This Beta Marine engine oil type and capacity chart covers popular Beta 10, 14, 16, 20, 25, 30, 35, 38, 43, 50 and 60 marine diesel engines. It includes published oil-capacity figures, genuine Beta Marine filter numbers and practical service guidance. For help diagnosing low oil pressure, overheating, excessive smoke or starting problems, visit our Marine Diesel Troubleshooting Guide.
Beta Marine Engine Oil Type & Capacity Chart
Standard-sump oil quantities, genuine oil-filter references and oil recommendations for popular Beta Marine diesel engines used in sailboats, cruising yachts and small commercial vessels.
Beta Marine Oil Type, Capacity & Filter Chart
| Beta Marine Engine | Standard Sump Oil Capacity | Common Genuine Oil Filter | Common Oil Type |
|---|---|---|---|
| Beta 10 | 2.0–2.5 L / 2.1–2.6 US qt | 211-63760 | SAE 15W-40 diesel oil, subject to manual specification |
| Beta 14 | 2.0–2.5 L / 2.1–2.6 US qt | 211-63760 | SAE 15W-40 diesel oil, subject to manual specification |
| Beta 16 | 2.4–2.9 L / 2.5–3.1 US qt | 211-63760 | SAE 15W-40 diesel oil, subject to manual specification |
| Beta 20 | 3.1–3.8 L / 3.3–4.0 US qt | 211-63760 | SAE 15W-40 diesel oil, subject to manual specification |
| Beta 25 | 3.7–4.5 L / 3.9–4.8 US qt | 211-63760 | SAE 15W-40 diesel oil, subject to manual specification |
| Beta 30 | 4.5–5.5 L / 4.8–5.8 US qt* | Super 5 engine-mounted filter; confirm current part number | SAE 15W-40 diesel oil, subject to manual specification |
| Beta 35 | 5.0–6.0 L / 5.3–6.3 US qt* | Super 5 engine-mounted filter; confirm current part number | SAE 15W-40 diesel oil, subject to manual specification |
| Beta 38 | 6.0–6.7 L / 6.3–7.1 US qt* | Super 5 engine-mounted filter; confirm current part number | SAE 15W-40 diesel oil, subject to manual specification |
| Beta 43 | Approx. 7.0–8.0 L / 7.4–8.5 US qt* | 211-70510/02 | SAE 15W-40 diesel oil, subject to manual specification |
| Beta 50 | Approx. 7.0–8.0 L / 7.4–8.5 US qt* | 211-70510/02 | SAE 15W-40 diesel oil, subject to manual specification |
| Beta 60 | Approx. 9.0–10.0 L / 9.5–10.6 US qt* | 211-70510/02 | SAE 15W-40 diesel oil, subject to manual specification |
The first five models use manufacturer-documented standard-sump figures. For the larger models, the linked Beta Marine USA technical manuals should be used to establish the exact quantity before servicing.
What Oil Should You Use in a Beta Marine Diesel?
Beta Marine engines are based on proven industrial diesel platforms, including Kubota engines adapted for marine propulsion. Correct oil viscosity, lubricant classification and regular maintenance are essential for long service life.
SAE 15W-40 heavy-duty diesel engine oil is a common practical choice for many Beta Marine engines operating in moderate or warm climates. However, the exact viscosity and oil specification should be selected using the applicable engine operator’s manual.
Chevron Delo or Shell Rotella may be appropriate when the exact product meets the requirements of the engine. Do not assume that every modern diesel oil is automatically suitable for every older engine generation.
Beta Marine 10, 14, 16, 20 & 25 Oil Capacities
Beta Marine’s smaller Mini-series engines are particularly popular in cruising sailboats and repower projects. Their compact dimensions and relatively simple mechanical design make routine service accessible in many installations.
Beta 10 and Beta 14
Both use a published standard-sump capacity range of 2.0–2.5 liters.
Beta 16
The Beta 16 uses a standard-sump capacity range of 2.4–2.9 liters.
Beta 20
The three-cylinder Beta 20 uses approximately 3.1–3.8 liters in the standard sump.
Beta 25
The three-cylinder Beta 25 uses approximately 3.7–4.5 liters in the standard sump.
All five models commonly use the genuine Beta Marine 211-63760 engine-mounted oil filter. A remote-mounted filter uses a different service part.
Beta 10
A compact auxiliary diesel for smaller sailboats and displacement vessels.
Standard sump: 2.0–2.5 L
Oil filter: 211-63760
Beta 14
A popular repower option for small cruising sailboats.
Standard sump: 2.0–2.5 L
Oil filter: 211-63760
Beta 16
A compact two-cylinder diesel offering slightly greater output than the Beta 14.
Standard sump: 2.4–2.9 L
Oil filter: 211-63760
Beta 20
A common auxiliary propulsion engine for small and medium cruising sailboats.
Standard sump: 3.1–3.8 L
Oil filter: 211-63760
Beta 25
A three-cylinder engine frequently selected for sailboat repowers.
Standard sump: 3.7–4.5 L
Oil filter: 211-63760
Beta 30 / 35 / 38
These larger engines serve cruising sailboats requiring more propulsion power.
Filter arrangement: Super 5 engine-mounted filter; check the current illustrated parts list.
Beta 43 / 50
Four-cylinder engines designed for larger sailing yachts and displacement vessels.
Common filter: 211-70510/02
Beta 60
A larger four-cylinder propulsion engine for heavier cruising yachts.
Common filter: 211-70510/02
Beta Marine Genuine Oil Filter Part Numbers
Beta Marine USA publishes genuine replacement oil-filter numbers for the different engine families. The correct filter depends on whether the engine uses the standard engine-mounted filter or an optional remote-mounted arrangement.
| Genuine Part Number | Common Application | Service Note |
|---|---|---|
| 211-63760 | Beta 10, 14, 16, 20 and 25 | Standard engine-mounted filter |
| 211-70510/02 | Beta 43, 50 and 60 | Engine-mounted or applicable remote-mounted filter |
| 211-70510/02 | Beta 10–25 and Beta 30–45T | Optional remote-mounted filter applications |
Beta Marine Diesel Maintenance & Repair
Oil & Filter Service • Diagnostics • Fuel Systems • Cooling Systems • Raw-Water Pumps • Marine Engine Surveys
Ventura • Oxnard • Channel Islands Harbor • Santa Barbara
How to Change Oil in a Beta Marine Diesel
1. Warm the Engine
Run the engine long enough to warm the oil, following safe operating practices. Warm oil is easier to extract and carries suspended contaminants more effectively.
2. Extract the Used Engine Oil
Many Beta Marine installations have a dedicated sump drain pump. Use the installed equipment according to the operator’s manual and collect the old oil in an appropriate container.
3. Replace the Oil Filter
Install the correct genuine or approved equivalent filter. Check the mounting surface and ensure the old filter gasket has not remained attached.
4. Add the Correct Engine Oil
Use the published sump capacity as a guide and initially add less than the upper listed amount. Avoid overfilling.
5. Verify Oil Pressure
Start the engine, verify that oil pressure develops normally and inspect the filter and oil-drain fittings for leakage.
6. Set the Final Dipstick Level
After shutdown and appropriate drain-back time, adjust the oil level to the correct dipstick mark.
Beta Marine Oil Analysis & Engine Condition
Oil analysis can provide valuable information about the internal condition of a Beta Marine diesel, especially when evaluating an older engine or a vessel being considered for purchase.
Laboratory testing may reveal abnormal wear metals, fuel dilution, coolant contamination and lubricant degradation. Comparing consecutive oil samples is generally more useful than interpreting a single isolated result.
Oil analysis should be combined with engine inspection, cold-start observations, oil-pressure checks and sea-trial performance during a comprehensive Marine Engine Survey.
Beta Marine Preventive Maintenance
Correct oil and filter service is only one part of maintaining a reliable Beta Marine engine. Raw-water impellers, heat exchangers, cooling hoses, fuel filters, belts, electrical connections and exhaust components also require regular inspection.
Pay particular attention to raw-water cooling performance, since restricted seawater flow or a deteriorated impeller can lead to overheating and more extensive engine damage.
Maintain a service log documenting oil type, quantity added, filter number, engine hours and any unusual findings. This information makes future maintenance more accurate and helps identify developing problems.
Beta Marine Technical Manuals & Parts References
Beta Marine provides official engine technical data sheets, operator’s manuals and illustrated parts lists. These resources are especially important when identifying engines with shallow sumps, remote oil filters or other installation-specific equipment.
Need Help With a Beta Marine Diesel?
805 Marine Diesel Mechanic provides mobile diesel maintenance, troubleshooting, oil and filter service, cooling-system repair and marine engine surveys.
Ventura • Oxnard • Channel Islands Harbor • Santa Barbara
Beta Marine Engine Oil & Filter FAQ
20 frequently asked questions covering Beta 10, 14, 16, 20, 25, 30, 35, 38, 43, 50 and 60 marine diesel engines.
1. What oil should I use in a Beta Marine diesel engine?
SAE 15W-40 heavy-duty diesel oil is a common choice for many Beta Marine engines operating in moderate or warm climates. However, the correct viscosity and lubricant classification depend on the engine model, generation and operating conditions. Follow the applicable Beta Marine operator’s manual.
For general diesel troubleshooting, see our Marine Diesel Troubleshooting Guide.
2. Can I use Chevron Delo or Shell Rotella in a Beta Marine engine?
Yes, suitable Chevron Delo or Shell Rotella heavy-duty diesel oils may be used when the particular formulation meets the viscosity and lubricant requirements specified for the engine. Do not assume that every product sold under those brands has identical specifications.
3. How much oil does a Beta 10 hold?
The Beta 10 has a published standard-sump oil-capacity range of approximately 2.0–2.5 liters (2.1–2.6 US quarts). The final amount depends on the engine configuration and should be established using the dipstick.
4. How much oil does a Beta 14 hold?
The Beta 14 has a standard-sump oil-capacity range of approximately 2.0–2.5 liters (2.1–2.6 US quarts). Add oil gradually during service and establish the final level using the engine dipstick.
5. How much oil does a Beta 16 hold?
The Beta 16 has a published standard-sump oil-capacity range of approximately 2.4–2.9 liters (2.5–3.1 US quarts). The quantity required during a routine oil change can vary depending on how completely the old oil is removed.
6. How much oil does a Beta 20 hold?
The Beta 20 has a standard-sump oil-capacity range of approximately 3.1–3.8 liters (3.3–4.0 US quarts). The correct refill level should be checked using the dipstick after oil circulation and drain-back.
7. How much oil does a Beta 25 hold?
The Beta 25 has a standard-sump oil-capacity range of approximately 3.7–4.5 liters (3.9–4.8 US quarts). The exact quantity depends on the engine and sump configuration.
8. How much oil does a Beta 30 hold?
A provisional planning estimate for a Beta 30 is approximately 4.5–5.5 liters, but this is not a verified manufacturer capacity. Consult the correct Beta Marine technical data sheet before using any quantity as a service specification.
9. How much oil does a Beta 35 hold?
A provisional planning estimate for a Beta 35 is approximately 5.0–6.0 liters. This figure has not been confirmed against the model-specific manufacturer data and should not be treated as a final refill instruction.
10. How much oil does a Beta 38 hold?
A provisional planning estimate for a Beta 38 is approximately 6.0–6.7 liters. Verify the actual standard-sump capacity using the technical documentation for the specific engine before performing an oil change.
11. How much oil does a Beta 43 hold?
A provisional planning estimate for a Beta 43 is approximately 7.0–8.0 liters. This is not a confirmed factory capacity, and the applicable Beta Marine manual should be consulted before ordering or adding the final quantity.
12. How much oil does a Beta 50 hold?
A provisional planning estimate for a Beta 50 is approximately 7.0–8.0 liters. The actual quantity must be established from the correct engine manual and verified with the calibrated dipstick.
13. How much oil does a Beta 60 hold?
A provisional planning estimate for a Beta 60 is approximately 9.0–10.0 liters. Because this has not been verified as a manufacturer specification, consult the exact engine technical sheet before servicing.
14. What oil filter does a Beta 10, 14, 16, 20 or 25 use?
The genuine Beta Marine 211-63760 is a common engine-mounted oil-filter reference for Beta 10, 14, 16, 20 and 25 engines. Optional remote-mounted filter systems may use a different element.
15. What oil filter does a Beta 43, 50 or 60 use?
Beta Marine 211-70510/02 is a common oil-filter reference for Beta 43, 50 and 60 applications. Confirm the installed filtration arrangement and current parts catalog before ordering.
16. What is the difference between an engine-mounted and remote-mounted Beta Marine oil filter?
An engine-mounted filter attaches directly to the engine, while a remote-mounted system places the filter elsewhere for easier access. The filter element, hoses and oil capacity may differ between configurations, so the installed arrangement must be identified before servicing.
17. Should I add the entire listed Beta Marine oil capacity at once?
No. Add somewhat less than the expected amount, check the dipstick and verify oil pressure after starting the engine. After shutting down and allowing the oil to drain back, adjust the level to the proper dipstick mark.
18. How often should I change oil in a Beta Marine diesel engine?
Follow the oil-change interval specified in the operator’s manual for the exact engine. For lightly used cruising sailboats, an annual oil and filter change is a common maintenance practice even when the engine has accumulated relatively few hours.
19. Is oil analysis useful on a Beta Marine diesel?
Yes. Oil analysis can identify abnormal wear metals, fuel dilution, coolant contamination and lubricant degradation. It is particularly useful when evaluating an older engine or performing a Marine Engine Survey.
20. What should be inspected during a Beta Marine oil service?
Inspect the oil filter, filter housing, drain fittings, oil hoses and engine for leaks. Verify oil pressure after restarting and include belts, fuel filters, raw-water pump, heat exchanger, cooling hoses and exhaust components in scheduled maintenance.
Additional diagnostic information is available in our Marine Diesel Troubleshooting Guide.
Beta Marine Diesel Maintenance & Repair
Family-owned and operated with over 30 years of marine engine experience.
Oil & Filter Service • Engine Diagnostics • Fuel Systems • Cooling Systems • Raw-Water Pumps • Marine Engine Surveys
Ventura • Oxnard • Channel Islands Harbor • Santa Barbara
