Marine and Industrial Transmissions

Marine and Industrial Transmissions Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Marine and Industrial Transmissions, Engineering service, Queenborough Shipyard, Queenborough.

The Driveline Experts

Land or Sea we keep you driving

Marine & Industrial Transmissions Ltd, (MIT Group) are prime suppliers of new units, spares and service of marine gears, power-shift transmissions, power take-offs and associated products.

03/06/2026

The driveline does not just move the vessel.

It drives the work.

On many commercial vessels, the driveline is not only about propulsion. IIt also powers hydraulic pumps, winches, deck machinery and auxiliary systems that keep the vessel productive every day.

That is where the Twin Disc, Inc. PFI 60 comes in.

The PFI 60 is a rugged-duty hydraulic PTO designed for high-horsepower applications, helping deliver reliable power to the critical systems vessels depend on every day.

Compact yet powerful, it features a multiple-disc oil bath clutch, hydraulic actuation with a 24V DC solenoid selector and flexible mounting options, including engine, remote, pump drive input/output or free-standing setups.

Available with SAE 1, 2 or 3 housings, the PFI 60 supports cylindric or splined shaft connections and external oil cooling, giving operators reliable, versatile performance in demanding environments.

In simple terms, it is built to deliver power where the vessel needs it.

Because when auxiliary systems stop, the vessel may still be able to move, but the work stops.

Winches cannot pull.
Hydraulics cannot hold pressure.
Deck systems cannot operate.

The result is not just a driveline issue; it is lost working capability.

The Twin Disc PFI 60 is not just about keeping vessels moving; it is about keeping them working.

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Need support with auxiliary drives, power winches, hydraulics or deck systems?

Speak to MIT about auxiliary systems: https://mitgroup.co.uk/contact-us/

02/06/2026

What should be in place before something fails?

Planned maintenance.

Not because something has already broken, but because most gearbox failures start long before operators see obvious symptoms.

MIT recently completed a scheduled overhaul on a Twin Disc MGX5114 marine gearbox. Once the unit had been stripped and inspected, debris was found within the suction strainer, while wear was also identified on clutch components, the oil pump and seal running surfaces.

None of those issues had yet caused major failure.

That is the value of planned inspection work. It gives operators visibility into the condition of the drivetrain before wear starts affecting reliability, availability and operational schedules.

We saw similar themes during the overhaul and reinstallation of Reintjes WAF163 gearboxes onboard a crew transfer vessel, where alignment work, onsite fault finding and final sea trial support all formed part of the wider job.

In practice, reliable propulsion systems depend on far more than the gearbox itself. Alignment, installation quality, mounting condition and system integration all play a part in long-term performance.

Whether supporting Twin Disc or Reintjes gears, the objective is ultimately the same: identifying wear early, planning intervention properly and reducing operational disruption wherever possible.

Because the best time to deal with wear is before it becomes failure.

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Is your gearbox due for inspection, overhaul or planned maintenance support?

Speak to MIT about service planning ahead of your next operational window or dry dock period.

https://mitgroup.co.uk/contact-us/

28/05/2026

MIT are heading back to Seawork, 9th to 11th June, ready to show the systems, support and engineering expertise that help keep commercial vessels moving.

Visit us on stand H10 to discuss marine drivetrain, propulsion and control solutions designed to support operational reliability, propulsion integration and full lifecycle support.

On stand, we will be showcasing:

**Veth Compact Grid**

A compact bow thruster designed for maximum thrust with minimum immersion. With 360-degree steering, electric and hydraulic drive options, and power up to 160 kW, the Veth Compact Grid is simple, robust and easy to install.

**Danfoss iC7 drive technology**

The next generation of Danfoss VFDs and power converters, designed to improve motor control, energy efficiency and system reliability. For marine and offshore applications, iC7 technology supports propulsion and thruster systems with intelligent control, secure connectivity and high torque performance.

**Twin Disc Marine Transmissions**

Proven marine transmission solutions for demanding commercial vessel applications. From specification and supply through to commissioning, servicing and repair, MIT supports operators with the right Twin Disc solution for their vessel and duty cycle.

**Danfoss Servicing and Support**

Reliable drive technology needs the right support behind it. MIT provides Danfoss servicing expertise to help operators maintain performance, reduce downtime and keep critical systems operating as intended.

**MyDriveTrain**

Backed by over 50 years of OEM-standard expertise, MyDriveTrain provides complete support across the full lifecycle of your critical assets, going beyond routine service. From performance optimisation and regulatory compliance to long-term reliability and repair, MIT helps you maximise uptime, extend asset life and operate with confidence.

A dependable partner for every stage of your driveline’s journey.

Our Marine Sales Engineers will be on hand throughout the show to answer questions, discuss your vessel requirements and explain how MIT can support your drivetrain and propulsion needs.

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Visit MIT at stand H10 at Seawork 2026.

Or arrange a dedicated meeting with the team to discuss how we can support your business.

27/05/2026

Pilot and patrol vessels depend on response.

Fast engagement.
Smooth manoeuvring.
Reliable control.
Predictable handling.

MIT Marine Sales and Product Manager Keith Stevenson discusses why MGX marine gears are trusted in demanding commercial vessel applications.

A gearbox does more than transfer power from engine to propeller. It plays a major role in how a vessel feels, reacts and performs when it matters.

For high-duty vessels, the right gearbox specification is critical.

Duty cycle.
Engine package.
Control requirements.
Operating profile.
Available space.
Lifecycle support.

Keith also looks at how EC600 integration can help manage clutch engagement and vessel response with greater precision, helping crews operate confidently in tight, fast-changing conditions.

Because for pilot and patrol vessels, performance is not just about speed.

It is about control.

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Planning a new build, refit or driveline upgrade?
Come visit us at Seawork on stand H10 to discuss the MGX gears with our marine experts.

Today we organised a small summer treat for the team at our HO, with an ice cream van stopping by to give everyone the c...
26/05/2026

Today we organised a small summer treat for the team at our HO, with an ice cream van stopping by to give everyone the chance to step away for a while, catch up and enjoy the weather together.

It feels a little bittersweet as we head into our last summer at this site before moving to our new Walbrook location later this year, while continuing our journey in Queenborough.

Moments like these are an important reminder of the people behind the business and the culture we continue to build across every stage of our journey.

A successful dry dock starts before the vessel reaches the yard.The more you know ahead of docking, the better you can p...
26/05/2026

A successful dry dock starts before the vessel reaches the yard.

The more you know ahead of docking, the better you can plan the work, parts, tooling and support needed once the vessel is out of service.

That is why pre-dock preparation matters.

For a planned LufkinHS2800 gearbox overhaul, MIT’s preparation started with reviewing the vessel’s operational history, vibration logs and oil analysis trends. This helped build a clearer picture of the gearbox condition before the dry dock window began.

From there, the project could be planned properly.

Tooling lists were prepared.
OEM torque values were confirmed.
Required OEM bearings, seals and gaskets were procured.
PTO coupling and clutch system seals were planned.
Consumables were confirmed to OEM specification, including ISO VG220 / AGMA #5 gear oil.
Lifting plans and rigging certification were coordinated with the shipyard.
A risk assessment and clear project plan were put in place before work began.

Early preparation helps reduce uncertainty and gives maintenance teams better control before critical dry dock work begins.

The strongest dry dock projects start with early condition monitoring, operational reviews and proper planning for OEM parts, tooling and safety requirements.

While pre-dock planning cannot remove every unknown, it allows projects to move forward with greater control from day one — which is where MIT’s experience delivers the greatest value.

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Planning a dry dock?

Speak to MIT before the vessel is out of the water: https://mitgroup.co.uk/contact-us/

22/05/2026

A workshop rebuild should never be a guessing exercise.

When a marine gear, clutch, torque converter or MCD transmission comes into our workshop, the first stage is not deciding what to replace.

It is understanding the condition of the unit.

That means stripping it down, cleaning the components properly, and inspecting the internal parts before any repair route is confirmed.
We assess:

What can be reused?
What has reached the end of its service life?
What needs replacing to return the unit back within specification?

This MCD 3000-3 HD overhaul is one example of that process in practice.

In this case, the unit was fully stripped, cleaned and inspected before being rebuilt with new bearings, seals and clutch components.

Serviceable parts were retained where appropriate, and worn items were replaced where required.

The oil system was also flushed and refilled, helping protect the rebuilt unit from any remaining contamination in the lubrication circuit.

Because a rebuild is only as reliable as the process behind it.

Replacing parts is one stage.

Cleaning, inspection, correct assembly, oil system preparation and commissioning are what turn that rebuild into a dependable repair.

Once the gearbox was back together, MIT supported the commissioning process and pre-sea trial checks.

The MCD was confirmed operational.

The vessel then completed a successful sea trial, with pressures, temperatures, speeds and control parameters all within specification.

That is the real outcome of a workshop rebuild.

Not a box of new parts.
Not a quick repair.
A transmission that has been assessed, rebuilt, tested and proven before returning to service.

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Need support with gearbox overhaul, commissioning or lifecycle servicing?

Speak to MIT before downtime becomes the bigger issue: https://mitgroup.co.uk/contact-us/

What started as a small maintenance issue became an urgent vessel breakdown.MIT was asked to strip, survey and report on...
21/05/2026

What started as a small maintenance issue became an urgent vessel breakdown.

MIT was asked to strip, survey and report on a fishing vessel transmission following a failure in service.

The brief was straightforward:

Strip the unit.
Assess the damage.
Quote for repair as necessary.

But the inspection showed this was not a core component failure.

The gear train and main structure remained serviceable. The damage was largely isolated to consumable parts, including clutches and seals.

The root cause pointed elsewhere, water ingress.

The oil condition was emulsified and milky, which is a clear sign of contamination. Once water enters the system, the oil can no longer do its job properly.

Lubrication becomes compromised.
Clutch material starts to degrade.
Wear accelerates across components that rely on clean oil.

That is where the cost of waiting too long starts to show.

Bearings, thrust races and snap rings all showed excessive wear, likely driven by poor lubrication and contamination within the unit.

A serviceable transmission had been pushed into breakdown because the problem was not caught early enough. The problem was missed because the unit had not been serviced, and the oil had not been changed in line with manufacturer recommendations.

In this case, the damage was recoverable.

No catastrophic failure.
No destroyed gear train.
No major structural damage.

That meant a rebuild was still viable and cost-effective compared with full replacement.

But it could have been very different.

Small issues rarely stay small inside a transmission.

Contaminated oil causes clutch damage.
Clutch damage becomes debris.
Debris affects bearings, seals and running surfaces.
And a maintenance issue becomes an operational failure.

This is why early inspection and planned servicing matter.

Because the cost of an oil change is very different to the cost of an urgent breakdown.

And the cost of waiting too long is rarely just the repair.

It is the downtime too.

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Need support with marine transmission servicing, inspection or urgent breakdown repair?

Speak to MIT before a small issue becomes a major rebuild: https://mitgroup.co.uk

20/05/2026

Progress continues at our new purpose-built facility at Walbrook Business Park, Queenborough on the Isle of Sheppey.

The site is now taking shape, with the internal structure, workshop space, and operational areas becoming clearer as construction progresses.

Once complete, the 2,000 sqm facility will bring our workshop, office and support teams together under one roof, helping improve workflow, strengthen collaboration and support the continued growth of our marine, industrial and specialist vehicle services.

For MIT, this is more than a new building. It is an investment in long-term capability, engineering standards and customer support.

From supply and commissioning through to maintenance, overhaul, repair and lifecycle support, MIT works across high-performance driveline systems for marine, industrial and mobile applications. The new facility will help us continue delivering that support with the space, structure and efficiency needed for the next stage of our growth.

We are looking forward to sharing more updates as the project progresses towards completion at the end of Summer this year.

19/05/2026

Not every failure needs a new unit.
And not every repair is the fastest route back to operation.

When a clutch, PTO or transmission fails, the question is often: “Can it be repaired?”

But for many operators, the more important question is: “What gets us running again safely, quickly and cost-effectively?”

That is where a reconditioned unit can make sense.

MIT recently supported a plant machinery business operating a Pegson rock crusher after its clutch failed in service.

The issue was not just the failed component.
It was the downtime.

Long lead times for new parts were affecting productivity, and the customer needed a reliable solution that could get the crusher back into operation without waiting for a new unit.

MIT supplied a reconditioned Twin Disc SP311-P201 clutch.

The unit had been overhauled by MIT engineers using genuine OEM parts and was available immediately.

That changed the repair route.

Instead of waiting on a new component, the customer had a proven, reconditioned unit supplied and installed, allowing operations to resume quickly.

This is often why customers choose reconditioned units.

Lead time – when new parts are not available quickly enough
Cost – when replacement is more expensive than necessary
Downtime – when lost production is the real cost
Reliability – when the unit has been properly overhauled and inspected
Sustainability – when extending the life of existing equipment is the better option

A reconditioned unit is not a shortcut.

It still needs the right specification.
It still needs the right parts.
It still needs the right engineering standards behind it.

But in the right situation, it can be the most practical solution.

Especially when a machine is down, parts are on long lead times, and the cost of waiting is increasing every day.

Repair, replace or recondition is rarely a simple decision.

It depends on the condition of the failed unit, the availability of parts, the application, the urgency and the commercial impact of downtime.

In this case, a reconditioned unit was the better option.

Need a clutch, PTO or transmission solution without waiting on long lead times?

Speak to MIT about our stock of OEM-approved reconditioned units: https://mitgroup.co.uk/contact-us/

Address

Queenborough Shipyard
Queenborough
ME115EE

Opening Hours

Monday 8:15am - 5pm
Tuesday 8:15am - 5pm
Wednesday 8:15am - 5pm
Thursday 8:15am - 5pm
Friday 8:30am - 4pm

Telephone

+441795580808

Website

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