Overview
The Fiat 421R is an orchard and vineyard tractor produced between 1958 and 1964, featuring a 2.3L 4-cylinder liquid-cooled diesel engine rated at 40 hp. This model is built on a 71.3-inch wheelbase and is equipped with a six-speed gear transmission and a live rear PTO.
Ideal Applications
Engine and Electrical Configuration:
The 138.5 ci diesel engine operates at a rated 2300 RPM with a 21.5:1 compression ratio, supported by a 12-volt electrical system utilizing two batteries and a 24-volt starter.
Transmission and PTO Specifications:
This two-wheel drive tractor features a gear transmission with 6 forward and 2 reverse gears, along with a live rear PTO that achieves 540 RPM at 2160 engine RPM.
Chassis and Tread Dimensions:
The 3087-pound frame offers adjustable front treads from 49.6 to 77.2 inches and rear treads from 47.2 to 74.8 inches, providing a ground clearance of 15.8 inches.
Production
| Description | Orchard/Vineyard tractor |
|---|---|
| Manufacturer | Fiat |
Engine
| Engine type | FIAT 2.3L 4-cyl diesel |
|---|---|
| Bore/Stroke | 3.35x3.94 inches (85 x 100 mm) |
| Compression | 21.5:1 |
| Description | FIAT / diesel / 4-cylinder / liquid-cooled |
| Displacement | 138.5 ci (2.3 L) |
| Firing order | 1-3-4-2 |
| Power | 40 hp (29.8 kW) |
| Rated RPM | 2300 |
| Starter volts | 24 |
Transmission
| Gears | 6 forward and 2 reverse |
|---|---|
| Transmission type | 6-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Differential lock | mechanical rear |
| Drive type | Two-wheel drive |
PTO
| Clutch | mechanical dry disc |
|---|---|
| Engine RPM | 540@2160 |
| Rear PTO | live |
| Rear PTO Type | 540 |
Electrical
| Batteries | 2 |
|---|---|
| Battery volts | 12 |
| Ground | negative |
Dimensions & Tires
| Front tread | 49.6 to 77.2 inches (125 to 196 cm) |
|---|---|
| Ground clearance | 15.8 inches (40 cm) |
| Height | 53.2 inches (135 cm) |
| Length | 114.2 inches (290 cm) |
| Rear tread | 47.2 to 74.8 inches (119 to 189 cm) |
| Weight | 3087 lbs (1400 kg) |
| Wheelbase | 71.3 inches (181 cm) |
| Width | 59.1 inches*Minimum (150 cm) |
| Front tire | 5.50-16 |
| Rear tire | 11-28 |
| Weight | 3087 lbs (1400 kg) |
| Wheelbase | 71.3 inches (181 cm) |
| Ag front | 5.50-16 |
| Ag rear | 11-28 |
References
| Description | Use e manutenzionoe 411R 421R |
|---|
Variants
| 411C | crawler |
|---|---|
| 411R | utility |
| 411RB | gasoline engine |
| 411T | tricycle |
| 421R | orchard |
| 431R | vineyard |
| 441R | four-wheel drive |
| 451C | mountain crawler |
| 481R | high-crop |