Mercedes

Engine Manufacturer: Mercedes
Engine Model: 904.971 and 904.975, tier 3
Engine Family: OM904 LA, tier 3

1. Please note down the first six digits of the engine serial number
2. If it is 904.971, then the engine is approved for 173 hp @2200 rpm power rating
   (for ventilation rates see certificate # 1191 under MTU Detroit Diesel)
3. If it is 904.975, then the engine is approved for 148 hp, 121 hp, and 101 hp power ratings @2200 rpm
   (for ventilation rates see certificate # 1191 under MTU Detroit Diesel)

Engine Manufacturer: Mercedes
Engine Model: 906.991, tier 3
Engine Family: OM906 LA, tier 3

1. Please note down the first six digits of the engine serial number
2. If it is 906.991, then the engine is approved for 275 hp, 255 hp, 215 hp, and 201 hp power ratings @2200 rpm
   (for ventilation rates see certificate # 1192 under MTU Detroit Diesel)

Engine Manufacturer: Mercedes
Engine Model: 926.929, tier 3
Engine Family: OM926 LA, tier 3

1. Please note down the first six digits of the engine serial number
2. If it is 926.929, then the engine is approved for 322 hp, and 295 hp power ratings @2200 rpm
   (for ventilation rates see certificate # 1193 under MTU Detroit Diesel)