// NAVIGATION
+61 · 07 4900 0000
info@smoothtorque.au
MACKAY QLD

Precision Marine
Engineering, all under
one roof

Diesel servicing, fabrication, electrical, and now electric propulsion & hybrid systems. Engineered from Mackay Marina for the Whitsundays coast.

View Capabilities
// 001
13
Service Capabilities
// 002
02
Authorised Distributorships
// 003
MKY
Mackay Marina · Berth 34
// 004
LIC-1512977
Licenced Marine Electrical
MAN MARINE · DISTRIBUTOR ◆ SEAWASP · DISTRIBUTOR ◆ PRECISION DIESEL ◆ ELECTRIC PROPULSION ◆ HYBRID SYSTEMS ◆ CUSTOM FABRICATION ◆ MARINE ELECTRICAL · LIC 1512977 ◆ MACKAY · QUEENSLAND · AU ◆ MAN MARINE · DISTRIBUTOR ◆ SEAWASP · DISTRIBUTOR ◆ PRECISION DIESEL ◆ ELECTRIC PROPULSION ◆ HYBRID SYSTEMS ◆ CUSTOM FABRICATION ◆
S-01 / CORE SERVICES

Under one
roof.

Seven established capabilities from our Mackay Marina base — diesel-first, with the workshop tooling and marine trades to keep vessels operational.

SVC-01
CORE · DIESEL
Diesel Marine Inboard Servicing
Scheduled maintenance, diagnostics and rebuilds for MAN and inboard diesel platforms.
Read Spec →
SVC-02
CORE · FABRICATION
On-Site & In-Shop Fabrication
Custom stainless, aluminium and structural marine fabrication — on your vessel or in the shop.
Read Spec →
SVC-03
CORE · ELECTRICAL · LIC 1512977
Marine Electrical Services
Licenced diagnosis, install and repair — DC/AC systems, electronics, charging and shore power.
Read Spec →
SVC-04
CORE · CONCIERGE
Boutique Provisioning
Voyage provisioning from Mackay Marina — galley, spares, fuel and pre-departure logistics.
Read Spec →
SVC-05
CORE · CONCIERGE
Light Cleaning & Tidy-Up
Interior detailing between charters — cabins, galleys, heads and salons prepared to standard.
Read Spec →
SVC-06
CORE · CONCIERGE
Special Occasion Services
On-vessel event styling and coordination — proposals, anniversaries, corporate charters.
Read Spec →
SVC-07
CORE · EMERGENCY OPERATIONS
Marine Salvage Solutions
Coordinated response for grounding, submersion and coastal incident recovery across the Mackay – Whitsundays corridor. Dispatch, refloat and assessment.
Read Spec →
// E-01 · NEW CAPABILITY · 2026

Electric &
Hybrid, the
next passage

The same precision workshop, extended to electrification. Quiet, efficient drivetrains and future-proof electrical architecture for owners who plan for the next twenty years — not the next season.

// EMISSIONS
–100%
at berth / harbour cruise
// NOISE
<42dB
underway, electric mode
// SERVICE
1 / 5
vs. combustion intervals
E-01
Electric Marine Propulsion
Full-electric drivetrains for tenders, day-boats and displacement cruisers. Torqeedo, OceanVolt and Bellmarine platforms — sized, installed and commissioned.
  • 4 – 100kW motor sizing
  • Lithium bank engineering
  • Class-approved install
READ SPEC →
E-02
Diesel-to-Electric Conversions
Convert legacy diesel installations to electric drive. Engineering assessment, bay reconfiguration, and swap — preserving vessel structure.
  • Assessment + feasibility
  • Bay + shaft reconfiguration
  • Sea trial & certification
READ SPEC →
E-03
Marine Electrical Upgrades
Modernise DC/AC architecture: lithium banks, high-output alternators, solar arrays, smart chargers and vessel management systems.
  • Lithium retrofit
  • Solar / MPPT integration
  • Battery management + monitoring
READ SPEC →
E-04
Hybrid Marine Systems
Parallel and serial hybrid drivetrains for extended-range vessels — diesel reliability with silent electric harbour mode and regen underway.
  • Parallel & serial architectures
  • Regeneration underway
  • Silent harbour cruising
READ SPEC →
E-05
Sustainable Boating
Consulting on emissions, noise, waste and energy — reduce operational impact without sacrificing range or reliability. Advisory + engineering.
  • Emissions & noise audit
  • Energy-use modelling
  • Upgrade roadmapping
READ SPEC →
E-06
Future-Proof Marine Systems
Design and integrate vessel systems that can be upgraded — modular power architecture, open protocols and serviceable components as standard.
  • Modular power design
  • Open-protocol integration
  • 10+ year serviceability
READ SPEC →
// E-07 / CONSULT

Talk to an engineer.

Electrification decisions are vessel-specific. Book a 45-minute engineering consultation to review your platform and options.

Book Consultation →
A-01 / ABOUT

Engineers first.
Marina locals second.

Smooth Torque Marine operates out of Mackay Marina — servicing owners, commercial operators and charter fleets across the Whitsundays.

Founded on precision diesel work, extended into fabrication, electrical and — from 2026 — full electric and hybrid propulsion. We hold authorised distributorships with MAN Marine and Seawasp, and operate under Marine Electrical Licence 1512977.

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15+
Years operating
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400+
Vessels serviced
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02
Distributorships
About Smooth Torque
N-02 / NEWS & INSIGHTS

From the workshop.

VIEW ALL INSIGHTS →
N-01
2026-05-14 · DISTRIBUTION
Seawasp Distributor — Mackay & Whitsundays
Appointed authorised distributor for Seawasp marine generators across the Mackay and Whitsundays region.
Read Article →
N-02
2026-04-03 · DISTRIBUTION
MAN Marine Distributor — Mackay Region
Official distributor for MAN Marine engines in the Mackay region — parts, service and warranty.
Read Article →
N-03
2026-03-18 · SERVICES
Mackay Marina Provisioning — Now Live
Voyage provisioning launched from Mackay Marina, led by co-owner Monique Moore.
Read Article →
C-01 / CONTACT

Docking in Mackay?
Talk to us.

Servicing, fabrication, provisioning, electrification — one team, one workshop.

// LOCATION
Mackay Marina · Berth 34
Mulherin Drive · QLD 4740
// HOURS
Mon – Fri · 08:30 – 16:30
// CONTACT
+61 07 4900 0000 info@smoothtorque.au
Full Contact
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