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Tractor · 1975Unverified

John Deere 8430

Name: John Deere 8430
Brand: John Deere

John Deere 8430 — Generation II Series · 178 hp. Reference specifications; pending source verification.

The John Deere 8430 is a tractor with a power rating of 178 hp, positioning it among the more powerful models in its class. Manufactured from 1975 to 1978, this model features a 6-cylinder turbocharged diesel liquid-cooled engine, transmitting power to all four wheels via a hydrostatic transmission. The listed weight range for the John Deere 8430 is 22010 to 22810 pounds. It is designed to handle land areas of approximately 600–1,500 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

178 hp

Max power

116.0 kW

Weight

22010 to 22810 pounds

Catalogue coverage

Variants represented

Richest spec table

75 rows

Recorded power

178 hp

Transmissions

16-speed partial power shift

Production years

1975-1978

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference

Four-wheel Drive (4WD) tractorReference

Built in Waterloo, Iowa, USAReference

Four-wheel driveReference

Steeringhydrostatic powerReference

Hydraulic wet disc brakesReference

Sound-Gard cab standard. Optional air-conditioning.Reference

Engine

John Deere 7.6L 6-cyl dieselReference

Fuel tank590.5 LReference

Drawbar (tested)116.0 kWReference

John DeereReference

turbocharged dieselReference

6-cylinderReference

liquid-cooledReference

Displacement7.6 LReference

Bore/Stroke116 x 121 mmReference

Air cleanerdual paper elementsReference

Compression15.5:1Reference

Rated RPM2100Reference

Idle RPM800-2300Reference

Operating RPM1500-2100Reference

Firing order1-5-3-6-2-4Reference

Starter volts12Reference

Power at rated engine speed132.9 kWReference

Max power116.0 kWReference

Transmission

16-speed partial power shiftReference

TransmissionQuad-RangeReference

Typepartial power shiftReference

Gears16 forward and 4 reverseReference

Clutchhydraulic wet discReference

PTO & Hydraulics

PTO (claimed)130.5 kWReference

PTO (tested)132.9 kWReference

Typeclosed center constant pressureReference

Rear TypeIIIReference

Rear PTOindependentReference

Rear PTO Type1000Reference

Engine RPM1000@2100Reference

Dimensions

Wheelbase317 cmReference

Weight22010 to 22810 poundsReference

Front tire18.4-34Reference

Rear tire18.4-34Reference

Ag front18.4-34Reference

Ag rear18.4-34Reference

Length567 cmReference

Width243 cmReference

Width300 cmReference

Height (exhaust)341 cmReference

Ground clearance49 cmReference

Front axle91 by 2438 mmReference

Front axle91 by 2997 mmReference

Rear axle91 by 2438 mmReference

Rear axle91 by 2997 mmReference

Front tread152 to 340 cmReference

Rear tread152 to 340 cmReference

Shipping9983 kgReference

Operating10346 kgReference

Ballasted10478 kgReference

8430 Serial Numbers

Location:On the tractor transmission case, rear.Reference

19751000Reference

19761690Reference

19773962Reference

19785323Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Batteries2Reference

Battery CCA850Reference

Battery volts6Reference

Test results

Diesel 16-speed 4WDJune 3 - 10, 1975Link: Nebraska Tractor Test 1179 fileReference

PTO performanceReference

Fuel use44.7 l/hourReference

Drawbar performanceReference

Fuel use43.9 l/hourReference

Max pull10207 kgReference

Speeds

With 18.4x34 tires.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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