Trident / Cases & Projects

Motors in the field.

Delivered Trident projects across dredging, offshore and marine retrofit. Each case is a documented engineering brief, what the customer needed, what we built, how it performed. Filter by application or by motor series.

CASE INDEX · UPDATED 2026
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4 projects
Heavy cutter drive equipment
CSD · RETROFIT
2025
/CASE 04 CUTTER DRIVE
Obsolete cutter motor replacement, harbour CSD
Original 1990s submersible cutter drive failed beyond economic repair. Trident engineered a drop-in TKBS replacement matching the original mounting and shaft dimensions, with modernised VFD-ready windings.
Power
1250kW
Voltage
3000V
Lead time
14wks
Northern Europe READ CASE →
Trailing suction hopper dredger at work
TSHD · NEW BUILD
2025
/CASE 03 SUBMERGED PUMP
Trailing suction hopper submerged pump motor
3550 kW TKBS for a new build TSHD trailing arm. Pressure-compensated, oil-filled chamber, matched to the pump VFD specification. Delivered with full FAT test certificate and as-built drawings.
Power
3550kW
Voltage
6000V
Depth
85m
South-East Asia READ CASE →
Deep sea sand mining operation
DEEP SEA · TYPE II
2024
/CASE 02 SAND MINING
Deep sea sand mining pump motor, 220 m operating depth
Type II TKBS with automatic pressure balancing for a marine aggregate vessel operating at 220 metres. Five-zone protection sensing routed to the vessel switchgear protector. Witness FAT and offshore commissioning.
Power
1800kW
Voltage
3000V
Depth
220m
Mediterranean READ CASE →
Offshore vessel at sea
OFFSHORE · MODERNISATION
2024
/CASE 01 VFD UPGRADE
Offshore submersible motor VFD modernisation
Existing fixed-speed motor on an offshore vessel required upgrade to inverter control for fuel-efficiency improvements. Trident rewound with VFD-rated insulation system and supplied updated motor protector configuration.
Power
800kW
Voltage
690V
Downtime
21d
North Sea READ CASE →
/ Engineering inquiry

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TKBS submersible motors