Fiat 421R Tractor

Manufacturer Fiat
Price -
Model 421R
Equipment Type Orchard Vineyard Tractors
Factory

VARIANTS

411T high-crop

FIAT 421R POWER

Engine 40hp / 29.8kW

ENGINE DETAIL

The Fiat 421R tractor features a robust 2.3L 4-cylinder diesel engine with a 40hp output at 2300 RPM, offering efficient power delivery for medium-duty agricultural tasks. Its high compression ratio of 21.5:1 enhances fuel efficiency but may require careful attention to fuel quality to prevent knocking. The 24-volt starter system ensures reliable ignition, particularly beneficial in colder climates where starting can be challenging.

Description FIAT diesel 4-cylinder liquid-cooled
Displacement 138.5ci / 2.3L
Bore/Stroke 3.35x3.94inches / 85x 100 mm
Power 40hp / 29.8kW
Compression 21.5:1
Rated RPM 2300
Firing order 1-3-4-2
Starter volts 24

FIAT 421R ENGINE

The Fiat 421R tractor features a robust 2.3L 4-cylinder diesel engine, known for its efficiency and durability. With its compact design, it is well-suited for light to medium-duty agricultural tasks while offering better fuel economy than larger models. However, its lower horsepower output may limit performance in heavy-duty applications, making it ideal for smaller farms or specialized tasks rather than extensive fieldwork.

Description FIAT 2.3L 4-cyl diesel

TRANSMISSION

The Fiat 421R tractor features a straightforward 6-speed forward and 2-speed reverse gear system, optimizing operational flexibility for various field applications. Its simple gear structure is advantageous for ease of maintenance and user accessibility, ideal for small to medium-sized farming tasks. However, the limited number of gears may hinder performance in demanding terrains compared to models with more advanced transmission systems.

Type gear
Gears 6 forward and 2 reverse

MECHANICAL

The Fiat 421R features a 4x2 2WD chassis, providing adequate traction for flat terrains but limiting performance in off-road conditions. Its mechanical rear differential lock enhances traction on slippery surfaces, although the manual steering may require more effort when maneuvering. The 6-speed transmission allows for a range of speeds, making it suitable for both low-power applications like tilling and higher-speed operations, though the open operator station may expose the driver to weather elements.

Chassis 4x2 2WD
Differential lock mechanical rear
Steering manual
Cab Open operator station
Transmission 6-speed gear

POWER TAKE-OFF (PTO)

Rear PTO live
Clutch mechanical dry disc
Rear RPM 540
Engine RPM 540@2160

FIAT 421R TIRES

The Fiat 421R features front tires sized 5.50-16 and rear tires 11-28, providing a balanced power-to-weight ratio ideal for light to moderate agricultural tasks. Its tire configuration enhances traction and stability in various soil conditions, though may limit its performance in more rugged terrains. Optimal for small to medium-sized farms, this tractor excels in crop cultivation and material handling but may struggle with heavier implements due to limited horsepower.

Ag front 5.50-16
Ag rear 11-28

DIMENSIONS

Wheelbase 71.3inches / 181cm
Length 114.2inches / 290cm
Width 59.1inches / 150cm *Minimum
Height 53.2inches / 135cm
Weight 3087lbs / 1400kg
Ground clearance 15.8inches / 40cm
Front tread 49.6 to 77.2inches / 125to 196 cm
Rear tread 47.2 to 74.8inches / 119to 189 cm

DIMENSIONS & TIRES

The Fiat 421R tractor features a compact wheelbase of 71.3 inches, enhancing maneuverability in tight spaces, which is advantageous for small-scale farming and gardening applications. Weighing 3087 lbs (1400 kg) provides stability but may limit transport options on lighter trailers. With front tire sizes of 5.50-16 and rear tires of 11-28, the tractor is optimized for traction and load distribution, though it may experience challenges on uneven terrain due to its narrower front tires.

Wheelbase 71.3inches / 181cm
Weight 3087lbs / 1400kg
Front tire 5.50-16
Rear tire 11-28

ELECTRICAL

Ground negative
Batteries 2
Battery volts 12


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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