John Deere

Alfa Marine Spare Parts supplies genuine, OEM-quality, and selected aftermarket John Deere marine engine spare parts for commercial vessels, fishing boats, workboats, tugboats, passenger ferries, patrol vessels, pilot boats, offshore support vessels, yachts, and marine generator sets.

We help shipowners, fleet operators, shipyards, marine workshops, engine rebuilders, and yacht-management companies source John Deere marine replacement parts with worldwide shipping.

Whether you require a routine service filter, fuel injector, water pump, turbocharger, cylinder-head component, overhaul kit, or complete cooling-system component, Alfa Marine Spare Parts can assist with parts identification using the engine model, serial number, and existing part number.

John Deere produces marine propulsion, auxiliary, and generator-drive engines for commercial and recreational applications. Its marine range is widely used in vessels requiring dependable low-speed torque, fuel efficiency, durability, and serviceability.

John Deere 4045 Marine Engines

The John Deere 4045 is a four-cylinder, 4.5-litre engine family used in smaller commercial and recreational vessels.

Popular marine models include:

• John Deere 4045DFM
• John Deere 4045TFM
• John Deere 4045AFM
• John Deere 4045TFM85
• John Deere 4045AFM85
• John Deere 4045SFM85

The current John Deere propulsion range includes the 4045TFM85, rated at approximately 75–93 kW or 100–125 hp, depending on its rating and configuration.

Typical applications include:

• Small fishing boats
• Harbour vessels
• Pilot boats
• Workboats
• Passenger launches
• Sailboat auxiliaries
• Small marine generator sets

Popular search terms include:

• John Deere 4045 marine parts
• John Deere 4045 water pump
• John Deere 4045 fuel injector
• John Deere 4045 overhaul kit
• John Deere 4045 turbocharger
• John Deere 4045 marine engine filters

John Deere 6068 Marine Engines

The John Deere 6068 is a six-cylinder, 6.8-litre marine diesel-engine family. It is one of the most widely recognized John Deere marine platforms for commercial vessels, fishing boats, workboats, and passenger craft.

Popular models include:

• John Deere 6068TFM
• John Deere 6068AFM
• John Deere 6068SFM
• John Deere 6068TFM75
• John Deere 6068AFM75
• John Deere 6068SFM75
• John Deere 6068AFM85
• John Deere 6068SFM85

The 6068AFM85 propulsion engine is listed in the current John Deere range at approximately 172–246 kW or 230–330 hp. John Deere highlights the high torque and relatively low rated speed of the 6068SFM85 as beneficial for vessel control, manoeuvrability, reduced noise, and reduced vibration.

Typical applications include:

• Commercial fishing vessels
• Patrol boats
• Tugboats
• Ferries
• Crew-transfer vessels
• Pilot boats
• Sportfishing boats
• Marine generator sets

Popular search terms include:

• John Deere 6068 marine engine parts
• John Deere 6068 injector
• John Deere 6068 seawater pump
• John Deere 6068 turbocharger
• John Deere 6068 cylinder head
• John Deere 6068 overhaul kit

John Deere 6090 Marine Engines

The John Deere 6090 is a six-cylinder, 9.0-litre PowerTech marine engine used in medium-duty and heavy-duty commercial marine applications.

Popular models include:

• John Deere 6090AFM
• John Deere 6090SFM
• John Deere 6090AFM75
• John Deere 6090SFM75
• John Deere 6090AFM85
• John Deere 6090SFM85

Typical applications include:

• Commercial fishing boats
• Tugboats
• Passenger ferries
• Patrol vessels
• Crew boats
• Offshore-service vessels
• Large workboats
• Marine generator sets

The PowerTech 4045, 6068, and 6090 marine-engine families are commonly offered in keel-cooled and heat-exchanger configurations for commercial marine use.

Popular search terms include:

• John Deere 6090 marine parts
• John Deere 6090 fuel injector
• John Deere 6090 water pump
• John Deere 6090 turbocharger
• John Deere 6090 piston and liner kit
• John Deere 6090 engine overhaul parts

John Deere 6135 Marine Engines

The John Deere 6135 is a six-cylinder, 13.5-litre marine diesel engine used in larger commercial vessels and heavy-duty marine applications.

Popular models include:

• John Deere 6135AFM75
• John Deere 6135SFM75
• John Deere 6135AFM85
• John Deere 6135SFM85

The 6135SFM85 designation identifies a six-cylinder, 13.5-litre, turbocharged and aftercooled marine engine.

Typical applications include:

• Tugboats
• Offshore-support vessels
• Large fishing vessels
• Passenger ferries
• Dredgers
• Patrol vessels
• Commercial workboats
• Marine generator sets

Popular search terms include:

• John Deere 6135 marine parts
• John Deere 6135 fuel injector
• John Deere 6135 cylinder head
• John Deere 6135 turbocharger
• John Deere 6135 overhaul kit
• John Deere 6135 marine engine filters

John Deere 6081 and 6125 Marine Engines

Older John Deere marine engines such as the 6081 and 6125 remain in operation around the world and continue to create demand for replacement parts.

Common models include:

• John Deere 6081AFM
• John Deere 6081TFM
• John Deere 6081 marine generator engines
• John Deere 6125AFM
• John Deere 6125SFM
• John Deere 6125 marine generator engines

Typical applications include:

• Fishing vessels
• Passenger ferries
• Tugboats
• Workboats
• Generator sets
• Offshore vessels
• Government craft

Popular search terms include:

• John Deere 6081 marine parts
• John Deere 6081 injector
• John Deere 6081 overhaul kit
• John Deere 6125 marine engine parts
• John Deere 6125 turbocharger
• John Deere 6125 cylinder-head parts

John Deere 3029 and 4039 Marine Engines

Compact and older John Deere engines are still used as propulsion, auxiliary, and generator-drive units.

Common engine families include:

• John Deere 3029
• John Deere 4039
• John Deere 4045
• John Deere 6068

John Deere’s generator-engine reference range includes engine families such as the 3029, 4039, 4045, 6068, 6090, 6125, and 6135.

Typical applications include:

• Small marine generator sets
• Auxiliary pumps
• Harbour craft
• Small fishing vessels
• Sailboats
• Emergency generators

John Deere announced the expansion of its marine-engine range with the new JD14 and JD18 heavy-duty marine engines.

The engines are designed to expand John Deere’s marine power range, with reported outputs from approximately 298 to 599 kW, or 400 to 803 hp. Production was announced for 2026.

John Deere JD14 Marine Engine

The JD14 is designed as a compact, high-output marine diesel engine for vessels requiring greater power without excessive installation size.

Expected applications include:

• Commercial fishing vessels
• Pilot boats
• Patrol craft
• Passenger ferries
• Tugboats
• Offshore-service vessels
• Large workboats

John Deere JD18 Marine Engine

The JD18 is intended for heavier-duty marine propulsion and auxiliary-power applications.

Expected applications include:

• Large fishing vessels
• Offshore-support vessels
• High-load workboats
• Ferries
• Tugboats
• Commercial marine generator sets

Industry reporting indicates that the JD14 and JD18 are intended to extend John Deere’s heavy-duty marine range and eventually replace certain 13.5-litre 6135 marine applications.

John Deere engines are also widely used to power marine generator sets.

Marine generator-engine applications include:

• Main shipboard electrical generation
• Emergency generators
• Harbour generators
• Auxiliary generator sets
• Yacht generators
• Fishing-vessel generators
• Offshore-platform support equipment

Common generator engine families include:

• John Deere 3029
• John Deere 4039
• John Deere 4045
• John Deere 6068
• John Deere 6090
• John Deere 6125
• John Deere 6135

Alfa Marine Spare Parts supplies John Deere marine engine parts across the following product categories.

Fuel-System Parts

• Fuel injectors
• Injector nozzles
• Common-rail injectors
• High-pressure fuel pumps
• Fuel-transfer pumps
• Fuel-filter heads
• Fuel lines
• Injector seals
• Fuel-pressure sensors
• Fuel-control valves

Cooling-System Parts

• Freshwater pumps
• Raw-water pumps
• Seawater pumps
• Water-pump repair kits
• Impellers
• Thermostats
• Thermostat housings
• Heat exchangers
• Expansion tanks
• Coolant pipes
• Oil coolers
• Aftercoolers
• Gaskets and seals

Engine Overhaul Parts

• Complete overhaul kits
• In-frame overhaul kits
• Pistons
• Piston-ring sets
• Cylinder liners
• Liner seals
• Connecting rods
• Main bearings
• Connecting-rod bearings
• Thrust bearings
• Crankshafts
• Camshafts
• Tappets
• Bushings

Cylinder-Head and Valve-Train Parts

• Complete cylinder heads
• Cylinder-head gaskets
• Inlet valves
• Exhaust valves
• Valve guides
• Valve seats
• Valve springs
• Rocker arms
• Pushrods
• Valve-cover gaskets
• Injector sleeves

Air-Intake and Turbocharger Parts

• Complete turbochargers
• Turbocharger cartridges
• Turbocharger repair kits
• Compressor wheels
• Turbine wheels
• Exhaust manifolds
• Intake manifolds
• Air filters
• Charge-air coolers
• Turbocharger oil lines
• Mounting gaskets

Lubrication-System Parts

• Engine oil pumps
• Oil filters
• Oil-filter housings
• Oil coolers
• Oil-pressure regulators
• Oil-pressure sensors
• Oil pans
• Dipsticks
• Lubrication pipes
• Gaskets and seals

Electrical and Electronic Parts

• Starter motors
• Alternators
• Electronic control units
• Engine control modules
• Wiring harnesses
• Speed sensors
• Temperature sensors
• Pressure sensors
• Solenoids
• Relays
• Instrument panels
• Marine displays

John Deere also offers marine instrumentation, engine-mounted auxiliary drives, remote station controls, and related marine-engine accessories for selected 4045, 6068, 6090, and 6135 engines.

Frequently requested service and maintenance products include:

• John Deere marine oil filters
• John Deere marine fuel filters
• John Deere air filters
• John Deere fuel injectors
• John Deere water pumps
• John Deere seawater-pump impellers
• John Deere thermostats
• John Deere belts
• John Deere turbochargers
• John Deere gasket kits
• John Deere piston-and-liner kits
• John Deere cylinder-head gaskets
• John Deere overhaul kits
• John Deere starter motors
• John Deere alternators
• John Deere pressure sensors
• John Deere temperature sensors

John Deere marine engines are used in:

• Commercial fishing boats
• Lobster boats
• Shrimp boats
• Trawlers
• Tugboats
• Push boats
• Workboats
• Pilot boats
• Patrol vessels
• Fireboats
• Passenger ferries
• Crew-transfer vessels
• Offshore-support vessels
• Dredgers
• Research vessels
• Harbour vessels
• Recreational yachts
• Marine generator sets

Alfa Marine Spare Parts supports customers operating near major shipbuilding, repair, dry-dock, and marina centres around the world.

The following company names are provided as geographic and industry references. They do not imply that Alfa Marine Spare Parts is an authorized supplier to, affiliated with, or officially approved by these companies.

Major Shipyards in the United States

• Huntington Ingalls Industries – Newport News Shipbuilding
• Huntington Ingalls Industries – Ingalls Shipbuilding
• General Dynamics NASSCO
• General Dynamics Bath Iron Works
• Fincantieri Marinette Marine
• Austal USA
• Bollinger Shipyards
• Eastern Shipbuilding Group
• Vigor Marine
• Conrad Shipyard
• Gulf Copper
• BAE Systems Jacksonville Ship Repair
• Hanwha Philly Shipyard

These facilities support naval construction, commercial shipbuilding, repair, refit, offshore vessels, ferries, patrol craft, and workboat fleets.

Major Shipyards in the United Kingdom

• Navantia UK – Harland & Wolff Belfast
• Cammell Laird
• A&P Falmouth
• A&P Tyne
• A&P Tees
• Babcock Rosyth
• Ferguson Marine
• BAE Systems Maritime
• Damen Shipyards Group operations in the United Kingdom

Harland & Wolff’s Belfast and associated facilities entered a new ownership structure through Navantia UK, so website content should use the current company naming rather than presenting Harland & Wolff as an unchanged independent group.

Major Shipyards in Dubai and the UAE

• Drydocks World Dubai
• Dubai Maritime City
• Grandweld Shipyards
• Albwardy Damen
• Gulf Craft
• Premier Marine Engineering Services
• Al Seer Marine

These marine centres serve offshore vessels, commercial fleets, naval craft, superyachts, tugs, workboats, and regional ship-repair customers.

Major Shipyards in Brazil

• Estaleiro Atlântico Sul
• BrasFELS
• Estaleiro Rio Grande
• Wilson Sons Shipyards
• Mauá Shipyard
• Enseada Shipyard
• Detroit Brasil ship-repair facilities
• INACE Shipyard

Brazilian maritime operations include offshore-support vessels, oil-and-gas fleets, tugboats, patrol vessels, passenger craft, fishing boats, and commercial ship repair.

Major Shipyards in Europe

Netherlands

• Damen Shipyards
• Damen Shiprepair Rotterdam
• Royal IHC
• Royal Niestern Sander
• Holland Shipyards Group
• De Haas Shipyards

Germany

• Meyer Werft
• Lürssen
• German Naval Yards
• Fassmer
• Abeking & Rasmussen
• Blohm+Voss

France

• Chantiers de l’Atlantique
• Naval Group
• Piriou
• OCEA
• Chantier Naval de Marseille

Italy

• Fincantieri
• Sanlorenzo
• Benetti
• Palumbo Superyachts
• CRN
• Rosetti Marino

Spain

• Navantia
• Astilleros Armón
• Astilleros Gondán
• Freire Shipyard
• Aresa Shipyard
• Metalships & Docks

Aresa states that it builds vessels up to approximately 60 metres in steel, aluminium, and composite materials.

Norway

• Vard
• Ulstein Verft
• Myklebust Verft
• Green Yard Kleven
• Larsnes Mek Verksted

Poland

• Remontowa Shiprepair Yard
• Remontowa Shipbuilding
• Crist Shipyard
• Nauta Shiprepair Yard

Croatia

• Brodosplit
• Maj Shipyard
• Viktor Lenac Shipyard

United States

• Lauderdale Marine Center
• Safe Harbor Lauderdale Marine Center
• Bahia Mar Yachting Center
• Rybovich Marina
• Newport Shipyard
• Derecktor Fort Pierce
• San Diego Superyacht Marina

United Kingdom

• Ocean Village Marina
• Hamble Point Marina
• Port Solent Marina
• Premier Brighton Marina
• Queen Anne’s Battery
• Pendennis Marina

Dubai and the UAE

• Dubai Harbour
• Dubai Marina Yacht Club
• Port Rashid Marina
• Yas Marina
• Emirates Palace Marina
• Al Hamra Marina

Brazil

• Marina da Glória
• Marina Verolme
• BR Marinas
• Marina Itajaí
• Iate Clube de Santos
• Marina Piratas

Europe

• Marina Port Vell
• Port Adriano
• Puerto Banús
• Marina Ibiza
• Port Vauban
• Port de Saint-Tropez
• Marina Genova
• Porto Cervo Marina
• Flisvos Marina
• Alimos Marina
• ACI Marina Split
• ACI Marina Dubrovnik
• Marina Portorož
• Porto Montenegro

Alfa Marine Spare Parts exports John Deere marine engine components to customers in:

• United States
• Canada
• United Kingdom
• Ireland
• Netherlands
• Belgium
• Germany
• France
• Spain
• Portugal
• Italy
• Greece
• Croatia
• Norway
• Denmark
• Poland
• Turkey
• United Arab Emirates
• Saudi Arabia
• Qatar
• Oman
• Brazil
• Guyana
• Suriname
• Caribbean
• Singapore
• Malaysia
• Indonesia
• Australia
• New Zealand
• South Africa
• Nigeria
• Angola

Customers choose Alfa Marine Spare Parts for:

• Genuine John Deere marine parts
• OEM-quality replacement components
• Selected aftermarket alternatives
• Technical parts identification
• Worldwide export service
• Competitive quotations
• Support for older and current engine families
• Fast shipment to major ports
• Assistance with superseded part numbers
• Support for propulsion and generator engines

John Deere marine engines are available in different duty ratings, cooling arrangements, emission levels, fuel-system versions, and propulsion or generator configurations.

A part used on one 6068 or 6090 engine may not fit every engine carrying the same basic displacement designation.

Before ordering, customers should provide:

• Complete engine model
• Engine serial number
• Existing John Deere part number
• Engine arrangement or option code
• Propulsion or generator application
• Keel-cooled or heat-exchanger configuration
• Photographs of the existing component
• Required quantity
• Delivery destination

John Deere engine model codes contain important information such as cylinder count, displacement, aspiration type, application, and emission configuration.

Looking for John Deere 4045, 6068, 6081, 6090, 6125, 6135, JD14, or JD18 marine engine parts?

Send Alfa Marine Spare Parts your:

• Engine model
• Engine serial number
• Required part numbers
• Product descriptions
• Quantities
• Photographs
• Delivery country and port

We supply genuine, OEM-quality, and selected aftermarket John Deere marine-engine components for scheduled maintenance, emergency repairs, and complete engine overhauls.

Alfa Marine Spare Parts – Your Worldwide Supplier of John Deere Marine Engine Spare Parts.

Do you supply John Deere marine engine parts?

Yes. Alfa Marine Spare Parts supplies genuine, OEM-quality, and selected aftermarket components for John Deere marine propulsion, auxiliary, and generator engines.

Which John Deere marine engines do you support?

We supply parts for engine families including the John Deere 3029, 4039, 4045, 6068, 6081, 6090, 6125, and 6135, subject to part availability and serial-number verification.

Can you identify the correct part using the engine serial number?

Yes. Customers should submit the complete engine model, serial number, existing part number, and photographs whenever possible.

Do you supply parts for older John Deere marine engines?

Yes. Many older John Deere engines remain in commercial and recreational service. Availability depends on the exact engine version and required component.

Do you ship John Deere marine parts worldwide?

Yes. We arrange international delivery to shipyards, ports, marinas, vessel operators, workshops, and marine service companies worldwide.

Can you supply complete John Deere overhaul kits?

Depending on the engine model, we can source complete overhaul kits, in-frame kits, piston-and-liner kits, gasket sets, bearings, cylinder-head components, and related engine-rebuild parts.