All 92 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production
Manufacturer
John Deere
(no label)
Row-Crop tractor
(no label)
Built in Waterloo, Iowa, USA
(no label)
Original price was $27,080 in 1977
Engine
(no label)
John Deere 6.6L 6-cyl diesel
Fuel tank
65 gal | 246.0 L
Transmission
(no label)
8-speed partially synchronized
(no label)
16-speed partial power shift
(no label)
8-speed full power shift
Power
PTO (claimed)
150 hp | 111.9 kW
Drawbar (tested)
127.92 hp | 95.4 kW
PTO (tested)
150.66 hp | 112.3 kW
Mechanical
Drive
4x2 2WD
Drive
4x4 HFWD 4WD
Final drives
planetary
Differential lock
hydro-mechanical rear
(no label)
Power steering
(no label)
Differential hydraulic wet disc brakes
(no label)
Sound-Gard cab with air-conditioning standard.
Hydraulics
Type
closed center
Valves
1 to 3
Hitch
Rear Type
III/IIIN
Rear lift
5260 lbs | 2385 kg
Pto
Rear PTO
independent
Rear PTO Type
1000 (1.375)
Dimensions
Wheelbase
112.65 inches | 286 cm
Weight
16250 lbs | 7371 kg
Front tire
10.00-16
Rear tire
18.4-38
Serial location
(no label)
Serial number plate on the rear of the John Deere 4630, right side, above the PTO shaft.
Electrical
Ground
negative
Charging system
alternator
Batteries
2
Battery volts
6
Engine
Engine detail
(no label)
John Deere
(no label)
aftercooled turbocharged diesel
(no label)
6-cylinder
(no label)
liquid-cooled inline horizontal-shaft
Displacement
404 ci | 6.6 L
Bore/Stroke
4.25x4.75 inches | 108 x 121 mm
Air cleaner
dry with secondary element
Pre-heating
ether injection
Pre-heating
coolant heater
Compression
16.0:1
Rated RPM
2200
Firing order
1-5-3-6-2-4
Starter
electric
Starter volts
12
Oil capacity
17 qts | 16.1 L
Coolant capacity (Coolant)
36 qts | 34.1 L
Transmission
Transmission options
(no label)
8-speed partially synchronized
(no label)
16-speed partial power shift
(no label)
8-speed full power shift
Transmission
Transmission
John Deere Syncro-Range
Type
partially synchronized
Gears
8 forward and 2 reverse
Clutch
hydraulic wet disc
(no label)
Four shift stations with two gears each, plus reverse gear in the first two shift stations. Tractor must be stopped, and clutch used, to shift between stations. Once in a shift station the tractor may be shifted on the move, using the clutch, between the gears in that station.
Transmission
John Deere Quad-Range
Type
partial power shift
Gears
16 forward and 6 reverse
Clutch
hydraulic wet disc
(no label)
Four gears (1-4) in four ranges (A-D). Power shift between gears 1-2 and 3-4 in each range with a synchronized shift (using clutch) between 2-3. Tractor must be stopped to shift range.