Diesel generators you can rely on.
When backup power can't fail, Mansfield delivers. We install and service diesel generators with care, keeping your business running and the lights on without disruption.
Mansfield's diesel generator services are designed to keep you steady when the grid goes down. We handle installations, compliance, servicing, and maintenance. We also lease generators. You'll deal with the same team from planning through to handover, and we stay close to the job the entire way. Whether it's a tight site, a tricky schedule or compliance complexity, we can make it work.
Emergency-ready power you can trust
When the unexpected happens, Mansfield Group delivers. Our diesel generator hire service is built for urgent needs, from planned outages to emergency backup.
We supply compliant, high-performance units and handle delivery, installation and support. Whether it’s a short-term fix or critical infrastructure protection, you’ll get fast response, expert service and power you can rely on.
From installation to maintenance, we've got you covered.
Design & Specification
When you need site-specific generator systems, we can support the right solution for your needs, your budget, and your regulatory requirements.
Custom Fitouts & Site-Specific Adaptations
Have an awkward site? No two sites are the same. We tailor installations around space, noise, access, and safety constraints.
Project Management
No need to juggle multiple contractors and timelines. We’ve got your project covered, including generator systems and installs, coordinating trades, ensuring smooth on-time delivery.
Auditing & Compliance Checks
From airflow and acoustics to exhaust safety, we’ll ensure your setup meets all requirements — and functions exactly as it should.
Service & Maintenance
Expertise and tech go a long way to keeping your generator ready. We have the capability for ultrasonic checks to pressure tests to ensure your tank is structurally sound, compliant, and built to last.
Site compliance you can trust
Mansfield is fully compliant with SiteWise and ISN. Safety and industry standards are built into everything, so you can count on safe and reliable project delivery.
Diesel Generators FAQ
We provide complete design, installation, and maintenance services for diesel generator fuel systems. This includes compliant day tank setups, pipework, certification through an independent certifier, and servicing for backup power systems across commercial and critical infrastructure sites.
We both sell and lease diesel generators. We specialise in installing client-supplied generators and integrating them with fully compliant fuel systems, including day tanks, pipework, and certification.
We’re experts in HSNO compliance and local building code requirements. Our installations include certified day tanks, safe fuel transfer systems, and all required safeguards so your site passes inspections and operates safely. All regulated by a third-party certifier.
We work with project managers, consultants, and facilities teams responsible for backup power in industries like telco, healthcare, datacentres, and government.
Yes. We provide ongoing maintenance and servicing for fuel systems, including scheduled checks, HSNO certification renewals, and reactive repairs to ensure your backup power remains compliant and ready.
Many clients call us when their existing HSNO certification expires, or when compliance standards change and upgrades are required. Others engage us during new builds or generator replacements to handle fuel system integration from design to certification. We can also aid emergency and response efforts.
Call Mansfield when you need:
One team, start to finish
Tired of juggling contractors? We manage the design, install and compliance - no chasing contractors, no loose ends.
Fast installs. Minimal disruption
Deadlines matter. We get in, get it done, and keep your site moving.
Compliance, locked in
HSNO, local regs, certifications - we speak fluent paperwork, so you don’t have to.
People who show up
Call the person doing the job, not a call centre. We turn up, own it, and do it right.
