Description
FPT N45-100 100hp – Professional Overview
The NEW FPT N45-100 100hp Bobtail Marine Diesel Engine is designed for boat owners, marine professionals and commercial operators looking for a new diesel propulsion package suitable for repowering applications.
The N45-100 is supplied as a bobtail marine engine, giving customers the flexibility to select a suitable gearbox according to the vessel’s propulsion system and installation requirements.
The package is supplied new and crated, with several important installation components included to support integration into a compatible marine application.
Engine Package and Included Equipment
This FPT N45-100 marine diesel engine package includes more than the engine itself.
The supplied package includes flexible engine mountings, allowing the engine to be positioned and secured within a compatible engine compartment. A control panel and 7.0-metre wiring harness are also included for the engine’s control and electrical integration.
The package further includes a water-cooled exhaust elbow, an important component of the marine exhaust installation.
A 12V electrical system is included as standard in the supplied configuration, while a 24V electrical system is available on request.
Repowering and Marine Applications
The FPT N45-100 is particularly relevant to boat owners considering a marine diesel repower.
Repowering involves replacing an existing propulsion engine while retaining as much of the existing vessel infrastructure as practical. Because the N45-100 is supplied as a bobtail configuration, the appropriate gearbox can be selected according to the vessel and propulsion requirements.
The engine may be considered for compatible commercial boats, workboats and other marine applications requiring approximately 100hp of diesel propulsion.
Actual suitability depends on the vessel’s engine space, shaft arrangement, gearbox requirements, propeller characteristics, electrical system and manufacturer’s recommended installation parameters.
Cooling and Marine Installation
The N45-100 package is supplied with a heat exchanger cooling system, a configuration commonly used for marine diesel installations.
The heat exchanger allows the engine’s internal cooling circuit to be managed separately from the seawater side of the cooling system.
The supplied water-cooled exhaust elbow is also designed as part of the marine engine installation, helping integrate the engine with the vessel’s exhaust arrangement.
For any repower project, cooling capacity, exhaust routing, ventilation and seawater intake arrangements should be checked against the specific installation.
Electrical and Control Configuration
The standard package includes a 12V electrical system, together with the control panel and 7.0 m wiring harness.
For vessels using a higher-voltage electrical architecture, a 24V electrical system can be requested.
The availability of different electrical configurations gives marine installers additional flexibility when matching the engine package to an existing vessel system.
Gearbox Options and Installation Flexibility
One of the advantages of the bobtail configuration is the ability to select a gearbox appropriate to the vessel’s propulsion arrangement.
A wide range of gearbox options is available on request, allowing the engine package to be configured for different marine propulsion requirements.
Gearbox selection should take into account the vessel’s shaft system, reduction requirement, propeller, engine operating characteristics and available installation space.
Customers replacing an existing engine should provide the existing gearbox and propulsion information where possible so compatibility can be evaluated before ordering.
Build Quality and Long-Term Use
FPT marine engines are developed for demanding propulsion environments where dependable diesel power and practical serviceability are important considerations.
The supplied N45-100 package is designed as a complete marine installation solution rather than a standalone automotive engine, with marine-specific components such as the heat exchanger cooling system, water-cooled exhaust elbow, engine controls and flexible mounts included.
For long-term reliability, correct installation, appropriate servicing and adherence to the manufacturer’s maintenance requirements remain essential.
Who This Engine Is Best For
The NEW FPT N45-100 100hp Bobtail Marine Diesel Engine is best suited to:
- Boat owners planning a 100hp marine diesel repower
- Commercial and working vessels requiring compatible diesel propulsion
- Marine engineers and boatyards undertaking engine replacement projects
- Installations requiring a flexible bobtail engine configuration
- Buyers who need gearbox options tailored to their propulsion system
Before purchasing, the vessel’s existing engine dimensions, shaft arrangement, gearbox, electrical system and cooling requirements should be checked.
Technical Specifications
| Specification | Details |
|---|---|
| Product | NEW FPT N45-100 100hp Bobtail Marine Diesel Engine |
| Manufacturer | FPT |
| Model | N45-100 |
| Power | 100hp |
| Engine Configuration | 4-cylinder |
| Engine Type | Marine diesel |
| Cooling System | Heat exchanger cooled |
| Package Type | Bobtail |
| Engine Mountings | Flexible engine mountings included |
| Control Panel | Included |
| Wiring Harness | 7.0 m |
| Exhaust | Water-cooled exhaust elbow included |
| Electrical System | 12V |
| 24V Electrical System | Available on request |
| Gearbox Options | Wide range available on request |
| Condition | Brand new |
| Packaging | Crated |
Ordering and Support
The FPT N45-100 100hp marine diesel engine is supplied as a new, crated package with the major components listed above.
Because this is a repower-oriented marine engine package, buyers should confirm the intended vessel application and installation requirements before ordering. Gearbox selection, electrical voltage and other configuration requirements can be discussed according to the specific vessel.
Additional FPT marine engine models, spare parts and installation components are also available through authorised FPT dealer support.
Frequently Asked Questions
What is the FPT N45-100?
The FPT N45-100 is a 100hp four-cylinder marine diesel engine supplied in a bobtail configuration. The package includes flexible mounts, control panel, 7.0 m wiring harness, water-cooled exhaust elbow and a 12V electrical system.
Is the FPT N45-100 suitable for repowering?
Yes. The N45-100 is suitable for compatible marine repowering projects where approximately 100hp of diesel propulsion is required. Installation compatibility should be checked based on the vessel, existing propulsion system, engine dimensions, gearbox and electrical configuration.
What cooling system does the N45-100 use?
The supplied FPT N45-100 package uses heat exchanger cooling. It also includes a water-cooled exhaust elbow as part of the marine installation package.
Does the N45-100 include a gearbox?
The supplied package is a bobtail engine configuration. A wide range of gearbox options is available on request, allowing the propulsion system to be configured according to the vessel’s requirements.
Does the FPT N45-100 use a 12V or 24V electrical system?
The supplied configuration includes a 12V electrical system. A 24V electrical system is available on request for vessels requiring that electrical configuration.
What is included with the FPT N45-100 package?
The package includes the new four-cylinder engine, flexible engine mountings, control panel, 7.0 m wiring harness, water-cooled exhaust elbow and 12V electrical system. Gearbox options and a 24V electrical system can be requested separately.
Who is the FPT N45-100 best suited for?
The engine is particularly suited to boat owners, commercial operators, marine engineers and boatyards undertaking compatible 100hp diesel repower projects where a new bobtail marine engine is required.
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