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Years in Production / 1975–1978

John Deere

8630

Explore the specifications, hardware, and original references for the John Deere 8630.

John Deere 8630 with machinery on trailer — Bill McChesney, CC BY 2.0. Resized; converted to WebP. · Bill McChesney · CC BY 2.0 commons.wikimedia.org source ↗

275hp

Source index power

4x4 Only

Drive

1975–1978

Production years

John Deere

Manufacturer

8630 / 01

At a glance

Overview

1975 - 1978

Generation II Series

Four-wheel Drive (4WD) tractor

Production

Four-wheel Drive (4WD) tractor

Built in Waterloo, Iowa, USA

Original price was $53,000 in 1978

Manufacturer
John Deere

Mechanical

Four-wheel drive

Hydraulic wet disc brakes

Sound-Gard cab standard. Optional air-conditioning.

Steering
hydraulic power

Capacity

Fuel
156 gal590.5 L
Hydraulic System
26 gal98.4 L

Hydraulics

Type
closed center constant pressure
Capacity
26 gal98.4 L
Valves
2
Pump Flow
33 gpm124.9 lpm

Hitch

Rear Type
III

Pto

Rear Pto
independent
Rear Type
1000
Engine Rpm
2100

Electrical

Ground
negative
Charging System
alternator
Batteries
2
Battery Cca
975
Battery Volts
6

8630 / 02

Under the hood

Engine Detail

John Deere

turbocharged diesel

6-cylinder

liquid-cooled

Displacement
619 ci10.1 L
Bore Stroke
5.12x5.00 inches130 x 127 mm
Power
275 hp205.1 kW
Air Cleaner
dry
Compression Ratio
15.4:1
Rated Rpm
2100
Idle Rpm
800-2300
Operating Rpm
1500-2100
Starter Volts
12
Coolant Capacity
44 qts41.6 L
Cylinders
6
Cooling
liquid-cooled

Engine Options

John Deere 10.1L 6-cyl diesel

8630 / 03

Gears & controls

Transmission

Transmission
John Deere Quad-Range
Transmission Type
partial power shift
Gears
16 forward and 4 reverse
Clutch
hydraulic wet disc
Speeds Description
With 18.4x34 tires.

John Deere8630 Transmission

16-speed partial power shift

8630 / 04

Size. Stance. Footprint.

Dimensions

Length
223.5 in567 cm
Width
95.8 in243 cm
Height
134.5 in341 cm
Wheelbase
125 in317 cm
Ground clearance
19.4 in49 cm

Dimensions And Tires

Wheelbase
125 inches317 cm
Weight
24150 to 24500 pounds
Front Tire
18.4-34
Rear Tire
18.4-34

Tires And Tracks

Front Ag
18.4-34
Rear Ag
18.4-34

8630 / 05

Tractor Photos

John Deere 8630 with machinery on trailer — Bill McChesney, CC BY 2.0. Resized; converted to WebP. · Bill McChesney · CC BY 2.0 commons.wikimedia.org source ↗

See it in action

Videos

Watch John Deere 8630 videos from their original YouTube creators.

8630 / 07

Tests (NTTL)

Nebraska Tractor Test 1180

Diesel Quad-Range 4WDJune 3 - 11, 1975

PTO performance

Drawbar performance

Id
1180
Power At Rated Engine Speed
225.59 hp168.2 kW
Fuel Use
15.3 gal/hour57.9 l/hour
Fuel Use
13.7 gal/hour51.9 l/hour
Max Power
198.12 hp147.7 kW
Max Pull
26,443 lbs11994 kg

John Deere 8630 · photo 1 / 1

John Deere 8630 with machinery on trailer

John Deere 8630 with machinery on trailer — Bill McChesney, CC BY 2.0. Resized; converted to WebP. · Bill McChesney · CC BY 2.0 commons.wikimedia.org source ↗