John Deere 4630
The John Deere 4630 is a tractor produced by John Deere. It is equipped with a 404 ci 6.6 L engine. The listed engine power is 150.66 hp 112.3 kW. Transmission: John Deere Power Shift. Drive type: 4x2 2WD. Operating weight: 16250 lbs 7371 kg.
Overview
![]() | 1973 - 1977
Generation II SeriesRow-Crop tractor
Generation II Series
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | John Deere |
Row-Crop tractor | |
Built in Waterloo, Iowa, USA | |
Original price was $27,080 in 1977 | |
John Deere 4630 Engine | |
|---|---|
John Deere 6.6L 6-cyl diesel | |
Fuel tank | 65 gal
246.0 L |
Engine details ... | |
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 |
Performance test details ... | |
Mechanical | |
|---|---|
Drive | 4x2 2WD |
4x4 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) |
Dimensions & Tires | |
|---|---|
Wheelbase | 112.65 inches
286 cm |
Weight | 16250 lbs
7371 kg |
Front tire | 10.00-16 |
Rear tire | 18.4-38 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Batteries | 2 |
Battery volts | 6 |
References | |
|---|---|
![]() | |
4230-4430-4630 published in 1974, by John Deere | |
Tractors 80 to 150 hp published in 1975, by John Deere | |
Making you next tractor a John Deere has traditionally been a good investment published in 1975 |
Engine
Engine Detail — 404 ci / 6.6 L Diesel
Manufacturer | John Deere |
Configuration | aftercooled turbocharged diesel, 6-cylinder, 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 |
coolant heater OptOptional | |
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 |
Transmission
Transmission options | |
|---|---|
8-speed partially synchronized | |
16-speed partial power shift | |
8-speed full power shift |
Transmission — John Deere Syncro-Range
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. | |
With 18.4-38 rear tires. | |
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Transmission — John Deere Quad-Range
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. | |
Transmission — John Deere Power Shift
Transmission | John Deere Power Shift |
Type | full power shift |
Gears | 8 forward and 4 reverse |
Clutch | hydraulic wet discs |
With 18.4-38 rear tires. | |
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Dimensions
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 |
Tests
Nebraska Tractor Test 1113 | |
|---|---|
Diesel Power Shift 2WD
October 13 - 24, 1972
Link: Nebraska Tractor Test 1113 file | |
PTO performance | |
Power at rated engine speed | 150.66 hp
112.3 kW |
Fuel use | 9.6 gal/hour
36.3 l/hour |
Drawbar performance | |
Max power | 127.92 hp
95.4 kW |
Fuel use | 9.6 gal/hour
36.3 l/hour |
Gear 4 used for power test. | |
Max pull | 14,478 lbs
6567 kg |
Gear 3 used for pull test. | |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 4630 based on its 150.66 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 5 to 7 Bottom (18")5 - 7 铧 (45 cm) | Commercial / Field Scale | Large acreage tillage; requires front ballast weights. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙 | Commercial / Field Scale | Wide commercial field leveling; requires hydraulic remotes. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 4630.
Estimated Continuous Field Runtime: 8.3 hrs
Approximately 8.3 hours of continuous field operation at ~75% rated power on a full tank (65 gal / 246.1 L).
Engine Crankcase Oil
Transmission & Hydraulic System
Engine Cooling System
John Deere 4630 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 4630.
Converted Equivalents:
Direct Competitor Comparison
Compare John Deere 4630 against same-era industry alternatives in the same horsepower class.
John Deere 4630
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