New Holland T8.420
The New Holland T8.420 is a tractor produced by New Holland. It is equipped with a 531 ci 8.7 L engine. The listed engine power is Diesel (gross): 367 hp / 273.7 kW. Transmission: Auto Command CVT. Operating weight: 30165 lbs 13682 kg.
Overview
![]() | 2013 - 2014
Genesis T8 SeriesRow-Crop tractor
Genesis T8 Series
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | New Holland |
Row-Crop tractor | |
Built in Racine, Wisconsin, USA | |
New Holland T8.420 Engine | |
|---|---|
FPT 8.7L 6-cyl diesel | |
Fuel tank | 152 gal
575.3 L |
Exhaust fluid (DEF) | 23.6 gal
89.3 L |
Engine details ... | |
New Holland T8.420 Transmission | |
|---|---|
continuously variable transmission | |
Transmission details ... |
New Holland T8.420 Power | |
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Engine (gross) | 367 hp
273.7 kW |
PTO (claimed) | 305 hp
227.4 kW |
Drawbar (tested) | 255.76 hp
190.7 kW |
PTO (tested) | 351.68 hp
262.2 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Four-wheel drive | |
Final drives | inboard planetary |
Power steering | |
Cab standard with air-conditioning. | |
Hydraulics | |
|---|---|
Type | closed center pressure flow compensating |
Valves | 4 to 6 |
Pump flow | 44 gpm
166.5 lpm |
75 gpm*With optional MegaFlow
283.9 lpm | |
Tractor hitch | |
|---|---|
Rear Type | IVN/III |
Control | electronic lower-link draft sensing |
Rear lift | 17500 lbs
7938 kg |
19500 lbsOptOptional
8845 kg | |
Front Hitch | optional |
Front lift | 12800 lbs
5806 kg |
Drawbar | Cat. 4 |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 1000 |
540/1000 | |
Engine RPM | 1000@1778 |
Dimensions & Tires | |
|---|---|
Wheelbase | 139.8 inches
355 cm |
Weight | 30165 lbs
13682 kg |
Front tire | 420/85R34L480/80R50 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 200 |
Battery volts | 12 |
Engine
Engine Detail — 531 ci / 8.7 L Diesel
Manufacturer | FPT F2C |
Configuration | turbocharged intercooled diesel, 6-cylinder, liquid-cooled |
Displacement | 531 ci
8.7 L |
Bore/Stroke | 4.606x5.315 inches
117 x 135 mm |
Emissions | Interim Tier 4 |
Emission control | selective catalytic reduction (SCR) |
Power (gross) | 367 hp
273.7 kW |
Maximum Power | 419 hp
312.4 kW |
Fuel system | electronic high-pressure common rail |
Cooling system | viscous fan |
Air cleaner | dual dry element |
Compression | 15.9:1 |
Rated RPM | 2000 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — Auto Command CVT
Transmission | Auto Command CVT |
Type | continuously variable transmission |
Gears | infinite forward and reverse (4-range) |
Dimensions
New Holland T8.420 Tires | |
|---|---|
Standard tires (ag) | Front: 420/85R34L480/80R50. Rear: |
Dimensions | |
|---|---|
Wheelbase | 139.8 inches
355 cm |
Length | 255 inches
647 cm |
Operating weight | 30165 lbs
13682 kg |
Front axle | MFWD |
Front axle | Terraglide |
Bar rear axle | 5 by 120 inches
127 by 3048 mm |
Tests
OCED Tractor Test 2086A | |
|---|---|
Diesel CVT 4WD
July 14 - 15, 2014
Link: OCED Tractor Test 2086A file | |
PTO performance | |
Max power | 351.68 hp
262.2 kW |
Fuel use | 18.4 gal/hour
69.6 l/hour |
Power at rated engine speed | 305.95 hp
228.1 kW |
Fuel use | 16.5 gal/hour
62.5 l/hour |
Power at rated PTO speed | 351.44 hp
262.1 kW |
Fuel use | 18.4 gal/hour
69.6 l/hour |
Drawbar performance | |
Max power | 255.76 hp
190.7 kW |
Fuel use | 16.5 gal/hour
62.5 l/hour |
Pull at 8.3 KPH | |
Max pull | 28484 lbs
12920 kg |
Pull at 4.86 KPH | |
Photos
Recommended Implements & Sizing Guide
Engineering recommendations for New Holland T8.420 based on its 367 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for New Holland T8.420.
Estimated Continuous Field Runtime: 8 hrs
Approximately 8 hours of continuous field operation at ~75% rated power on a full tank (152 gal / 575.4 L).
Engine Crankcase Oil
Transmission & Hydraulic System
Engine Cooling System
New Holland T8.420 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for New Holland T8.420.
Converted Equivalents:
Direct Competitor Comparison
Compare New Holland T8.420 against same-era industry alternatives in the same horsepower class.
New Holland T8.420
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