Fiat 90-90
The Fiat 90-90 is a tractor produced by Fiat. It is equipped with a 298.1 ci 4.9 L engine. The listed engine power is Diesel (listed): 90 hp / 67.1 kW. Transmission: 20 forward and 4 reverse. Operating weight: 8,533 lbs 3870 kg.
Engine Power
Diesel (listed): 90 hp / 67.1 kW
Fuel & Capacities
24.6 gal
93.1 L
Transmission
20 forward and 4 reverse
Operating Weight
8,533 lbs
3870 kg
Overview
 | 1984 - 1991
90 Series |
|---|
Production | |
|---|---|
Manufacturer | Fiat |
Variants | |
|---|---|
90-90 | 2WD |
90-90DT | 4WD |
Fiat 90-90 Engine | |
|---|---|
Fiat 4.9L 5-cyl diesel | |
Engine details ...  |
Fiat 90-90 Power | |
|---|---|
Engine | 90 hp
67.1 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Final drives | planetary |
Differential lock | rear standard |
Hydraulic wet disc brakes | |
Trailer brakes | hydraulic optional |
Supercomfort cab with air-conditioning optional. | |
Capacity | |
|---|---|
Fuel | 24.6 gal
93.1 L |
35.1 gal
132.9 L | |
Hydraulic system | 11.7 gal
44.3 L |
Hydraulics | |
|---|---|
Type | open center |
Capacity | 11.7 gal
44.3 L |
Pressure | 2700 psi
186.2 bar |
Valves | 1 to 3 |
Pump flow | 11.6 gpm
43.9 lpm |
12.7 gpm
48.1 lpm | |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | 304.8mm dry disc |
Rear PTO Type | 540/ground |
540/1000/ground | |
Engine RPM | 540@2124 |
1000@2409 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 97.2 inches
246 cm |
Weight | 8533 to 9812 pounds |
Front tire | 7.50-18 |
Rear tire | 13.6/12-28 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 298.1 ci / 4.9 L Diesel
Manufacturer | Fiat 8055.05 |
Fuel Type | Diesel |
Configuration | 5-cylinder, liquid-cooled |
Displacement | 298.1 ci
4.9 L |
Bore/Stroke | 4.0945x4.53 inches
104 x 115 mm |
Power | 90 hp
67.1 kW |
Rated RPM | 2500 |
Oil capacity | 14.5 qts
13.7 L |
Transmission
Transmission options | |
|---|---|
15-speed synchronized | |
20-speed creeper |
Transmission — 15 forward and 3 reverse synchronized
Type | synchronized |
Gears | 15 forward and 3 reverse |
Clutch | dry disc |
Five gears, plus reverse, in three ranges. A 40 KPH gearbox was available with four-wheel drive. | |
 | |
Transmission — 20 forward and 4 reverse creeper
Type | creeper |
Gears | 20 forward and 4 reverse |
Clutch | dry disc |
Dimensions
Fiat 90-90 Tires | |
|---|---|
Ag front | 7.50-18 (2WD) |
7.50-20 (2WD) | |
11.2/10-28 (4WD) | |
13.6/12-24 (4WD) | |
Ag rear | 13.6/12-28 |
16.9/14-34 | |
Dimensions | |
|---|---|
Wheelbase | 97.2 inches
246 cm |
Length | 151.6 inches
385 cm |
Height | 102.4 inches
260 cm |
Weight | 8,533 lbs
3870 kg |
9,812 lbs (4WD)
4450 kg | |
Photos
Fiat 90-90
Recommended Implements & Sizing Guide
Engineering recommendations for Fiat 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 Fiat 90-90.
Estimated Continuous Field Runtime: 5.3 hrs
Approximately 5.3 hours of continuous field operation at ~75% rated power on a full tank (24.6 gal / 93.1 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
Fiat 90-90 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Fiat 90-90.
Converted Equivalents:
Horsepower (HP)90 hp
Kilowatts (kW)67.1 kW
Metric Horsepower (PS / CV)91.2 PS
Direct Competitor Comparison
Compare Fiat 90-90 against same-era industry alternatives in the same horsepower class.
Current Model
Fiat
Fiat 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
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