Short answer
The John Deere 9RX 830 is the biggest here at 913 hp peak power. The Case IH Steiger Quadtrac 715 follows at 778 hp, then the New Holland T9.700 at 699 hp, the Fendt 1167 Vario MT at 680 hp and the CLAAS Xerion 12.650 at 653 hp.
- Most powerful
- John Deere 9RX 830, 913 hp
- Largest engine here
- JD18 18-litre, six-cylinder
- Layout
- Articulated four-wheel or four-track
5 Biggest Tractors in the World at a Glance
| No. | Model | Peak engine power | Version / era |
|---|---|---|---|
| 01 | John Deere 9RX 830Current flagship | 913 hp | Current flagship |
| 02 | Case IH Steiger Quadtrac 715Current flagship | 778 hp | Current flagship |
| 03 | New Holland T9.7002025 T9 range | 699 hp | 2025 T9 range |
| 04 | Fendt 1167 Vario MT1100 Vario MT range | 680 hp | 1100 Vario MT range |
| 05 | CLAAS Xerion 12.650Xerion 12 series | 653 hp | Xerion 12 series |
No entries match your search.
The scale of the difference
Peak engine power
First 5 entries shown. Bar lengths compare the magnitude of the reported values.
- John Deere 9RX 830913 hp
- Case IH Steiger Quadtrac 715778 hp
- New Holland T9.700699 hp
- Fendt 1167 Vario MT680 hp
- CLAAS Xerion 12.650653 hp
5 Biggest Tractors in the World: Entry Details
John Deere 9RX 830
Current flagshipDeere’s largest tractor pairs an 18-litre six-cylinder engine with four tracks. It is rated at 830 hp and reaches 913 hp at peak, and its base machine weight is 76,000 lb.
- Rated power
- 830 hp
- Base weight
- 76,000 lb
Case IH Steiger Quadtrac 715
Current flagshipThe Quadtrac 715 is Case IH’s most powerful tracked tractor. A 16-litre two-stage turbo engine delivers 715 hp rated and 778 hp at peak through a 16-speed powershift.
- Rated power
- 715 hp
- Engine
- 16-litre FPT Cursor
New Holland T9.700
2025 T9 rangeThe T9.700 tops New Holland’s updated T9 line, which spans 467 to 699 peak hp. It is offered as a wheeled or SmartTrax tracked tractor.
- T9 range peak
- 467–699 hp
- Engine
- FPT Cursor
Fendt 1167 Vario MT
1100 Vario MT rangeThe 1167 is the top Fendt track tractor and the only 1100 Vario MT model with the 16.2-litre engine. Fendt lists 500 kW (680 hp) under ECE R 120.
- Power
- 500 kW / 680 hp
- Displacement
- 16.2 litres
CLAAS Xerion 12.650
Xerion 12 seriesThe Xerion 12.650 is CLAAS’s largest tractor, with a maximum of 480 kW (653 hp) and 612 hp rated. It is sold on Terra Trac tracks or as a wheeled Trac.
- Rated power
- 450 kW / 612 hp
- Torque
- 3,100 Nm
5 Biggest Tractors in the World: Analysis
Why the 9RX 830 leads
Deere’s 18-litre engine gives the 9RX 830 a 135 hp margin over the Quadtrac 715 on peak output. Deere also publishes a 76,000 lb base weight for it, which places the biggest engine in a very heavy four-track chassis.
Peak figures are not directly interchangeable
Makers quote peak power under different engine-management rules, and Deere, Case IH and CLAAS also publish lower rated values. The last three places are separated by under 50 hp, so treat them as one close group. Buyers working smaller land should look at the subcompact tractor guide instead.
Our verdict
Editorial verdict
The John Deere 9RX 830 is the biggest tractor in this comparison on peak engine power. Case IH is a clear second, while the New Holland, Fendt and CLAAS flagships sit close together below 700 hp.
FAQ: 5 Biggest Tractors in the World
What is the most powerful tractor in the world?
Among series-production tractors here, the John Deere 9RX 830 leads with 913 hp peak, 830 hp rated.
How much power does the Case IH Quadtrac 715 make?
Case IH lists 715 hp rated and 778 hp peak from a 16-litre engine.
Is peak power the same as rated power?
No. Rated power is the continuous figure, while peak power is a short-duration maximum. This ranking uses peak power as published by each maker.
Is the Big Bud 16V-747 included?
No. This list covers current series-production flagships, not one-off or historic machines.
Which of these is a wheeled tractor?
The New Holland T9.700 is offered with wheels or SmartTrax tracks, and the CLAAS Xerion 12.650 as a wheeled Trac or on Terra Trac tracks. The Deere, Case IH and Fendt flagships here are track machines.
Sources & methodology
Peak engine power as published by each manufacturer for its current flagship. Figures use each maker’s own rating standard (mostly metric hp, ISO or ECE R 120), so small differences between brands are indicative. Series-production tractors only, one model per manufacturer.
Maintained by Artsiom Dusau, a software engineer and BMW 4 Series owner. Editorial policy
