- John Deere 4020 Variants
- John Deere 4020 Tractor Specs
- 4020’s Engine Options
- John Deere 4020 Attachments
- John Deere 48, 148, 158 Loaders
- Frontier RC2084 Rotary Cutter
- JD MX6 / MX7 / MX8 / MX10 / E12 (FC12E) Cutters
- Bush Hog BH5 Rotary Cutter
- Woods BW180X Rotary Cutter
- Land Pride RCR1860 & RCR1872 Rotary Cutters
- King Kutter L-60-40-P Rotary Cutter
- Titan Attachments PRORC Rotary Cutter
- Frontier RT22 / RT23 Series Rotary Tillers
- John Deere Post Hole Digger
- John Deere 350 Sickle Mower
- JD 4020 Operator Manuals & References
- JD 4020 Serial Numbers & PIN Location
The John Deere 4020 Row-Crop Tractor, produced from 1963 to 1972, stands as a testament to John Deere’s commitment to innovation and durability. Available in various configurations including the standard, the row-crop, the high-crop, and the industrial John Deere 600 model based on the 4020 platform, this tractor was a versatile workhorse in the agricultural and industrial sectors.
With its powerful engine and robust build, the 4020 was well-suited for a wide range of tasks on the farm. This made it suitable for various field operations, including plowing, planting, and harvesting. Built to withstand the rigors of daily use, the 4020 boasted a sturdy construction that could endure long hours in the field without compromising performance. The availability of different configurations allowed farmers to choose the model that best suited their specific needs. Whether it was standard row-crop farming, high-crop applications, or industrial tasks, the 4020 could adapt to various environments. The John Deere 4020 has left a lasting legacy in the agricultural industry, earning a reputation for reliability and performance. Many farmers and collectors still cherish these tractors today for their timeless design and enduring value.
John Deere 4020 Variants
Introducing the versatile lineup of John Deere 4020 Tractor variants, designed to meet diverse agricultural / industrial needs:
- JD 4020 (Row-Crop): The standard row-crop version of the 4020 Tractor, designed for typical agricultural applications with adjustable front and rear axles to accommodate various row widths.
- JD 4020S (Standard): The standard variant of the 4020 Tractor, built for general-purpose use in farming and other applications, featuring standard configurations and specifications.
- JD 4020HC (High-Crop): The high-crop variant of the 4020 Tractor, specially designed with increased ground clearance to navigate tall crops or rough terrain, ideal for specialized agricultural needs.
- John Deere 600 (Industrial): The industrial variant of the JD 4020 Tractor, adapted for heavy-duty industrial applications such as construction, material handling, and other non-agricultural tasks, featuring rugged construction and specialized attachments.
John Deere 4020 Tractor Specs
Renowned for its robust performance and adaptability, the JD 4020 boasts a range of specifications that have made it a staple on farms worldwide. From its powerful engine options to its efficient drivetrain and hydraulic systems, the 4020 embodies the commitment to quality and innovation that defines the John Deere brand. Let’s delve into the key specs that have cemented the 4020’s legacy as an iconic workhorse in the realm of agricultural equipment.
| Specification | Value |
|---|---|
| Engine Type | 6-cylinder 12-valve liquid-cooled inline |
| Fuel Type | Diesel |
| Displacement | 404 ci (6.6 L) |
| Bore/Stroke | 4.25×4.75 inches (108 x 121 mm) |
| Compression Ratio | 16.5:1 |
| Rated | 2200 RPM |
| Idle | 600-2500 RPM |
| Operating | 1500-2200 RPM |
| Firing order | 1-5-3-6-2-4 |
| Starter | 24 Volts |
| Coolant capacity | 24 qts (22.7 L) |
| Intake valve clearance | 0.018 inches (0.457 mm) |
| Exhaust valve clearance | 0.018 inches (0.457 mm) |
| Power | |
| Drawbar (tested) | 83.79 hp (62.5 kW) |
| PTO (tested) | 95.83 hp (71.5 kW) |
| Mechanical | |
| Drive | 4×2 2WD |
| Differential lock | Mechanical rear Opt |
| Power steering | Yes |
| Hydraulic wet disc brakes | Yes |
| Operator station | Open, Cab optional |
| Capacity | |
| Gasoline Fuel | 34 gal (128.7 L) |
| Diesel Fuel | 34 gal (128.7 L) |
| LP-gas Fuel | 45 gal (170.3 L) |
| Syncro-Range Hydraulic system | 10 gal (37.9 L) |
| Power Shift Hydraulic system | 12 gal (45.4 L) |
| Hydraulics | |
| Type | Closed center |
| Syncro-Range Capacity | 10 gal (37.9 L) |
| Power Shift Capacity | 12 gal (45.4 L) |
| Pressure | 2250 psi (155.1 bar) |
| Valves | 1 |
| SCV flow | 6 gpm (22.7 lpm) |
| Total flow | 18 gpm (early), 68.1 lpm |
| Tractor Hitch | |
| Rear Type | II |
| Rear lift | 3790 lbs (1719 kg) |
| John Deere 4020 Power Take-off (PTO) | |
| Rear PTO | Independent |
| Rear PTO Type | 540/1000 (1.375), 1000 (1.375) |
| Rear PTO Engine RPM | 540@1900, 1000@1900 |
| Front PTO | Independent |
| Front PTO Type | 1000 |
| Front PTO Engine RPM | 1000@1900 |
| Electrical | |
| Ground | Positive (1964-1969), Negative (1969-1972), Floating (24V) |
| Charging system | Motorola alternator |
| Charging amps | 55 |
| Batteries | 2 (24V system), 1 (12V system) |
| Battery volts | 12 |
| Battery AH | 75 |
| John Deere 4020 Dimensions, Weight & Tires | |
| Row crop Wheelbase | 97.5 inches (247 cm) |
| Standard Wheelbase | 100.25 inches (254 cm) |
| Weight | 8225 to 9560 pounds |
| Front tire | 6.00-16 |
| Rear tire | 15.5-38 |
These specs provide a comprehensive overview of the John Deere 4020 Tractor, covering its engine, transmission, power, mechanical features, dimensions, and weight.
4020’s Engine Options
The John Deere 4020 tractor was offered with several engine variants, including 6.6L 6-cylinder diesel, 5.6L 6-cylinder gasoline, 5.9L 6-cylinder gasoline, and 5.9L 6-cylinder LP gas engines.
Each variant provided different power and performance characteristics to suit various agricultural tasks and operator preferences.
| Specification | JD 6.6L 6-cyl diesel | JD 5.6L 6-cyl gasoline | JD 5.9L 6-cyl gasoline | JD 5.9L 6-cyl LP gas |
|---|---|---|---|---|
| Fuel Type | Diesel | Gasoline | Gasoline | LP gas |
| Engine Type | 6-cylinder 12-valve liquid-cooled inline | 6-cylinder 12-valve liquid-cooled inline | 6-cylinder 12-valve liquid-cooled inline | 6-cylinder 12-valve liquid-cooled inline |
| Displacement | 404 ci (6.6 L) | 340 ci (5.6 L) | 362 ci (5.9 L) | 362 ci (5.9 L) |
| Bore/Stroke | 4.25×4.75 inches (108 x 121 mm) | 4.25×4.00 inches (108 x 102 mm) | 4.25×4.25 inches (108 x 108 mm) | 4.25×4.25 inches (108 x 108 mm) |
| Compression Ratio | 16.5:1 | 7.5:1 | 7.5:1 | 9.0:1 |
| Rated | 2200 RPM | 2200 RPM | 2200 RPM | 2200 RPM |
| Idle | 600-2500 RPM | 650-2500 RPM | N/A | N/A |
| Operating | 1500-2200 RPM | 1500-2200 RPM | N/A | N/A |
| Firing order | 1-5-3-6-2-4 | 1-5-3-6-2-4 | 1-5-3-6-2-4 | 1-5-3-6-2-4 |
| Starter | 24 Volts | 12 Volts | 12 Volts | 12 Volts |
| Coolant capacity | 24 qts (22.7 L) | 24 qts (22.7 L) | 24 qts (22.7 L) | 24 qts (22.7 L) |
| Intake valve clearance | 0.018 inches (0.457 mm) | 0.015 inches (0.381 mm) | N/A | N/A |
| Exhaust valve clearance | 0.018 inches (0.457 mm) | 0.028 inches (0.711 mm) | N/A | N/A |
| Sparkplug gap | N/A | 0.025 inches (0.635 mm) | N/A | N/A |
| Point gap | N/A | 0.016 inches (0.406 mm) | N/A | N/A |
John Deere 4020 Attachments
Here’s a list of attachments commonly used with the John Deere 4020 Row-Crop Tractor:
John Deere 48, 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.
Three popular options for loaders compatible with the 4020 tractor are the John Deere 48, 148, and 158 models.
| Specification | 48 Loader | 148 Loader | 158 Loader |
|---|---|---|---|
| Lift Capacity (full at pin) | 2400 lbs (1088 kg) | 3100 lbs (1406 kg) | 3800 lbs (1723 kg) |
| Breakout Force | 3600 lbs (1632 kg) | 4700 lbs (2131 kg) | 5000 lbs (2268 kg) |
| Dump Angle | 39° | 38° | 37° |
| Reach (dumped) | 26 in. (66 cm) | 32 in. (81 cm) | 32 in. (81 cm) |
| Height (at pin) | 126 in. (320 cm) | 126 in. (320 cm) | 156 in. (396 cm) |
| Clearance (dumped) | 104 in. (264 cm) | 102 in. (259 cm) | 132 in. (335 cm) |
| Clearance (level) | – | 121 in. (307 cm) | 151 in. (383 cm) |
| Boom Cylinder Diameter | – | 2.5 in. (6 cm) | 2.75 in. (6 cm) |
| Bucket Cylinder Diameter | – | 2.5 in. (6 cm) | 2.5 in. (6 cm) |
| Weight | 1220 lbs (553 kg) | 1350 lbs (612 kg) | 1771 lbs (803 kg) |
| Bucket Width | 60 in. (152 cm) 72 in. (182 cm) |
60 in. (152 cm) 72 in. (182 cm) 84 in. (213 cm) 96 in. (243 cm) |
60 in. (152 cm) 72 in. (182 cm) 84 in. (213 cm) |
| Bucket Capacity | – | 0.5 cu yd (0.4 m3) 0.6 cu yd (0.5 m3) 0.8 cu yd (0.6 m3) 0.9 cu yd (0.7 m3) |
0.5 cu yd (0.4 m3) 0.6 cu yd (0.5 m3) 0.8 cu yd (0.6 m3) 0.9 cu yd (0.7 m3) |
All three loaders feature durable construction, hydraulic operation, and compatibility with the John Deere 4020 row-crop tractor, ensuring seamless integration and optimal performance. 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.
Frontier RC2084 Rotary Cutter
| Specification | Value |
|---|---|
| Cutting Width | 84 in. (2134 mm) |
| Cutting Height | 1.75 – 11 in. (44.45 – 279.4 mm) |
| Brush Cutting Capacity | 0 to 1 in. (o to 25 mm) |
| Cutting Chamber Depth | 9.75 in. (248 mm) |
| Tractor PTO HP Range | 45 – 90 |
| Tractor PTO | 540 |
| Hitch | Lift-Type 2, Cat. 2 Quick-Hitch Compatible |
| Overall Width | 88 in. (2235 mm) |
| Overall Length | 124 in. (3150 mm) |
| Approx. Weight | 1,100 lb. (449 kg) |
| Deck Thickness | 10 gauge (3.4 mm) |
| Skirt Thickness | 10 gauge (3.4 mm) |
| Driveline Protection | Slip Clutch |
| Gear Case Power Rating | 90 |
| Blades | Heat Treated, Suction |
| Blade Tip Speed | 14,380 ft./min (73 m/s) |
| Blade Holder | Round Pan-Type |
| Laminated Tire | 15 (381), 3.75 (92.25) |
| Front Deflector | Foot Guard / Belting or Chain |
| Rear Deflector | Metal or Chain |
JD MX6 / MX7 / MX8 / MX10 / E12 (FC12E) Cutters
Specifications for the JD MX7, MX8, MX10, and E12 rotary cutters:
| Specification | MX7 | MX8 | MX10 | E12 / FC12E |
|---|---|---|---|---|
| Cutting Width | 84 in. | 96 in. | 126 in. | 144 in (12 ft.) |
| Cutting Height | 1 to 9.5 in. | 1 to 12 | 1 to 12 | 1 to 16 |
| Cutting Capacity | 2 in. (50 mm) | 2 in. (50 mm) | 2 in. (50 mm) | 2 in. (50 mm) |
| Blade tip speed (540 RPM) | 4,932 m/min / 16,182 fpm (296 km/h / 184 mph) | 4,797 m/min / 15,739 fpm (288 km/h / 179 mph) | 4,961 m/min / 16,275 fpm (298 km/h / 185 mph) | 5196 m/min / 17047,24 fpm (311 km/h / 193 mph) |
| Holder | Round stump jumper | Round stump jumper | Round stump jumper | Round stump jumper |
| Gearcases | Center Continuous 56 kW (75 hp) Center Peak 75 kW (100 hp) |
Transfer Continuous 89 kW (120 hp) Transfer Peak 97 kW (130 hp) Outer Continuous 56 kW (75 hp) OuterPeak 75 kW (100 hp) |
Transfer Continuous 89 kW (120 hp) Transfer Peak 97 kW (130 hp) Outer Continuous 56 kW (75 hp) Outer Peak 75 kW (100 hp) |
Transfer Continuous: 186 kW (250 hp) Transfer Peak: 224 kW (300 hp) Center Continuous: 56 kW (75 hp) Center Peak: 75 kW (100 hp) Outer Continuous: 56 kW (75 hp) Outer Peak: 75 kW (100 hp) |
| 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 has equal-angle Category 4 driveline |
Size (Main) ASAE Category 4 Protection (Main) Non-seize, slip-clutch driveline, pull-type has equal-angle Category 4 driveline |
Size (Main) CV ASAE Category 4, splined telescoping profiles |
| Hitch Type | Lift-type | Lift-type | Lift-type | Standard self-level hitch clevis with 57.2-cm (22.5-in.) narrow-profile width |
| Tractor PTO HP range | Minimum 30 kW 40 hp | Minimum PTO pull-type, semi-mount, semi-mount hydraulic offset 30 kW (40 hp) Minium PTO lift-type 37 kW (50 hp) |
Minimum PTO pull-type, semi-mount, semi-mount hydraulic offset 30 kW (40 hp) Minimum PTO lift-type 45 kW (60 hp) |
Minimum 30 kW 40 hp |
| Overall width | 88 in. (2,242 mm) | 102 in. (2,580 mm) | 129 in. (3,280 mm) | 149 in. (3,800 mm ) |
| Overall length | 126 in. (3,210 mm) | 111 in. (2,810 mm) | 159 in. (4,040 mm) | 188 in. (4,800 mm ) |
| Weight | 1,332 lb (605 kg) | 1,670 lb (759 kg) | 2,113 lb (960 kg) | 3580 lb (1623 kg) |
Bush Hog BH5 Rotary Cutter
| Specification | Value |
|---|---|
| Cutting Width | 60 in. |
| Cutting Height | 2 in. |
| Weights | 491 lbs. Approx. |
| Blade Tip Speed | 15,497 FPM |
| Drivetrain | ASAE Cat. 3 / Protection: Shearbolt or Slipclutch |
| Tractor HP Range Minimum | 20HP |
| Gearbox | 60 HP |
| PTO Power, Rated Engine Speed | 540 RPM |
| Chassis | Side Bands: “C” Channel, 10-gauge x 8-inches |
| Deck Thickness | 12 Gauge |
| Hitch/Type | 3-Point Lift, ASAE Cat. 1 Standard |
| Deflector Shield | Front: Rubber, Rear: Metal Band |
| Wheels & Tires | Rear Tires Specification: Laminated |
Woods BW180X Rotary Cutter
| Specification | Value |
|---|---|
| Tractor PTO HP Range | 45-160 hp |
| Side Frame Depth | 13 in. |
| Cutting Swath | 180 in. |
| Cutting Height | 2 to 15 in. |
| Cutting Capacity Diameter | 2.5 in. |
| Hitch | Clevis |
| Overall Width | 190 in. |
| Overall Length | 205 in. |
| Deck Type | Smooth, Sloped |
| Deck Thickness | 0.135 in. |
| Side Frame Thickness | 0.25 in. |
| Hinge Rod Diameter | 1 in. (full length) |
| Weight | 3,950 lbs |
| Tongue Weight | 1,380 lbs |
| Main Driveline Rating | Cat 6 CV or Cat 5 Heavy 3 Joint |
| Blade Type | 0.5″ x 4″ Quick Change Blade Pins, High-Lift Flat or Shredder |
| Blade Tip Speed (540 RPM) | 15,000 fpm |
| Blade Tip Speed (1,000 RPM) | 16,000 fpm |
| Splitter/Spindle Gearbox | 160/120 hp |
| Stump Jumper Type | Standard Round-Welded |
| Material Flow System | Fully Baffled Deck |
| Wheel Type | 15″ Rims, 21″ Laminated |
Land Pride RCR1860 & RCR1872 Rotary Cutters
| Specification | RCR1860 | RCR1872 |
|---|---|---|
| Implement Weight | 599 lbs. | 737 lbs. |
| Hitch | Category 1 with floating clevis top link, Quick-Hitch ready | Category 1 with floating clevis top link, Quick-Hitch ready |
| Cutting Width | 60″ | 72″ |
| Overall Width | 65″ | 77″ |
| Overall Length | 99 3/8″ | 110″ |
| Deck Height (Bottom of Deck to Bottom of Skid Shoe) | 7 1/2″ | 9″ |
| Cutting Height | 1 1/2″ – 13″ | 1 1/2″ to 11 1/2″ |
| Cutting Capacity | 2″ Diameter | 2″ Diameter |
| Recommended Tractor Horsepower | 20-65 horsepower | 20-65 horsepower |
| Power Take-Off Speed | 540 rpm | 540 rpm |
| Gearbox | 1:1.93 Speed-up beveled gears Cast iron housing | 1:1.46 Speed-up beveled gears Cast iron housing |
| Gearbox Oil Capacity & Lubricant | 4.5 Pints of EP 80-90W oil | 4 Pints of EP 80-90W oil |
| Deck Material Thickness | 10 Ga. (.134″) | 10 Ga. (.134″) |
| Side Skirt Material Thickness | 10 Ga. (.134″) | 10 Ga. (.134″) |
| Deck Construction | All welded deck | All welded deck |
| Skid Construction | Full length welded on | Full length welded on |
| Stump Jumper | Round pan 10 ga. x 24″ with blade holder bar | Round pan 10 ga. x 24″ with blade holder bar |
| Blades | (2) 1/2″ x 3″ Heat treated alloy steel Free-swinging high lift – low friction | (2) 1/2″ x 3″ Heat treated alloy steel Free-swinging high lift – low friction |
| Blade Bolts | Keyed with harden flat washers & lock nuts. | Keyed with harden flat washers & lock nuts. |
| Blade Tip Speed | 16,363 FPM | 14,955 FPM |
| Driveline | ASAE Category 3 shearbolt or 2-plate slip-clutch | ASAE Category 3 shearbolt or 2-plate slip-clutch |
| Driveline Protection | Optional – Center shearbolt protection | Optional – Center bolt 2 plate slip clutch |
| Tailwheel Mount Assembly | Welded A-arm and caster fork with 360 degree swivel | Welded A-arm and caster fork with 360 degree swivel |
| Tailwheel | 4″ x 8″ x 15″ Laminated tire with cast iron hub or 4″ x 16″ molded rubber tire | 4″ x 8″ x 15″ Laminated tire with cast iron hub or 4″ x 16″ molded rubber tire |
| Front Guard | Optional: Rubber Belting Accessory: Chain Guard | Optional: Rubber Belting Accessory: Chain Guard |
| Rear Guard | Standard: Metal Band Optional: Rubber Belting Accessory: Chain Guard | Standard: Metal Band Optional: Rubber Belting Accessory: Chain Guard |
King Kutter L-60-40-P Rotary Cutter
| Specification | Value |
|---|---|
| Cutting Width | 60 in |
| Hitch Type | 3-Point |
| Max. Horsepower | 40 |
| Min. Cutting Height | 2 in |
| Max. Cutting Height | 8 in |
Titan Attachments PRORC Rotary Cutter
Titan Attachments PRORC 3 Point PRO rotary cutter (available in two sizes, ideal for cutting grass, stalks, and dense brush) specifications
| Specification | Value |
|---|---|
| Cutting Height | 1.2 to 12 in. |
| Cutting Width | 58 in. / 68 in. |
| Cutting Capacity | 2 in. |
| Overall Width | 65.5 in. / 77.4 in. |
| Overall Depth | 100 in. / 115 in. |
| Deck Height | 10 in. |
| Blade Length | 20.7 in. / 26.14 in. |
| Blade Width | 4 in. |
| Blade Thickness | 0.5 in. |
| Skid Thickness | 0.25 in. |
| Gearbox Rating | 75 HP |
| Tractor Power | 25-90 HP |
| PTO Speed | 540 RPM |
| PTO Type | Slip Clutch PTO |
| Finish | Powder-Coated Charcoal / Orange |
| Material | 8 Gauge Steel |
| Weight | 815 lb. / 935 lb. |
For expert guidance in selecting the right rotary cutter for your needs, consult your exclusive source of your local John Deere dealer.
Frontier RT22 / RT23 Series Rotary Tillers
Here’s the table with the key specs for Frontier RT22 / RT23 Series Rotary Tillers:
| Specification | RT22 Series | RT23 Series |
|---|---|---|
| Working Width | 83 in. (2108 mm) | 102 in. (2591 mm) |
| Tractor Horsepower | 45 kW (60 hp) to 75 kW (100 hp) | 60 kW (80 hp) to 97 kW (130 hp) |
| Hitch Type | 3-point compatible Category 2 / Quick coupler (Cat. 2) | 3-point compatible Category 2 / Quick coupler (Cat. 2) |
| Drive Type | Gear | Gear |
| PTO speed rpm | 540 rpm | 540 rpm |
| Blade Shape | L-shape | L-shape |
| Blades (quantity) | 6 | 6 |
| Maximum working depth | 10.6 in. (27 cm) | 10.6 in. (27 cm) |
| PTO shaft | Clutch type Friction | Clutch type Friction |
| Weight (with skid shoes) | 1,719 lb (779.7 kg) | 1,970 lb (893.6 kg) |
Whether cultivating vegetable gardens, preparing seedbeds for crops, or maintaining landscaping areas, this rototillers offers versatility and efficiency, enabling operators to achieve superior results with minimal effort.
John Deere Post Hole Digger
The JD Post Hole Digger features a robust frame and high-quality components, ensuring reliable performance even in challenging soil conditions.
Equipped with rugged augers and a powerful gearbox, it effortlessly cuts through soil, creating clean and precise holes with minimal effort.
- Gearbox – Heavy-duty gearbox
- Construction – Sturdy steel
- Mounting – Three-point hitch
- Operation – Hand-operated lever
- Application – Digging post holes for fences, signs, trees, etc.
Designed for seamless compatibility with the John Deere Tractor, this Post Hole Digger offers quick and hassle-free attachment, ensuring optimal performance and reliability when tackling various digging tasks. Whether used in agriculture, landscaping, or construction projects, this post hole digger delivers consistent results and exceptional versatility, making it a valuable addition to any equipment lineup.
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.
Engineered with advanced features and durable components, the 350 Sickle Mower delivers consistent cutting results, making it an essential tool for agricultural operations.
| Specification | Value |
|---|---|
| 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 |
| Weight (Approx.) | 300 lbs |
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.
JD 4020 Operator Manuals & References
- The John Deere 20 Series New Generation Tractors by Benjamin Hain
- Designing the New Generation John Deere Tractors by Merle Miller
- 2510, 3020, 4020 Row-crop Tractors published in 1965, by John Deere
- John Deere Tractors for 68 published in 1968
- Standard and 4-Wheel-Drive Tractors: 70 to 280 HP published in 1970, by John Deere
- Modern Farming published in 1965, by John Deere
- Operator’s Manual 4000 and 4020 (OM-R46934) published in 1969
- Operator’s Manual 4000 and 4020 (OM-R48273) published in 1971
- Operator’s Manual 4020 (OM-R34410) published in 1963
- Operator’s Manual 4020 (OM-R39669) published in 1965
- Operator’s Manual 4020 (OM-R41754) published in 1969
- Operator’s Manual 4020 (OM-R44920) published in 1969
JD 4020 Serial Numbers & PIN Location
Tractor serial number plate (PIN) on the rear of the JD 4020 transmission case.
- 1964 – 65000
- 1965 – 91000
- 1966 – 119000
- 1967 – 145660
- 1968 – 173982
- 1969 – 201000
- 1970 – 222160
- 1971 – 250000
- 1972 – 260791
- 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.
