An S195 single cylinder diesel engine is generally a horizontal, water-cooled, four-stroke diesel engine used in agricultural and other stationary or mobile equipment. Many engines identified as S195 are associated with a 95 mm bore and a 100 mm stroke, giving an approximate swept volume of 0.709 L; however, specifications and interfaces can vary by manufacturer and configuration. To confirm compatibility, compare the exact engine datasheet with your equipment’s mounting, shaft, speed, cooling, and load requirements before ordering.
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We prepared this guide for agricultural machinery manufacturers, equipment distributors, repair businesses, and procurement teams evaluating an S195 diesel engine. It is also useful when replacing an existing engine or developing equipment that may use this engine class. The goal is to help you identify what to verify before requesting a quotation or approving a sample.
YUANGEN supplies agricultural machinery parts and can discuss engine requirements with B2B buyers. Because product configurations and commercial terms can differ, we recommend confirming the exact model, interfaces, and delivery requirements directly with the supplier.
The S195 designation is commonly used for a single-cylinder diesel engine family. Engines in this category are typically selected for equipment where a relatively straightforward diesel power unit is suitable, but the designation alone does not establish a complete technical specification. Differences in production version, accessories, and application setup can affect whether one unit is a direct replacement for another.
Many S195 references describe a water-cooled, four-stroke engine with a horizontal cylinder arrangement. Water cooling means the cooling circuit and its connections need to match the equipment installation, while the four-stroke cycle describes the engine’s operating principle. Buyers should still confirm the cooling layout, starting method, controls, and accessory package for the exact offer.
As a starting point for identification, commonly cited S195 dimensions include a 95 mm cylinder bore and a 100 mm piston stroke. Together, these dimensions correspond to approximately 0.709 L of swept volume for one cylinder. These figures are useful for preliminary comparison, but we advise against using them as final acceptance criteria without a supplier datasheet.
| Specification area | What to check | Why it matters |
|---|---|---|
| Engine identity | Model suffix, version, and manufacturer | Similar model names may not indicate identical configurations. |
| Core dimensions | 95 mm bore and 100 mm stroke as common references; confirm on the offered model | Supports identification and comparison, but does not confirm interchangeability. |
| Displacement | Approximately 0.709 L for the commonly referenced dimensions | Useful for checking whether a specification is consistent with the stated bore and stroke. |
| Output and speed | Rated power, rated speed, torque, and applicable operating conditions | Must suit the driven machine and its expected load. |
| Installation | Mounting points, shaft dimensions, rotation, and coupling | These interfaces determine whether the engine can be installed and drive the equipment correctly. |
| Cooling and starting | Cooling connections, radiator or hopper arrangement, and starting method | Equipment layouts and operating procedures may require specific configurations. |
An S195 engine may be considered for agricultural machinery or equipment using a compatible single-cylinder diesel power unit. Potential applications can include irrigation or water-pumping equipment, small processing machinery, and other machines with a suitable engine mount and drive system. Actual suitability depends on the engine’s verified output and the machine’s operating duty, so an application label by itself is not enough to confirm a match.
For a replacement, compare the existing engine and the proposed unit side by side. Record the mounting-hole locations, shaft diameter and length, keyway or coupling details, shaft rotation, exhaust position, fuel connections, and cooling arrangement. Confirm whether the new unit is supplied as an engine only or with components such as a fuel tank, air cleaner, radiator, starter, or pulley.
Start with the driven machine’s required power and operating speed, then check that the proposed engine’s documented rating covers the intended duty. Do not compare power figures unless they use the same rating basis and speed conditions. If the equipment starts under load, runs continuously, or experiences changing loads, provide those conditions to the supplier so the selection can be reviewed appropriately.
Generator applications require particular care because engine speed must correspond to the generator head’s design and the required electrical frequency. Pump and processing applications also depend on the driven equipment’s speed, coupling, and load profile. Where the available data is incomplete, request clarification instead of assuming an S195 unit will work as a direct substitute.
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Price depends on the precise engine configuration, accessory package, order quantity, packaging, and delivery destination. A quotation should make clear whether it covers the engine alone or a complete set, and which commercial terms apply. We recommend comparing quotations against the same specification rather than using the model name as the only basis.
Minimum order quantity and lead time are supplier- and order-specific, so we do not treat them as fixed S195 standards. Ask whether the requested configuration is available, whether production or preparation is required, and when the delivery estimate begins. For repeat purchases, agree on the model identification and configuration in writing to reduce the risk of ordering a different variant.
Look for specific, written answers rather than broad assurances. If the application is a replacement, share measurements and photographs of the original installation where appropriate. A supplier can only assess compatibility reliably when the equipment requirements and engine configuration are clearly defined.
A frequent mistake is assuming that two engines marked S195 are interchangeable. Model naming can help identify an engine family, but it does not confirm shaft geometry, mounting dimensions, rated speed, or included components. Another avoidable error is selecting by power alone without checking the driven equipment’s speed and coupling.
Buyers may also overlook cooling connections, exhaust clearance, or the space required for maintenance. Before final approval, compare the proposed unit’s drawing or measurements with the machine layout. If any critical dimension or performance value is missing, ask for confirmation in writing rather than relying on an informal estimate.
At YUANGEN, we support B2B discussions by reviewing the intended application, required configuration, and key compatibility details for agricultural machinery parts and engine sourcing. To help us respond efficiently, include your target quantity, destination, required delivery timing, and any existing engine nameplate or interface measurements. We can then clarify which product information and commercial details are available for the requested configuration.
Before moving forward, ask us to confirm the specification sheet, included accessories, quotation basis, and estimated lead time for your order. For replacement projects, provide the old engine’s model information and the dimensions that affect installation. This creates a clearer basis for evaluating fit and reducing avoidable procurement risk.
An S195 single cylinder diesel engine can be a suitable option when its verified output, speed, cooling arrangement, and physical interfaces match the target equipment. Common reference dimensions include a 95 mm bore, a 100 mm stroke, and approximately 0.709 L displacement, but these values do not prove that a specific unit is interchangeable. The decisive step is checking the exact offered configuration against the machine requirements.
As a next step, prepare your application details, interface measurements, and required operating conditions, then request a configuration-specific datasheet and quotation. YUANGEN can discuss your agricultural machinery sourcing requirements and help clarify the information needed to evaluate an S195 engine for your project.
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