Published 2026-09-18 · Baudouin engine parts · EPID
Baudouin engines power generator sets worldwide. This guide covers which Baudouin families are used, which parts matter most in this duty, and how service intervals differ from road or standby applications.



Which Baudouin engines are used in generator sets
Generator engines run at fixed speed with steady load, so the cylinder unit, cooling system and governor components wear predictably. The families used most often are 4M06G, 4M10G, 6M11G, 6M16G, 6M21G, 6M26G, and the parts we ship for this duty are pistons and piston rings, cylinder liner, cylinder head, gasket kit, water pumps and oil pumps.
Parts that matter most in generator sets
| Part group | Why it matters in this duty | Link |
|---|---|---|
| pistons and piston rings | Generator engines run at fixed speed with steady load, so the cylinder unit, cooling system and governor components wear predictably | Baudouin pistons and piston rings |
| cylinder liner | Generator engines run at fixed speed with steady load, so the cylinder unit, cooling system and governor components wear predictably | Baudouin cylinder liner |
| cylinder head | Generator engines run at fixed speed with steady load, so the cylinder unit, cooling system and governor components wear predictably | Baudouin cylinder head |
| gasket kit | Generator engines run at fixed speed with steady load, so the cylinder unit, cooling system and governor components wear predictably | Baudouin gasket kit |
| water pumps and oil pumps | Generator engines run at fixed speed with steady load, so the cylinder unit, cooling system and governor components wear predictably | Baudouin water pumps and oil pumps |
Duty cycle and service intervals
Most standby sets run 200-500 hours a year; prime power and continuous sets run 4,000-8,000 hours, which means a top-end refresh every 8,000-12,000 hours and a full overhaul around 20,000-30,000 hours.
Recommended baseline: Oil and filters every 250-500 hours, valve clearance every 1,000 hours, coolant and hoses every 2 years. Intervals in the manufacturer manual take priority, especially for engines still under warranty.
What to keep on the shelf
- One liner or piston kit per engine family to cover a failure without stopping the machine
- Gasket sets - the item that turns a two-day repair into a two-week wait
- Water pump, thermostat and hoses for cooling failures in the field
- Injectors or nozzles for fuel-quality problems, common in remote locations

Baudouin parts for generator sets
| Part number | Part | Model | |
|---|---|---|---|
| BAUDOUIN-ENGINE-CYLINDER-HEAD-SUPPLIER-FOR-M-SERIES-ENGINE | Baudouin Engine Cylinder Head Supplier for M Series Engine | cylinder head | Details |
| BAUDOUIN-WEICHAI-DIESEL-ENGINE-CYLINDER-LINER-FOR-4M-6M-12M-20M-ENGINE | Baudouin Weichai Diesel Engine Cylinder Liner for 4M 6M 12M 20M Engine | cylinder liner | Details |
| BAUDOUIN-WEICHAI-FULL-ENGINE-GASKET-SET-VALVE-COVER-GASKET-CYLINDER-GASKET | Baudouin Weichai Full Engine Gasket Set / Valve Cover Gasket / Cylinder Gasket | gasket kit | Details |
| BAUDOUIN-WEICHAI-OEM-PISTON-AND-RING-FOR-4M06-6M21-8M21-12M26-20M33-SERIES-ENGINES | Baudouin Weichai OEM Piston and Ring for 4M06 6M21 8M21 12M26 20M33 Series Engines | 4M06 | Details |
| BAUDOUIN-DIESEL-ENGINE-ACCESSORIES-WATER-PUMP-1000059417 | Baudouin Diesel Engine Accessories Water Pump 1000059417 | water pumps and oil pumps | Details |
| BAUDOUIN-DIESEL-ENGINE-ACCESSORIES-WATER-PUMP-610800060233 | Baudouin Diesel Engine Accessories Water Pump 610800060233 | water pumps and oil pumps | Details |
Related pages
- Baudouin engine parts
- Baudouin part numbers
- Overhaul kits
- Related guide
- Baudouin pistons and piston rings
- Baudouin cylinder liner
- Baudouin cylinder head
- Baudouin gasket kit
- Baudouin water pumps and oil pumps