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John Deere 4630

John Deere 4630 tractor
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The John Deere 4630 is a Generation II Series row-crop tractor produced from 1973 to 1977. It was built in Waterloo, Iowa, USA, and originally priced at $27,080 in 1977. It features a John Deere 6.6L 6-cylinder diesel engine with aftercooled turbocharged design, producing a claimed 150 hp at the PTO. The tractor offers multiple transmission options including 8-speed partially synchronized, 16-speed partial power shift, and 8-speed full power shift. It has a 4x2 or 4x4 drive with planetary final drives and hydro-mechanical rear differential lock. The Sound-Gard cab with air-conditioning was standard. Hydraulics are closed center with 1 to 3 valves. The rear hitch is type III/IIIN with a lift capacity of 5260 lbs. The rear PTO is independent with a 1000 rpm type. Dimensions include a wheelbase of 112.65 inches and operating weight of 16,250 lbs. The tractor supports various tire sizes and has a range of front and rear tread widths. Attachments include the 158 Loader with a lift capacity of 3,800 lbs and multiple bucket width options. Electrical system features negative ground, alternator charging, two 6-volt batteries. Serial numbers range from 1000 in 1973 to 25794 in 1977.
John Deere 4630tractorspecificationsenginetransmissiondimensionshydraulicsattachmentsfarm tractor
Power166 hp[P]
Founded1973 - 1977
Model4630

Technical Specifications

Detailed specifications and technical data for John Deere 4630

Power

PTO (tested):150.66 hp (112.3 kW)
PTO (claimed):150 hp (111.9 kW)
Drawbar (tested):127.92 hp (95.4 kW)

Engine

Type:John Deere 6.6L 6-cyl diesel
Details:aftercooled turbocharged diesel, 6-cylinder, liquid-cooled inline horizontal-shaft
Starter:electric
Fuel tank:65 gal (246.0 L)
Rated RPM:2200
Air cleaner:dry with secondary element
Bore/Stroke:4.25x4.75 inches (108 x 121 mm)
Pre-heating:ether injection
Displacement:404 ci (6.6 L)
Firing order:1-5-3-6-2-4
Oil capacity:17 qts (16.1 L)
Starter volts:12
Coolant heater:Optional
Coolant capacity:36 qts (34.1 L)
Compression ratio:16.0:1

Dimensions

Length:171.2 inches (434 cm)
Rear tire:18.4-38
Wheelbase:112.65 inches (286 cm)
Front tire:10.00-16
Rear tread:60 to 105.6 inches (152 to 268 cm),60 to 118 inches (152 to 299 cm),60 to 128.3 inches (152 to 325 cm)
Front tread:56 to 83.6 inches (142 to 212 cm),64 to 95.6 inches (162 to 242 cm),72 to 88 inches (182 to 223 cm) (4WD)
Height (cab):116.9 inches (296 cm)
Additional tires:14L-16A,11.00-16,9.50-20,24.5-32,20.8-38
Operating weight:16250 lbs (7371 kg)
Clearance (drawbar):15.4 inches (39 cm)
Clearance (rear axle):28.1 inches (71 cm)
Clearance (front axle):24.9 inches (63 cm)
Height (steering wheel):93.6 inches (237 cm)
Rack-and-pinion rear axle:3.62 by 96 inches (91 by 2438 mm),3.62 by 108 inches (91 by 2743 mm),3.62 by 118 inches (91 by 2997 mm),3.94 by 118 inches (100 by 2997 mm)

Electrical

Ground:negative
Batteries:2
Battery volts:6
Charging system:alternator

Hydraulics

Type:closed center
Valves:1 to 3

Mechanical

Cab:Sound-Gard cab with air-conditioning standard
Drive:4x2 2WD, 4x4 HFWD 4WD
Brakes:Differential hydraulic wet disc brakes
Final drives:planetary
Power steering:Yes
Differential lock:hydro-mechanical rear

Production

Type:Row-Crop tractor
Series:Generation II Series
Original price:$27,080 in 1977
Years produced:1973 - 1977
Manufactured in:Waterloo, Iowa, USA

Attachments

Loader:158 Loader
Weight:1,771 lbs (803 kg)
Dump angle:37° dump
Bucket widths:60 inches (152 cm),72 inches (182 cm),84 inches (213 cm),96 inches (243 cm)
Lift capacity:3,800 lbs lift (full at pin) (1723 kg)
Breakout force:5,000 lbs breakout (2268 kg)
Reach (dumped):32 inches (81 cm)
Rollback angle:12° rollback
Height (at pin):156 inches (396 cm)
Clearance (dumped):132 inches (335 cm)

Transmission

Options:8-speed partially synchronized, 16-speed partial power shift, 8-speed full power shift

John Deere Quad-Range

Type:partial power shift
Gears:16 forward and 6 reverse
Clutch:hydraulic wet disc
Description: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.

John Deere Power Shift

Type:full power shift
Gears:8 forward and 4 reverse
Clutch:hydraulic wet discs

John Deere Syncro-Range

Type:partially synchronized
Gears:8 forward and 2 reverse
Clutch:hydraulic wet disc
Description: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.

Tractor hitch

Rear Type:III/IIIN
Rear lift capacity:5260 lbs (2385 kg)

Serial Numbers

1973:1000
1974:7022
1975:11717
1976:18392
1977:25794
Serial number location:Serial number plate on the rear of the John Deere 4630, right side, above the PTO shaft.

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:1000 (1.375)