John Deere 4620
The John Deere 4620 is a tractor produced by John Deere. It is equipped with a 404 ci 6.6 L engine. The listed engine power is 135.76 hp 101.2 kW. Transmission: John Deere Power Shift. Drive type: 4x2 2WD. Operating weight: 12980 to 14930 pounds.
Engine Power
135.76 hp
101.2 kW
Drive & Traction
4x2 2WD
Fuel & Capacities
50 gal
189.2 L
Transmission
John Deere Power Shift
Operating Weight
12980 to 14930 pounds
Overview
 | 1971 - 1972
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | John Deere |
Row-Crop tractor | |
Built in Waterloo, Iowa, USA | |
Total built | 6,928 |
5,045 (Syncro-Range) | |
1,883 (Power Shift) | |
Original price was $15,000 in 1972 | |
John Deere 4620 Engine | |
|---|---|
John Deere 6.6L 6-cyl diesel | |
Engine details ...  |
John Deere 4620 Power | |
|---|---|
PTO (claimed) | 135 hp
100.7 kW |
Drawbar (tested) | 115.75 hp
86.3 kW |
PTO (tested) | 135.76 hp
101.2 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | 4x2 2WD |
4x4 HFWD 4WD | |
Final drives | planetary |
Differential lock | hydro-mechanical rear |
Steering | hydrostatic power |
Hydraulic wet disc brakes | |
Open operator station. Optional two-post Roll-Gard ROPS and canopy. Cab optional. | |
Capacity | |
|---|---|
Fuel | 50 gal
189.2 L |
Hydraulic system | 16 gal (Syncro)
60.6 L |
18 gal (Powershift)
68.1 L | |
Hydraulics | |
|---|---|
Type | closed center |
Capacity | 16 gal (Syncro)
60.6 L |
18 gal (Powershift)
68.1 L | |
Tractor hitch | |
|---|---|
Rear Type | III/II |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 1000 |
Engine RPM | 1000@1900 |
Dimensions & Tires | |
|---|---|
Wheelbase | 106.5 inches
270 cm |
Weight | 12980 to 14930 pounds |
Front tire | 11.00-16 |
Rear tire | 20.8-38 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Batteries | 2 |
Battery volts | 6 |
References | |
|---|---|
 | |
The John Deere 20 Series New Generation Tractors by Benjamin Hain | |
Operator's Manual 4620 Tractor (OM-R48272) published in 1982 |
Engine
Engine Detail — 404 ci / 6.6 L Diesel
Manufacturer | John Deere |
Configuration | intercooled turbocharged diesel, 6-cylinder, liquid-cooled |
Displacement | 404 ci
6.6 L |
Bore/Stroke | 4.25x4.75 inches
108 x 121 mm |
Air cleaner | dry with safety element |
Compression | 16.4:1 |
Rated RPM | 2200 |
Idle RPM | 800-2200 |
Operating RPM | 1500-2200 |
Firing order | 1-5-3-6-2-4 |
Starter volts | 12 |
Oil capacity | 16 qts
15.1 L |
Coolant capacity | 28 qts
26.5 L |
Transmission
Transmission options | |
|---|---|
8-speed partially synchronized | |
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 | 14.75-inch dry disc |
Oil capacity | 64 qts
60.6 L |
 | |
Transmission — John Deere Power Shift
Transmission | John Deere Power Shift |
Type | full power shift |
Gears | 8 forward and 4 reverse |
Clutch | hydraulic wet discs |
Oil capacity | 72 qts
68.1 L |
With 20.8-38 rear tires. | |
 | |
Dimensions
John Deere 4620 Tires | |
|---|---|
Ag front | 11.00-16 |
Ag rear | 20.8-38 |
Ag front | 9.50-20 |
10.00-16 | |
14L-16A | |
14.9-24 (4WD) | |
Ag rear | 18.4-38 |
24.5-32 | |
12.4-42 (duals) | |
15.5-38 (duals) | |
16.9-38 (duals) | |
18.4-38 (duals) | |
20.8-38 (duals) | |
Dimensions | |
|---|---|
Wheelbase | 106.5 inches
270 cm |
Length | 170.7 inches
433 cm |
Width | 95.8 inches
243 cm |
108 inches (long axle)
274 cm | |
118 inches (extra long axle)
299 cm | |
Height | 106 inches
269 cm |
Height (steering wheel) | 87 inches
220 cm |
Clearance (front axle) | 23.8 inches
60 cm |
Clearance (rear axle) | 31.1 inches
78 cm |
29.4 inches (rear housing)
74 cm | |
Clearance (drawbar) | 17.8 inches
45 cm |
Front tread | 56 to 84.8 inches
142 to 215 cm |
Front tread | 64 to 88 inches
162 to 223 cm (wide axle) |
Front tread | 72 to 88 inches
182 to 223 cm (4WD) |
Rear tread | 70 to 100 inches
177 to 254 cm (cast wheels) |
Rear tread | 60 to 107.5 inches
152 to 273 cm (offset wheels) |
Rear tread | 70 to 112 inches
177 to 284 cm (long axle) |
Rear tread | 60 to 120 inches
152 to 304 cm (offset long axle) |
Rear tread | 70 to 122 inches
177 to 309 cm (extra long axle) |
Rear tread | 60 to 130 inches
152 to 330 cm (cast extra long axle) |
John Deere 4620 Weight | |
|---|---|
Shipping | 12980 lbs
5887 kg |
Operating | 14930 lbs
6772 kg |
Ballasted | 18640 lbs
8455 kg |
Tests
Tractor Tests | |
|---|---|
NTTL 1064: diesel PowerShift 2WD | |
NTTL 1073: diesel SyncroRange 2WD |
Nebraska Tractor Test 1064 | |
|---|---|
Diesel PowerShift 2WD
April 20 - May 4, 1971
Link: Nebraska Tractor Test 1064 file | |
PTO performance | |
Power at rated engine speed | 135.62 hp
101.1 kW |
Fuel use | 9.2 gal/hour
34.8 l/hour |
Power at rated PTO speed | 130.79 hp
97.5 kW |
Fuel use | 8.3 gal/hour
31.4 l/hour |
Drawbar performance | |
Max power | 110.92 hp
82.7 kW |
Fuel use | 9.1 gal/hour
34.4 l/hour |
Gear 4 used for power test. | |
Max pull | 14,471 lbs
6564 kg |
Gear 2 used for pull test. | |
Nebraska Tractor Test 1073 | |
|---|---|
Diesel SyncroRange 2WD
June 16 - 22, 1971
Link: Nebraska Tractor Test 1073 file | |
PTO performance | |
Power at rated engine speed | 135.76 hp
101.2 kW |
Fuel use | 9.2 gal/hour
34.8 l/hour |
Power at rated PTO speed | 130.27 hp
97.1 kW |
Fuel use | 8.4 gal/hour
31.8 l/hour |
Drawbar performance | |
Max power | 115.75 hp
86.3 kW |
Fuel use | 9.1 gal/hour
34.4 l/hour |
Gear 4 used for power test. | |
Max pull | 13,916 lbs
6312 kg |
Gear 2 used for pull test. | |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 4620 based on its 135.76 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼 | Heavy Duty | Wide swath pasture and crop residue shredding. |
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 | 5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机 | Heavy Duty | High density baling; requires minimum 85 PTO HP. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 4620.
Estimated Continuous Field Runtime: 7.1 hrs
Approximately 7.1 hours of continuous field operation at ~75% rated power on a full tank (50 gal / 189.3 L).
Estimated 75% Load Fuel Burn~7.1 gal/hr (26.7 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
John Deere 4620 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 4620.
Converted Equivalents:
Horsepower (HP)135.8 hp
Kilowatts (kW)101.2 kW
Metric Horsepower (PS / CV)137.6 PS
Direct Competitor Comparison
Compare John Deere 4620 against same-era industry alternatives in the same horsepower class.
Current Model
John Deere
John Deere 4620
Engine Power:135.76 hp
101.2 kW
★ Baseline Reference
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