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Home›Engines›Iveco/FPT N45 SM1 4.5L

Iveco/FPT N45 SM1 4.5L Engine

The Iveco/FPT N45 SM1 4.5L is a 4.5 L natural engine rated at 1800 rpm. It powers generator sets from Winco, including the DR45F4. It holds 13.5 L (14.3 US qt) of oil and 50 L (13.2 gal) of coolant.

Also known as: FPT N45 SM1 4.5L

Part of the Iveco/FPT N45 engine family — 46 variants share parts & fitment.

4.5 L
Displacement
1800 rpm
Rated speed
13.5 L
Oil capacity
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Engine specifications

Oil capacity13.5 L (14.3 US qt)
Coolant capacity50.0 L
Displacement4.5 L
AspirationNatural
Rated speed1800 rpm

Common problems

8
  • Unit will not crank when power fails
    Cause: Digital genset not in AUTO
  • Engine won't crank
    Cause: Low/dead battery
  • Engine cranks but will not start
    Cause: Improper fuel delivery to the unit
  • Engine will not come up to speed after it starts
    Cause: Insufficient fuel volume getting to the unit — 1. Too small of fuel line
  • Engine starts, then stops and alarm light comes on
    Cause: Engine oil pressure is low
  • ATS will not transfer to Emergency Supply (generator)
    Cause: No AC generator output
  • No output from AC generator
    Cause: Loss of speed signal
  • ATS will not re-transfer to normal power
    Cause: Proper power line not available at line terminals in ATS panel

Compiled from service & troubleshooting documentation across every generator set that uses the Iveco/FPT N45 SM1 4.5L.

Parts cataloged across the Iveco/FPT N45 family

12
Part #DescriptionCategory
16200-028Air FilterAir filter
16200-013BeltBelt
16200-022OilFluid
16200-019Fuel FilterFuel filter
16200-025Oil FilterOil filter
C13TEVP01Motori FPT Industrial C13TEVP01Service part / kit
C13TEVP03Motori FPT Industrial C13TEVP03Service part / kit
C87TEVP01Motori FPT Industrial C87TEVP01Service part / kit
C87TEVP04Motori FPT Industrial C87TEVP04Service part / kit
N45SM1FMotori FPT Industrial N45SM1FService part / kit
N67TEVP05Motori FPT Industrial N67TEVP05Service part / kit
N67TEVP06Motori FPT Industrial N67TEVP06Service part / kit

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

What is the oil capacity of the Iveco/FPT N45 SM1 4.5L?

The Iveco/FPT N45 SM1 4.5L engine has an oil capacity of 13.5 L (14.3 US qt).

What is the displacement of the Iveco/FPT N45 SM1 4.5L?

The Iveco/FPT N45 SM1 4.5L has a displacement of 4.5 liters.

Which generators use the Iveco/FPT N45 SM1 4.5L engine?

The Iveco/FPT N45 SM1 4.5L powers 1 generator set(s), including Winco DR45F4.

What is a common problem with the Iveco/FPT N45 SM1 4.5L engine?

A commonly reported issue on generators using the Iveco/FPT N45 SM1 4.5L is: Unit will not crank when power fails. Cause: Digital genset not in AUTO.