The Generac 16.0L is a 16.12 L 6-cylinder turbocharged/aftercooled engine rated at 1800 rpm, producing up to 757 kW. It powers generator sets from Generac, including the MD1000GEM. It holds 48 L (12.7 gal) of oil and 60.2 L (15.9 gal) of coolant.
Also known as: 16.0L, Generac 16.0L
| Oil capacity | 48.0 L |
|---|---|
| Coolant capacity | 60.2 L |
| Displacement | 16.12 L |
| Cylinders | 6 |
| Aspiration | Turbocharged/Aftercooled |
| Rated speed | 1800 rpm |
| Gross power | 757 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 11" O.D. 7" outlet | C1993 | eBay | ||
| Fuel filter | 0A88290194 | eBay | |||
| Oil filter | 0A53990233 | eBay $44.00 | |||
| Belt | 0A88290584 | eBay $275.00 | |||
| Coolant | 50/50 mixture of low silicate ethylene glycol base anti-freeze and soft water | 85.0 L | — | ||
| Oil | API Classification For Service CC or CD | 34.81 L | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| engine crankcase oil and oil filter | Change | 30 hr | First service | |
| engine cylinder head bolts | Other | 30 hr | First service — Retorque after first 30 hours | |
| engine fan belts | Inspect | 30 hr | First service | |
| engine fan bolts | Other | 30 hr | First service — Retorque after first 30 hours | |
| injection timing | Check | 30 hr | First service | |
| intake/exhaust manifolds | Other | 30 hr | First service — Retorque after first 30 hours | |
| valve clearance | Adjust | 30 hr | First service — Check/adjust after first 30 hours of operation | |
| wiring | Inspect | 30 hr | First service | |
| exhaust system | Inspect | 120 hr | 3 mo | Every 120 hours or three months |
| fuel supply system | Test | 120 hr | 3 mo | Every 120 hours or three months |
| fuel system and connections | Inspect | 120 hr | 3 mo | Every 120 hours or every three months, whichever comes first |
| cooling system thermostat | Test | 1000 hr | Remove/test, every 1000 hours | |
| engine DC alternator | Inspect | 1000 hr | Disassemble and inspect, every 1000 operating hours | |
| engine mounting brackets | Other | 1000 hr | Retorque, every 1000 hours | |
| engine starter | Inspect | 1000 hr | Disassemble and inspect, every 1000 hours | |
| fuel injection pump | Test | 1000 hr | Remove/test, every 1000 hours | |
| intake and exhaust manifold | Other | 1000 hr | Retorque, every 1000 hours | |
| oil pan bolts | Other | 1000 hr | First service — Retorque, every 1000 hours | |
| AC generator | Inspect | 6 mo | ||
| all rubber hoses | Replace | 24 mo | Every two years | |
| all wiring | Inspect | 12 mo | Once annually | |
| annunciator panel | Test | 6 mo | Check/test | |
| battery | Check | 6 mo | ||
| battery and cables | Inspect | 30 hr | 1 mo | First service — Every month |
| coolant level | Check | 1 mo | Every month | |
| cooling system | Change | 24 mo | Drain, flush, refill, every two years | |
| electrical connections | Check | 6 mo | ||
| engine air cleaner | Other | 6 mo | Service | |
| engine compression | Check | 6 mo | ||
| engine controls | Lubricate | 6 mo | ||
| engine coolant level | Check | 6 mo | ||
| engine cooling system hoses | Inspect | 6 mo | ||
| engine fan belts | Replace | 24 mo | Every two years | |
| engine fuel filter | Other | 6 mo | Service | |
| engine oil and filter | Change | 6 mo | Once every six months | |
| engine oil level | Check | 1 mo | Every month | |
| engine safety controls | Test | 6 mo | ||
| engine starter operation | Test | 12 mo | Once annually | |
| engine valve clearance | Check | 12 mo | Once annually | |
| fan belts | Inspect | 6 mo |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | 50/50 mixture of low silicate ethylene glycol base anti-freeze and soft water | 85.0 L | Cooling system capacity 22.4 U.S. gallons (85 liters). A high quality rust inhibitor may be added. Always add the recommended 50/50 mixture. | ||
| Engine oil | SAE 20 | API Classification For Service CC or CD | Recommended for ambient temperature 12°F to 32°F | ||
| Engine oil | SAE 30 | API Classification For Service CC or CD | Recommended for ambient temperature 32°F to 90°F | ||
| Engine oil | SAE 40 | API Classification For Service CC or CD | 34.81 L | Recommended for ambient temperature above 90°F. High quality detergent oil. Crankcase oil capacity 9.2 U.S. gallons. |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
The Generac 16.0L engine has an oil capacity of 48.0 liters.
The Generac 16.0L has a displacement of 16.12 liters with 6 cylinders.
The Generac 16.0L powers 1 generator set(s), including Generac MD1000GEM.