WhichTractor
  • Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1978–1984

WhichTractor size, not the maker’s category

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

Steyr 8120 (a) specs: hp, weight, years

Steyr WD-611.85 six-cylinder diesel. The manufacturer claimed 98.7 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

98.7 hp

73.6 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Steyr 8120”, 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
8,477 lb
3-point lift
8,957 lb
Hyd. flow
9.4 gpm
Top speed
15.5–18.6 mph

Steyr 8120 (a) specs: key facts

  • The Steyr 8120 (a) was built from 1978 to 1984.

  • The Steyr 8120 (a) has a claimed engine power (gross or net not stated) of 73.6 kW (98.7 hp); it has no measured PTO figure.

  • The Steyr 8120 (a) was offered in two-wheel-drive and four-wheel-drive versions.

  • The Steyr 8120 (a) has a Steyr WD-611.85 engine, a 6-cylinder 5.18 L diesel unit.

  • The Steyr 8120 (a) weighs 3,845 kg (8,477 lb) unladen.

  • The Steyr 8120 (a) has an independent rear PTO running at 540/1000 rpm.

  • The three-point hitch of the Steyr 8120 (a) lifts 4,063 kg (8,957 lb) at the lower-link ends.

  • The hydraulic pump of the Steyr 8120 (a) delivers 35.5 L/min (9.4 gpm).

Source · Traktorenlexikon, “Steyr 8120”

Illustration of the 1978–1984 Steyr 8120 (a), a 99 hp farm tractor, four-wheel-drive version · cab was optional — shown without it, a drawing generated from its specification record
Illustration — not a photograph · four-wheel-drive version · cab was optional — shown without it

How much horsepower does an 8120 (a) have?

The only figure for the 8120 (a) is 98.7 hp (73.6 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)
98.7 hp

Source · Traktorenlexikon, “Steyr 8120”

What engine is in an 8120 (a)?

An 8120 (a) has a Steyr WD-611.85, a 6-cylinder 5.18 L diesel engine.

Engine — 8120 (a) engine specifications
Make & modelSteyr WD-611.85
Cylinders6, liquid-cooled
Displacement316.3 ci · 5.18 L
Max torque267 lb·ft · 362 N·m @ 1,300 rpm
InjectionDirect injection
Electrical system12 V

Source · Traktorenlexikon, “Steyr 8120”

How much will an 8120 (a) lift, and what is its hydraulic flow?

An 8120 (a) lifts 8,957 lb (4,063 kg) at the lower-link ends.

Hydraulics & PTO — 8120 (a) hydraulics and PTO specifications
Pump flow9.4 gpm · 35.5 L/min
Pressure3,553 psi · 245 bar
Lift at ends8,957 lb · 4,063 kg
Rear PTOIndependent, engine-driven, 540/1000 rpm @ 2,057 engine rpmEngages under load

Source · Traktorenlexikon, “Steyr 8120”

What transmission does an 8120 (a) have?

Transmission specifications for the 8120 (a) are below.

Transmission — 8120 (a) transmission specifications
ClutchDry Fichtel & Sachs single-disc clutch
SteeringHydrostatic ZF steering with separate oil circuit
Top speed15.5–18.6 mph · 25–30 km/hthe article lists alternatives

Source · Traktorenlexikon, “Steyr 8120”

How much does an 8120 (a) weigh?

An 8120 (a) weighs 8,477 lb (3,845 kg) unladen.

Weights & dimensions — 8120 (a) weights and dimensions
Unladen weight8,477 lb · 3,845 kgtwo-wheel-drive version
Wheelbase98.8 in · 2,509 mm2,540
Length163.0 in · 4,140 mmtwo-wheel-drive version
Width84.3–104.5 in · 2,140–2,654 mm
Height102.2 in · 2,595 mm
Ground clearance17.3 in · 440 mmtwo-wheel-drive version
Front track58.2–81.8 in · 1,478–2,078 mmtwo-wheel-drive version
Rear track65.1–75.2 in · 1,654–1,910 mmthe article lists alternatives
Turning radius, braked13.8 ft · 4.20 mtwo-wheel-drive version

Source · Traktorenlexikon, “Steyr 8120”

What oil does an 8120 (a) take, and how much?

An 8120 (a) engine takes 10.6 qt (10.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

8120 (a) fluid capacities, grades and service intervals
SystemCapacity
Engine oil10.6 qt · 10.0 LSource: Traktorenlexikon, “Steyr 8120” · single source, not independently verified
Transmission50.7 qt · 48.0 LSource: Traktorenlexikon, “Steyr 8120” · single source, not independently verified
Hydraulic16.9 qt · 16.0 LSource: Traktorenlexikon, “Steyr 8120” · single source, not independently verified
Front axle6.0 qt · 5.7 LSource: Traktorenlexikon, “Steyr 8120” · single source, not independently verified
Cooling system19.0 qt · 18.0 LSource: Traktorenlexikon, “Steyr 8120” · single source, not independently verified

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

Which tractors compare with an 8120 (a)?

Within 10% of its 98.7 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the Steyr 8120 (a)

Is an 8120 (a) two-wheel drive or four-wheel drive?

The Steyr 8120 (a) was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does an 8120 (a) have?

An 8120 (a) has a independent 540/1000 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Steyr 8120”.

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: Steyr 8120 — CC BY-SA 4.0, WIKIBOOKS-TL-72599 · revision 1015106. Wikibooks contributors (Traktorenlexikon). Original document