Fiat 65-66
The Fiat 65-66 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): 64.1 hp / 47.8 kW. Transmission: 12 forward and 4 reverse. Operating weight: 6,692 lbs 3035 kg.
Engine Power
Diesel (listed): 64.1 hp / 47.8 kW
Fuel & Capacities
19.3 gal
73.1 L
Transmission
12 forward and 4 reverse
Operating Weight
6,692 lbs
3035 kg
Overview
 | 1985 - 1991
66 SeriesUtility tractor
66 Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Fiat |
Utility tractor | |
Fiat 65-66 Engine | |
|---|---|
Iveco 3.6L 4-cyl diesel | |
Fuel tank | 19.3 gal
73.1 L |
Engine details ...  | |
Fiat 65-66 Transmission | |
|---|---|
12-speed | |
Transmission details ...  |
Fiat 65-66 Power | |
|---|---|
Engine | 64.1 hp
47.8 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Power steering |
Hydraulics | |
|---|---|
Pump flow | 9.11 gpm
34.5 lpm |
Tractor hitch | |
|---|---|
Rear lift | 6,395 lbs
2900 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 90.55 inches
229 cm |
Weight | 6,692 lbs
3035 kg |
Front tire | 7.50-16 |
Rear tire | 14.9R30 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 220.5 ci / 3.6 L Diesel
Manufacturer | Iveco 8045.06 |
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 | 64.1 hp
47.8 kW |
Rated RPM | 2500 |
Torque | 158.58 lb-ft
215.0 Nm |
Torque RPM | 1400 |
Transmission
Transmission — 12 forward and 4 reverse
Gears | 12 forward and 4 reverse |
Dimensions
Fiat 65-66 Tires | |
|---|---|
Ag front | 7.50-16 (2WD) |
11.2R24 (4WD) | |
Ag rear | 14.9R30 (2WD) |
16.9R30 (4WD) | |
Dimensions | |
|---|---|
Wheelbase | 90.55 inches
229 cm |
Length | 158 inches
401 cm |
Height | 99 inches
251 cm |
Weight | 6,692 lbs
3035 kg |
Photos
Fiat 65-66 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Fiat 65-66 based on its 64.1 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 65-66.
Estimated Continuous Field Runtime: 5.8 hrs
Approximately 5.8 hours of continuous field operation at ~75% rated power on a full tank (19.3 gal / 73.1 L).
Estimated 75% Load Fuel Burn~3.3 gal/hr (12.6 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 65-66 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Fiat 65-66.
Converted Equivalents:
Horsepower (HP)64.1 hp
Kilowatts (kW)47.8 kW
Metric Horsepower (PS / CV)65 PS
Direct Competitor Comparison
Compare Fiat 65-66 against same-era industry alternatives in the same horsepower class.
Current Model
Fiat
Fiat 65-66
Engine Power:Diesel (listed): 64.1 hp / 47.8 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 544
Engine Power:57.8
Production Years:1968 - 1973
Related models
Fiat 465C
- Power:
- 54
- Production years:
- 1982 - 1984
Fiat 540
- Power:
- 54
- Production years:
- 1973 - 1978
Fiat 55-46
- Power:
- 54.2
- Production years:
- 1984 - 1989
Fiat 55-75
- Power:
- 54.2
- Production years:
- 1989 - 1992
Fiat 55-76
- Power:
- 54.2
- Production years:
- 1990 - 1992