Combine Harvester Working in Field
Choosing the right combine harvester tires starts with understanding your harvesting conditions and your machine’s requirements. Tire dimensions, traction, inflation pressure, load capacity and durability can all affect how your combine performs in the field.
This guide explains the key factors to consider when choosing combine tires and how the right setup can help you maintain traction, protect the soil and work effectively during harvest.
Harvest conditions can change quickly, especially during rainy periods when fields become soft, muddy or difficult to navigate. Because crops must often be harvested within a limited window, combine harvester tires need to provide reliable performance across changing field conditions.
A combine uses front drive wheels and rear steer wheels, and the tires on each axle perform different roles. Choosing tires suited to the machine and harvesting conditions can help maintain traction and mobility while limiting soil disturbance.
When choosing combine tires, consider the conditions you expect to encounter during harvest along with tire dimensions, traction, inflation pressure, load capacity and durability.
Start by identifying the tire dimensions approved for your combine harvester. Equipment manufacturers specify the dimensions that can be fitted to the machine, so these requirements should be confirmed before selecting new tires.
Also consider the combine’s total width when traveling between fields. Tire width can affect the machine’s overall dimensions and should remain within applicable road regulations.
Tire diameter can also affect the tire’s footprint and soil impact. A larger diameter can create a longer footprint, while the relationship between the front and rear tire diameters must also be considered when selecting a compatible setup.
Example: How tire diameter can affect soil stress
The Terranimo® soil stress simulation below compares two MICHELIN CEREXBIB 2 tire sizes carrying the same load at the same cyclic speed:
VF 900/60 R32: 75-inch diameter, 33,000 lbs. (15,000 kg), recommended pressure of 2.6 bar
VF 900/60 R42: 83-inch diameter, 33,000 lbs. (15,000 kg), recommended pressure of 2.1 bar
At a cyclic speed of 6 mph (10 km/h), the larger-diameter tire operates at a lower recommended pressure in this example and produces less soil stress in the simulation.
Soil stress map comparison :
2.6 bars vs 2.1 bars
Soil depht (m)
Soil stress map comparison
Accross the track (m)
Stress (bar)
Tire width matters, too. Wider tires can provide benefits in the field, but they also increase the machine’s overall width. When choosing tire width, consider both your field needs and applicable road-width limits.
Harvest conditions aren't always ideal. Wet or muddy fields can make it harder for a combine harvester to maintain traction and mobility when timing matters most.
Choose combine harvester tires that provide reliable traction and stability in challenging field conditions while helping protect the soil.
Combine Harvester in Field
Heavy equipment such as combine harvesters can contribute to soil compaction. Choosing tires that can carry the required load at an appropriate tire pressure can help reduce the impact on the soil.
Don't overlook the rear tires. The front and rear axles of a combine harvester perform different functions and carry different loads, so tire selection and inflation pressure need to be considered for both.
While wider front tires may allow the combine to operate at a lower pressure, the rear tires also carry significant load. If the rear tires require higher inflation pressure for that load, they can increase pressure on the soil and reduce some of the soil-protection benefits achieved at the front.
Choose front and rear combine harvester tires based on the load they need to carry and use the appropriate inflation pressure for each axle.
Combine Harvester Tire Load Capacity
As a combine harvester moves through the field, its load increases as the grain tank fills. A larger tank can improve productivity by reducing the number of stops needed to unload, but it also means the tires must support more weight during harvest.
That makes load capacity an important factor when choosing combine tires. The tires need to support the machine and its changing load while operating at the appropriate inflation pressure.
Choosing farm tires with the right load capacity helps you manage heavy harvest loads while protecting the soil and maintaining productivity in the field.
Combine harvesters often work in conditions where tires can encounter stubble, metal debris and other elements that may cause damage. Because these machines are used seasonally, their tires may also remain mounted for long periods between harvests.
Choosing durable farm tires helps reduce the risk of tire damage interrupting your harvesting operation. Look for tires designed to withstand demanding field conditions and provide reliable performance over time.
Durability helps keep your combine working when the harvest window is limited and every day in the field counts.
Michelin offers combine harvester tires designed for different operating conditions, load requirements and harvesting needs. The right choice depends on factors such as machine configuration, tire size, load capacity, traction needs and soil conditions.
Explore the Michelin combine tire ranges below to find the option that best fits your operation.
michelin megaxbib2 entry level range for harvester
For harvest operations that require durability, load-carrying capacity, stability and traction, the Michelin MEGAXBIB and MEGAXBIB 2 ranges provide options for a variety of combine harvester configurations.
Key benefits include:
The Michelin MEGAXBIB 2 builds on the MEGAXBIB range with enhanced durability and efficient road handling. The appropriate tire will depend on the sizes available for your combine harvester and your operating requirements.
For combine harvesters that need to manage heavy loads while helping protect the soil, Michelin CEREXBIB 2 offers Michelin UltraFlex Technology and meets the VF (Very High Flexion) standard.
michelin cerexbib 2 premium offer for harvester
Michelin CEREXBIB 2 is designed to flex under load, creating a longer tire footprint that can help reduce soil compaction and improve traction.
Its VF technology allows the tire to carry 40% more load at the same pressure or operate at 40% lower pressure for the same load compared with a standard radial tire.(1)
Combine harvesters experience significant changes in load as the grain tank fills and empties. Michelin CEREXBIB 2 is compatible with the CFO (Cyclic Field Operation) standard(2), which provides additional load capacity for machines operating under cyclic field loads.
Michelin CEREXBIB 2 is compatible with Central Tire Inflation Systems (CTIS), allowing operators to adjust tire pressure for different operating conditions, including field and road use.
For help determining the appropriate pressure for your machine and load, use the Michelin Agropressure tool.
Learn more about agricultural tire performance, soil protection and traction with these Michelin resources:
Find more Michelin resources, guidance and tire solutions for farm operations.
(1) Normative gap between standard tire vs VF (Very high Flexion) tire.
(2) Michelin CEREXBIB 2 is certified CFO+ by ETRTO (European Tire and Rim Technical Organization), standard market norm.
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