John Deere

John Deere 4630

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.
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
TypeJohn Deere 6.6L 6-cyl diesel
Detailsaftercooled turbocharged diesel, 6-cylinder, liquid-cooled inline horizontal-shaft
Starterelectric
Fuel tank65 gal (246.0 L)
Rated RPM2200
Air cleanerdry with secondary element
Bore/Stroke4.25x4.75 inches (108 x 121 mm)
Pre-heatingether injection
Displacement404 ci (6.6 L)
Firing order1-5-3-6-2-4
Oil capacity17 qts (16.1 L)
Starter volts12
Coolant heaterOptional
Coolant capacity36 qts (34.1 L)
Compression ratio16.0:1
Dimensions
Length171.2 inches (434 cm)
Rear tire18.4-38
Wheelbase112.65 inches (286 cm)
Front tire10.00-16
Rear tread60 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 tread56 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 tires14L-16A,11.00-16,9.50-20,24.5-32,20.8-38
Operating weight16250 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 axle3.62 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
Groundnegative
Batteries2
Battery volts6
Charging systemalternator
Hydraulics
Typeclosed center
Valves1 to 3
Mechanical
CabSound-Gard cab with air-conditioning standard
Drive4x2 2WD, 4x4 HFWD 4WD
BrakesDifferential hydraulic wet disc brakes
Final drivesplanetary
Power steeringYes
Differential lockhydro-mechanical rear
Production
TypeRow-Crop tractor
SeriesGeneration II Series
Original price$27,080 in 1977
Years produced1973 - 1977
Manufactured inWaterloo, Iowa, USA
Attachments
Loader158 Loader
Weight1,771 lbs (803 kg)
Dump angle37° dump
Bucket widths60 inches (152 cm),72 inches (182 cm),84 inches (213 cm),96 inches (243 cm)
Lift capacity3,800 lbs lift (full at pin) (1723 kg)
Breakout force5,000 lbs breakout (2268 kg)
Reach (dumped)32 inches (81 cm)
Rollback angle12° rollback
Height (at pin)156 inches (396 cm)
Clearance (dumped)132 inches (335 cm)
Transmission
Options8-speed partially synchronized, 16-speed partial power shift, 8-speed full power shift
John Deere Quad-Range
Typepartial power shift
Gears16 forward and 6 reverse
Clutchhydraulic wet disc
DescriptionFour 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
Typefull power shift
Gears8 forward and 4 reverse
Clutchhydraulic wet discs
John Deere Syncro-Range
Typepartially synchronized
Gears8 forward and 2 reverse
Clutchhydraulic wet disc
DescriptionFour 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 TypeIII/IIIN
Rear lift capacity5260 lbs (2385 kg)
Serial Numbers
19731000
19747022
197511717
197618392
197725794
Serial number locationSerial number plate on the rear of the John Deere 4630, right side, above the PTO shaft.
Power Take-off (PTO)
Rear PTOindependent
Rear PTO Type1000 (1.375)