Steyr 90
The Steyr 90 is a tractor produced by Steyr. It is equipped with a 364.7 ci 6.0 L engine. The listed engine power is Diesel (listed): 90 hp / 67.1 kW. Transmission: synchro. Drive type: 4x2 2WD. Operating weight: 8,732 lbs 3960 kg.
Engine Power
Diesel (listed): 90 hp / 67.1 kW
Drive & Traction
4x2 2WD
Fuel & Capacities
31.2 gal
118.1 L
Transmission
synchro
Operating Weight
8,732 lbs
3960 kg
Overview
 | 1968 - 1974 |
|---|
Production | |
|---|---|
Manufacturer | Steyr |
Steyr 90 Engine | |
|---|---|
6.0L 6-cyl diesel | |
Fuel tank | 31.2 gal
118.1 L |
Engine details ...  | |
Steyr 90 Transmission | |
|---|---|
12-speed | |
Transmission details ...  |
Steyr 90 Power | |
|---|---|
Engine | 90 hp
67.1 kW |
Mechanical | |
|---|---|
Drive | 4x2 2WD |
4x4 MFWD 4WD optional | |
Steering | hydrostatic power |
Hydraulics | |
|---|---|
Total flow | 8.5 gpm
32.2 lpm |
Tractor hitch | |
|---|---|
Rear lift | 6394.5 lbs
2900 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 102.0 inches
259 cm |
Weight | 8,732 lbs
3960 kg |
Front tire | 10.50-18 |
Rear tire | 18.4-34 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 364.7 ci / 6.0 L Diesel
Manufacturer | WD 610t |
Fuel Type | Diesel |
Configuration | 6-cylinder |
Displacement | 364.7 ci
6.0 L |
Bore/Stroke | 4.13x4.53 inches
105 x 115 mm |
Power | 90 hp
67.1 kW |
Rated RPM | 2200 |
Torque | 260 lb-ft
352.6 Nm |
Torque RPM | 1200 |
Transmission
Transmission — synchro
Transmission | synchro |
Gears | 12 forward and 6 reverse |
Dimensions
Steyr 90 Tires | |
|---|---|
Ag front | 10.50-18 |
Ag rear | 18.4-34 |
Ag front | 11.2-24 |
Ag rear | 18.4-34 |
Dimensions | |
|---|---|
Wheelbase | 102.0 inches
259 cm |
Length | 165.0 inches
419 cm |
Height | 95.7 inches
243 cm |
Weight | 8,732 lbs
3960 kg |
Recommended Implements & Sizing Guide
Engineering recommendations for Steyr 90 based on its 90 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 | 7 to 8 ft (84-96 in)2.1 - 2.4 m | Heavy Duty | Heavy-duty twin spindle cutter for overgrown acreage. |
Rotary TillerSeedbed Prep | 78 to 84 in200 - 215 cm | Heavy Duty | Heavy commercial tiller with multi-speed gearbox. |
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 | 4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机 | Heavy Duty | Silage and dry hay; 540 RPM PTO with slip-clutch. |
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 Steyr 90.
Estimated Continuous Field Runtime: 6.7 hrs
Approximately 6.7 hours of continuous field operation at ~75% rated power on a full tank (31.2 gal / 118.1 L).
Estimated 75% Load Fuel Burn~4.7 gal/hr (17.7 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
Steyr 90 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Steyr 90.
Converted Equivalents:
Horsepower (HP)90 hp
Kilowatts (kW)67.1 kW
Metric Horsepower (PS / CV)91.2 PS
Direct Competitor Comparison
Compare Steyr 90 against same-era industry alternatives in the same horsepower class.
Current Model
Steyr
Steyr 90
Engine Power:Diesel (listed): 90 hp / 67.1 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 884
Engine Power:81
Production Years:1979 - 1984
Related models
Steyr 370
- Power:
- 72
- Production years:
- 2003 - 2008
Steyr 8085
- Power:
- 72
- Production years:
- 1988 - 1993
Steyr M 975
- Power:
- 75
- Production years:
- 1994 - 2004
Steyr 375
- Power:
- 76
- Production years:
- 2003 - 2008
Steyr 9078
- Power:
- 78
- Production years:
- 1993 - 1995