Fiat 431R tractor

Fiat 431R

Power

40 hp

Production

1964-1965

Engine

Diesel, 4-cylinder

Transmission

Gear

Weight

3,350 lbs [1519 kg]

Drive

2WD

Introduction

Fiat 431R Orchard and Vineyard Tractor

The Fiat 431R is a two-wheel drive agricultural tractor specifically designed for orchard and vineyard applications, manufactured between 1964 and 1965. It represents a specialized segment of the Fiat tractor range from the mid-1960s, focusing on narrow-profile operations.

Engine and Performance

The tractor is powered by a 2.3-liter, 4-cylinder liquid-cooled diesel engine. It produces a rated power output of 40 hp (29.8 kW) at 2300 engine RPM. The engine features a bore and stroke of 85 x 100 mm and a compression ratio of 21.5:1, utilizing a 1-3-4-2 firing order.

Transmission and Drivetrain

Equipped with a manual gear transmission, the 431R offers 6 forward speeds and 2 reverse speeds. The drivetrain is configured for two-wheel drive operation, paired with manual steering to provide direct feedback to the operator. The machine utilizes a 12-volt electrical system with two batteries and a 24-volt starter.

Dimensions and Hydraulics

Designed for tight maneuvering, the tractor has a total width of 43.25 inches (109 cm) and a length of 113.5 inches (288 cm). It weighs 3,350 lbs (1519 kg). The rear implements are managed via a standard 540 RPM Power Take-Off (PTO). The unit is fitted with 5.00-15 front agricultural tires and 10-28 rear agricultural tires.

Conclusion

The Fiat 431R is a specialized vintage tractor engineered for narrow-row crop maintenance. Its compact dimensions and 40 hp diesel powertrain make it suitable for orchard and vineyard tasks where maneuverability and reliability are primary requirements.

Production Information of Fiat, 431R

  • Orchard/Vineyard tractor
ManufacturerFiat

Dimension and Tires Information of Fiat, 431R

Length113.5 inches [288 cm]
Weight3,350 lbs [1519 kg]
Width43.25 inches [109 cm]
Height51.125 inches [129 cm]
Ag front5.00-15
Ag rear10-28

Engine Specifications of Fiat, 431R

  • FIAT
  • Liquid-cooled
  • Diesel
  • 4-cylinder
Starter volts24
Displacement138.5 ci [2.3 L]
Compression21.5:1
Bore/Stroke3.35x3.94 inches [85 x 100 mm]
Firing order1-3-4-2
Rated RPM2300
Power40 hp [29.8 kW]

Transmission Information of Fiat, 431R

Transmission variants 1

TypeGear
Gears6 forward and 2 reverse

Mechanical Specs of Fiat, 431R

  • Two-wheel drive
  • Manual steering
  • Open operator station.

Power Information of Fiat, 431R

Rear PTO Type540

Electrical System of Fiat, 431R

GroundNegative
Batteries2
Battery volts12

Where it sits

With 40 HP, the Fiat 431R sits between 411RB (39 HP) and 415 (44 HP) in Fiat's range. Its power puts it in the 34th percentile of 1960s models in our database (709 machines).

Frequently asked questions

How much horsepower does the Fiat 431R have?

The Fiat 431R delivers 40 HP.

What years was the Fiat 431R produced?

The Fiat 431R was produced in 1964-1965.

What engine does the Fiat 431R have?

The Fiat 431R is powered by a Diesel, 4-cylinder engine.

What transmission does the Fiat 431R use?

The Fiat 431R uses a Gear transmission.

How much does the Fiat 431R weigh?

The Fiat 431R weighs 3,350 lbs [1519 kg].

Is the Fiat 431R 4WD?

The Fiat 431R is available in 2WD.

Compare the Fiat 431R with another model