Introduction
Fiat 421R Orchard and Vineyard Tractor
Produced between 1958 and 1964, the Fiat 421R is a specialized two-wheel drive tractor designed primarily for orchard and vineyard maintenance. It features a compact design suitable for operations in confined spaces.
Engine and Performance
The tractor is powered by a 4-cylinder, liquid-cooled diesel engine with a displacement of 138.5 cubic inches (2.3 liters). It produces 40 horsepower (29.8 kW) at a rated speed of 2300 RPM. The engine utilizes a 21.5:1 compression ratio and a 1-3-4-2 firing order, supported by a 24-volt starter system for reliable ignition.
Transmission and Drivetrain
Power is managed through a gear-type transmission providing 6 forward and 2 reverse speeds. The drivetrain includes a mechanical dry disc clutch and a mechanical differential lock on the rear axle to improve traction in varying soil conditions.
Hydraulics and Power Take-Off
The 421R is equipped with a live rear PTO, standardizing operation at 540 RPM when the engine runs at 2160 RPM. This setup allows for the efficient operation of various implements required in specialized orchard and vineyard tasks.
Dimensions and Chassis
With a wheelbase of 71.3 inches (181 cm) and a base weight of 3087 lbs (1400 kg), the tractor maintains a stable footprint. It offers a ground clearance of 15.8 inches (40 cm), with adjustable front tread widths ranging from 49.6 to 77.2 inches and rear tread widths from 47.2 to 74.8 inches to accommodate different row spacings.
Conclusion
The Fiat 421R is a robust and functional tractor designed for specialized agricultural environments. Its combination of a 40 hp engine, compact dimensions, and adjustable track widths makes it a reliable tool for orchard and vineyard operators of the mid-20th century.
Production Information of Fiat, 421R
- Orchard/Vineyard tractor
| Manufacturer | Fiat |
|---|
Dimension and Tires Information of Fiat, 421R
| Front tread | 49.6 to 77.2 inches [125 to 196 cm] |
|---|---|
| Wheelbase | 71.3 inches [181 cm] |
| Weight | 3087 lbs [1400 kg] |
| Height | 53.2 inches [135 cm] |
| Length | 114.2 inches [290 cm] |
| Rear tread | 47.2 to 74.8 inches [119 to 189 cm] |
| Ground clearance | 15.8 inches [40 cm] |
| Width | 59.1 inches [150 cm] |
Minimum
| Ag front | 5.50-16 |
|---|---|
| Ag rear | 11-28 |
Engine Specifications of Fiat, 421R
- FIAT
- Liquid-cooled
- Diesel
- 4-cylinder
| Starter volts | 24 |
|---|---|
| Displacement | 138.5 ci [2.3 L] |
| Compression | 21.5:1 |
| Bore/Stroke | 3.35x3.94 inches [85 x 100 mm] |
| Firing order | 1-3-4-2 |
| Rated RPM | 2300 |
| Power | 40 hp [29.8 kW] |
Transmission Information of Fiat, 421R
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 6 forward and 2 reverse |
Mechanical Specs of Fiat, 421R
- Two-wheel drive
- Open operator station.
- Manual steering
| Differential lock | Mechanical rear |
|---|
Power Information of Fiat, 421R
| Rear PTO | Live |
|---|---|
| Engine RPM | 540@2160 |
| Clutch | Mechanical dry disc |
| Rear PTO Type | 540 |
Electrical System of Fiat, 421R
| Ground | Negative |
|---|---|
| Batteries | 2 |
| Battery volts | 12 |
Where it sits
With 40 HP, the Fiat 421R sits between 411RB (39 HP) and 415 (44 HP) in Fiat's range. Its power puts it in the 55th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the Fiat 421R have?
The Fiat 421R delivers 40 HP.
What years was the Fiat 421R produced?
The Fiat 421R was produced in 1958-1964.
What engine does the Fiat 421R have?
The Fiat 421R is powered by a Diesel, 4-cylinder engine.
What transmission does the Fiat 421R use?
The Fiat 421R uses a Gear transmission.
How much does the Fiat 421R weigh?
The Fiat 421R weighs 3087 lbs [1400 kg].
Is the Fiat 421R 4WD?
The Fiat 421R is available in 2WD.