Fiat 85-90
The Fiat 85-90 is a tractor produced by Fiat. It is equipped with a 238.5 ci 3.9 L engine. The listed engine power is Diesel (listed): 85 hp / 63.4 kW. Transmission: Hi-Lo. Operating weight: 6945 to 7672 pounds.
Engine Power
Diesel (listed): 85 hp / 63.4 kW
Fuel & Capacities
24.6 gal
93.1 L
Transmission
Hi-Lo
Operating Weight
6945 to 7672 pounds
Overview
 | 1989 - 1992
90 SeriesUtility tractor
90 Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Fiat |
Utility tractor | |
Variants | |
|---|---|
85-90 | 2WD |
85-90DT | 4WD |
Fiat 85-90 Engine | |
|---|---|
Fiat 3.9L 4-cyl diesel | |
Fuel tank | 24.6 gal
93.1 L |
Engine details ...  | |
Fiat 85-90 Power | |
|---|---|
Engine | 85 hp
63.4 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Final drives | planetary |
Differential lock | hydraulic rear |
Power steering | |
Hydraulic wet disc brakes | |
Cab standard with heater. | |
Hydraulics | |
|---|---|
Pressure | 2755 psi
190.0 bar |
Pump flow | 9.1 gpm
34.4 lpm |
Tractor hitch | |
|---|---|
Rear Type | II/I |
Rear lift | 7716 lbs
3499 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | 280mm dry disc |
Rear PTO Type | 540 |
540/1000 | |
Engine RPM | 540@2200 |
1000@2375 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 90.94 inches
230 cm |
Weight | 6945 to 7672 pounds |
Front tire | 9.00-16 |
2WD Rear tire | 480/70R34 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 238.5 ci / 3.9 L Diesel
Manufacturer | Fiat 8045.25 |
Configuration | turbocharged diesel, 4-cylinder, liquid-cooled |
Displacement | 238.5 ci
3.9 L |
Bore/Stroke | 4.09x4.53 inches
104 x 115 mm |
Power | 85 hp
63.4 kW |
Fuel system | direct injection |
Rated RPM | 2500 |
Starter type | electric |
Transmission
Transmission options | |
|---|---|
12-speed | |
12-speed shuttle | |
20-speed creeper | |
24-speed |
Transmission — 12 forward and 4 reverse
Gears | 12 forward and 4 reverse |
Transmission — 12 forward and reverse shuttle
Type | shuttle |
Gears | 12 forward and reverse |
Transmission | |
Type | creeper |
Gears | 20 forward and 12 reverse |
Transmission — Hi-Lo
Transmission | Hi-Lo |
Gears | 24 forward and 12 reverse |
Four gears (1-4) in three ranges (low, medium, high) with a two-speed high-low shift. | |
Dimensions
Fiat 85-90 Tires | |
|---|---|
2WD Standard tires (ag) | Front: 9.00-16. Rear: 480/70R34 |
4WD Standard tires (ag) | Front: 380/70R24. Rear: 480/70R34 |
2WD Optional tires (ag) | Front: 7.50-18. Rear: 18.4-30 |
4WD Optional tires (ag) | Front: 12.4-24. Rear: 18.4-30 |
Dimensions | |
|---|---|
Wheelbase | 90.94 inches
230 cm |
Length | 144.09 inches
365 cm |
Height | 103.94 inches
264 cm |
2WD Weight | 6945 lbs
3150 kg |
4WD Weight | 7672 lbs
3480 kg |
Photos
Fiat 85-90 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Fiat 85-90 based on its 85 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
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 85-90.
Estimated Continuous Field Runtime: 5.6 hrs
Approximately 5.6 hours of continuous field operation at ~75% rated power on a full tank (24.6 gal / 93.1 L).
Estimated 75% Load Fuel Burn~4.4 gal/hr (16.7 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 85-90 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Fiat 85-90.
Converted Equivalents:
Horsepower (HP)85 hp
Kilowatts (kW)63.4 kW
Metric Horsepower (PS / CV)86.2 PS
Direct Competitor Comparison
Compare Fiat 85-90 against same-era industry alternatives in the same horsepower class.
Current Model
Fiat
Fiat 85-90
Engine Power:Diesel (listed): 85 hp / 63.4 kW
★ Baseline Reference
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