John Deere 2040S

The John Deere 2040S, produced from 1981 to 1987 in Mannheim, Baden-Württemberg, Germany, is a utility tractor that stands out for its robust performance and versatility. With a net engine power of 75 horsepower and claimed PTO power of 66 horsepower, it is well-suited for a wide range of agricultural tasks. This tractor features a 4-cylinder diesel engine with direct injection, ensuring efficient fuel combustion. Its mechanical attributes include either two- or four-wheel drive, power steering, hydraulic disc brakes, and an open operator station (with an optional cab, including the SoundGard 2 Cab after 1981). The John Deere 2040S is known for its reliability and adaptability, making it a valuable asset on the farm.

Production
ManufacturerJohn Deere
TypeUtility tractor
FactoryMannheim, Baden-Württemberg, Germany
John Deere 2040S Power
Engine (net)75 hp (55.9 kW)
PTO (claimed)66 hp (49.2 kW – rated)
Liquid-cooled
Displacement239.2 ci (3.9 L)
Bore/Stroke4.19×4.33 inches (106 x 110 mm)
Fuel systemDirect injection
Air cleanerDry
Compression16.8:1
Rated RPM2500
Torque181.4 lb-ft (246.0 Nm)
Torque RPM1400
Starter volts12
Oil capacity9 qts (8.5 L)
Coolant capacity199 qts (188.3 L)
Transmissions Options
Option8-speed partially synchronized
Option16-speed two-speed power shift
Transmission
TransmissionSynchron
TypePartially synchronized
Gears8 forward and 4 reverse
ClutchDry disc
Oil capacity57.1 qts (54.0 L)
Transmission
TransmissionPower Synchron
TypeTwo-speed power shift
Gears16 forward and 8 reverse
John Deere 2040S Tires
2WDSizes
Front11.2-28
Rear16.9-34
4WDSizes
Ag front7.50-16
Ag rear16.9-34
Dimensions
2WD Wheelbase89.8 inches (228 cm)
4WD Wheelbase90 inches (228 cm)
2WD Length147 inches (373 cm)
4WD Length152 inches (386 cm)
Width81 inches (205 cm)
Height (cab)104 inches (264 cm)
Height (exhaust)110 inches (279 cm)
2WD Shipping weight7365 lbs (3340 kg)
4WD Shipping weight7995 lbs (3626 kg)
2WD Clearance (front axle)26 inches (66 cm)
4WD Clearance (front axle)19 inches (48 cm)
2WD Front tread58 to 79 inches (147 to 200 cm)
4WD Front tread59 to 78 inches (149 to 198 cm)
Rear tread63 to 79 inches (160 to 200 cm)
Mechanical
Chassis4×2 2WD / 4×4 MFWD 4WD
Final drivesPlanetary
Differential lockMechanical rear
SteeringPower
BrakesHydraulic wet disc
CabSoundGard 2 Cab
Transmissions8-speed partially synchronized / 16-speed two-speed power shift
Hydraulics
TypeClosed center
Pressure2466 psi (170.0 bar)
Pump flow12.4 gpm (46.9 lpm)
Rear TypeII/I
ControlLower-link draft control
Rear lift5620 lbs (2549 kg)
Power Take-off (PTO)
Rear PTOIndependent
ClutchHydraulic disc
Rear RPM540 / 540/1000*
Engine RPM540@2400 / 1000@2400
Electrical
GroundNegative
Charging systemAlternator
Charging amps55
Batteries2
Battery volts12
Battery AH66
John Deere 2040S Advantages

Robust Engine: The 2040S boasts a powerful 75 horsepower diesel engine with direct injection, making it suitable for various agricultural tasks, including plowing, planting, and harvesting.
Versatility: This tractor offers versatility with both two- and four-wheel-drive options, allowing farmers to choose the configuration that best suits their needs based on the terrain and tasks at hand.
SoundGard 2 Cab: The availability of the SoundGard 2 Cab (starting in 1981) provides a comfortable and quieter working environment, improving operator comfort during long hours in the field.
Hydraulic Disc Brakes: The hydraulic wet disc brakes ensure efficient and reliable stopping power, enhancing safety during operation.
Closed-Center Hydraulics: The closed-center hydraulic system with a significant pump flow of 12.4 gallons per minute (46.9 liters per minute) offers excellent hydraulic performance for various implements and attachments.

John Deere 2040S Historical Value

The John Deere 2040S holds historical significance as a part of the John Deere utility tractor lineup during the 1980s. It represents an era when tractor technology was advancing rapidly, with a focus on improving engine efficiency and operator comfort. The tractor’s reliability and performance have made it a valuable collector’s item for enthusiasts of vintage agricultural machinery.

John Deere 2040S Disadvantages

Limited Speed Options: The tractor’s transmission options are relatively limited compared to modern tractors, with either an 8-speed partially synchronized or a 16-speed two-speed power shift transmission. This may limit its speed adaptability in certain situations.
Maintenance Requirements: Like many vintage tractors, the 2040S may require regular maintenance and potentially sourcing replacement parts, which can become a challenge as it ages.
Despite its disadvantages, the John Deere 2040S remains a respected and sought-after tractor model in the collector’s market. Its historical value, reliability, and versatility continue to make it a unique and special piece of agricultural machinery.

John Deere 2040 Series models comparison

The John Deere 2040S, John Deere 2040 (1979-1987), and John Deere 2040 (1976-1979) are all utility tractor models produced by John Deere, but they have several differences in terms of specifications and features. Here’s a comparison of these models:

John Deere 2040S (1981-1987):
Power: The John Deere 2040S is equipped with a 75 horsepower (net) engine and a claimed PTO power of 66 horsepower.
Transmission: It features two transmission options, including an 8-speed partially synchronized transmission and a 16-speed two-speed power shift transmission.
Hydraulics: The tractor has a closed-center hydraulic system with a pump flow of 12.4 gallons per minute.
Cabin: The SoundGard 2 Cab was available as an option, providing improved operator comfort and reduced noise.
Electrical System: It has a 12-volt electrical system with 55-amp alternator and two batteries.

John Deere 2040 (1979-1987):
Power: The engine power for this model is 70 horsepower (net), with a claimed PTO power of 61 horsepower.
Transmission: It features an 8-speed partially synchronized transmission.
Hydraulics: The tractor has a closed-center hydraulic system.
Cabin: The cabin was available as an option after 1981, providing additional comfort and protection for the operator.
Electrical System: It uses a 12-volt electrical system with a 55-amp alternator and two batteries.

John Deere 2040 (1976-1979):
Power: The engine power for this model is also 70 horsepower (net), with a claimed PTO power of 61 horsepower.
Transmission: It features an 8-speed partially synchronized transmission.
Hydraulics: Like the 2040 (1979-1987), it has a closed-center hydraulic system.
Cabin: This model did not come with a cabin option, providing an open operator station.
Electrical System: It uses a 12-volt electrical system with a 55-amp alternator and two batteries.

Key Differences:
The John Deere 2040S has a slightly higher engine power and additional transmission options compared to the other two models.
The SoundGard 2 Cab was available as an option on the 2040S, while it was introduced in the 2040 (1979-1987) model after 1981.
The John Deere 2040 (1976-1979) lacks a cabin option, offering an open operator station.
Despite these differences, all three models share a similar engine power and PTO power rating, making them suitable for various utility tractor tasks.
It’s important to note that these models may have variations based on optional features and configurations, so specific specifications may vary within each model.

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