John Deere 4020 Specs & Attachments

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.

John Deere 4020 Row-Crop Tractor

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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 Specs

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.

John Deere 4020 6.6L Diesel Engine Specs

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.

John Deere 158 Loader Specs

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

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:

John Deere MX Series 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

Bush Hog BH5 Rotary Cutter Specs

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

Woods BW180X Rotary Cutter Specs

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

Land Pride RCR1860 and RCR1872 Specs

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

King Kutter L-60-40-P Rotary Cutter Specs

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 Rotary Cutter Specs

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

Frontier RT22 / RT23 Series Specs

 

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.

John Deere Post Hole Digger

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.

John Deere 350 Sickle Mower

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

John Deere 4020 PIN Serial Number 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.

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