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Tractor Operating Cost Calculator

Work out tractor operating cost instantly with clear inputs, formula shown and shareable results.

About Tractor Operating Cost Calculator

Tractor cost per hour has a variable part that only accrues while working — diesel, lubricants at about 15% of fuel cost, and repairs — and a fixed part that accrues whether or not the tractor moves. Spreading the fixed cost over an assumed 800 working hours a year gives a full cost per hour to quote for custom hire.

Formulas

Operating cost

Variable = fuel L/h x price + 15% lubricants + repairs per hour

Full cost

Cost per hour = variable + annual fixed cost / annual hours (800)

Worked example

With the default values below, Tractor Operating Cost Calculator returns Total Operating Cost Per Hour of $801.90. Change any input above and every figure here is recalculated in your browser.

Inputs used

Fuel Consumptionminimum 0 L/h
5.5 L/h
Diesel Priceminimum 0 per L
92 per L
Repairs And Maintenanceminimum 0 per hour
70 per hour
Depreciation, Interest And Insuranceminimum 0 per year
120,000 per year

Results

Total Operating Cost Per Hour
$801.90
Variable Cost Per Hour
$651.90
Fixed Cost Per Hour
$150.00
Annual Cost At 800 Hours
$641,520.00

Step by step

  1. 1Values used
  2. 2Operating cost
  3. 3Full cost
  4. 4Total Operating Cost Per Hour= 801.90
  5. 5Variable Cost Per Hour= 651.90
  6. 6Fixed Cost Per Hour= 150.00
  7. 7Annual Cost At 800 Hours= 641,520.00

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

Why does annual usage change the hourly cost so much?

Depreciation and interest are fixed. At 400 hours a year they cost twice as much per hour as at 800, which is why under-used tractors are expensive and custom hire often beats ownership.

What repair allowance is realistic?

Lifetime repairs typically total 60-100% of the purchase price. Dividing that by expected lifetime hours gives a defensible hourly figure.

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