John Deere 4620
The John Deere 4620 is a powerful row crop tractor built from 1971 to 1972. It features a 2WD chassis with hydrostatic power steering, making it easy to handle in the fields. The tractor is equipped with a John Deere diesel engine that has 6 cylinders and is intercooled turbocharged. With 135 hp, this tractor offers above-average power for its class. The 4620 comes with a partially synchronized transmission, offering 8 forward gears and 2 reverse gears. It has a three-point hitch (category III) and an independent PTO that can run at 1000 rpm. The tractor's hydraulic system is closed center, and it has hydraulic wet disc brakes for reliable stopping power. At 14,925 lb, it's a heavy-duty machine built to handle tough farm work. The 4620 also offers optional features like a two-post Roll-Gard ROPS with canopy and a differential lock for added safety and traction when needed.

Key specifications
- Category
- Row Crop
- Engine power
- 135hp
- Operating weight
- 14,925 lb
- Transmission
- Partially synchronized
Category comparison
4620 compared with its category
vs. Row Crop medianDistribution
Engine Power (hp)
All recorded Row Crop tractors
This model
The 4620 ranks at the 49th percentile for engine power among recorded row crop tractors.
Overview
About the John Deere 4620
The John Deere 4620 is a powerful row crop tractor built from 1971 to 1972. It features a 2WD chassis with hydrostatic power steering, making it easy to handle in the fields. The tractor is equipped with a John Deere diesel engine that has 6 cylinders and is intercooled turbocharged. With 135 hp, this tractor offers above-average power for its class. The 4620 comes with a partially synchronized transmission, offering 8 forward gears and 2 reverse gears. It has a three-point hitch (category III) and an independent PTO that can run at 1000 rpm. The tractor's hydraulic system is closed center, and it has hydraulic wet disc brakes for reliable stopping power. At 14,925 lb, it's a heavy-duty machine built to handle tough farm work. The 4620 also offers optional features like a two-post Roll-Gard ROPS with canopy and a differential lock for added safety and traction when needed.
Full specifications
Recorded specifications
General
| Manufacturer | John Deere |
|---|---|
| Model | 4620 |
| Category | Row Crop tractor |
| Type | 4x2 2WD |
| Years built | 1971–1972 |
| Operating weight | 14,925lb(6,770 kg) |
Engine
| Make | John Deere |
|---|---|
| Model | John Deere |
| Power | 135hp(100.7 kW) |
| Cylinders | 6 |
| Displacement | 404ci(6.62 L) |
| Bore | 4.25in(107.9 mm) |
| Stroke | 4.75in(120.6 mm) |
Transmission
| Type | Partially synchronized |
|---|---|
| Forward gears | 8 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Hydrostatic power |
| Brakes | Hydraulic wet disc |
| Cab | Open operator station |
Hydraulics
| Type | Closed center |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 1,000rpm |
Dimensions
| Length | 170.5in(4,331 mm) |
|---|---|
| Width | 95.7in(2,431 mm) |
| Height | 105.9in(2,690 mm) |
| Operating weight | 14,925lb(6,770 kg) |
Capacities
| Cooling system | 7gal(26.5 L) |
|---|
Closest alternatives
4620 compared with the nearest models by horsepower
The closest row crop models to the John Deere 4620 by rated horsepower are the John Deere 7420 and the John Deere 7510. The John Deere 7420 matches it on rated power and weighs 1,650 lb less, carrying 98 lb per horsepower against 111 lb. It entered production in 2003, 32 years after the 4620. The John Deere 7510 matches it on rated power. It entered production in 1999, 28 years after the 4620.
| Spec | John Deere 4620 | John Deere 7420 | John Deere 7510 |
|---|---|---|---|
| Engine power | 135 hp100.7 kW | 135 hp100.7 kW | 135 hp100.7 kW |
| Operating weight | 14,925 lb6,770 kg | 13,280 lb6,024 kg | - |
| Weight per hp | 111 lb/hp67 kg/kW | 98 lb/hp60 kg/kW | - |
| Displacement | 404 ci6.62 L | 414 ci6.78 L | 415 ci6.8 L |
| Cylinders | 6 | 6 | 6 |
| Transmission | Partially synchronized | Partial power shift | Fully synchronized / Partial power shift |
| Years built | 1971-1972 | 2003-2007 | 1999-2002 |
Calculators
Calculators for the 4620
PTO power
About 112 to 122 PTO hp
Estimated from the 135 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 135 hp tractor can run
Maximum size is about a 16 ft rotary cutter or a 13.5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
129 lb per PTO hp as listed
Heavy draft work calls for 130 to 150 lb/hp. The calculator gives the ballast to add.
Units
135 hp is 100.7 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
4620 vs. Row Crop median
John Deere 4620 compared with other Row Crop tractors
| Spec | This model | Row Crop median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 135 hp | 138 hp | -2% | 49th |
| Engine Displacement | 404 ci | 391 ci | +3% | 57th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 8 | 16 | -50% | 16th |
| Operating Weight | 14,925 lb | 12,307 lb | +21% | 66th |
| Length | 171 in | 180 in | -5% | 37th |
| Width | 95.7 in | 91.2 in | +5% | 65th |
| Height | 106 in | 114 in | -7% | 27th |
Medians and percentiles are calculated from the row crop tractors in the database that have a recorded value for each specification (sample size 806–1,417 models).
Same manufacturer
Other John Deere models
Other manufacturers
Models with similar horsepower
Gallery
John Deere 4620 photos






FAQ
Frequently asked questions
When was the John Deere 4620 in production?
John Deere 4620 production started in 1971 and ended in 1972.
What hydraulics does the John Deere 4620 have?
The John Deere 4620 uses a Closed center hydraulic system.
What three-point hitch category does the John Deere 4620 use?
The John Deere 4620 has a Category III three-point hitch.
How much horsepower does the John Deere 4620 have?
The John Deere 4620 produces 135 hp from its 6-cylinder engine. Engine displacement is 404 ci.
How much does the John Deere 4620 weigh?
The John Deere 4620 weighs about 14,925 lb in operating condition.
What transmission is in the John Deere 4620?
Transmission on the John Deere 4620 is Partially synchronized, with 8 forward speeds.
What maintenance does the John Deere 4620 require?
The John Deere 4620 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.

