Fiat 805C
The Fiat 805C is a tractor produced by Fiat. It is equipped with a 278.4 ci 4.6 L engine. The listed engine power is Diesel (listed): 79.1 hp / 59.0 kW. Transmission: 6 forward and 2 reverse. Drive type: crawler. Operating weight: 11355 lbs 5150 kg.
Engine Power
Diesel (listed): 79.1 hp / 59.0 kW
Drive & Traction
crawler
Fuel & Capacities
21.1 gal
79.9 L
Transmission
6 forward and 2 reverse
Operating Weight
11355 lbs
5150 kg
Overview
 | 1975 - 1980
Agricultural Crawler tractor |
|---|
Production | |
|---|---|
Manufacturer | Fiat |
Agricultural Crawler tractor | |
Fiat 805C Engine | |
|---|---|
Fiat 4.6L 4-cyl diesel | |
Fuel tank | 21.1 gal
79.9 L |
Engine details ...  | |
Fiat 805C Transmission | |
|---|---|
6-speed crawler | |
Transmission details ...  |
Fiat 805C Power | |
|---|---|
Engine | 79.1 hp
59.0 kW |
Mechanical | |
|---|---|
Drive | crawler |
Band brakes | |
Open operator station. | |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2133 psi (hitch)
147.1 bar |
1635 psi (remotes)
112.7 bar | |
Pump flow | 7.3 gpm (hitch)
27.6 lpm |
18.5 gpm (remotes)
70.0 lpm | |
Tractor hitch | |
|---|---|
Rear Type | III/II |
Dimensions & Tracks | |
|---|---|
Wheelbase | 72 inches
182 cm |
Weight | 11355 lbs
5150 kg |
15.75-inch tracks | |
Full dimensions and tracks ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Battery volts | 12 |
Battery AH | 143 |
References | |
|---|---|
 | |
Operator's Manual 805C (603.04.676) published in 1977 |
Engine
Engine Detail — 278.4 ci / 4.6 L Diesel
Manufacturer | Fiat CO 3/75 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 278.4 ci
4.6 L |
Bore/Stroke | 4.33x4.72 inches
110 x 120 mm |
Power | 79.1 hp
59.0 kW |
Fuel system | direct injection |
Compression | 17:1 |
Rated RPM | 2100 |
Firing order | 1-3-4-2 |
Starter type | electric |
Coolant capacity | 17.4 qts
16.5 L |
Transmission
Transmission — 6 forward and 2 reverse crawler
Type | crawler |
Gears | 6 forward and 2 reverse |
Clutch | wet disc |
 | |
Dimensions
Fiat 805C Tracks | |
|---|---|
Width | 15.75 inches
40 cm |
Dimensions | |
|---|---|
Wheelbase | 72 inches
182 cm |
Length | 146.5 inches
372 cm |
Width | 68.8 inches
174 cm |
Height | 63 inches
160 cm |
Height (exhaust) | 89.4 inches
227 cm |
Operating weight | 11355 lbs
5150 kg |
Ground clearance | 13.8 inches
35 cm |
Gauge | 53.2 to inches
135 to 0 cm |
Photos
Fiat 805C tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Fiat 805C based on its 79.1 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 | 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 805C.
Estimated Continuous Field Runtime: 5.1 hrs
Approximately 5.1 hours of continuous field operation at ~75% rated power on a full tank (21.1 gal / 79.9 L).
Estimated 75% Load Fuel Burn~4.1 gal/hr (15.6 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 805C Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Fiat 805C.
Converted Equivalents:
Horsepower (HP)79.1 hp
Kilowatts (kW)59 kW
Metric Horsepower (PS / CV)80.2 PS
Direct Competitor Comparison
Compare Fiat 805C against same-era industry alternatives in the same horsepower class.
Current Model
Fiat
Fiat 805C
Engine Power:Diesel (listed): 79.1 hp / 59.0 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 685
Engine Power:71.8
Production Years:1981 - 1985
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