John Deere 6030

The John Deere 6030, a part of the Generation II Series, is a well-regarded row-crop tractor that was in production from 1972 to 1977. Manufactured by John Deere in Waterloo, Iowa, USA, this tractor boasted a total production of 4,028 units, with the majority being turbocharged. Known for its impressive power, the John Deere 6030 offered reliable performance with its six-cylinder, turbocharged intercooled diesel engine.

John Deere 6030 Specs
Year Range1972 – 1977
GenerationII Series
TypeRow-Crop tractor
Production Details
ManufacturerJohn Deere
Built inWaterloo, Iowa, USA
Total Built4,028
-3,983 turbo
-45 natural
Original Price (1977)$29,000
John Deere 6030 Power
Power141 hp (natural)
Drawbar (Tested)148.70 hp
PTO (Tested)175.99 hp
Mechanical Details
Drive TypeTwo-wheel drive
Differential LockHydraulic-actuated
Power SteeringYes
DifferentialHydraulic wet disc brakes
Operator StationOpen (cab optional with air-conditioning available)
John Deere 6030 Engine Specs
Engine ModelJohn Deere
Engine Type4 Cycle, six-cylinder, turbocharged intercooled diesel
Number of Cylinders6
Displacement531 cu in (8.701 L)
Engine Bore4.75 in (121.0 mm)
Engine Stroke5.00 in (127.0 mm)
Rated Engine Power194.0 hp (143.7 kW)
Rated Engine Speed2100 rpm
Compression Ratio15.4:1
Firing Order1-5-3-6-2-4
Air CleanerDual paper elements with aspirator
Fuel Tank Capacity68.0 gal (257.4 L)
Oil Capacity20.0 qts (18.9 L)
Coolant Capacity40.0 qts (37.9 L)
Electrical System Rating12 Volts
Charging SystemAlternator
Alternator Rating55/78 Amps
Power Take-Off (PTO)
Operational TypeIndependent
PTO Horsepower175.3 hp (130.5 kW)
PTO Speed1000 rpm
PTO/Engine Speed1000/2100 rpm
John Deere 6030 Transmission
Transmission TypeSyncro-Range
Gearbox Type8F/2R, Partially synchronized
Number of Forward Gears8
Number of Reverse Gears2
Clutch TypeDry disc
Oil Capacity64.2 qts (60.5 L)
Maximum Forward Speed19.2 mph (30.9 kph)
Maximum Reverse Speed7.6 mph (12.2 kph)
Wheels and Tires
Drive Wheels2WD 4×2
Steering ConfigurationFront steer
Steering SystemPower Steering
Brakes TypeDifferential hydraulic wet disc
Front Tire Size9.5×20
Rear Tire Size20.8×38
Front Tread Width64.5-81.5 in (1630-2070 mm)
Rear Tread Width60-120 in (1520-3040 mm)
Hydraulics and Hitch
Hydraulic System TypeClosed center
Implement Pump Flow22.0 gpm (83.3 Lpm)
Hydraulic Pressure155 Bar (2250 psi)
Hydraulic Capacity16.0 gal (60.5 L)
Number of Standard Remote Valves1/2
3-Point Hitch Category3
Upper Link Pin Diameter1.25 in (31.75 mm)
Upper Link Hole Diameter1.26 in (32.00 mm)
Lower Link Pin Diameter1.44 in (36.58 mm)
Lower Link Hole Diameter1.47 in (37.34 mm)
Dimensions and Weight
Wheelbase104 in (2640 mm)
Length173.1 in (4380 mm)
Overall Width96 in (2430 mm)
Ground Clearance16 in (400 mm)
Turning Radius156 in (3950 mm)
Operating Weight18,180 lb (8,250 kg)
John Deere 6030 overview

The John Deere 6030, a member of the Generation II Series, is a noteworthy row-crop tractor that left a lasting impact on the agricultural industry during its production from 1972 to 1977. This robust machine, with its specifications and features, garnered both acclaim and criticism from tractor experts.
Specifications: The heart of the John Deere 6030 is its 6-cylinder, turbocharged intercooled diesel engine, delivering a claimed 175 horsepower when equipped with a turbo. It featured a Syncro-Range transmission with 8 forward and 2 reverse gears, along with power steering for ease of operation. The tractor also boasted a closed-center hydraulic system, allowing for a maximum hydraulic capacity of 16.0 gallons. Safety-wise, it came with hydraulic wet disc brakes and an optional cab with air-conditioning for operator comfort.

Advantages: The John Deere 6030 was celebrated for its impressive power output, making it well-suited for a wide range of agricultural tasks, from plowing to heavy-duty hauling. Its turbocharged engine allowed it to handle demanding workloads efficiently. Additionally, the availability of a cab with air-conditioning provided comfort during long hours in the field.

Disadvantages: However, like any piece of machinery, the John Deere 6030 had its drawbacks. Some experts noted that its fuel consumption could be relatively high, particularly under heavy load conditions. The tractor’s size and weight made it less maneuverable than smaller models, which could be a limitation in tight spaces or on smaller farms.

Safety Features: Safety was a priority with the John Deere 6030. Its hydraulic wet disc brakes provided effective stopping power, and power steering enhanced control, reducing the risk of accidents during operation. The availability of an optional cab with air-conditioning not only improved operator comfort but also provided protection from adverse weather conditions.

Other Features: The tractor’s open operator station, when not equipped with a cab, allowed for excellent visibility, crucial for precision work in the field. Its 3-point hitch system, rated as Category 3, made it versatile for various implements and attachments. The John Deere 6030’s large fuel and oil capacities contributed to its ability to handle long working hours without frequent refueling or maintenance stops.

Common Problems: Over the years, some common issues emerged with the John Deere 6030. These included hydraulic system leaks, especially in older models, which required periodic inspection and maintenance. Additionally, as with any vintage tractor, finding replacement parts can be a challenge, and wear and tear on the engine and transmission could necessitate costly repairs.

John Deere 6030, with its impressive power, versatility, and safety features, was a notable tractor in its time. While it had its share of advantages and disadvantages, it played a crucial role in the agricultural sector, and many farmers and operators fondly remember its contributions to their work in the fields.


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