Contents
Dimensions
| Overall Length | 151 in (3830 mm) |
| Overall Width | 89.6 in (2270 mm) |
| Height to Steering Wheel (Row crop) | 77.9 in (1970 mm) |
| Height to Steering Wheel (Standart) | 78.25 in (1980 mm) |
| Height to Exhaust (Row crop) | 88.75 in (2250 mm) |
| Height to Exhaust (Standart) | 88.25 in (2240 mm) |
| Wheelbase (Row crop) | 97.5 in (2470 mm) |
| Wheelbase (Standart) | 100.25 in (2540 mm) |
| Front Tread | 48.5 to 82.25 in (1230 to 2080 mm) |
| Rear Tread (Standart Axle) | 60 to 91 in (1520 to 2310 mm) |
| Rear Tread (Long Axle) | 66 to 97 in (1670 to 2460 mm) |
| Rear Tread (Extra Long Axle) | 67 to 105 in (1700 to 2660 mm) |
| Height of Drawbar w/ Ballast | 20.5 in (521 mm) |
| Height of Drawbar w/o Ballast | 19 in (485 mm) |
Weight
| Ballasted Weight (Diesel / Powershift) | 13980 lb (6341 kg) |
| Shipping Weight (Diesel / Syncro) | 8436 lb (3826 kg) |
| Shipping Weight (Gasoline / Syncro) | 8225 lb (3730 kg) |
| Shipping Weight (LP / Syncro) | 8319 lb (3773 kg) |
| Operating Weight (Diesel / Powershift) | 9560 lb (4336 kg) |
| Operating Weight (Diesel / Syncro) | 8945 lb (4057 kg) |
| Operating Weight (Gasoline / Syncro) | 8645 lb (3921 kg) |
| Operating Weight (Gasoline / Powershift) | 9240 lb (4191 kg) |
Engine Details
| Engine Model | John Deere 6.6L Diesel | John Deere 5.6L Gasoline | John Deere 5.6L LPG |
|---|---|---|---|
| Number Of Cylinders | 6 | 6 | 6 |
| Bore | 4.25 in (108 mm) | 4.25 in (108 mm) | 4.25 in (108 mm) |
| Stroke | 4.75 in (121 mm) | 4.00 in (102 mm) | 4.00 in (102 mm) |
| PTO Horsepower | 91.17 hp (68.0 kw) | 88.09 hp (65.7 kw) | 90.48 hp (67.5 kw) |
| Drawbar Horsepower | 76.36 hp (56.9 kw) | 73.06 hp (54.5 kw) | 75.19 hp (56.1 kw) |
| Power Measured @ | 2200 rpm | 2200 rpm | 2200 rpm |
| Aspiration | Naturally aspirated | Naturally aspirated | Naturally aspirated |
| Compression | 16.4:1 | 7.5:1 | 9.0:1 |
| Air Cleaner | Oil washed wire screen | Oil washed wire screen | Oil washed wire screen |
| Carburetor Size | – | 1.69 in (42.86 mm) | 1.75 in (44.45 mm) |
| Cranking System | 24 V | 12 V | 12 V |
PTO (Power Take-Off)
| PTO Clutch | Hydraulic Disc |
| Rear PTO Speed | 540/1000 |
| Rear PTO Type | Independent |
| Rear PTO/Engine Speed | 540@1900 / 1000@1900 |
| Front PTO Speed | 1000 |
| Front PTO Type | Independent |
| Front PTO/Engine Speed | 1000@1900 |
Transmission
| Model | John Deere SRT | John Deere PST |
|---|---|---|
| Type | Partially synchronized | Full power shift transmission |
| Number Of Forward Gears | 8 | 8 |
| Number Of Reverse Gears | 2 | 4 |
| Max Travel Speed (Forward) | 19.2 mph (30.9 km/h) | 20.5 mph (33 km/h) |
| Max Travel Speed (Reverse) | 5.2 mph (8.4 km/h) | 4.9 mph (7.9 km/h) |
Operational Specs
| Operating Voltage | 12 V / 24 V |
| Alternator | 55 amps |
| Battery | 1x 12 V, 75 Ah / 2x 12 V, 75 Ah |
| Tractor Cab | Open operator station / Cab (optional) |
| Drive | 4×2 2WD / 4×4 HFWD 4WD |
| Differential Lock | Mechanical rear |
| Steering | Power Steering |
| Service Brakes | Differential hydraulic wet disc brakes |
| Front Tire Size (row crop) | 6.00-16 |
| Front Tire Size (standard) | 7.50-18 |
| Rear Tire Size (row crop) | 15.5-38 |
| Rear Tire Size (standard) | 18.4-34 |
Hydraulic System
| Type | Closed center |
| Total Pump Flow | 18 gal/min (68.1 L/min) |
| SCV Flow | 6 gal/min (22.7 L/min) |
| Max System Pressure | 2250 psi (15510 kPa) |
| Remote Control Valves | 1 |
| 3 Point Hitch Category | II |
| 3 Point Hitch Lift Capacity @ 24″ | 3790 lb (1719 kg) |
John Deere 4020 Filters
| Primary Air Filter (Diesel) | AT33363 |
| Primary Air Filter (Gasoline) | AR39798 |
| Primary Air Filter (LPG) | AR44774 |
| Primary Air Filter (w/o Pre-Cleaner) | AR46976 |
| Fuel Filter (Diesel, TSN -200999, ESN -214999) | 2x AR45098 |
| Fuel Filter (Diesel, TSN 201000- , ESN 125000-280000) | 2x AR44077 |
| Fuel Filter (Diesel, TSN 201000- , ESN 280001-) | AR50041 |
| Fuel Filter (Gasoline, ESN 280001-) | AR50141 |
| Engine Oil Filter | AR26350 |
| Engine Oil Filter Sealing Washer | B3586R |
| Hydraulics Filter Element | R27173 |
| Transmission/Hydraulic Oil Filter (SRT – Qty. 1 / PST – Qty. 2) | AR75603 |
| Transmission Oil Filter Sealing Washer (TSN -090999) | R39596 |
| Transmission Oil Filter Sealing Washer (TSN 091000-) | R34733 |
Service Refill Capacities
| Fuel Tank Capacity (Diesel) | 34 gal (128.7 L) |
| Fuel Tank Capacity (Gasoline) | 34 gal (128.7 L) |
| Fuel Tank Capacity (LPG) | 45 gal (170.3 L) |
| Engine Oil Capacity (Diesel) | 3 gal (11.4 L) |
| Engine Oil Capacity (Gasoline) | 2.3 gal (8.5 L) |
| Engine Oil Capacity (LPG) | 2 gal (7.6 L) |
| Cooling System Capacity (Diesel) | 6 gal (23 L) |
| Cooling System Capacity (Gasoline) | 6 gal (23 L) |
| Cooling System Capacity (LPG) | 6 gal (23 L) |
| Transmission / Hydraulic Oil Capacity (SRT) | 9 gal (37.8 L) |
| Transmission / Hydraulic Oil Capacity (PST) | 14 gal (53 L) |
John Deere 4020 Attachments
Here’s a list of attachments commonly used with the John Deere 4020 Row-Crop Tractor:
John Deere 148, 158 Loaders
The John Deere 4020 row-crop tractor is renowned for its versatility and reliability, and when equipped with the right front-end loader, it becomes an even more indispensable tool on the farm or job site.
| Model | 148 Loader | 158 Loader |
|---|---|---|
| Lift Capacity (full at pin) | 3100 lb (1406 kg) | 3800 lb (1723 kg) |
| Breakout Force | 4700 lb (2131 kg) | 5000 lb (2268 kg) |
| Dump Angle | 38° | 37° |
| Reach (dumped) | 32 in (810 mm) | 32 in (810 mm) |
| Height (at pin) | 126 in (3200 mm) | 156 in (3960 mm) |
| Clearance (dumped) | 102 in (2590 mm) | 132 in (3350 mm) |
| Clearance (level) | 121 in (3070 mm) | 151 in (3830 mm) |
| Boom Cylinder Diameter | 2.5 in (60 mm) | 2.75 in (70 mm) |
| Bucket Cylinder Diameter | 2.5 in (60 mm) | 2.5 in (60 mm) |
| Weight | 1350 lb (612 kg) | 1771 lb (803 kg) |
| Bucket Width | 60 in (1520 mm) 72 in (1820 mm) 84 in (2130 mm) 96 in (2430 mm) |
60 in (1520 mm) 72 in (1820 mm) 84 in (2130 mm) 96 in (2430 mm) |
| Bucket Capacity | 0.5 yd3 (0.4 m3) 0.6 yd3 (0.5 m3) 0.8 yd3 (0.6 m3) 0.9 yd3 (0.7 m3) |
0.5 yd3 (0.4 m3) 0.6 yd3 (0.5 m3) 0.8 yd3 (0.6 m3) 0.9 yd3 (0.7 m3) |
Whether it’s loading, lifting, or material handling, these loaders enhance the capabilities of the 4020 tractor, making it a versatile and indispensable asset for any agricultural or industrial operation.
MX7 / MX10 Rotary Cutters
Specifications for the John Deere MX7 and MX10 rotary cutters:
| Rotary Cutter | MX7 | MX10 |
|---|---|---|
| Cutting Width | 84 in | 126 in |
| Cutting Height | 1 to 9.5 in | 1 to 12 |
| Cutting Capacity | 2 in (50 mm) | 2 in (50 mm) |
| Blade Tip Speed (540 RPM) | 16182 fpm (4932 m/min) / 184 mph (296 km/h) | 16275 fpm (4961 m/min) / 185 mph (298 km/h) |
| Holder | Round stump jumper | Round stump jumper |
| Gearcases | Center Continuous 75 hp (56 kw) Center Peak 100 hp (75 kw) |
Transfer Continuous 120 hp (89 kW) Transfer Peak 130 hp (97 kW) Outer Continuous 75 hp (56 kW) Outer Peak 100 hp (75 kW) |
| Driveline | Size (Main) ASAE Category 4 Protection (Main) Slip-clutch driveline |
Size (Main) ASAE Category 4 Protection (Main) Non-seize, slip-clutch driveline, pull-type |
| Hitch Type | Lift-type | Lift-type |
| Tractor PTO Range | Minimum 40 hp (30 kW) | Minimum PTO pull-type, semi-mount 40 hp (30 kW) Minimum PTO lift-type 60 hp (45 kW) |
| Overall Width | 88 in (2242 mm) | 129 in (3280 mm) |
| Overall Length | 126 in (3210 mm) | 159 in (4040 mm) |
| Weight | 1332 lb (605 kg) | 2113 lb (960 kg) |
John Deere 350 Sickle Mower
The John Deere 350 Sickle Mower is another reliable attachment tailored for the John Deere 4020 row-crop tractor, offering superior mowing performance and versatility.
| Cutting Width | 84 in |
| Cutting Height | Adjustable |
| Blade Type | Sickle |
| Blade Material | High-quality steel |
| Hitch Type | Category 1 |
| Number of Blades | 22 |
| Blade Drive | Power take-off (PTO) |
| PTO Speed | 540 rpm |
| Attachment Weight (Approximately) | 300 lb |
Engineered with advanced features and durable components, the 350 Sickle Mower delivers consistent cutting results, making it an essential tool for agricultural operations.
All these attachments expand the functionality of the JD 4020 row-crop tractor, allowing it to perform a wide range of tasks on the farm, construction site, or landscaping project.
Serial Numbers & PIN Location
Tractor serial number plate (PIN) on the rear of the JD 4020 transmission case.
| Year | Serial Number | Year | Serial Number |
|---|---|---|---|
| 1964 | 65000 | 1969 | 201000 |
| 1965 | 91000 | 1970 | 222160 |
| 1966 | 119000 | 1971 | 250000 |
| 1967 | 145660 | 1972 | 260791 |
| 1968 | 173982 | Final | 270288 |
In summary, the John Deere 4020 Row-Crop Tractor was a versatile and dependable workhorse that played a significant role in shaping modern agriculture. Its combination of power, durability, and versatility made it a favorite among farmers and operators alike.
