Sulzer · Main Engine

Sulzer X40-B Spare Parts

Genuine and Alang-reconditioned spare parts for the Sulzer X40-B two-stroke crosshead marine diesel engine — small/handysize bulkers, coastal tankers, small product tankers, general cargo, small reefer vessels. Shipped from Bhavnagar, India to any port worldwide.

Parameter	X40-B
Maker	Sulzer
Model	X40-B
Equipment	Two-stroke crosshead marine diesel engine
Bore	400 mm
Stroke	1,770 mm (estimated; not publicly stated, derived from family stroke/bore ratio ~4.4)
Cylinders	5–8 cylinders
Speed at MCR	~146 rpm
MEP	~21 bar (R1)
SFOC	~173 g/kWh (Tier II, 100% load)
Fuel	HFO + MGO
IMO Tier	Tier II / Tier III (SCR)
Status	Legacy / quietly discontinued — WinGD's 2026 portfolio has removed X40-B from active offering; spare parts and service s
Application	Small/handysize bulkers, coastal tankers, small product tankers, general cargo, small reefer vessels

Figures as published for the X40-B. Where a figure is not in a source we hold, this page says “not published to us” rather than estimating it. Send your equipment and part number and we confirm against the nameplate before quoting.

X40-B Spare Parts We Supply

Cylinder liner
Piston crown
Piston skirt
Piston rod
Piston rings
Cylinder cover
Exhaust valve spindle, seat and cage
Fuel injection pump
Fuel valve / injector
Starting air valve
Stuffing box
Main, crosshead and crankpin bearings
Thrust bearing
Cylinder lubricator quills
Turbocharger rotor and nozzle ring

Genuine, OEM-equivalent and Alang-reconditioned. Every reconditioned part is measured against the maker’s limits before it leaves us. If your part is not listed, send the part number — most Sulzer items are sourceable through the yard.

About the Sulzer X40-B

The Sulzer X40-B is a two-stroke crosshead marine diesel engine. It runs a 400 mm bore and 1,770 mm (estimated; not publicly stated, derived from family stroke/bore ratio ~4.4) stroke. Status: Legacy / quietly discontinued — WinGD's 2026 portfolio has removed X40-B from active offering; spare parts and service still supported. Application: Small/handysize bulkers, coastal tankers, small product tankers, general cargo, small reefer vessels

Source: our Main Engine spec research file (main-engine/01-wartsila-wingd.md).

Why Source X40-B Parts from Wattmare?

We are in Bhavnagar, next to Alang — the world’s largest ship-recycling yard, and where reconditioned marine parts actually come from. We hold fast-moving items, source the rest through the yard and our trader network, and dispatch worldwide in 24–48 hours on emergency orders.

Salim Dholia
Wattmare · Bhavnagar / Alang, India

View All Sulzer Models

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Frequently Asked Questions

What Sulzer X40-B spare parts do you supply?

Genuine, OEM-equivalent and Alang-reconditioned parts for the X40-B, including cylinder liner, piston crown, piston skirt, piston rod, piston rings. Send the part number for anything not listed.

What is the delivery time for X40-B parts?

Stock items dispatch the same or next working day from Bhavnagar. Emergency orders ship in 24–48 hours to any major port. Sourced items depend on the yard — we confirm a real date before you commit.

Are your X40-B parts genuine or reconditioned?

Both. We supply genuine and OEM-equivalent new parts, and Alang-reconditioned parts measured against the maker's limits before dispatch. We tell you which you are buying — we do not sell reconditioned as new.

Need X40-B parts?

Send the equipment number and part number. We quote with a real availability date, not a maybe.

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