GBS Gearbox Services international brand of Schaaf- en Boorwerk Rotterdam B.V.
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GBS Gearbox Services international

M.A.N. gearbox repair, service and support

M.A.N. Gearbox Repair

GBS Gearbox Services international is the fastest, full service, worldwide specialist in gearbox repair of M.A.N. gearboxes. Taking the latest innovations of our gearbox service experts, our goal is to get, often mission critical, gearboxes back into production at the shortest timespan possible. We have a winning track record in M.A.N. servicing! Having experience with a wide variaty of brands, we know the weakspots and strengths of any brand and can not only repair but often improve the reliability of any gearbox system.

M.A.N. gearbox services

MAN Diesel & Turbo is the market leader for large diesel engines for use in ships and power stations, and is one of the three leading suppliers of turbo machines. The head office is situated in Augsburg, Germany. MAN Diesel & Turbo is a company within the Power Engineering Business Area of MAN SE.
MAN Diesel & Turbo solutions comprise three main areas, namely Engines & Marine Systems, Turbomachinery and Power Plants.
Marine Applications: encompass low, medium and high speed engines, respectively from the largest, ocean-going ships, through medium-sized ocean-going vessels, down to yachts and small ferries. Power: include low speed solutions, but mainly concern medium and high speed configurations.
Turbo Applications: solutions involve different types of compressors and turbines, especially within the handling and through-put of gases and liquids in industrial processes.

GBS Gearbox Services international is specialised in services the gearboxes in all these industries, as our specialty lies in gearbox services. Our highly experienced emergency support experts work to provide effective solutions that meet your demands, getting your production running!



4 different projects on M.A.N. gearbox services

  • Type:
  • B335x15,7
  • text voor google
Scope of work:
Performing a standard overhau and repairl on four gearboxes of M.A.N. B335 x 15,7.
The standard overhaul includes:
- Overall disassembling and cleaning all of parts.
- Repairing the damage on the gears.
- Inspection and reporting.
- Assembling and making a test run with test run report.
Location - date:
The Netherlands - January 2012
MAN gearbox MAN gearbox repair MAN gearbox inspection
  • Type:
  • D475x9,74
  • text voor google
Scope of work:
Inspection and performing a standard overhaul on gearbox M.A.N. D475 x 9,74.
The standaard overhaul includes:
- Disassembling and cleaning all of the gearbox parts.
- Inspection with inspection report.
- Assembling the gearbox again.
- Performing a test run with a test run report.
Location - date:
The Netherlands - January 2012
MAN getriebe MAN getriebe reparatur Getriebe MAN instandsetzung
  • Type:
  • G800x25,4
  • text voor google
Scope of work:
Performing a standard revision on two gearboxes of M.A.N. G800 x 25,4.
First we disassembled the gearbox and cleaned all of the parts. After that, we inspected the gearbox for any damages or tears. After we checked everything we assembled the gearbox and made a test run.
Location - date:
The Netherlands - January 2012
MAN overhauling MAN visual inspection MAN B800x25,4
  • Type:
  • GUR 670
  • text voor google
Scope of work:
On gearbox M.A.N. GUR 670 we performed a revision and inspection.
- Disassembling and cleaning.
- Inspection and reporting to our client.
- Assembling and performing a test run with a test run report.
Location - date:
The Netherlands - January 2012
变速器 检查 MAN MAN gear service MAN GUR 670
Man produces the following types of gearboxes:
-Type KV:
Vertical offset, compact version
(close-coupled with L23/30A engines)
Series: AMG 8, AMG 11, AMG 16
Standard reduction ratios:
From 3,1:1 to 6,0:1
Power range:
Up to 1280 kW (900 engine rpm)

-Type VO:
Vertical offset, free-standing version
Series: AMG 8, AMG 11, AMG 16,
AMG 28, AMG 36, AMG 40
-Type HO:
Horizontal offset, free-standing version
Series: AMG 20
Standard reduction ratios:
From 3,1:1 to 6,0:1
Power range:
Up to 3920 kW (775 engine rpm)


For more than 20 years, GBS Gearbox Services has gained extensive knowledge of gear technology through new gearbox design and manufacture. Today, GBS is supplying service to M.A.N. gearboxes in marine and industrial markets.
Using this experience, our Services division will provide the highest level of commitment to existing and new customers for products already operating in the field.

Ship owners and Industrial companies throughout the world value the reassurance of the superior support provided by the skilled and dedicated engineering and technical specialists that form the GBS Gearsbox Services team.

Field Service Engineers are on constant standby to visit any ship or plant throughout the world. With an unrivalled average 25 years industry and marine experience, they are all fully qualified and certified to work in all environments, both on and offshore. Their high level of technical experience enables most work to be carried out on-site, supported by an practical experienced team of world-leading design and research engineers in the Netherlands.

Our Services team is qualified to inspect, maintain and repair any make or type of industrial or marine gearbox. Many working examples exist of improvements we have made to non-M.A.N. gearboxes, that have extended the life of the gearbox.

For M.A.N. Gears we are working in the following markets

  • Power industry
    POWER:
    • Engine Based Power Plants
    • Turbine Based Power Plants
  • Marine
    Marine
    • Cruise & Ferry
    • Merchant
    • Navy
    • Offshore
  • Heavy Industry
    Turbo
    • Upstream
    • Midstream
    • Downstream
    • Industrial Gases
    • Power Generation
    • Reactors & Energy Engineering