Hesston 90-90
The Hesston 90-90 is a tractor produced by Hesston. It is equipped with a 298 ci 4.9 L engine. The listed engine power is Diesel (listed): 90 hp / 67.1 kW. Transmission: 20 forward and 8 reverse. Operating weight: 7,240 lbs 3284 kg.
Engine Power
Diesel (listed): 90 hp / 67.1 kW
Fuel & Capacities
Diesel
Transmission
20 forward and 8 reverse
Operating Weight
7,240 lbs
3284 kg
Overview
 | 1984 - 1988
90 SeriesRow-Crop tractorFiat built
90 Series
Row-Crop tractor
Fiat built |
|---|
Production | |
|---|---|
Distributor | Hesston |
Manufacturer | Fiat |
Row-Crop tractor | |
Original price was $35,400 in 1988 | |
Hesston 90-90 Engine | |
|---|---|
Fiat 4.9L 5-cyl diesel | |
Engine details ...  |
Hesston 90-90 Power | |
|---|---|
Engine | 90 hp
67.1 kW |
PTO (claimed) | 81 hp
60.4 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive |
Hydraulics | |
|---|---|
Type | open center |
Valves | 2 |
Pump flow | 11.6 gpm
43.9 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Rear lift | 6,336 lbs
2874 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 96.5 inches
245 cm |
Weight | 7,240 lbs
3284 kg |
Front tire | 10.00-16 |
Rear tire | 18.4-34 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 298 ci / 4.9 L Diesel
Manufacturer | Fiat |
Fuel Type | Diesel |
Configuration | 5-cylinder, liquid-cooled |
Displacement | 298 ci
4.9 L |
Power | 90 hp
67.1 kW |
Transmission
Transmission options | |
|---|---|
15-speed | |
20-speed |
Transmission — 15 forward and 3 reverse
Gears | 15 forward and 3 reverse |
Transmission — 20 forward and 8 reverse
Gears | 20 forward and 8 reverse |
Dimensions
Hesston 90-90 Tires | |
|---|---|
Ag front | 10.00-16 |
Ag rear | 18.4-34 |
Dimensions | |
|---|---|
Wheelbase | 96.5 inches
245 cm |
Weight | 7,240 lbs
3284 kg |
Recommended Implements & Sizing Guide
Engineering recommendations for Hesston 90-90 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 Hesston 90-90.
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
Hesston 90-90 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Hesston 90-90.
Converted Equivalents:
Horsepower (HP)90 hp
Kilowatts (kW)67.1 kW
Metric Horsepower (PS / CV)91.2 PS
Direct Competitor Comparison
Compare Hesston 90-90 against same-era industry alternatives in the same horsepower class.
Current Model
Hesston
Hesston 90-90
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
Hesston 766
- Power:
- 77.8
- Production years:
- 1983 - 1984
Hesston 780
- Power:
- 77.8
- Production years:
- 1981 - 1984
Hesston 80-66
- Power:
- 80
- Production years:
- 1985 - 1991
Hesston 80-90
- Power:
- 80
- Production years:
- 1990 - 1990
Hesston 880-5
- Power:
- 88.9
- Production years:
- 1981 - 1984