, one definition per dimension. If a sheet cannot be converted because a basis is missing, record it as a defect.
Should the specification sheet form part of the contract?
Make it an annex to the purchase order: it becomes the inspection baseline for delivered units.
Where does the sheet sit relative to the quotation?
The sheet describes the product; the quotation describes the commercial terms. Neither replaces the other, and comparing offers is covered in the guide to normalising treadmill quotations.
Request a Specification Sheet
Send your target models, destination markets and required electrical configurations, and ask for every field listed above. Ningbo Kangruida Sports Equipment Co., Ltd., the company behind the KREEDA treadmill brand, handles specification requests through its contact and RFQ page; the current range is listed at the treadmill and walking pad catalogue, and common sourcing questions are collected in the treadmill sourcing FAQ.