John Deere 4630
John Deere 4630 Specs
John Deere 4630 Serial Numbers
| 1973 | 1000 |
| 1974 | 7022 |
| 1975 | 11717 |
| 1976 | 18392 |
| 1977 | 25794 |
John Deere 4630 Power
| PTO (claimed) | 150 hp 111.9 kW |
| Drawbar (tested) | 127.92 hp 95.4 kW |
| PTO (tested) | 150.66 hp 112.3 kW |
John Deere aftercooled turbocharged diesel 6-cylinder liquid-cooled inline horizontal-shaft Engine Detail
| Displacement | 404 ci 6.6 L |
| Bore/Stroke | 4.25×4.75 inches 108 x 121 mm |
| Air cleaner | dry with secondary element |
| Pre-heating | ether injection |
| coolant heater Opt | |
| 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 | 36 qts 34.1 L |
Mechanical
| Drive | 4×2 2WD |
| 4×4 HFWD 4WD | |
| Final drives | planetary |
| Differential lock | hydro-mechanical rear |
| Power steering | |
| Differential hydraulic wet disc brakes | |
| Sound-Gard cab with air-conditioning standard | |
Hydraulics
| Type | closed center |
| Valves | 1 to 3 |
Tractor hitch
| Rear Type | III/IIIN |
| Rear lift | 5260 lbs 2385 kg |
Power Take-off (PTO)
| Rear PTO | independent |
| Rear PTO Type | 1000 (1.375) |
John Deere Syncro-Range Transmission
| Transmission | John Deere Syncro-Range |
| Type | partially synchronized |
| Gears | 8 forward and 2 reverse |
| Clutch | hydraulic wet disc |
| 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. | |
John Deere Quad-Range Transmission
| Transmission | John Deere Quad-Range |
| Type | partial power shift |
| Gears | 16 forward and 6 reverse |
| Clutch | hydraulic wet disc |
| 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 Transmission
| Transmission | John Deere Power Shift |
| Type | full power shift |
| Gears | 8 forward and 4 reverse |
| Clutch | hydraulic wet discs |
Electrical
| Ground | negative |
| Charging system | alternator |
| Batteries | 2 |
| Battery volts | 6 |
John Deere 4630 Tires
| Ag front | 10.00-16 |
| Ag rear | 18.4-38 |
| Ag front | 14L-16A |
| 11.00-16 | |
| 9.50-20 | |
| Ag rear | 24.5-32 |
| 20.8-38 |
Dimensions
| Wheelbase | 112.65 inches 286 cm |
| Length | 171.2 inches 434 cm |
| Height (steering wheel) | 93.6 inches 237 cm |
| Height (cab) | 116.9 inches 296 cm |
| Operating weight | 16250 lbs 7371 kg |
| Clearance (front axle) | 24.9 inches 63 cm |
| Clearance (rear axle) | 28.1 inches 71 cm |
| Clearance (drawbar) | 15.4 inches 39 cm |
| Rack-and-pinion rear axle | 3.62 by 96 inches 91 by 2438 mm |
| Rack-and-pinion rear axle | 3.62 by 108 inches 91 by 2743 mm |
| Rack-and-pinion rear axle | 3.62 by 118 inches 91 by 2997 mm |
| Rack-and-pinion rear axle | 3.94 by 118 inches 100 by 2997 mm |
| Front tread | 56 to 83.6 inches 142 to 212 cm |
| Front tread | 64 to 95.6 inches 162 to 242 cm |
| Front tread | 72 to 88 inches 182 to 223 cm (4WD) |
| Rear tread | 60 to 105.6 inches 152 to 268 cm |
| Rear tread | 60 to 118 inches 152 to 299 cm |
| Rear tread | 60 to 128.3 inches 152 to 325 cm |
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