World’s Top 10 Biggest Combine Harvesters (2026 Update)

By Patrik Eder · Published: July 29, 2026

The global agricultural sector is facing increasing pressure to maximize productivity during rapidly shrinking harvest windows. Driven by farm consolidation and unpredictable weather, the demand for higher throughput has led to a structural shift in agricultural machinery. Manufacturers have responded by developing the newly defined Class 10 and Class 10+ combine harvesters, pushing flagship models well past the 700-horsepower and 15,000-liter capacity thresholds. Rather than simply increasing physical dimensions, these machines feature re-engineered crop flow architectures and advanced powertrains designed to process unprecedented volumes of grain, making them essential tools for large-scale commercial farming operations.


Ranking based on Grain Tank Capacity / Maximum Engine Power / Operating Weight:

1. Case IH AF11 - 20,000 l / 775 hp / 26,547 kg

2. New Holland CR11 - 20,000 l / 775 hp / 25,000 kg

3. Case IH AF10 - 20,000 l / 775 hp / 24,000 kg

4. Claas Lexion 8900 - 18,000 l / 790 hp / 22,400 kg

5. Claas Lexion 8800 - 18,000 l / 700 hp / 22,400 kg

6. Fendt IDEAL 10T - 17,100 l / 790 hp / 26,810 kg

7. Fendt IDEAL 9T - 17,100 l / 647 hp / 26,620 kg

8. John Deere X9 1100 - 16,210 l / 690 hp / 26,500 kg

9. New Holland CR10 - 16,000 l / 634 hp / 23,500 kg

10. Case IH AF9 - 16,000 l / 634 hp / 21,342 kg

Methodology for Ranking the Largest Combine Harvesters in the World

To determine the highest-capacity harvesting machines currently operating in the global agricultural market, our assessment focuses strictly on active, commercially available production models. Experimental or highly specialized concept architectures are excluded to ensure a comparative baseline of machines available to standard farming operations. The overall capabilities and structural scale of these combines are evaluated using three primary metrics:

   ●  Grain Tank Capacity: The maximum volume of harvested crop the machine can hold. This serves as our definitive metric for establishing the ranking order, as it directly impacts field efficiency and the frequency of unloading cycles.

   ●  Maximum Engine Power: The peak horsepower output of the machine, a critical measurement that dictates its ability to maintain continuous throughput and operate internal threshing systems in dense or high-moisture crops.

   ●  Operating Weight and Physical Scale: The unladen mass and overall footprint of the combine, which influences the necessity for longitudinal engine placements, advanced track systems, and specialized chassis designs to manage soil compaction and road transport limits.

The following list establishes the top 10 largest active production combine harvesters for the 2026 model year, ranking them definitively by their standard grain tank capacity.

Image source: Case IH

Ranked #10 in this list, the Case IH AF9 was introduced alongside the AF10 and AF11 models. It serves as the entry model for the AF series, positioned between previous Axial-Flow platforms and the newer high-capacity models. The machine features a longitudinally mounted 12.9-liter FPT Cursor 13 engine with a rated output of 578 horsepower and a maximum output of 634 horsepower. It utilizes the AFXL single-rotor architecture, featuring a rotor length 40% longer than previous 260 series models. This increases the separation time, allowing the crop to wrap around the rotor up to three and a half times and permitting lower rotor speeds intended to reduce kernel damage.

The combine also includes a Cross Flow Plus cleaning shoe with 8.76 square meters of total area and an electric actuator that adjusts oscillation on slopes. For grain handling, the AF9 is equipped with a 16,000-liter (455-bushel) grain tank and has an unloading rate of 159 liters per second (4.5 bushels per second). It has an operating weight of approximately 21,342 kilograms and comes standard with FieldOps telematics and Harvest Command automation to manage rotor and sieve adjustments. It is a current production model.

Image source: New Holland Agriculture

Ranked #9 in this list, the New Holland CR10 is positioned below the CR11 model. It was introduced alongside the CR11 to replace the older CR9.90 and CR10.90 models, applying a longitudinal architecture to a lower horsepower bracket. The machine is powered by a 12.9-liter FPT Cursor 13 engine producing a maximum of 634 horsepower. The engine is mounted longitudinally in alignment with the Twin Rotors, a design intended to eliminate right-angle gearboxes and reduce driveline loss. The combine has a 1,300-liter fuel tank and a 180-liter DEF tank. For threshing and separation, it utilizes 610-millimeter Twin Rotors. It also features the TwinClean automated double cleaning shoe, which stacks two sieve systems in sequence. This system uses pressure sensors to manage cross-distribution on side-hills of up to 28%.

The grain tank has a capacity of 16,000 liters (455 bushels) with an unloading rate of 159 liters per second (4.5 bushels per second). The machine is capable of handling header widths of up to 15 meters. The operating weight is approximately 23,500 kilograms. The CR10 is equipped with New Holland's IntelliSense combine automation system, which evaluates graincam data to automatically adjust sieve openings and fan speed. Positioned as an alternative to the larger 775-horsepower CR11, the CR10 is available as a current production model for 2026.

Image source: John Deere

Ranked #8 in this list, the John Deere X9 1100 is designed to balance fuel efficiency, throughput, and a narrow transport profile. The machine is ranked based on its standard 16,210-liter (460-bushel) grain tank, although a 19,381-liter (550-bushel) factory upgrade is available for models equipped with heavy-duty final drives and tracks or dual tires. It is powered by a 13.6-liter JD14 PowerTech engine that delivers 603 rated horsepower and 690 maximum horsepower (515 kW). The high-pressure common rail fuel system provides a reported 45% capacity increase and a 20% reduction in fuel consumption compared to previous generations. The combine uses a ProDrive XL transmission equipped with two motors to generate 30% more torque for handling larger loads. For threshing, the machine features an XDS dual separator system, which has been tested at throughputs exceeding 100 tonnes per hour in wheat.

The separation system includes two 610-millimeter (24-inch) rotors measuring 3.51 meters in length. These are fed by a 1,720-millimeter feeder house designed to thin the crop mat upon entry to minimize power spikes. The Dyna-Flo XL cleaning shoe offers a total area of 7.0 square meters, representing a 36% increase over earlier models. Grain unloading from the standard tank occurs at a rate of 186 liters per second (5.3 bushels per second), and the combine includes a standard cross auger shutoff to fully empty the unloading auger. The 2026 model is equipped with Predictive Ground Speed Automation, which uses forward-facing stereo cameras and pre-harvest satellite maps to measure crop density and weed pressure, automatically adjusting the ground speed to maintain a constant feed rate. The machine has an operating weight of approximately 26,500 kilograms and is a current production model for 2026.

Ranked #7 in this list, the Fendt IDEAL 9T shares the same chassis, external dimensions, and 17,100-liter grain tank as the IDEAL 10T, but differs in its powerplant and separation configuration. It is powered by a 15.2-liter MAN D38 engine that produces a maximum of 647 horsepower, compared to the 790-horsepower output of the 10T. The machine uses a variable-speed hydrostatic transmission and an AirSense Cooling system equipped with a reversible fan to clear the radiator grille of debris. The combine utilizes the Dual Helix rotor architecture, featuring less separation concave surface area than the 10T model. It includes the IDEALharvest automation suite, which uses grain-quality cameras and acoustic sensors to monitor crop flow, automatically adjusting rotor speed and fan settings based on predefined harvest parameters.

The grain handling system features a 17,100-liter (485-bushel) grain tank with an unloading rate of 210 liters per second, allowing the tank to be emptied in approximately 81 seconds. The machine has an operating weight of approximately 26,620 kilograms and is equipped with the TrakRide track system, which is designed to distribute weight and reduce subsoil compaction. Positioned for operations that do not require the higher output of the 10T, the IDEAL 9T is available as a current production model for 2026.

Ranked #6 in this list, the Fendt IDEAL 10T (also marketed in certain regions as the Massey Ferguson IDEAL 10T) features a cab design that replaces traditional steering controls. The combine is powered by a 16.2-liter MAN engine producing a maximum of 790 horsepower. The engine incorporates the Fendt iD low-engine-speed concept, designed to achieve maximum horsepower and torque at lower RPMs to reduce fuel consumption. The six-cylinder engine is equipped with a variable geometry turbocharger (VGT) to maintain output over a wide RPM range. Internally, the IDEAL 10T uses the Dual Helix processor, featuring dual rotors that measure 4.83 meters (16 feet) in length. The machine includes the IDEALbalance system, utilizing two curved return floors to distribute grain across the preparation floor and compensate for slopes up to 15%. For 2026, the cleaning system includes CyclonePlus, a pre-sieve adding approximately 1.0 square meter of working surface, which is designed to increase throughput by 20%.

For grain handling, the IDEAL 10T is equipped with a 17,100-liter (485-bushel) grain tank that unloads via the Streamer 6.0 auger at a rate of 210 liters per second (6 bushels per second). The machine is capable of operating with headers up to 15.2 meters (50 feet) in width, supported by hydraulic cylinders with a lift capacity of up to 6.5 tonnes. The combine features the IDEALdrive system, which removes the steering wheel from the cab and controls the machine entirely via a left-hand joystick. With an operating weight of 26,810 kilograms, the IDEAL 10T uses AGCO's TrakRide track system to distribute weight and manage ground pressure. It is a current production model.

Ranked #5 in this list, the Claas Lexion 8800 is positioned below the 8900 model. For the 2026 model year, the machine's previous 653-horsepower Mercedes-Benz engine was replaced with a 16.2-liter MAN D42 six-cylinder engine, which delivers a maximum of 700 horsepower. The engine operates with Dynamic Power and Dynamic Cooling suites, designed to optimize the power band and manage fuel consumption during operation. The machine utilizes a 2-speed hydrostatic ground drive with a maximum transport speed of 40 km/h. Internally, the 8800 features the APS Synflow Hybrid system, utilizing a 1,700-millimeter wide threshing drum and dual 4.2-meter separation rotors. The machine also includes a Jet Stream cleaning system with 3D slope compensation capable of up to 20% adjustment, as well as a multi-level cascade cleaning step.

For grain handling, the Lexion 8800 offers an 18,000-liter grain tank option and an unloading rate of 180 liters per second. The combine has an operating weight of approximately 22,400 kilograms and integrates with the TERRA TRAC track system. Additional features for the 2026 model year include a 12-inch CEBIS touchscreen display and an engine blow-off kit that uses compressed air to clear the after-treatment area. It is a current production model.

Ranked #4 in this list, the Claas Lexion 8900 is the highest-capacity model in the Lexion 8000 range. The combine is powered by a 16.2-liter MAN D42 six-cylinder engine producing a maximum of 790 horsepower. The engine utilizes the Dynamic Power system, which adjusts engine output based on load to reduce fuel consumption by up to 10%. It also includes Dynamic Cooling, featuring a variable fan drive and a top-down airflow system designed to manage dust and operating temperatures. The machine is equipped with a 1,150-liter fuel tank and a 110-liter DEF tank. Internally, it utilizes the APS Synflow Hybrid system, which combines a tangential threshing mechanism with axial separation. Crop enters a 450-millimeter accelerator drum that increases material speed to 20 meters per second before feeding it into a 755-millimeter transverse threshing drum that is 1,700 millimeters wide. Following this pre-threshing stage, the material enters dual 445-millimeter ROTO PLUS axial separation rotors measuring 4.2 meters in length.

For grain handling, the Lexion 8900 features an 18,000-liter grain tank with an unloading rate of 180 liters per second. The unloading auger has a 105-degree swing angle. The combine has an operating weight of approximately 22,400 kilograms and is equipped exclusively with the TERRA TRAC track system, with track options up to 890 millimeters wide. It includes the CEMOS Automatic system, which continuously adjusts the threshing unit, cleaning system, and crop flow during operation. The Lexion 8900 is designed to operate with header widths ranging from 13.8 to 15.3 meters (45 to 50 feet). It is a current production model.

Image source: Case IH

Ranked #3 in this list, the Case IH AF10 features a single-rotor design and shares its horsepower and grain tank capacity with the AF11 and CR11 models. It has an operating weight of approximately 24,000 kilograms. The combine is powered by a longitudinally mounted 15.9-liter FPT Cursor 16 engine that generates 710 rated horsepower and 775 maximum horsepower. The machine utilizes the AFXL single rotor, which measures 3.67 meters (144.5 inches) in length. This single large-diameter rotor is designed to maintain material flow without splitting the crop mat, a configuration intended to manage power requirements in conditions such as high-moisture corn or tough-straw wheat.

The AF10 includes the Cross Flow Plus cleaning system, providing 8.76 square meters of sieve area. For grain handling, it is equipped with a 20,000-liter (567-bushel) grain tank and features an unloading rate of 210 liters per second (6 bushels per second). The combine uses Harvest Command automation software to automatically adjust rotor speed, fan speed, and sieve openings based on real-time grain camera data. Additional equipment includes Pro1200 dual displays and the ActiveTrac hydraulic suspended track system, which is utilized to manage soil compaction. It is a current production model for 2026.

Image source: New Holland Agriculture

Ranked #2 in this list, the New Holland CR11 replaces the CR10.90 as the brand's highest-capacity model. It shares its underlying architecture with the Case IH AF11 and continues the manufacturer's use of Twin Rotor technology, first introduced in 1975. The machine is powered by a longitudinally mounted 15.9-liter FPT Cursor 16 engine with a rated output of 710 horsepower and a maximum output of 775 horsepower. This longitudinal alignment matches the angle of the twin rotors, a design intended to eliminate angle gearboxes and drive belts. The CR11 features 25% fewer drive components than its predecessor and utilizes no chain drives. The machine is equipped with a 1,500-liter fuel tank and a 180-liter DEF tank. For threshing, it uses two 610-millimeter (24-inch) diameter rotors measuring 3.6 meters (142 inches) in length. The Dynamic Feed Roll system accelerates and divides the crop mat into the rotors. The combine also features the TwinClean system, a double cleaning shoe that stacks two sieve systems in sequence. Monitored by the IntelliSense automation system, it adjusts cross-distribution on slopes up to 28% and supports processing rates exceeding 100 tonnes per hour.

For grain handling, the CR11 is equipped with a 20,000-liter (567-bushel) grain tank and has an operating weight of approximately 25,000 kilograms. The unloading rate is 210 liters per second. A cross-auger shut-off mechanism allows the unloading auger to empty completely while the grain tank is partially full, and an optional setting can reduce the unloading speed by 50%. The combine includes the IntelliSpread radar system, which automates residue spreading across widths up to 60 feet by adjusting to wind and moisture conditions in real time. To manage ground pressure, the machine utilizes New Holland's SmartTrax track system, which also optimizes transport widths for varying road regulations. It is a fully commercially available production model.

Ranked #1 in this list, the Case IH AF11 utilizes the AFXL2 dual-rotor system, representing a departure from the manufacturer's historical single-rotor Axial-Flow design to operate within the Class 10+ category. The combine is powered by a longitudinally mounted 15.9-liter FPT Cursor 16 engine with a rated output of 710 horsepower and a maximum output of 775 horsepower. The engine alignment matches the rotors, a design intended to eliminate right-angle gearboxes, simplify the drivetrain, and reduce fuel consumption. During harvesting, the engine operates at 1,900 RPM. Internally, the dual AFXL2 rotors measure 3.6 meters (141.7 inches) in length. The machine also utilizes a Cross Flow Plus cleaning shoe providing a total sieve area of 8.76 square meters (13,578 square inches). This system uses pressure sensors to detect uneven loading on side hills and laterally oscillates the shoe to level the crop mat.

For grain handling, the AF11 features a 20,000-liter (567-bushel) grain tank with an unloading rate of 210 liters per second (6 bushels per second), allowing the tank to be emptied in 100 seconds. The clean grain elevator uses a belt-driven system designed to move up to 10,000 bushels per hour. The combine includes radar-controlled residue management systems to spread material across header widths of up to 18.6 meters (61 feet). It has a base operating weight of 26,547 kilograms and is available with track systems utilizing VF900/65 R46 reference drive tires. Operation and settings are managed through Pro1200 dual displays and the Harvest Command automation suite, which automatically adjusts the machine based on operator parameters. It is a current production model for the 2026 model year.

The 2026 landscape for high-capacity combine harvesters demonstrates a clear industry trajectory toward maximizing throughput while managing physical constraints. The expansion of the Class 10 and Class 10+ segments, characterized by machines achieving up to 20,000-liter grain tank capacities and engine outputs exceeding 770 horsepower, reflects the evolving requirements of modern large-scale agriculture.

As physical dimensions approach the limits of practical field operation and global road transport regulations, manufacturers are increasingly relying on architectural innovations to support these immense scales. This includes the implementation of longitudinal engine mounting to simplify drivetrains, advanced track undercarriages to mitigate soil compaction, and extended multi-rotor or hybrid separation systems to maintain grain quality at high processing speeds. Furthermore, the standard integration of automated systems - such as real-time grain camera monitoring, automated ground speed adjustments, and sensor-driven cleaning shoes - ensures these machines maintain consistent efficiency across fluctuating field conditions. 

Ultimately, the top 10 biggest combines of 2026 represent the current upper limit of commercially available harvesting equipment, providing the necessary scale and processing capabilities for high-volume global farming operations.

What is the biggest combine harvester in the world?

The biggest combine harvester in the world for 2026 is the Case IH AF11. It secures the top position due to its unparalleled combination of grain tank volume, engine power, and massive dual-rotor architecture.

Who manufactures the biggest combine harvester?

The AF11 is manufactured by Case IH, a global agricultural machinery brand owned by CNH Industrial. Case IH historically built its legacy on single-rotor designs before pivoting to a dual-rotor system for this flagship model.

What are the parameters of the biggest combine harvester?

The Case IH AF11 features a 20,000-liter (567-bushel) grain tank, a maximum engine output of 775 horsepower, and a rapid unloading rate of 210 liters per second. It has a base operating weight of 26,547 kilograms and handles header widths up to 18.6 meters.

Where can such a machine be used?

These colossal harvesters are primarily utilized by ultra-large commercial farms and custom harvesting contractors operating across vast agricultural expanses. They are essential in high-yield environments where clearing massive fields quickly during short harvest windows is critical.

What defines a Class 10+ combine harvester?

The newly established Class 10+ segment includes next-generation machines that have outgrown legacy industry parameters. These combines are generally characterized by pushing well past the 700-horsepower and 15,000-liter capacity thresholds.

Why do the largest combine harvesters use track systems instead of tires?

Because the base operating weights of these machines can exceed 26,000 kilograms before even being loaded with grain, advanced track systems are necessary to distribute the massive weight. This superior flotation helps minimize destructive subsoil compaction and maintains field health.