Tractor · 1982Unverified
John Deere 8450
John Deere 8450 — Four-wheel Drive (4WD) tractor · 187 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
187 hp
Max power
129.4 kW
Weight
27560 to 29150 pounds
Hover a source tag to verify
Overview
ManufacturerJohn DeereReference
Four-wheel Drive (4WD) tractorReference
Built in Waterloo, Iowa, USAReference
Original price was $78,707 in 1983Reference
The John Deere model 8450 was introduced, along with the 8650 and 8850, in 1982 as replacements for the 40-series four-wheel drive tractors. Efficiency was the focus of Deere's advertising for these tractor models. Deere promoted the ability of the 8450 to perform planting and cultivation work, the duals could be set to navigate 30-inch crop rows. The 8450 also had a full-power PTO available, along with Load-and-Depth control on the three-point hitch.Reference
Four-wheel driveReference
Final drivesinboard planetaryReference
Differential lockelectro-hydraulic front and rearReference
Articulated power steeringReference
Power wet disc brakesReference
Sound-Gard cab with air-conditioningReference
Engine
John Deere 7.6L 6-cyl dieselReference
Engine167.8 kWReference
Drawbar (tested)129.4 kWReference
John DeereReference
intercooled turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement7.6 LReference
Bore/Stroke116 x 121 mmReference
Power167.8 kWReference
Compression15.5:1Reference
Rated RPM2100Reference
Firing order1-5-3-6-2-4Reference
Starter volts12Reference
Oil capacity18.9 LReference
Coolant capacity39.7 LReference
Power at rated engine speed139.4 kWReference
Max power129.4 kWReference
Transmission
16-speed partial power shiftReference
TransmissionQuad-RangeReference
Typepartial power shiftReference
Gears16 forward and 6 reverseReference
ClutchPerma-Clutch hydraulic wet discsReference
Oil capacity142.0 LReference
Tractor must be stopped to select one of four ranges. Clutchless power shift between speeds 1-2 and 3-4 in range. A synchronized shift (using clutch) can be made between 2 and 3 in range.Reference
PTO & Hydraulics
PTO (claimed)138.0 kWReference
PTO (tested)139.4 kWReference
Hydraulic system141.9 LReference
Typeclosed center constant-pressureReference
Capacity141.9 LReference
Valves2 to 4Reference
Pump flow121.1 lpmReference
Rear Type3/3NReference
Controllower-link draft sensingReference
Rear lift4201 kgReference
Rear PTOindependentReference
Clutchhydraulic wet discReference
Rear PTO Type1000 (1.75)Reference
Capacities
Fuel700.2 LReference
Dimensions
Wheelbase317 cmReference
Weight27560 to 29150 poundsReference
Front tire18.4-34Reference
Rear tire18.4-34Reference
Ag front18.4-34Reference
Ag rear18.4-34Reference
Ag front24.5-32Reference
Ag front24.5R32Reference
Ag front30.5-32Reference
Ag front30.5R32Reference
Ag front20.8-34Reference
Ag front23.1-34Reference
Ag front20.8-38Reference
Ag rear24.5-32Reference
Ag rear24.5R32Reference
Ag rear30.5-32Reference
Ag rear30.5R32Reference
Ag rear20.8-34Reference
Ag rear23.1-34Reference
Ag rear20.8-38Reference
Length567 cmReference
Shipping weight12501 kgReference
Operating weight13222 kgReference
Front axle100 by 2438 mmReference
Front axle99 by 3012 mmReference
Standard axle rear axle100 by 2438 mmReference
Long axle rear axle99 by 3012 mmReference
John Deere 8450 attachments
bladeReference
8450 Serial Numbers
Location:Serial number plate on the rear of the tractor.Reference
19821000Reference
19832000Reference
19843501Reference
19855001Reference
19865501Reference
19876001Reference
19886501Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps110Reference
Batteries2Reference
Battery CCA800Reference
Battery volts6Reference
Test results
Diesel Quad-Range 4WDMay 12 - 27, 1982Link: Nebraska Tractor Test 1436 fileReference
PTO performanceReference
Fuel use45.0 l/hourReference
Drawbar performanceReference
Fuel use45.4 l/hourReference
Max pull12050 kgReference
Speeds
18.4-38 tiresReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.