WhichTractor
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1996–2001

WhichTractor size, not the maker’s category

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

Case-Steyr M 958 (a) specs: hp, weight, years

PERKINS 903-27 T three-cylinder diesel. The manufacturer claimed 57.3 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

57.3 hp

42.7 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Steyr M 958”, 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
5,203 lb
3-point lift
4,894 lb
Hyd. flow
8.1 gpm
Top speed
18.6–24.9 mph

Case-Steyr M 958 (a) specs: key facts

  • The Case-Steyr M 958 (a) was built from 1996 to 2001.

  • The Case-Steyr M 958 (a) has a claimed engine power (gross or net not stated) of 42.7 kW (57.3 hp); it has no measured PTO figure.

  • The Case-Steyr M 958 (a) was offered in two-wheel-drive and four-wheel-drive versions.

  • The Case-Steyr M 958 (a) has a PERKINS 903-27 T engine, a 3-cylinder 2.70 L diesel unit.Source 1

  • The Case-Steyr M 958 (a) weighs 2,360 kg (5,203 lb) unladen.

  • The Case-Steyr M 958 (a) has a rear PTO running at 540/1000 rpm.

  • The three-point hitch of the Case-Steyr M 958 (a) lifts 2,220 kg (4,894 lb) at the lower-link ends.

  • The hydraulic pump of the Case-Steyr M 958 (a) delivers 30.8 L/min (8.1 gpm).

Source · Traktorenlexikon, “Steyr M 958”

Illustration of the 1996–2001 Case-Steyr M 958 (a), a 57 hp farm tractor, four-wheel-drive version, a drawing generated from its specification record
Illustration — not a photograph · four-wheel-drive version

How much horsepower does an M 958 (a) have?

The only figure for the M 958 (a) is 57.3 hp (42.7 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)
57.3 hp

Source · Traktorenlexikon, “Steyr M 958”

What engine is in an M 958 (a)?

An M 958 (a) has a PERKINS 903-27 T, a 3-cylinder 2.70 L diesel engine.

Engine — M 958 (a) engine specifications
Make & modelPERKINS 903-27 T
Cylinders3, liquid-cooledSource 2
Displacement164.8 ci · 2.70 L
Aspirationsupercharged
Max torque136 lb·ft · 184 N·m @ 1,400 rpmSource 2
Injectiondirect injection methodSource 2
Electrical system12 VSource 2

Source · Traktorenlexikon, “Case-IH CS52/a”

How much will an M 958 (a) lift, and what is its hydraulic flow?

An M 958 (a) lifts 4,894 lb (2,220 kg) at the lower-link ends.

Hydraulics & PTO — M 958 (a) hydraulics and PTO specifications
Pump flow8.1 gpm · 30.8 L/min
Pressure3,481 psi · 240 bar
Lift at ends4,894 lb · 2,220 kg
Rear PTO540/1000 rpm @ 2,045 engine rpm

Source · Traktorenlexikon, “Steyr M 958”

What transmission does an M 958 (a) have?

Transmission specifications for the M 958 (a) are below.

Transmission — M 958 (a) transmission specifications
Clutchdry Carraro double clutch
Brakespedal-operated dry Sirmac multi-disc brake acting on differential side shafts
Steeringhydrostatic ZF steering with separate oil circuit
Top speed18.6–24.9 mph · 30–40 km/hthe article lists alternatives

Source · Traktorenlexikon, “Steyr M 958”

How much does an M 958 (a) weigh?

An M 958 (a) weighs 5,203 lb (2,360 kg) unladen.

Weights & dimensions — M 958 (a) weights and dimensions
Unladen weight5,203 lb · 2,360 kgtwo-wheel-drive version
Maximum permissible mass9,259 lb · 4,200 kg
Wheelbase83.3 in · 2,117 mm
Length139.0 in · 3,530 mmtwo-wheel-drive version
Width74.4 in · 1,890 mm
Height87.8 in · 2,230 mm
Ground clearance16.1 in · 410 mmtwo-wheel-drive version
Front track52.0 in · 1,322 mmtwo-wheel-drive version
Rear track53.5–58.7 in · 1,360–1,492 mmthe article lists alternatives

Source · Traktorenlexikon, “Steyr M 958”

What oil does an M 958 (a) take, and how much?

An M 958 (a) engine takes 7.9 qt (7.5 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

M 958 (a) fluid capacities, grades and service intervals
SystemCapacity
Engine oil7.9 qt · 7.5 LSource: Traktorenlexikon, “Steyr M 958” · single source, not independently verified
Transmission23.2 qt · 22.0 LSource: Traktorenlexikon, “Steyr M 958” · single source, not independently verified
Hydraulic15.9 qt · 15.0 LSource: Traktorenlexikon, “Steyr M 958” · single source, not independently verified
Front axle5.3 qt · 5.0 LSource: Traktorenlexikon, “Steyr M 958” · single source, not independently verified
Cooling system12.7 qt · 12.0 LSource: Traktorenlexikon, “Steyr M 958” · single source, not independently verified

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

Which tractors compare with an M 958 (a)?

Within 10% of its 57.3 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the Case-Steyr M 958 (a)

Is an M 958 (a) two-wheel drive or four-wheel drive?

The Case-Steyr M 958 (a) was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does an M 958 (a) have?

An M 958 (a) has a 540/1000 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Case-IH CS52/a”; and Traktorenlexikon, “Steyr M 958”.

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: Case-IH CS52/a — CC BY-SA 4.0, WIKIBOOKS-TL-79708 · revision 1031478. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Steyr M 958 — CC BY-SA 4.0, WIKIBOOKS-TL-85938 · revision 1056117. Wikibooks contributors (Traktorenlexikon). Original document