Your success, our priority
Heavy Diesel Maintenance & Field Service Across Central Queensland
Reliable Diesel Fitters Supporting Mining, Civil, Agricultural & Heavy Equipment Operations. Mossy’s Diesel Maintenance provides onsite maintenance, breakdown support, hydraulic services, and skilled diesel fitters across Yeppoon, Central Queensland, and the Bowen Basin.
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ABOUT US
About Mossy’s Diesel Maintenance
Mossy’ s Diesel Maintenance was established in 2014 by Brendan Moss after years working within the heavy equipment and mining industry. Following extensive experience with Hastings Deering and mine site field support roles, Brendan built the business on reliability, practical problem solving, and quality workmanship.
Based in Yeppoon, Mossy’s Diesel Maintenance now supports mining, civil, agricultural, marine, and earthmoving industries across Central Queensland and the Bowen Basin.
As a family-owned and operated business, Brendan leads operations while Liberty manages administration, compliance, safety, and business support to ensure projects run smoothly and efficiently.
WHy CHoose Us
Why Businesses Across Central Queensland Choose Mossy’s Diesel Maintenance
Industry Experience That Matters
Fast & Reliable Field Support
Fast onsite support keeping equipment operating and projects moving.
Complete Hydraulic Support
Complete hydraulic repairs, diagnostics, hose replacement, and onsite support.
Skilled Diesel Fitters & Maintenance Teams
Experienced diesel fitters delivering safe, reliable maintenance support.
Mining, Civil & Heavy Equipment Specialists
Supporting heavy equipment across mining, civil, and industrial sectors.
Mossy's Diesel Maintenance
Supporting Central Queensland & Bowen Basin Operations
Yeppoon
Rockhampton
Bowen Basin
Mine Sites & Remote Operations
Our Gallery
Recent Projects
& Equipment
Client Feedback
Trusted by Operators
Across Central Queensland
Your whole team have always been prompt, professional and so easy to deal with. Love having your team onboard.
Scott Poppi
Maintenance Supervisor
Keep Your Equipment Moving
mossy's Diesel Maintenance
Our Services
Industries We Service:
Agricultural
Earthmoving
Mining
Civil Construction
Marine
Heavy Mobile Equipment Maintenance
Preventative servicing, breakdown repairs, shutdown support, component replacements, and reliability-focused maintenance solutions for mining and civil equipment.
Field Service & Breakdown Support
24/7 onsite breakdown response with fully equipped field service vehicles supporting operations throughout Central Queensland and the Bowen Basin.
Hydraulic Systems & Hose Replacement
Hydraulic diagnostics, hose manufacturing, onsite replacement, cylinder rebuilds, grease system repairs, and hydraulic upgrades.
Electronic Diagnostics & OEM Support
Advanced fault finding, troubleshooting, software updates, and OEM diagnostic support across major equipment platforms.
Component Rebuilds & Major Repairs
Engine replacements, transmission work, hydraulic rebuilds, shutdown maintenance, and major repair coordination completed to OEM specifications.
Preventative Maintenance & Asset Management
PM scheduling, maintenance planning, condition monitoring, CMMS reporting, and long-term asset reliability strategies.
Labour Hire & Maintenance Contracts
Skilled diesel fitters, supervisors, and workforce solutions tailored to mining, civil, and heavy equipment operations.
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Breakdown? Get Fast Support
Experienced diesel fitters keeping your machinery moving with 24/7 on-site repairs, servicing and maintenance, or workshop repairs across Central Queensland.
Agricultural
Earthmoving
Mining
Civil Construction
Marine