Utility tractorsSpec sheet
Steiger Cougar III ST-251
The Steiger Cougar III ST-251 is a powerful utility tractor built for tough jobs. It has a 4x4 articulated chassis and four-wheel drive, making it great for working in rough fields. The tractor is big, measuring 252 inches long, 96 inches wide, and 155.8 inches tall. It's also heavy, weighing 26,610 pounds, which is very high compared to other tractors. Under the hood, the Cougar III has a strong Cummins NT-855C diesel engine. This engine has 6 cylinders and is turbocharged, giving it lots of power. It can produce 250 horsepower, which is very high for tractors. The engine size is also very large at 855 cubic inches. The tractor has a manual transmission with 20 forward gears and 4 reverse gears, allowing for precise speed control. It uses hydrostatic power steering and has an open center hydraulic system. The Cougar III is built for serious farm work, with agricultural tires and a category III hitch for attaching big implements.
ManufacturerSteigerPower250 hp(186.4 kW)Class150–300 HP tractors →Engine6-cylinderTransmissionManual
Image not recorded
Key specifications
- Category
- Utility
- Engine power
- 250hp
- Operating weight
- 26,610 lb
- Transmission
- Manual
Category comparison
Cougar III ST-251 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
250 hp · 96th
This model
9
Median 55 hp
177
250
This modelUtility tractorsMediann = 5,383
The Cougar III ST-251 ranks at the 96th percentile for engine power among recorded utility tractors.
Overview
About the Steiger Cougar III ST-251
The Steiger Cougar III ST-251 is a powerful utility tractor built for tough jobs. It has a 4x4 articulated chassis and four-wheel drive, making it great for working in rough fields. The tractor is big, measuring 252 inches long, 96 inches wide, and 155.8 inches tall. It's also heavy, weighing 26,610 pounds, which is very high compared to other tractors. Under the hood, the Cougar III has a strong Cummins NT-855C diesel engine. This engine has 6 cylinders and is turbocharged, giving it lots of power. It can produce 250 horsepower, which is very high for tractors. The engine size is also very large at 855 cubic inches. The tractor has a manual transmission with 20 forward gears and 4 reverse gears, allowing for precise speed control. It uses hydrostatic power steering and has an open center hydraulic system. The Cougar III is built for serious farm work, with agricultural tires and a category III hitch for attaching big implements.
Full specifications
Recorded specifications
General
| Manufacturer | Steiger |
|---|---|
| Model | Cougar III ST-251 |
| Category | Utility tractor |
| Type | 4x4 articulated |
| Operating weight | 26,610lb(12,070 kg) |
Engine
| Make | Cummins |
|---|---|
| Model | NT-855C |
| Power | 250hp(186.4 kW) |
| Cylinders | 6 |
| Displacement | 855ci(14.01 L) |
| Bore | 5.5in(139.7 mm) |
| Stroke | 6in(152.4 mm) |
Transmission
| Type | Manual |
|---|---|
| Forward gears | 20 |
| Reverse gears | 4 |
Chassis & drive
| Chassis | 4x4 articulated |
|---|---|
| Drive | 4WD |
| Steering | Hydrostatic power |
Hydraulics
| Type | Open Center |
|---|
Dimensions
| Length | 252in(6,401 mm) |
|---|---|
| Width | 96in(2,438 mm) |
| Height | 155.8in(3,957 mm) |
| Operating weight | 26,610lb(12,070 kg) |
Capacities
| Cooling system | 14gal(53 L) |
|---|
Closest alternatives
Cougar III ST-251 compared with the nearest models by horsepower
By engine horsepower, the nearest utility models to the Cougar III ST-251 are the Steiger Cougar III PT-250 and the Steiger Cougar IV CM-250. The Steiger Cougar III PT-250 matches it on rated power and weighs 1,830 lb more. The Steiger Cougar IV CM-250 matches it on rated power and weighs 1,600 lb less.
| Spec | Steiger Cougar III ST-251 | Steiger Cougar III PT-250 | Steiger Cougar IV CM-250 |
|---|---|---|---|
| Engine power | 250 hp186.4 kW | 250 hp186.4 kW | 250 hp186.4 kW |
| Operating weight | 26,610 lb12,070 kg | 28,444 lb12,902 kg | 25,011 lb11,345 kg |
| Weight per hp | 106 lb/hp65 kg/kW | 114 lb/hp69 kg/kW | 100 lb/hp61 kg/kW |
| Displacement | 855 ci14.01 L | 638 ci10.45 L | 638 ci10.45 L |
| Cylinders | 6 | 6 | 6 |
| Transmission | Manual | Constant mesh | gear |
| Drive | 4WD | 4WD | 4WD |
Calculators
Calculators for the Cougar III ST-251
PTO power
About 208 to 225 PTO hp
Estimated from the 250 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 250 hp tractor can run
Maximum size is about a 29.5 ft rotary cutter or a 25.5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
124 lb per PTO hp as listed
The calculator gives the target weight and front/rear split for each job.
Units
250 hp is 186.4 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
Cougar III ST-251 vs. Utility median
Steiger Cougar III ST-251 compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 250 hp | 55 hp | +355% | 96th |
| Engine Displacement | 855 ci | 183 ci | +367% | 98th |
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 20 | 12 | +67% | 86th |
| Operating Weight | 26,610 lb | 5,303 lb | +402% | 96th |
| Length | 252 in | 137 in | +84% | 96th |
| Width | 96 in | 66 in | +45% | 95th |
| Height | 156 in | 94.1 in | +66% | 99th |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 3,933–5,720 models).
Same manufacturer
Other Steiger models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
How much horsepower does the Steiger Cougar III ST-251 have?
The Steiger Cougar III ST-251 produces 250 hp from its 6-cylinder engine. Engine displacement is 855 ci.
What hydraulics does the Steiger Cougar III ST-251 have?
The Steiger Cougar III ST-251 uses an Open Center hydraulic system.
What three-point hitch category does the Steiger Cougar III ST-251 use?
The Steiger Cougar III ST-251 has a Category III three-point hitch.
How much does the Steiger Cougar III ST-251 weigh?
The Steiger Cougar III ST-251 weighs about 26,610 lb in operating condition.
What transmission is in the Steiger Cougar III ST-251?
Transmission on the Steiger Cougar III ST-251 is Manual, with 20 forward speeds.
What maintenance does the Steiger Cougar III ST-251 require?
The Steiger Cougar III ST-251 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.