Row Crop tractorsSpec sheet
New Holland T8.420
The New Holland T8.420 is a powerful row crop tractor built for serious farming. It has a strong 6-cylinder diesel engine made by FPT. This engine can produce 367 horsepower, which is very high compared to other tractors. It's cooled by liquid and uses turbocharging to boost its power. This tractor has a 4-wheel drive system and power steering, making it easy to handle in tough conditions. It uses a special transmission called CVT, which allows for smooth speed changes without shifting gears. The T8.420 is big and heavy, weighing 30,165 pounds. It has large tires, with 420/85R34 in front and 480/80R50 in the back. The tractor is 255 inches long and has a strong hitch for pulling heavy equipment. It also has a modern hydraulic system and an electric starter for easy use.
ManufacturerNew HollandPower367 hp(273.7 kW)Class300+ HP tractors →Engine6-cylinderTransmissionContinuously variable transmission (CVT)
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Key specifications
- Category
- Row Crop
- Engine power
- 367hp
- Operating weight
- 30,165 lb
- Transmission
- Continuously variable transmission (CVT)
Category comparison
T8.420 compared with its category
vs. Row Crop medianDistribution
Engine Power (hp)
All recorded Row Crop tractors
367 hp · 97th
This model
12
Median 138 hp
283
367
This modelRow Crop tractorsMediann = 1,206
The T8.420 ranks at the 97th percentile for engine power among recorded row crop tractors.
Overview
About the New Holland T8.420
The New Holland T8.420 is a powerful row crop tractor built for serious farming. It has a strong 6-cylinder diesel engine made by FPT. This engine can produce 367 horsepower, which is very high compared to other tractors. It's cooled by liquid and uses turbocharging to boost its power. This tractor has a 4-wheel drive system and power steering, making it easy to handle in tough conditions. It uses a special transmission called CVT, which allows for smooth speed changes without shifting gears. The T8.420 is big and heavy, weighing 30,165 pounds. It has large tires, with 420/85R34 in front and 480/80R50 in the back. The tractor is 255 inches long and has a strong hitch for pulling heavy equipment. It also has a modern hydraulic system and an electric starter for easy use.
Full specifications
Recorded specifications
General
| Manufacturer | New Holland |
|---|---|
| Model | T8.420 |
| Category | Row Crop tractor |
| Type | 4x4 MFWD 4WD |
| Operating weight | 30,165lb(13,680 kg) |
Engine
| Make | FPT |
|---|---|
| Model | F2C |
| Power | 367hp(273.7 kW) |
| Cylinders | 6 |
| Displacement | 531ci(8.7 L) |
| Bore | 4.61in(117 mm) |
| Stroke | 5.32in(135 mm) |
Transmission
| Type | Continuously variable transmission (CVT) |
|---|
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | 4WD |
| Steering | Power |
Hydraulics
| Type | Closed center pressure flow compensating |
|---|
Dimensions
| Length | 255in(6,477 mm) |
|---|---|
| Operating weight | 30,165lb(13,680 kg) |
Tires
| Front | 420/85R34Convert |
|---|---|
| Rear | 480/80R50Convert |
Closest alternatives
T8.420 compared with the nearest models by horsepower
The closest row crop models to the New Holland T8.420 by rated horsepower are the CaseIH Magnum 370 and the Valtra S352. The CaseIH Magnum 370 matches it on rated power and weighs 1,030 lb more. The Valtra S352 is rated 2 hp lower and weighs 7,460 lb less, carrying 62 lb per horsepower against 82 lb.
| Spec | New Holland T8.420 | CaseIH Magnum 370 | Valtra S352 |
|---|---|---|---|
| Engine power | 367 hp273.7 kW | 367 hp273.7 kW | 365 hp272.2 kW |
| Operating weight | 30,165 lb13,683 kg | 31,190 lb14,148 kg | 22,708 lb10,300 kg |
| Weight per hp | 82 lb/hp50 kg/kW | 85 lb/hp52 kg/kW | 62 lb/hp38 kg/kW |
| Displacement | 531 ci8.7 L | 531 ci8.7 L | 512.6 ci8.4 L |
| Cylinders | 6 | 6 | 6 |
| Transmission | Continuously variable transmission (CVT) | Continuously Variable Transmission (CVT) | Continuously-variable transmission |
| Drive | 4WD | Four Wheel Drive (4WD) | 4WD |
Calculators
Calculators for the T8.420
PTO power
About 305 to 330 PTO hp
Estimated from the 367 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 367 hp tractor can run
Maximum size is about a 43.5 ft rotary cutter or a 37.5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
96 lb per PTO hp as listed
Heavy draft work calls for 110 to 125 lb/hp. The calculator gives the ballast to add.
Units
367 hp is 273.7 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Tires
Convert the 480/80R50 tire size
The calculator gives diameter, rolling circumference and the metric or inch equivalent.
Category medians
T8.420 vs. Row Crop median
New Holland T8.420 compared with other Row Crop tractors
| Spec | This model | Row Crop median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 367 hp | 138 hp | +166% | 97th |
| Engine Displacement | 531 ci | 391 ci | +36% | 93rd |
| Cylinders | 6 | 6 | at median | 50th |
| Operating Weight | 30,165 lb | 12,307 lb | +145% | 98th |
| Length | 255 in | 180 in | +42% | 98th |
Medians and percentiles are calculated from the row crop tractors in the database that have a recorded value for each specification (sample size 1,157–1,417 models).
Same manufacturer
Other New Holland models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
What is the engine power output of the New Holland T8.420?
Rated engine output for the New Holland T8.420 is 367 hp, delivered by a 6-cylinder engine. The engine displaces 531 ci.
What size tires does the New Holland T8.420 use?
The New Holland T8.420 is fitted with 420/85R34 front tires and 480/80R50 rear tires from the factory.
What hitch category is the New Holland T8.420?
The New Holland T8.420 uses a Category Category 3 hitch.
What is the operating weight of the New Holland T8.420?
The New Holland T8.420 has an operating weight of about 30,165 lb.
Which transmission does the New Holland T8.420 use?
The New Holland T8.420 is equipped with a Continuously variable transmission (CVT) transmission.
What type of hydraulic system does the New Holland T8.420 use?
Hydraulics on the New Holland T8.420 are Closed center pressure flow compensating.
How do I maintain a New Holland T8.420?
Routine service for the New Holland T8.420 covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.