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Heavy Diesel Mechanic Salary in Australia 2026–27: Award Rates, Tax and Take-Home Pay

A qualified heavy diesel mechanic earns at least $29.45 per hour under the Vehicle Repair Award, or a median of $112,515 per year according to the ATO, based on a 38-hour week.

Heavy Diesel Mechanic Salary: Award Minimums and Market Rates

Understanding the heavy diesel mechanic salary in Australia means looking at both the legal minimum under the Vehicle Repair, Services and Retail Award and what the market actually pays. Heavy diesel mechanics—those who work on trucks, buses, earthmoving equipment and mining machinery—are in strong demand, and their earnings often exceed award rates significantly.

Award Minimum Rates (from 1 July 2026)

The Fair Work Commission’s Modern Awards Pay Database sets the minimum pay for each classification. Under the Vehicle Repair, Services and Retail Award [MA000089], a qualified tradesperson (holding a Certificate III in Light Vehicle Mechanical Technology or equivalent) must be paid at least $29.45 per hour. That works out to:

  • Weekly: $29.45 × 38 hours = $1,119.10
  • Fortnightly: $1,119.10 × 2 = $2,238.20
  • Annual: $1,119.10 × 52 = $58,193

If the mechanic also holds a Certificate IV qualification (such as Automotive Mechanical Diagnosis) and uses it as a main part of the job, the minimum rises to $32.22 per hour, giving an annual equivalent of $63,669.

These award rates are the floor. Many heavy diesel mechanics are covered by enterprise agreements or individual contracts that pay more, especially in mining, construction and fleet maintenance.

Casual Loading and Superannuation

Casual employees receive a 25% loading on top of the base rate. For a tradesperson level 1, that means $36.81 per hour casual. The loading compensates for not receiving paid leave. Superannuation guarantee of 12% is paid on top of ordinary time earnings, not included in the hourly rate. For the award minimum of $29.45/hour, the employer contributes an extra $3.53 per hour (12% of $29.45) into super, up to the maximum contribution base of $270,830 per year.

What Heavy Diesel Mechanics Actually Earn

The Australian Taxation Office’s Taxation Statistics for 2023–24 show the median salary or wage for diesel motor mechanics was $112,515. That figure includes all diesel mechanics, from apprentices to experienced tradespeople, and covers part-time and casual workers. For comparison, the median for garage (motor) mechanics was $73,505. The higher median for diesel mechanics reflects the specialised skills, heavy vehicle work and often higher-paying industries such as mining and transport.

The ATO data is based on actual tax returns, so it captures what people really earned, not just award minimums. It includes overtime, allowances and above-award payments.

Converting Hourly Rates to Annual Salary

Our hourly conversion tool uses the standard formula: hourly rate × hours per week × 52. For full-time work we assume 38 hours per week, as defined in the National Employment Standards. If you have an hourly rate, you can enter it into the timesheet, check the casual loading box if applicable, and see the annual, fortnightly and weekly figures instantly.

Tax and Take-Home Pay

For the 2026–27 income year, the resident tax rates are:

  • $0 – $18,200: nil
  • $18,201 – $45,000: 15% of excess over $18,200
  • $45,001 – $135,000: $4,020 plus 30% of excess over $45,000
  • $135,001 – $190,000: $31,020 plus 37% of excess over $135,000
  • $190,001 and above: $51,375 plus 45% of excess over $190,000

Plus the Medicare levy of 2% (with reductions for low-income earners).

For a heavy diesel mechanic earning the ATO median of $112,515, the estimated tax and Medicare would be around $28,500, leaving take-home pay of about $84,000 per year, or $3,230 per fortnight. This is a modelled estimate; actual take-home depends on deductions, HELP/HECS repayments and family circumstances. See our take-home pay guide for more detail.

Fortnightly Pay and Budgeting

Knowing your fortnightly pay helps with budgeting. From the award minimum of $29.45/hour:

  • Fortnightly gross: $2,238.20
  • Fortnightly after tax (approx): $1,891 (based on the model)

For the ATO median of $112,515:

  • Fortnightly gross: $4,327.50
  • Fortnightly after tax (approx): $3,230

Superannuation Paid on Top

Super guarantee is 12% of ordinary time earnings, paid by the employer on top of the salary. It does not reduce take-home pay. For the award minimum, that’s an extra $6,983 per year into super. For the ATO median, it’s about $13,502. The super is not accessible until retirement, but it’s a significant part of total remuneration. Learn more about super and packaging.

Above-Award Pay and Industry Differences

Heavy diesel mechanics in mining, oil and gas, and remote areas often earn well above the award. Enterprise agreements in the mining industry can pay $50–$60 per hour plus allowances. The Australian Bureau of Statistics reports that the median weekly earnings for motor mechanics (including diesel) was $1,622 in May 2025, annualised to $84,344. That’s above the award but below the ATO median for diesel mechanics specifically, because the ABS figure includes all motor mechanics.

National Minimum Wage Comparison

The National Minimum Wage from 1 July 2026 is $26.44 per hour ($1,004.90 per week for 38 hours). A qualified heavy diesel mechanic’s award rate of $29.45 is 11% above the minimum. Casual workers get $33.05 per hour under the minimum wage, but the award casual rate for a tradesperson is $36.81, reflecting the higher skill level.

Using the Timesheet Tool

To see your own figures, use the timesheet. Enter your base hourly rate (do not include casual loading in the rate—use the checkbox instead). The tool calculates annual, fortnightly and weekly amounts, with tax and super estimates based on the 2026–27 settings.

Summary

The heavy diesel mechanic salary in Australia ranges from a minimum of $58,193 per year under the award to a median of $112,515 according to the ATO. Actual earnings depend on qualifications, industry, location and experience. Use the award rates as a baseline and the ATO data as a realistic market benchmark. Always check your specific award or agreement for the exact rates that apply to you.

Open the same rate on the home timesheet. Read the reference tables before treating a figure as your pay.

Try the rate on a timesheet

Adjust the timesheet

Year, gross$52,245.4452 weeks at this rate

Starts at the adult National Minimum Wage. Change the rate if the job pays more.

Level with the adult National Minimum Wage.

Mon$200.947.6 h
Tue$200.947.6 h
Wed$200.947.6 h
Thu$200.947.6 h
Fri$200.947.6 h
One fortnight$2,009.44 gross
  • Take-home
  • Tax
  • Medicare
Super 12%, paid on top$6,269.45 a year
Week
$1,004.72
Fortnight
$2,009.44
Take-home a year
$45,006.90
Tax + Medicare
$7,238.54

$52,245.44 gross a year, $2,009.44 a fortnight.

  • 16 h$21,998
  • 20 h$27,498
  • 24 h$32,997
  • 30 h$41,246
  • 38 h$52,245
  • 40 h$54,995

Resident tax for 2026–27 with the tax-free threshold. Medicare uses the 2025–26 single reduction thresholds. No HELP, no salary sacrifice, no Medicare levy surcharge. Super is 12% of ordinary earnings only, capped at the maximum contribution base.

Questions people ask next

What is the award rate for a heavy diesel mechanic in 2026–27?

Under the Vehicle Repair, Services and Retail Award [MA000089], a qualified tradesperson (Certificate III) earns a minimum of $29.45 per hour from 1 July 2026. With a Certificate IV qualification used in the role, the rate rises to $32.22 per hour. These are the minimum rates; many heavy diesel mechanics earn well above award through enterprise agreements, overtime and site allowances.

How do I calculate annual salary from an hourly rate?

Multiply the hourly rate by hours per week, then by 52. For a full-time heavy diesel mechanic working 38 hours per week: annual salary = hourly rate × 38 × 52. For example, at the award minimum of $29.45/hour, the annual figure is $29.45 × 38 × 52 = $58,193. The fortnightly pay is the weekly amount multiplied by 2.

What is the take-home pay after tax for a heavy diesel mechanic?

Take-home pay depends on total taxable income. For a heavy diesel mechanic earning the ATO median of $112,515 in 2023–24, the 2026–27 tax estimate (including Medicare levy) would be roughly $84,000 after tax, or about $3,230 per fortnight. This is an estimate; actual take-home varies with deductions, HELP debts and family circumstances.

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