John Deere 4050 tractor

John Deere 4050

Power

130 hp

Production

1983-1988

Engine

Turbocharged diesel, 6-cylinder

Transmission

John Deere Quad-Range

Weight

12720 lbs (2WD Power Shift) [5769 kg]

Drive

2WD/4WD

From the same series:

4250

Introduction

John Deere 4050 Row-Crop Tractor

Produced between 1983 and 1988 in Waterloo, Iowa, the John Deere 4050 is a row-crop tractor engineered for high-intensity agricultural operations. Rated at 130 horsepower, this model was designed to serve as a versatile platform for both tillage and general field work.

Engine and Performance

The tractor is powered by a 5.9-liter, 6-cylinder turbocharged diesel engine. This liquid-cooled power plant operates at a rated speed of 2200 RPM. The engine configuration uses a 17.8:1 compression ratio and a firing order of 1-5-3-6-2-4, providing consistent torque delivery required for heavy implement operation.

Transmission and Drivetrain

The 4050 offers two transmission choices to suit operational preferences: the Quad-Range, a partial power shift transmission providing 16 forward and 6 reverse gears, and the Power Shift, a full power shift transmission offering 15 forward and 4 reverse gears. Both systems utilize a Perma-Clutch hydraulic wet disc clutch to facilitate power transfer and durability during frequent gear changes.

Hydraulics and Hitch System

Equipped with a closed-center hydraulic system, the tractor delivers a pump flow of 26.5 gpm (100.3 lpm) at a system pressure of 2277 psi. The rear Category II/I hitch features lower-link draft sensing for precise implement control, providing a lift capacity of 6,294 lbs. The independent rear PTO is configurable for 540 or 1000 RPM at rated engine speed.

Operator Environment and Mechanical Features

Standard equipment includes the Sound-Gard cab, which features integrated air-conditioning to improve operator comfort during long field days. The machine is available in both two-wheel and four-wheel drive configurations. Stopping power is managed by hydrostatic wet disc brakes, while steering is assisted by a power steering system.

Conclusion

The John Deere 4050 is a robust, mid-range row-crop tractor characterized by its reliable engine performance and flexible transmission options. It remains a functional choice for farmers seeking a dependable machine capable of handling a wide variety of implements and field conditions.

Production Information of John Deere, 4050

  • Row-Crop tractor
  • Built in Waterloo, Iowa, USA
ManufacturerJohn Deere
Manufacturer(optional)$58,690 (1983 Power Shift Cab 4WD )
Original price$38,931 (1983 Quad-Range ROPS 2WD )

Dimension and Tires Information of John Deere, 4050

Rack-and-pinion rear axle3.375 by 96 inches [85 by 2438 mm]
Wheelbase106.7 inches (2WD) [271 cm]
Width96 inches [243 cm]
Width(optional)164.1 inches (4WD) [416 cm]
Width(optional)105.3 inches (4WD) [267 cm]
Shipping weight11098 lbs [5034 kg]
Shipping weight(optional)113 inches (optional long axle) [287 cm]
Length154.1 inches (2WD) [391 cm]
Rack-and-pinion rear axle3.375 by 113 inches [85 by 2870 mm]
Ground clearance15.75 inches [40 cm]
Operating weight12720 lbs (2WD Power Shift) [5769 kg]
Height114.5 inches [290 cm]
2WD Standard tires (ag)Front: 10.00-16. Rear: 18.4-38
4WD Standard tires (ag)Front: 14.9-26. Rear: 18.4-38

Engine Specifications of John Deere, 4050

  • John Deere
  • Liquid-cooled
  • 6-cylinder
  • Turbocharged diesel
  • The 5.9-liter (359) engine was used in European-market 4050 tractors and appreared on North American models just after the start of the 1986 model year, tractor serial number 006509.
Compression17.8:1
Firing order1-5-3-6-2-4
Displacement359 ci [5.9 L]
Bore/Stroke4.19x4.33 inches [106 x 110 mm]
Rated RPM2200
Rated RPM2200
Coolant capacity21 qts [19.9 L]
Oil capacity18 qts [17.0 L]
Starter volts12

Transmission Information of John Deere, 4050

Transmission variants 1

  • Tractor must be stopped to select one of four ranges. Clutchless power shift between speeds 1-2 and 3-4 in range. A synchronized shift (using clutch) can be made between 2 and 3 in range.
TransmissionJohn Deere Quad-Range
Oil capacity64 qts [60.6 L]
ClutchPerma-Clutch wet disc
TypePartial power shift
Gears16 forward and 6 reverse

Transmission variants 2

  • Optional transmission. Full (clutchless) power shift can be made between gears, forward and reverse.
TransmissionJohn Deere Power Shift
Oil capacity42 qts (2WD) [39.7 L]
ClutchPerma-Clutch wet disc
TypeFull power shift
Type(optional)54 qts (4WD) [51.1 L]
Gears15 forward and 4 reverse
  • 16-speed partial power shift
  • 15-speed full power shift

Mechanical Specs of John Deere, 4050

  • Two- or four-wheel drive
  • Hydrostatic wet disc brakes
  • Power steering
  • Sound-Gard cab standard with air-conditioning. Optional four-post Roll-Gard ROPS.
Final drivesInboard planetary
Differential lockHydraulic rear

Power Information of John Deere, 4050

Rear PTOIndependent
Rear PTO(optional)1000@2200
Engine RPM540@2200
ClutchHydraulic wet disc
Rear PTO Type540/1000 (1.375)

Hydraulics Specifications of John Deere, 4050

Pump flow26.5 gpm [100.3 lpm]
TypeClosed center
Pressure2277 psi [157.0 bar]
Pressure(optional)16.0 gal (Quad-Range) [60.6 L]
Capacity10.5 gal (2WD Power Shift) [39.7 L]
Valves2 to 3
Valves(optional)13.5 gal (4WD Power Shift) [51.1 L]

Three-Point Hitch of John Deere, 4050

Rear TypeII/I
Rear Type(optional)7,418 lbs [3364 kg]
ControlLower-link draft sensing
Rear lift6,294 lbs [2854 kg]

Electrical System of John Deere, 4050

GroundNegative
Batteries2
Batteries(optional)90 (with Sound-Gard cab)
Charging systemAlternator
Battery volts6
Charging amps72

Where it sits

With 130 HP, the John Deere 4050 sits between 4055 (126 HP) and 4250 (144 HP) in John Deere's range. Its power puts it in the 79th percentile of 1980s models in our database (2052 machines).

Frequently asked questions

How much horsepower does the John Deere 4050 have?

The John Deere 4050 delivers 130 HP.

What years was the John Deere 4050 produced?

The John Deere 4050 was produced in 1983-1988.

What engine does the John Deere 4050 have?

The John Deere 4050 is powered by a Turbocharged diesel, 6-cylinder engine.

What transmission does the John Deere 4050 use?

The John Deere 4050 uses a John Deere Quad-Range transmission.

How much does the John Deere 4050 weigh?

The John Deere 4050 weighs 12720 lbs (2WD Power Shift) [5769 kg].

Is the John Deere 4050 4WD?

The John Deere 4050 is available in 2WD/4WD.

Compare the John Deere 4050 with another model