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John Deere
8R 440
8 Series Tractors

John Deere 8R 440

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Bring High Horsepower to More of Your Operation

Big jobs don’t always fit a four-track footprint. HHP 8R tractors deliver the power of larger machines in a versatile row-crop frame - making them a total planting solution capable of pulling wider planters, running at higher speeds, and maximizing acres per day. From planting to tillage and grain handling, you can increase productivity without sacrificing maneuverability or field accessibility.

Green tractor pulling a wide planter across a dry, freshly tilled field. Dust rises behind the equipment as it moves under a lightly overcast sky, with multiple yellow seed tanks visible and open farmland stretching into the distance.
Do More Jobs with One Machine

Operations need flexibility, especially when timing is tight. HHP 8R tractors are designed to handle multiple roles - from primary tillage to high-speed planting and grain cart work - without compromise. With the ability to match a wide range of implements and conditions, you can reduce equipment needs and keep your operation moving with fewer tradeoffs.

Front view of a large green tractor pulling tillage equipment across a harvested field covered in crop residue with dust rising from the machine and trees and a cloudy sky visible in the background
Put Power to the Ground Efficiently and Intelligently

Performance is more than horsepower - it’s how efficiently you use it. HHP 8R tractors combine advanced power management like Peak Power IPM, traction solutions, and integrated technologies to maintain speed under load, reduce slip, and optimize fuel use. The result is more consistent output, better field efficiency, and the confidence to push through demanding conditions.

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Specs & Compare
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Machine Configuration

Wheel or Track ConfigurationWheel

Engine

Engine MakeJohn Deere
Engine ModelJD14
Engine FamilySJDXL13.5334
Emissions CertificationsStage V
Displacement827 cu in.
Displacement13.6 L
AspirationSingle wastegated turbocharger with air-to-air aftercooling and cooled exhaust gas recirculation (EGR)
Number of Cylinders6
Cylinder LinersWet-sleeve
Aftertreatment TypeDiesel oxidation catalyst (DOC), diesel particulate filter (DPF) and selective catalytic reduction (SCR)
Intelligent Power Management (IPM)40
Rated Engine Speed1900 rpm
Rated Engine Power434 hp
Rated Engine Power324 kW
Rated Engine Power440 PS
(hp ISO)
Rated Engine Power with IPM353 kW
Rated Engine Power with IPM480 PS
Maximum Engine Speed1900 rpm
Maximum Engine Power477 hp
Maximum Engine Power356 kW
Maximum Engine Power484 PS
(hp ISO)
Maximum Engine Power with IPM385 kW
Maximum Engine Power with IPM524 PS
Maximum Engine Torque2,196 Nm (1620 lb-ft)
Constant Power Range1450-1900 rpm
Power Bulge10 %
Bore and Stroke5.2 x 6.5 in.
Bore and Stroke132 x 165 mm
Compression Ratio15:9:1
LubricationFull-pressure, full-flow filtration with bypass
Cooling System TypeLiquid
Fuel TypeUltra-low sulfur diesel
Alternative Fuel TypeB8 diesel compatible
Air Cleaner TypeDual stage with exhaust aspiration
Torque Rise35 %

Rear Power Take-Off (PTO)

Rated PTO Power288 kW
Rated PTO Power391 PS
Engine rpm at Rated PTO Speeds (1000/1000E/1.300)1,801/1,387/1,803

Front PTO

PTO Speed1000
Maximum PTO Power130 kW
Maximum PTO Power176 PS

Front Hitch

Lift Capacity Through Full Lift Range at Coupling Points12478 lb.
Lift Capacity Through Full Lift Range at Coupling Points5660 kg
Maximum Lift Capacity at Coupling Points16950 lb.
Maximum Lift Capacity at Coupling Points7690 kg

Rear Hitch

Lift Capacity Through Full Lift Range at Coupling Points5660
Lift Capacity Through Full Lift Range at 610-mm Behind Hitch Point10886 kg (24000 lb)

Hydraulics

Maximum Operating Pressure2958 psi
Maximum Operating Pressure204 bar
Available Flow at Front SCVs31 gpm
Available Flow at Front SCVs120 L/min

Electrical System

Battery Voltage12 V
Electrical System Voltage12 V
Battery Cold Cranking Amps2850 CCA
Battery Capacity950 CCA

Operator Station

Degree of Seat Swivel, Left Hand25 degree (angle)
Degree of Seat Swivel, Right Hand40 degree (angle)
Inner Cab Volume114.42 cu ft
Inner Cab Volume3.24 m³
Cab Glass Area70.61 sq ft
Cab Glass Area6.56 m²

Capacities

Diesel Exhaust Fluid (DEF) Tank Capacity18.2 gal.
Diesel Exhaust Fluid (DEF) Tank Capacity69 L
Cooling System Capacity18.5 gal.
Cooling System Capacity70 L
Transmission - Hydraulic System54.4 gal.
Transmission - Hydraulic System206 L
Crankcase Oil Volume12.9 gal.
Crankcase Oil Volume49 L

Dimensions & Weights

Wheelbase131.9 in.
Wheelbase3350 mm
Base Machine Weight37377 lb.
Base Machine Weight16954 kg
Overall Height145 in.
Overall Height3683 mm
Transport Height145 in.
Transport Height3683 mm
Overall Width113.6 in.
Overall Width2886 mm
Overall Length277.8 in.
Overall Length7057 mm
Ground Clearance15.9 in.
Ground Clearance405 mm
Front Axle Ground Clearance21.9 in.
Front Axle Ground Clearance555 mm
Drawbar Ground Clearance15.9 in.
Drawbar Ground Clearance405 mm
Maximum Ballast Level52910 lb.
Maximum Ballast Level24000 kg
Maximum Permissible Weight52910 lb.
Maximum Permissible Weight24000 kg

Additional Information

Country of ManufactureUSA