Fiat 665C
The Fiat 665C is a tractor produced by Fiat. It is equipped with a 210.9 ci 3.5 L engine. The listed engine power is Diesel (listed): 66 hp / 49.2 kW. Transmission: 16 forward and 8 reverse. Drive type: crawler. Operating weight: 7529 to 7859 pounds.
Engine Power
Diesel (listed): 66 hp / 49.2 kW
Drive & Traction
crawler
Fuel & Capacities
20 gal
75.7 L
Transmission
16 forward and 8 reverse
Operating Weight
7529 lbs
3415 kg
Overview
 | 1982 - 1984
65 SeriesAgricultural Crawler tractor
65 Series
Agricultural Crawler tractor |
|---|
Production | |
|---|---|
Manufacturer | Fiat |
Agricultural Crawler tractor | |
Variants | |
|---|---|
655C M | wide-gauge |
Fiat 665C Engine | |
|---|---|
Fiat 3.5L 4-cyl diesel | |
Fuel tank | 20 gal
75.7 L |
Engine details ...  | |
Fiat 665C Power | |
|---|---|
Engine | 66 hp
49.2 kW |
Mechanical | |
|---|---|
Drive | crawler |
Final drives | spur gear |
Band brakes | |
Two-post ROPS with canopy. | |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2460 psi
169.6 bar |
Rear valves | 1 to 3 |
Pump flow | 9 gpm
34.1 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Control | position and draft control |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@2197 |
Dimensions & Tracks | |
|---|---|
Weight | 7529 to 7859 pounds |
12.2-inch tracks | |
Full dimensions and tracks ...  | |
Electrical | |
|---|---|
Charging system | alternator |
Charging amps | 33 |
Battery volts | 12 |
References | |
|---|---|
 | |
Compect Crawler Tractors 66 & 88 HP published in 1982, by Hesston |
Engine
Engine Detail — 210.9 ci / 3.5 L Diesel
Manufacturer | Fiat 8045.2 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 210.9 ci
3.5 L |
Bore/Stroke | 3.94x4.33 inches
100 x 110 mm |
Power | 66 hp
49.2 kW |
Fuel system | direct injection |
Air cleaner | dry |
Pre-heating | thermostart |
Rated RPM | 2500 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
8-speed gear | |
8-speed | |
16-speed |
Transmission — 8 forward and 4 reverse gear
Type | gear |
Gears | 8 forward and 4 reverse |
Clutch | 279.4mm dry disc |
 | |
Transmission — 8 forward and reverse
Gears | 8 forward and reverse |
Transmission — 16 forward and 8 reverse
Gears | 16 forward and 8 reverse |
Dimensions
Fiat 665C Tracks | |
|---|---|
Width | 12.2 inches
30 cm |
Length on ground | 61 inches
154 cm |
Area on ground | 1488 in²
1.0 m² |
Ground pressure | 4.9 psi
0.3 bar |
Width | 14.1 inches
35 cm |
Length on ground | 61 inches
154 cm |
Area on ground | 1720 in²
1.1 m² |
Ground pressure | 4.4 psi
0.3 bar |
Dimensions | |
|---|---|
Length | 126 inches
320 cm |
140 inches (665C M)
355 cm | |
Width | 55.5 inches
140 cm |
65.3 inches (665C M)
165 cm | |
Height (hood) | 47.2 inches
119 cm |
Height (exhaust) | 86.6 inches
219 cm |
Operating weight | 7529 lbs
3415 kg |
7859 lbs (665C M)
3564 kg | |
Ground clearance | 10.6 inches
26 cm |
Gauge | 51.2 inches
130 cm |
Photos
Fiat 665C tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Fiat 665C based on its 66 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 | 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 665C.
Estimated Continuous Field Runtime: 5.8 hrs
Approximately 5.8 hours of continuous field operation at ~75% rated power on a full tank (20 gal / 75.7 L).
Estimated 75% Load Fuel Burn~3.4 gal/hr (13 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 665C Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Fiat 665C.
Converted Equivalents:
Horsepower (HP)66 hp
Kilowatts (kW)49.2 kW
Metric Horsepower (PS / CV)66.9 PS
Direct Competitor Comparison
Compare Fiat 665C against same-era industry alternatives in the same horsepower class.
Current Model
Fiat
Fiat 665C
Engine Power:Diesel (listed): 66 hp / 49.2 kW
★ Baseline Reference
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