Tractor · 1975Unverified
John Deere 8630
John Deere 8630 — Generation II Series · 226 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
226 hp
Max power
147.7 kW
Weight
24150 to 24500 pounds
Hover a source tag to verify
Overview
ManufacturerJohn DeereReference
Four-wheel Drive (4WD) tractorReference
Built in Waterloo, Iowa, USAReference
Original price was $53,000 in 1978Reference
Four-wheel driveReference
Steeringhydraulic powerReference
Hydraulic wet disc brakesReference
Sound-Gard cab standard. Optional air-conditioning.Reference
Engine
John Deere 10.1L 6-cyl dieselReference
Engine205.1 kWReference
Drawbar (tested)147.7 kWReference
John DeereReference
turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement10.1 LReference
Bore/Stroke130 x 127 mmReference
Power205.1 kWReference
Air cleanerdryReference
Compression15.4:1Reference
Rated RPM2100Reference
Idle RPM800-2300Reference
Operating RPM1500-2100Reference
Starter volts12Reference
Coolant capacity41.6 LReference
Power at rated engine speed168.2 kWReference
Max power147.7 kWReference
Transmission
16-speed partial power shiftReference
TransmissionJohn Deere Quad-RangeReference
Typepartial power shiftReference
Gears16 forward and 4 reverseReference
Clutchhydraulic wet discReference
PTO & Hydraulics
PTO (claimed)167.8 kWReference
PTO (tested)168.2 kWReference
Hydraulic system98.4 LReference
Typeclosed center constant pressureReference
Capacity98.4 LReference
Valves2Reference
Pump flow124.9 lpmReference
Rear TypeIIIReference
Rear PTOindependentReference
Rear PTO Type1000Reference
Engine RPM2100Reference
Capacities
Fuel590.5 LReference
Dimensions
Wheelbase317 cmReference
Weight24150 to 24500 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
Shipping10954 kgReference
Operating11113 kgReference
Ballasted12011 kgReference
8630 Serial Numbers
Location:Back of transmission caseReference
19751000Reference
19762382Reference
19775222Reference
19787626Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Batteries2Reference
Battery CCA975Reference
Battery volts6Reference
Test results
Diesel Quad-Range 4WDJune 3 - 11, 1975Link: Nebraska Tractor Test 1180 fileReference
PTO performanceReference
Fuel use57.9 l/hourReference
Drawbar performanceReference
Fuel use51.9 l/hourReference
Max pull11994 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.