Deutz-Fahr AgroStar 6.21

The Deutz-Fahr AgroStar 6.21 is a tractor produced by Deutz Fahr. It is equipped with a 373.9 ci 6.1 L engine. The listed engine power is Diesel (listed): 113 hp / 84.3 kW. Transmission: 18 forward and 6 reverse. Operating weight: 10143 lbs 4600 kg.

Engine Power

Diesel (listed): 113 hp / 84.3 kW

Fuel & Capacities

44.9 gal 169.9 L

Transmission

18 forward and 6 reverse

Operating Weight

10143 lbs 4600 kg

Overview

	1991 - 1993 AgroStar Series

Production
Manufacturer	Deutz-Fahr

Deutz-Fahr 6.21 Engine
Deutz 6.1L 6-cyl diesel
Fuel tank	44.9 gal 169.9 L
Engine details ...

Deutz-Fahr 6.21 Transmission
18-speed
Transmission details ...

Deutz-Fahr 6.21 Power
Engine	113 hp 84.3 kW

Mechanical
Four-wheel drive

Hydraulics
Pump flow	14.8 gpm 56.0 lpm

Tractor hitch
Rear lift	14332 lbs 6500 kg

Power Take-off (PTO)
Rear PTO Type	540, 1000

Dimensions & Tires
Wheelbase	107.1 inches 272 cm
Weight	10143 lbs 4600 kg
Front tire	16.9R26
Rear tire	18.4R38
Full dimensions and tires ...

Engine

Engine Detail — 373.9 ci / 6.1 L Diesel

Manufacturer	Deutz BF6L 912
Configuration	turbocharged diesel, 6-cylinder, air-cooled
Displacement	373.9 ci 6.1 L
Bore/Stroke	4.02x4.92 inches 102 x 125 mm
Power	113 hp 84.3 kW
Rated RPM	2300

Transmission

Transmission — 18 forward and 6 reverse

Gears

18 forward and 6 reverse

Dimensions

Deutz-Fahr 6.21 Tires
Ag front	16.9R26
Ag rear	18.4R38

Dimensions
Wheelbase	107.1 inches 272 cm
Length	186.6 inches 473 cm
Height	111 inches 281 cm
Weight	10143 lbs 4600 kg

Photos

Deutz-Fahr AgroStar 6.21 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Deutz Fahr Deutz-Fahr AgroStar 6.21 based on its 113 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm)	Heavy Duty	Heavy primary tillage; semi-mounted hitch recommended.
Rotary Cutter / MowerMowing & Clearing	10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼	Heavy Duty	Wide swath pasture and crop residue shredding.
Rotary TillerSeedbed Prep	90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机	Commercial / Field Scale	Deep intensive seedbed preparation for commercial row crops.
Disc HarrowSecondary Tillage	10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙	Heavy Duty	Aggressive residue cutting in corn/cotton stubble.
Hay BalerHay & Forage	5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机	Heavy Duty	High density baling; requires minimum 85 PTO HP.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Deutz Fahr Deutz-Fahr AgroStar 6.21.

Estimated Continuous Field Runtime: 7.6 hrs

Approximately 7.6 hours of continuous field operation at ~75% rated power on a full tank (44.9 gal / 170 L).

Estimated 75% Load Fuel Burn~5.9 gal/hr (22.2 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours

Deutz Fahr Deutz-Fahr AgroStar 6.21 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Deutz Fahr Deutz-Fahr AgroStar 6.21.

Enter value:

Unit:

Converted Equivalents:

Horsepower (HP)113 hp

Kilowatts (kW)84.3 kW

Metric Horsepower (PS / CV)114.6 PS

Direct Competitor Comparison

Compare Deutz-Fahr AgroStar 6.21 against same-era industry alternatives in the same horsepower class.

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