John Deere 8630 tractor specifications

1975 - 1978

1975 - 1978 Generation II SeriesFour-wheel Drive (4WD) tractor

Production

Production Manufacturer:John Deere
Type:Four-wheel Drive (4WD) tractor
Factory:Waterloo, Iowa, USA
Original price:$53,000 (1978 )

John Deere 8630 Power

John Deere 8630 Power Engine:275 hp
205.1 kW
PTO (claimed):225 hp
167.8 kW
Drawbar (tested):198.12 hp
147.7 kW
PTO (tested):225.59 hp
168.2 kW
power test details ...

1975 - 1978

Generation II Series

Four-wheel Drive (4WD) tractor

Nebraska Tractor Test 1180

Nebraska Tractor Test 1180
Diesel Quad-Range 4WD June 3 - 11, 1975 Link: Nebraska Tractor Test 1180 file
PTO performance
Power at rated engine speed:	225.59 hp 168.2 kW
Fuel use:	15.3 gal/hour 57.9 l/hour
Drawbar performance
Max power:	198.12 hp 147.7 kW
Fuel use:	13.7 gal/hour 51.9 l/hour
Max pull:	26,443 lbs 11994 kg

John Deere 8630 Engine

John Deere 8630 Engine John Deere 10.1L 6-cyl diesel Engine details ...

1975 - 1978

Generation II Series

Four-wheel Drive (4WD) tractor

Engine Detail

Engine Detail
John Deere
turbocharged diesel
6-cylinder
liquid-cooled
Displacement:	619 ci 10.1 L
Bore/Stroke:	5.12x5.00 inches 130 x 127 mm
Power:	275 hp 205.1 kW
Air cleaner:	dry
Compression:	15.4:1
Rated RPM:	2100
Idle RPM:	800-2300
Operating RPM:	1500-2100
Starter volts:	12
Coolant capacity:	44 qts 41.6 L

Mechanical

Mechanical Chassis:4x4 articulated 4WD
Steering:hydraulic power
Brakes:hydraulic wet disc
Cab:Sound-Gard cab standard. Optional air-conditioning.
Transmission:16-speed partial power shift
Transmission details ...

1975 - 1978

Generation II Series

Four-wheel Drive (4WD) tractor

Transmission

Transmission
Transmission:	John Deere Quad-Range
Type:	partial power shift
Gears:	16 forward and 4 reverse
Clutch:	hydraulic wet disc

Speeds

Speeds
With 18.4x34 tires.

Capacity

Capacity Fuel:156 gal
590.5 L
Hydraulic system:26 gal
98.4 L

Hydraulics

Hydraulics Type:closed center constant pressure
Capacity:26 gal
98.4 L
Valves:2
Pump flow:33 gpm
124.9 lpm

Tractor hitch

Tractor hitch Rear Type:III

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:1000
Engine RPM:2100

Dimensions & Tires

Dimensions & Tires Wheelbase:125 inches
317 cm
Weight:24150 to 24500 pounds
Front tire:18.4-34
Rear tire:18.4-34
Full dimensions and tires ...

1975 - 1978

Generation II Series

Four-wheel Drive (4WD) tractor

John Deere 8630 Tires

John Deere 8630 Tires
Ag front:	18.4-34
Ag rear:	18.4-34

Dimensions

Dimensions
Wheelbase:	125 inches 317 cm
Length:	223.5 inches 567 cm
Width:	95.8 inches 243 cm *Standard axle
	118.4 inches 300 cm *Long axle
Height (exhaust):	134.5 inches 341 cm
Ground clearance:	19.4 inches 49 cm
Front axle:	3.622 by 96 inches 91 by 2438 mm
Front axle:	3.622 by 118 inches 91 by 2997 mm
Rear axle:	3.622 by 96 inches 91 by 2438 mm
Rear axle:	3.622 by 118 inches 91 by 2997 mm