Kohler’s 26 HP engines come in several model lines such as Courage, Command PRO, Confidant, and 7000 Series. While the horsepower rating remains the same, the oil capacity can differ depending on the engine’s series, application, and whether it includes an oil filter.
In this post, we’ll break down the oil capacity for the different 26 HP Kohler engine models, highlight the type of oil recommended, and offer tips for changing and checking oil levels properly.
26 HP Kohler Engine Oil Capacity
| Engine Series | Model Numbers (Examples) | Oil Capacity (No Filter) | Oil Capacity (With Filter) |
|---|---|---|---|
| Kohler Courage | SV735 | 1.6 U.S. quarts (1.5 L) | 2.0 U.S. quarts (1.9 L) |
| Kohler 7000 Series | KT745 | 1.9 U.S. quarts (1.8 L) | 2.0 U.S. quarts (1.9 L) |
| Kohler Command PRO | CH740, CH742 | 1.9 U.S. quarts (1.8 L) | 2.0 U.S. quarts (1.9 L) |
| Kohler Confidant | ZT740, ZT741 | 2.0 U.S. quarts (1.9 L) | 2.1 U.S. quarts (2.0 L) |
| Kohler Aegis | LH740, LH775 | 1.9 U.S. quarts (1.8 L) | 2.0 U.S. quarts (1.9 L) |
| Kohler Triad OHC | OH740, OH775 | 2.0 U.S. quarts (1.9 L) | 2.1 U.S. quarts (2.0 L) |
| Kohler Command Twin | CV740, CV742 | 1.9 U.S. quarts (1.8 L) | 2.0 U.S. quarts (1.9 L) |
| Kohler Magnum | M20 (converted 26 HP variant) | 2.0 U.S. quarts (1.9 L) | N/A |
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Best Oil for 26 HP Kohler Engines
Kohler recommends API-certified oils, with service ratings of SJ or higher (such as SL, SM, SN). Here’s what to use based on temperature:
- SAE 10W-30: Most common and suitable for general use (32°F to 104°F / 0°C to 40°C).
- SAE 10W-40: Offers slightly better high-temp protection.
- SAE 15W-50: Best for continuous high-load and high-temperature operations.
Avoid using non-detergent or automotive-only oils, as these may not provide sufficient protection in small engines.
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How to Check Oil Level on a 26 HP Kohler Engine
To ensure your engine stays healthy, it’s important to check the oil level regularly. Here’s how to do it properly:
- Park on a level surface and ensure the engine is off and cool.
- Remove the dipstick, wipe it clean, and reinsert it fully.
- Remove the dipstick again and check the oil level. It should be between the “F” (Full) and “A” (Add) marks.
- If oil is low, add the recommended oil slowly and re-check.
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Kohler Engine Oil Change Guide (26 HP)
Regular oil changes are key to ensuring long engine life and efficient performance. For most 26 HP Kohler engines, the first oil change should occur after 5-10 hours of operation, and subsequent changes should happen every 100 hours or annually, whichever comes first.
Steps to change oil:
- Run the engine for 5 minutes to warm the oil (for easier draining).
- Turn off the engine, and disconnect the spark plug for safety.
- Place a drain pan beneath the oil drain valve.
- Open the oil drain (use the valve or plug depending on the model) and let oil fully drain.
- Replace oil filter if applicable.
- Close the drain plug, add fresh oil up to the capacity listed for your model.
- Run the engine briefly, check for leaks, then re-check the oil level and top off if needed.
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Pro Tips for Oil Maintenance
- Always use fresh oil from a sealed container, old oil may be contaminated.
- Replace the oil filter every time you change the oil (if equipped).
- Dispose of used oil and filters responsibly at your local recycling center or auto parts store.
- If your engine operates in dusty or hot conditions, check oil more frequently and consider more frequent changes.
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Why Oil Capacity Matters
Overfilling or underfilling your engine with oil can have serious consequences:
- Too little oil can cause excessive wear, overheating, and engine seizure.
- Too much oil can foam and reduce lubrication, leading to increased pressure and possible gasket damage.
Using the correct oil type and volume ensures your Kohler engine runs cool, clean, and powerful.
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FAQs
How much oil does a KOHLER engine take?
The oil capacity of a KOHLER engine varies by model and size. For most small engines, it ranges from 1.6 to 2.1 quarts. Always check your model’s manual for exact specs.
How much oil does a KOHLER 25 horsepower motor take?
A 25 HP KOHLER engine typically holds around 2.0 quarts (1.9 liters) of oil when the filter is included. The actual amount may differ slightly by series.
How much oil for KOHLER Command Pro 27?
The KOHLER Command PRO 27 engine usually requires 2.0 quarts (1.9 liters) of oil with a filter. Without the filter, the capacity is around 1.9 quarts.
What oil does a HP KOHLER engine take?
Most KOHLER engines use SAE 10W-30 oil. In hotter climates or under heavy loads, SAE 10W-40 or 15W-50 may be suitable. Always use API-certified oil with an SJ rating or higher.
How many quarts of oil does a 26 horsepower KOHLER engine hold?
A 26 HP KOHLER engine holds between 1.6 and 2.1 quarts of oil, depending on the model series and whether an oil filter is used.
Final Thoughts
Whether you’re mowing a lawn, powering equipment, or managing commercial landscaping, maintaining proper oil levels in your 26 HP Kohler engine is essential. By understanding your engine model and referring to the capacity chart above, you can ensure long-term reliability and performance. Regular maintenance, correct oil type, and accurate refilling will keep your engine running like new for years to come.
