Row Crop tractorsSpec sheet
Deutz-Fahr AgroStar 6.21
The Deutz-Fahr AgroStar 6.21 is a powerful 4-wheel drive tractor built for serious farm work. It has a strong 6-cylinder diesel engine made by Deutz-Fahr. This engine is air-cooled and turbocharged, giving it extra power. It can produce 113 horsepower, which is plenty for most farming tasks. This tractor has a manual transmission with 18 forward gears and 6 reverse gears. This gives the driver lots of options for different speeds and tasks. The AgroStar 6.21 is quite big, measuring 186.6 inches long and 111 inches tall. It's also heavy, weighing 10,143 pounds. This size and weight help it handle tough jobs on the farm. The tractor has agricultural tires on both the front and back, which are good for gripping in fields.
ManufacturerDeutz-FahrPower113 hp(84.3 kW)Class100–150 HP tractors →Engine6-cylinderTransmissionManual
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Key specifications
- Category
- Row Crop
- Engine power
- 113hp
- Operating weight
- 10,143 lb
- Transmission
- Manual
Category comparison
AgroStar 6.21 compared with its category
vs. Row Crop medianDistribution
Engine Power (hp)
All recorded Row Crop tractors
113 hp · 34th
This model
12
Median 138 hp
283
This modelRow Crop tractorsMediann = 1,206
The AgroStar 6.21 ranks at the 34th percentile for engine power among recorded row crop tractors.
Overview
About the Deutz-Fahr AgroStar 6.21
The Deutz-Fahr AgroStar 6.21 is a powerful 4-wheel drive tractor built for serious farm work. It has a strong 6-cylinder diesel engine made by Deutz-Fahr. This engine is air-cooled and turbocharged, giving it extra power. It can produce 113 horsepower, which is plenty for most farming tasks. This tractor has a manual transmission with 18 forward gears and 6 reverse gears. This gives the driver lots of options for different speeds and tasks. The AgroStar 6.21 is quite big, measuring 186.6 inches long and 111 inches tall. It's also heavy, weighing 10,143 pounds. This size and weight help it handle tough jobs on the farm. The tractor has agricultural tires on both the front and back, which are good for gripping in fields.
Full specifications
Recorded specifications
General
| Manufacturer | Deutz-Fahr |
|---|---|
| Model | AgroStar 6.21 |
| Category | Row Crop tractor |
| Type | 4x4 MFWD 4WD |
| Operating weight | 10,143lb(4,601 kg) |
Engine
| Make | Deutz-Fahr |
|---|---|
| Model | Deutz BF6L 912 |
| Power | 113hp(84.26 kW) |
| Cylinders | 6 |
| Displacement | 373.9ci(6.13 L) |
| Bore | 4.02in(102.1 mm) |
| Stroke | 4.92in(125 mm) |
Transmission
| Type | Manual |
|---|---|
| Forward gears | 18 |
| Reverse gears | 6 |
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | 4WD |
Dimensions
| Length | 186.6in(4,740 mm) |
|---|---|
| Height | 111in(2,819 mm) |
| Operating weight | 10,143lb(4,601 kg) |
Closest alternatives
AgroStar 6.21 compared with the nearest models by horsepower
Among row crop tractors, the International Harvester 3688 and the Farmall 1256 are closest to the Deutz-Fahr AgroStar 6.21 in rated horsepower. The International Harvester 3688 matches it on rated power and weighs 3,060 lb more, so it carries more weight per horsepower, which helps traction in draft work. The Farmall 1256 matches it on rated power and weighs 260 lb more. Of the 3 models, the AgroStar 6.21 has the lowest weight per horsepower at 90 lb per hp.
| Spec | Deutz-Fahr AgroStar 6.21 | International Harvester 3688 | Farmall 1256 |
|---|---|---|---|
| Engine power | 113 hp84.3 kW | 113 hp84.3 kW | 113 hp84.3 kW |
| Operating weight | 10,143 lb4,601 kg | 13,200 lb5,987 kg | 10,405 lb4,720 kg |
| Weight per hp | 90 lb/hp55 kg/kW | 117 lb/hp71 kg/kW | 92 lb/hp56 kg/kW |
| Displacement | 373.9 ci6.13 L | 436 ci7.14 L | 407 ci6.67 L |
| Cylinders | 6 | 6 | 6 |
| Transmission | Manual | Partial power shift | Gear type |
| Drive | 4WD | 2WD | 4x2 2WD |
| Years built | - | 1981-1985 | 1967-1969 |
Calculators
Calculators for the AgroStar 6.21
PTO power
About 94 to 102 PTO hp
Estimated from the 113 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 113 hp tractor can run
Maximum size is about a 13.5 ft rotary cutter or a 11.5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
104 lb per PTO hp as listed
Heavy draft work calls for 120 to 135 lb/hp. The calculator gives the ballast to add.
Units
113 hp is 84.3 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
AgroStar 6.21 vs. Row Crop median
Deutz-Fahr AgroStar 6.21 compared with other Row Crop tractors
| Spec | This model | Row Crop median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 113 hp | 138 hp | -18% | 34th |
| Engine Displacement | 374 ci | 391 ci | -4% | 48th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 18 | 16 | +13% | 61st |
| Operating Weight | 10,143 lb | 12,307 lb | -18% | 32nd |
| Length | 187 in | 180 in | +4% | 57th |
| Height | 111 in | 114 in | -2% | 40th |
Medians and percentiles are calculated from the row crop tractors in the database that have a recorded value for each specification (sample size 1,140–1,417 models).
Same manufacturer
Other Deutz-Fahr models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
How much horsepower does the Deutz-Fahr AgroStar 6.21 have?
The Deutz-Fahr AgroStar 6.21 produces 113 hp from its 6-cylinder engine. Engine displacement is 373.9 ci.
What transmission is in the Deutz-Fahr AgroStar 6.21?
Transmission on the Deutz-Fahr AgroStar 6.21 is Manual, with 18 forward speeds.
How much does the Deutz-Fahr AgroStar 6.21 weigh?
The Deutz-Fahr AgroStar 6.21 weighs about 10,143 lb in operating condition.
What maintenance does the Deutz-Fahr AgroStar 6.21 require?
The Deutz-Fahr AgroStar 6.21 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.