Fiat 481R
The Fiat 481R is a tractor produced by Fiat. It is equipped with a 138.5 ci 2.3 L engine. The listed engine power is Diesel (listed): 40 hp / 29.8 kW. Transmission: 6 forward and 2 reverse. Operating weight: 3616 lbs 1640 kg.
Engine Power
Diesel (listed): 40 hp / 29.8 kW
Fuel & Capacities
Diesel
Transmission
6 forward and 2 reverse
Operating Weight
3616 lbs
1640 kg
Overview
 | 1961 - 1964
High-Clearance tractor |
|---|
Production | |
|---|---|
Manufacturer | Fiat |
High-Clearance tractor | |
Variants | |
|---|---|
411R | utility |
411RB | gasoline engine |
411T | tricycle |
411C | crawler |
421R | orchard |
431R | vineyard |
441R | four-wheel drive |
451C | mountain crawler |
481R | high-crop |
Fiat 481R Engine | |
|---|---|
Fiat 2.3L 4-cyl diesel | |
Engine details ...  |
Fiat 481R Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
Fiat 481R Power | |
|---|---|
Engine | 40 hp
29.8 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Wheelbase | 85.4 inches
216 cm |
Weight | 3616 lbs
1640 kg |
Front tire | 5.50-16 |
Rear tire | 10-36 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Batteries | 2 |
Battery volts | 12 |
Engine
Engine Detail — 138.5 ci / 2.3 L Diesel
Manufacturer | Fiat |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 138.5 ci
2.3 L |
Bore/Stroke | 3.35x3.94 inches
85 x 100 mm |
Power | 40 hp
29.8 kW |
Rated RPM | 2300 |
Starter | electric |
Starter volts | 24 |
Transmission
Transmission — 6 forward and 2 reverse gear
Type | gear |
Gears | 6 forward and 2 reverse |
 | |
Dimensions
Fiat 481R Tires | |
|---|---|
Ag front | 5.50-16 |
6.00-16 | |
Ag rear | 10-36 |
11-36 | |
Dimensions | |
|---|---|
Wheelbase | 85.4 inches
216 cm |
Length | 126.7 inches
321 cm |
Width | 67.5 inches*Minimum width.
171 cm |
Height (steering wheel) | 66.9 inches
169 cm |
Height (hood) | 63 inches
160 cm |
Weight | 3616 lbs
1640 kg |
Ballasted weight | 4916 lbs
2229 kg |
Ground clearance | 24.2 inches
61 cm |
Front tread | 51.2 to 70.9 inches
130 to 180 cm |
Rear tread | 47.2 to 74.8 inches
119 to 189 cm |
Photos
Fiat 481R tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Fiat 481R based on its 40 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
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 | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
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 481R.
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 481R Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Fiat 481R.
Converted Equivalents:
Horsepower (HP)40 hp
Kilowatts (kW)29.8 kW
Metric Horsepower (PS / CV)40.6 PS
Direct Competitor Comparison
Compare Fiat 481R against same-era industry alternatives in the same horsepower class.
Current Model
Fiat
Fiat 481R
Engine Power:Diesel (listed): 40 hp / 29.8 kW
★ Baseline Reference
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