Fuel is typically the second-largest ongoing cost of tractor operation after depreciation, and it scales directly with horsepower, load, and hours of use. This calculator estimates your fuel consumption and cost based on your tractor's size, the type of work being done, and how many hours it runs per week and year.
Fuel Consumption (liters/hour) ≈ Horsepower × Load Factor × 0.15 (a standard diesel consumption approximation, where load factor reflects how hard the tractor is working). Annual Fuel Cost = Consumption per Hour × Hours per Day × Days per Week × Weeks per Year × Fuel Price.
| Operation | Typical Load Factor |
|---|---|
| Plowing/tillage | 0.70-0.85 (heavy load) |
| Seeding/planting | 0.40-0.55 (moderate) |
| Transport/light work | 0.20-0.35 (light load) |
For a 65 HP tractor doing plowing work (load factor 0.75) for 6 hours/day, 5 days/week, for 20 weeks/year, at PKR 280/liter diesel: Fuel consumption = 65 × 0.75 × 0.15 ≈ 7.3 liters/hour. Annual fuel cost = 7.3 × 6 × 5 × 20 × 280 ≈ PKR 1,226,400 for the plowing season alone — a substantial figure that highlights why matching tractor size to the actual job (not over-powering light tasks) meaningfully controls fuel spend.
Yes — an oversized tractor running a light task still burns fuel proportional to its engine size and idle losses, even at a low load factor, so matching tractor horsepower to the typical job at hand improves fuel efficiency more than any driving technique.
Substantially — a tractor under heavy plowing load can consume 2-3 times more fuel per hour than the same tractor doing light transport work, since diesel engines burn fuel roughly in proportion to the power being demanded, not just engine size.
Keeping air filters clean, maintaining correct tire pressure, ensuring proper implement adjustment (avoiding excessive tillage depth), and timely engine servicing can collectively improve fuel efficiency by 10-15% compared to a poorly maintained machine.
Yes — using combination implements that till, plant, and sometimes fertilize in a single pass reduces total field hours and associated fuel burn compared to running separate passes for each operation, though this requires compatible equipment.