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Whitsunday Diesel & Marine provides top-quality mechanical services for boats, commercial vessels, and diesel-powered equipment in Mackay. With over 40 years of experience, we keep engines running efficiently across various applications, supporting both recreational and commercial industries.
Our skilled team specialises in marine repairs, maintenance, sales, and parts, as well as diesel injection repairs and servicing, petrol injection, and generators. Whether you need diagnostics, scheduled maintenance, or a complete engine rebuild, we use advanced technology and premium components to enhance performance, efficiency, and durability.
We are committed to exceptional workmanship, clear communication, and timely service, helping you minimise downtime and maintain reliable operation in all conditions.
Contact Whitsunday Diesel & Marine on
(07) 4946 7126 if you need an experienced marine mechanic in Mackay.
When it comes to servicing and repairing marine and diesel-powered equipment, you need a team you can trust for quality, precision, and reliability. Here’s why customers choose us:
For expert servicing and repairs, call Whitsunday Diesel & Marine on (07) 4946 7126 today.
We provide expert marine repairs in Mackay, diagnosing and fixing engine issues, fuel system faults, and mechanical failures. Our skilled technicians ensure boats and commercial vessels run at peak performance, reducing downtime with high-quality, dependable workmanship.
Regular marine maintenance in Mackay is crucial for vessel reliability and longevity. We perform detailed inspections, servicing, and preventative care to keep boats and commercial vessels in top condition, preventing unexpected breakdowns and ensuring smooth operation.
We supply premium marine parts in Mackay for a variety of applications. Whether you need replacement components or performance upgrades, our stock of trusted brands ensures your marine equipment remains in excellent working order.
Our diesel injection repairs in Mackay enhance fuel system efficiency by diagnosing and resolving issues that affect power and performance. Using advanced technology, we clean, test, and rebuild diesel injectors to improve engine reliability and longevity.
Regular diesel injection servicing in Mackay optimises fuel efficiency and engine responsiveness. We thoroughly clean, inspect, and calibrate injectors to ensure accurate fuel delivery, improving power, reliability, and overall engine performance.
We specialise in servicing, repairing, and maintaining generators in Mackay, ensuring a dependable power supply. Our skilled technicians diagnose faults, replace worn components, and provide preventative maintenance to extend generator lifespan and enhance performance.
Our
petrol injection services in Mackay include diagnostics, injector cleaning, and replacements to maintain smooth engine operation. We fine-tune fuel delivery, improving efficiency, reducing emissions, and enhancing the performance of marine and petrol-powered equipment.
Whitsunday Diesel & Marine provides a wide variety of mechanical services for Mackay and the surrounding areas, including Paget and Ooralea. Contact us to confirm whether we service your specific location.
Fuel injectors control the precise amount of fuel delivered to the combustion chamber, directly affecting engine efficiency, power output, and emissions. Clogged or faulty injectors can cause incomplete combustion, leading to poor fuel economy, hesitation, and reduced acceleration. Dirty injectors may create uneven spray patterns, affecting engine balance and performance. Leaking injectors can flood the engine, causing hard starts and misfires. Properly maintained injectors improve fuel atomisation, resulting in smoother operation and better throttle response. Regular servicing, including cleaning and calibration, keeps injectors functioning correctly, ensuring optimal fuel delivery and combustion efficiency. Healthy injectors contribute to better overall engine performance and longevity.
Generator servicing ensures a consistent power supply, improves efficiency, and reduces the risk of breakdowns. Routine maintenance includes oil and filter changes, fuel system checks, and battery inspections. Cleaning cooling systems and exhaust components prevents overheating and carbon buildup. Testing voltage regulators and alternators ensures stable power output. Worn belts and hoses are replaced to prevent failures during operation. Regular servicing helps detect potential issues before they escalate into costly repairs. Properly maintained generators provide reliable backup power for marine and industrial applications, ensuring uninterrupted operation during critical times. Scheduled servicing extends generator lifespan and maintains peak performance.
A marine engine can overheat due to cooling system blockages, low coolant levels, or faulty water pumps. Salt buildup in cooling passages can restrict water flow, preventing heat dissipation. A worn impeller or clogged strainer may reduce water circulation, causing temperature spikes. Leaking hoses or radiator damage can result in insufficient coolant reaching the engine. Thermostat malfunctions may prevent proper temperature regulation. Overheating can also occur if oil levels are too low, reducing lubrication and increasing friction. Regular maintenance, including coolant flushes and inspecting water pumps, helps prevent overheating. Monitoring temperature gauges and addressing early warning signs avoids severe engine damage.