Fiat 65-66S
The Fiat 65-66S is a tractor produced by Fiat. It is equipped with a 220.5 ci 3.6 L engine. The listed engine power is Diesel (listed): 64.3 hp / 47.9 kW. Transmission: 20 forward and 12 reverse. Operating weight: 5159 to 5644 pounds.
Engine Power
Diesel (listed): 64.3 hp / 47.9 kW
Fuel & Capacities
Diesel
Transmission
20 forward and 12 reverse
Operating Weight
5159 to 5644 pounds
Overview
 | 1992 - 1996
66S SeriesUtility tractor
66S Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Fiat |
Utility tractor | |
Fiat 65-66S Engine | |
|---|---|
Iveco 3.6L 4-cyl diesel | |
Engine details ...  |
Fiat 65-66S Power | |
|---|---|
Engine | 64.3 hp
47.9 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Power steering | |
Wet disc brakes | |
Four-post ROPS. Cab optional. |
Tractor hitch | |
|---|---|
Rear lift | 7859 lbs
3564 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
540/750 OptOptional | |
540/1000 OptOptional | |
Dimensions & Tires | |
|---|---|
2WD Wheelbase | 90.2 inches
229 cm |
4WD Wheelbase | 88.5 inches
224 cm |
Weight | 5159 to 5644 pounds |
Front tire | 6.00-16 |
2WD Rear tire | 14.9/13-28 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — 220.5 ci / 3.6 L Diesel
Manufacturer | Iveco 8045.05 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 220.5 ci
3.6 L |
Bore/Stroke | 3.94x4.53 inches
100 x 115 mm |
Power | 64.3 hp
47.9 kW |
Rated RPM | 2500 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
12-speed gear | |
12-speed sync shuttle | |
20-speed creeper |
Transmission — 12 forward and 4 reverse gear
Type | gear |
Gears | 12 forward and 4 reverse |
Transmission — 12 forward and reverse sync shuttle
Type | sync shuttle |
Gears | 12 forward and reverse |
 | |
Transmission | |
Type | creeper |
Gears | 20 forward and 12 reverse |
 | |
Dimensions
Fiat 65-66S Tires | |
|---|---|
2WD Standard tires (ag) | Front: 6.00-16. Rear: 14.9/13-28 |
4WD Standard tires (ag) | Front: 11.2/10-20. Rear: 14.9/13-28 |
Dimensions | |
|---|---|
2WD Wheelbase | 90.2 inches
229 cm |
4WD Wheelbase | 88.5 inches
224 cm |
2WD Length | 134.5 inches
341 cm |
4WD Length | 134.3 inches
341 cm |
2WD ROPS Weight | 5159 lbs
2340 kg |
4WD ROPS Weight | 5644 lbs
2560 kg |
2WD Ground clearance | 19.5 inches
49 cm |
4WD Ground clearance | 14.4 inches
36 cm |
2WD Front tread | 55.5 to 75.8 inches
140 to 192 cm |
4WD Front tread | 56.9 to 73.8 inches
144 to 187 cm |
Rear tread | 56.1 to 75.8 inches
142 to 192 cm |
Fiat 65-66S Height | |
|---|---|
2WD Steering wheel | 62.1 inches
157 cm |
4WD Steering wheel | 62.5 inches
158 cm |
2WD Hood | 56.2 inches
142 cm |
4WD Hood | 55.1 inches
139 cm |
ROPS | 95.1 inches
241 cm |
Cab | 91.7 inches
232 cm |
Photos
Fiat 65-66S tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Fiat 65-66S based on its 64.3 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 | 6 ft (72 in)1.8 m | Medium Duty | Medium pasture clearing; rear slip-clutch recommended. |
Rotary TillerSeedbed Prep | 66 to 72 in165 - 180 cm | Medium Duty | Standard utility tiller; slip clutch protection required. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
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 65-66S.
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 65-66S Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Fiat 65-66S.
Converted Equivalents:
Horsepower (HP)64.3 hp
Kilowatts (kW)47.9 kW
Metric Horsepower (PS / CV)65.2 PS
Direct Competitor Comparison
Compare Fiat 65-66S against same-era industry alternatives in the same horsepower class.
Current Model
Fiat
Fiat 65-66S
Engine Power:Diesel (listed): 64.3 hp / 47.9 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 624
Engine Power:58
Production Years:1965 - 1972
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