The R180 is generally a single-cylinder, four-stroke, horizontal, water-cooled diesel engine used as a power source for compatible agricultural machinery and other equipment. Common reference specifications for this engine family include an 80 mm bore, an 80 mm stroke, and a calculated displacement of approximately 402 cm³; actual ratings and configurations vary by manufacturer. Use these figures to begin a comparison, not as a substitute for the specification sheet for the exact unit you plan to buy. At YUANGEN, we recommend matching the engine’s output, speed, shaft arrangement, cooling setup, and mounting dimensions to the driven machine before requesting a quotation.
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This guide is for agricultural machinery manufacturers, equipment distributors, importers, and maintenance buyers evaluating an R180 water-cooled diesel engine. It is also useful when replacing an existing engine and checking whether a new unit will fit the machine. Because model codes and specifications can differ among suppliers, buyers should verify the complete engine designation rather than relying on “R180” alone. The information below provides a practical framework for that verification.
R180 commonly refers to a compact, single-cylinder diesel engine family. In a water-cooled design, coolant carries heat away from the engine and transfers it through a radiator or another cooling arrangement specified for the equipment. The engine is typically selected as a component within a larger machine, so the machine’s operating requirements matter as much as the engine model name. Buyers should check whether a particular product is supplied as a bare engine or with items such as a radiator, fuel tank, or starting system.
The following figures are reference points associated with common R180 configurations, not a guaranteed specification for every supplier’s product. We advise buyers to request a current datasheet and confirm each value against the intended application. Where a specification is not provided, ask the supplier to clarify it in writing before order confirmation.
| Specification | Common reference point | What to confirm |
|---|---|---|
| Engine layout | Single-cylinder, four-stroke diesel | Exact engine configuration and fuel system |
| Cooling | Water-cooled | Cooling components included and required installation arrangement |
| Bore | 80 mm in a common reference configuration | Supplier’s drawing or datasheet |
| Stroke | 80 mm in a common reference configuration | Supplier’s drawing or datasheet |
| Displacement | Approximately 402 cm³, calculated from an 80 mm bore and 80 mm stroke | Published displacement for the exact model |
| Power and rated speed | Supplier-specific | Rated and maximum output, speed, and applicable operating conditions |
The displacement figure in the table is a geometric calculation using one cylinder: π/4 × bore² × stroke. It does not establish engine power, fuel consumption, or duty-cycle capability. These performance details depend on the exact engine design and its published test conditions, so buyers should avoid comparing products based only on a model code or a headline horsepower claim.
R180 engines may be considered for compatible agricultural machinery and other equipment designed around a small, horizontal, single-cylinder diesel engine. Potential applications depend on the required power, operating speed, mounting layout, cooling system, and load profile. Examples can include machinery that uses a stationary diesel power unit, but fit should be confirmed against the equipment manufacturer’s requirements. We recommend treating each application as a compatibility check rather than assuming that every R180 will directly replace another engine.
Start with the machine’s required continuous output and operating speed, then compare these with the engine’s rated values. Next, check the direction of rotation, output shaft dimensions, coupling or pulley arrangement, mounting points, and available installation space. For a water-cooled engine, confirm how the machine accommodates coolant circulation and heat rejection. An engine that matches the power requirement but not the shaft or cooling layout may still require costly adaptation.
Record the machine type, expected load, daily operating pattern, and working environment. Distinguish between continuous operation and intermittent use, because a buyer should compare the required duty with the supplier’s stated ratings. If the engine drives a pump, generator, or other load, provide the driven equipment’s operating data where available. This gives the supplier a clearer basis for confirming suitability.
Request a dimensioned drawing showing the mounting arrangement and output shaft details. Compare those measurements with the existing machine or the design drawing, and confirm clearances for maintenance and cooling components. If the engine is a replacement, provide photos and measurements of the original installation rather than relying on a model label. This can help identify differences in mounting, connections, and supplied accessories before shipment.
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Ask each supplier to list exactly what is included in the quoted configuration. Clarify whether the offer covers a bare engine or additional components, and identify any parts that must be sourced separately. Confirm the starter arrangement, fuel system, cooling parts, air cleaner, exhaust components, and documentation applicable to the order. A clear scope makes supplier quotations easier to compare and reduces ambiguity during receiving and installation.
For ongoing equipment support, ask which maintenance parts are available and how they are identified. Request a parts list or parts diagram if the buyer’s maintenance team needs to plan inventory. Confirm how technical questions, replacement-part inquiries, and warranty matters are handled under the supplier’s terms. Availability and response arrangements should be verified for the destination market and the specific order.
R180 engine pricing depends on configuration, order quantity, included components, packaging, and delivery terms. Minimum order quantity and production or dispatch lead time are likewise supplier- and order-specific; we do not recommend relying on generic estimates when planning a purchase. Ask for a written quotation that identifies the engine version, included accessories, quantity, packaging, payment terms, and proposed delivery schedule. If the order is time-sensitive, request confirmation of stock status or a production timeline before committing.
For import planning, also clarify the shipping method, destination requirements, and documents the supplier can provide for the transaction. Confirm which party is responsible for freight, insurance, and applicable import formalities under the agreed trade terms. These details do not change the engine’s technical suitability, but they affect the total landed cost and delivery plan. Buyers should assess the full order scope instead of comparing unit price alone.
Before placing an order, compare the answers against your machine drawings and procurement requirements. If a specification is missing or unclear, request clarification rather than inferring it from another supplier’s R180 listing. For a replacement project, a dimensional review can be especially valuable because small differences in shaft or mounting configuration may affect installation. Keep the approved datasheet and order specification together for receiving inspection and future parts requests.
A frequent mistake is treating every engine marked R180 as identical. Suppliers may offer different ratings, accessories, or installation details under similar model names, so buyers need the full designation and documentation. Another mistake is selecting by advertised power alone without checking speed, duty, shaft arrangement, and machine load. A third is assuming that “water-cooled” means the full cooling system is included; verify the quotation’s component list.
It is also risky to overlook maintenance access and parts planning during initial selection. A low purchase price may not represent the best fit if the configuration requires extra adaptation or if the buyer cannot confirm a practical service route. Collect the application data, drawing, and delivery requirements before requesting offers. This helps suppliers respond with a more relevant configuration and reduces avoidable back-and-forth.
At YUANGEN, we support agricultural machinery parts buyers by discussing application requirements and clarifying the engine configuration under consideration. To help us assess a request, share the machine model or application, required output and speed if known, installation dimensions, target quantity, and destination market. We can then confirm which product information is available for quotation and identify details that need checking before order placement. Final compatibility should be verified against the buyer’s equipment requirements and the confirmed engine documentation.
An R180 water-cooled diesel engine is generally a compact, single-cylinder diesel power unit, but the R180 name alone does not define a complete, interchangeable specification. Common reference dimensions include an 80 mm bore and 80 mm stroke, corresponding to approximately 402 cm³ displacement, while power, speed, accessories, and fitment must be confirmed for the exact supplier configuration. The right selection process begins with the machine’s load and installation requirements, followed by a review of the datasheet, supply scope, service support, and commercial terms. For a practical next step, prepare your application details and drawings, then request a written specification and quotation from YUANGEN for review.
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