Medium-ash gas engine oil for stationary and vehicle gas engines. The product description covers continuous operation, stop-start driving and loaded service.
Select a grade or type, pack size and quantity. We will use these details to prepare your quotation.

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RunChee · MID ASH Gas Engine Oil · 5W-30 · 4 L
Series: Engine Oil Series
5W-30 · 4 L
Your selection is carried into the inquiry form. Carton quantity refers to the number of individual containers in one carton.
| Grade / designation | Packaging options | Choose |
|---|---|---|
| 5W-30 | 4 L · 6 containers/carton; 18 L · individual container | |
| 10W-30 | 4 L · 6 containers/carton; 18 L · individual container | |
| 15W-40 | 4 L · 6 containers/carton; 18 L · individual container | |
| 20W-50 | 4 L · 6 containers/carton; 18 L · individual container |
Suitable natural-gas passenger vehicles, buses, trucks and dual-fuel engines, as well as stationary gas engines. Confirm ash and base-number requirements.
Antiwear and friction control support loaded contact surfaces.
Detergency helps control deposits on pistons, cylinder walls and exhaust valves.
Oxidation resistance and corrosion protection support longer operating periods.
Check the test conditions and limits alongside the grade you are ordering.
Compare the specifications for the available grades below.
| Property / test condition | 5W-30 | 10W-30 | 15W-40 | 20W-50 | Test method |
|---|---|---|---|---|---|
| Kinematic viscosity (100°C), mm²/s | 9.3~<12.5 | 9.3~<12.5 | 12.5~<16.3 | 16.3~<21.9 | GB/T265 |
| Flash point (Open cup), °C (min.) | 200 | 205 | 215 | 215 | GB/T3536 |
| Pour point, °C (max.) | -35 | -30 | -25 | -20 | GB/T3535 |
| Base number, mgKOH/g | 6.0–12.0 | 6.0–12.0 | 6.0–12.0 | 6.0–12.0 | SH/T0251 |
| Sulfated ash, % | 0.6–1.4 | 0.6–1.4 | 0.6–1.4 | 0.6–1.4 | GB/T2433 |
| Mechanical impurities **, % (max.) | 0.01 | 0.01 | 0.01 | 0.01 | GB/T511 |
| Water, % (max.) | Trace | Trace | Trace | Trace | GB/T260 |
| Low-temperature dynamic viscosity, mPa・s * (max.) | 6600(-30°C) | 7000(-25°C) | 7000(-20°C) | 9500(-15°C) | GB/T6538 |
| Low-temperature pumping viscosity, mPa・s * At no yield stress, ≤ | 60000(-35°C) | 60000(-30°C) | 60000(-25°C) | 60000(-20°C) | SH/T0562 |
| Foaming characteristics (Tendency / Stability), ml/ml · GB/T12579 | |||||
| 24°C (max.) | 20/0 | 20/0 | 20/0 | 20/0 | GB/T12579 |
| 93.5°C (max.) | 50/0 | 50/0 | 50/0 | 50/0 | GB/T12579 |
| After 24°C (max.) | 20/0 | 20/0 | 20/0 | 20/0 | GB/T12579 |
Swipe or scroll inside the table to compare columns. Limits are reproduced from the supplied product specification. “Report” indicates a result to be reported; “—” indicates no value stated. Request the current TDS for the exact grade.
The performance comparison above is available online. Request a current TDS or SDS for this model and grade; document availability and revision are confirmed with your request.
The listed grades or types are 5W-30, 10W-30, 15W-40, 20W-50. Match the selection to your equipment manual or formulation requirement. If you are unsure, send us the equipment model and the specification you are working to.
Listed packaging: 4 L · 6 containers/carton; 18 L · individual container. Confirm availability, order quantity and shipping details in the written quotation.
Packaging photos are references for the grade and pack shown in the caption. A listed specification can still be requested when there is no matching photo.
Ask for the current TDS for the exact grade and the relevant SDS. Tell us the destination country and any approval requirement so document availability can be confirmed before the order.
Include Medium-Ash Gas Engine Oil, the grade or type, pack size, quantity and delivery destination. Add your equipment requirement or document request where relevant. We will confirm the product and supply details in a written quotation.
Send the grade or type, pack size, quantity and delivery destination. We will confirm the product and supply details in a written quotation.