WhichTractor
  • Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1990–1993

WhichTractor size, not the maker’s category

Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is

Deutz-Fahr AgroStar 6.31 specs: hp, weight, years

KHD BF6L 913 six-cylinder diesel. The manufacturer claimed 124.27 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

124.27 hp

92.67 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Deutz-Fahr AgroStar 6.31”, claimed

This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.

Weight
10,229 lb
3-point lift
14,330 lb
Hyd. flow
15.3 gpm
Top speed
18.6–24.9 mph

Deutz-Fahr AgroStar 6.31 specs: key facts

  • The Deutz-Fahr AgroStar 6.31 was built from 1990 to 1993.

  • The Deutz-Fahr AgroStar 6.31 has a claimed engine power (gross or net not stated) of 92.67 kW (124.27 hp); it has no measured PTO figure.

  • The Deutz-Fahr AgroStar 6.31 is four-wheel drive (4WD).

  • The Deutz-Fahr AgroStar 6.31 has a KHD BF6L 913 engine, a 6-cylinder 6.13 L diesel unit.Source 2

  • The Deutz-Fahr AgroStar 6.31 weighs 4,640 kg (10,229 lb) unladen.

  • The Deutz-Fahr AgroStar 6.31 has an independent rear PTO running at 1000 rpm.

  • The three-point hitch of the Deutz-Fahr AgroStar 6.31 lifts 6,500 kg (14,330 lb) at the lower-link ends.

  • The hydraulic pump of the Deutz-Fahr AgroStar 6.31 delivers 58.0 L/min (15.3 gpm).

Source · Traktorenlexikon, “Deutz-Fahr AgroStar 6.31”

How does the AgroStar 6.31 compare with its class?

  • Limitation:

    The power figure is a manufacturer claim, not a measurement. No laboratory test report exists for this machine. Of the 276 tractors within 10% of its power, 10% carry one.

Derived by WhichTractor from 276 comparable records. How we work this out

Deutz-Fahr AgroStar 6.31 tractor
Photo: JohannesErwinEugen.R, CC BY-SA 3.0 via Wikimedia Commons · Wrong photo?

How much horsepower does an AgroStar 6.31 have?

The only figure for the AgroStar 6.31 is 124.27 hp (92.67 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.

Engine, claimed (gross/net not stated)
124.27 hp

Source · Traktorenlexikon, “Deutz-Fahr AgroStar 6.31”

What engine is in an AgroStar 6.31?

An AgroStar 6.31 has a KHD BF6L 913, a 6-cylinder 6.13 L diesel engine.

Engine — AgroStar 6.31 engine specifications
Make & modelKHD BF6L 913Source 2
Cylinders6, air-cooledSource 2
Displacement374.0 ci · 6.13 LSource 2
Max torque303 lb·ft · 411 N·m @ 1,600 rpm
Electrical system12 V

Source · Traktorenlexikon, “Deutz-Fahr AgroStar 6.31”

How much will an AgroStar 6.31 lift, and what is its hydraulic flow?

An AgroStar 6.31 lifts 14,330 lb (6,500 kg) at the lower-link ends of its Category 2 three-point hitch.

Hydraulics & PTO — AgroStar 6.31 hydraulics and PTO specifications
Pump flow15.3 gpm · 58.0 L/min
Hitch categoryCategory 2
Lift at ends14,330 lb · 6,500 kg
Rear PTOIndependent, 1000 rpmEngages under load

Source · Traktorenlexikon, “Deutz-Fahr AgroStar 6.31”

What transmission does an AgroStar 6.31 have?

Transmission specifications for the AgroStar 6.31 are below.

Transmission — AgroStar 6.31 transmission specifications
Top speed18.6–24.9 mph · 30–40 km/hthe article lists alternatives

Source · Traktorenlexikon, “Deutz-Fahr AgroStar 6.31”

How much does an AgroStar 6.31 weigh?

An AgroStar 6.31 weighs 10,229 lb (4,640 kg) unladen.

Weights & dimensions — AgroStar 6.31 weights and dimensions
Unladen weight10,229 lb · 4,640 kg
Maximum permissible mass18,739 lb · 8,500 kg
Maximum front axle load7,716 lb · 3,500 kg
Maximum rear axle load14,330 lb · 6,500 kg
Wheelbase107.0 in · 2,718 mm
Length179.4 in · 4,556 mm
Width97.2 in · 2,470 mm
Height110.9 in · 2,818 mm
Ground clearance20.9 in · 530 mm
Front track63.0–70.9 in · 1,600–1,800 mmthe article lists alternatives
Rear track59.1–70.9 in · 1,500–1,800 mmthe article lists alternatives

Source · Traktorenlexikon, “Deutz-Fahr AgroStar 6.31”

What oil does an AgroStar 6.31 take, and how much?

An AgroStar 6.31 engine takes 16.9 qt (16 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

AgroStar 6.31 fluid capacities, grades and service intervals
SystemCapacity
Engine oil16.9 qt · 16 LSource: Traktorenlexikon, “Deutz-Fahr AgroStar 6.31” · single source, not independently verified
Transmission46.5 qt · 44 LSource: Traktorenlexikon, “Deutz-Fahr AgroStar 6.31” · single source, not independently verified
Hydraulic31.7 qt · 30 LSource: Traktorenlexikon, “Deutz-Fahr AgroStar 6.31” · single source, not independently verified

Always confirm against the operator’s manual for your machine before service.

Which tractors compare with an AgroStar 6.31?

Within 10% of its 102 hp at the PTO as the maker claimed it, with no laboratory test on file, the same type, and first built within 15 years of it.

Common questions about the Deutz-Fahr AgroStar 6.31

Is an AgroStar 6.31 two-wheel drive or four-wheel drive?

The Deutz-Fahr AgroStar 6.31 is four-wheel drive (4WD).

What PTO does an AgroStar 6.31 have?

An AgroStar 6.31 has a independent 1000 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Deutz-Fahr DX 160”; and Traktorenlexikon, “Deutz-Fahr AgroStar 6.31”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: Deutz-Fahr AgroStar 6.31 — CC BY-SA 4.0, WIKIBOOKS-TL-87879 · revision 1089910. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Deutz-Fahr DX 160 — CC BY-SA 4.0, WIKIBOOKS-TL-87338 · revision 1089850. Wikibooks contributors (Traktorenlexikon). Original document