John Deere 4650 tractor

John Deere 4650

Power

187 hp

Production

1983-1988

Engine

Intercooled turbocharged diesel, 6-cylinder

Transmission

John Deere Quad-Range

Weight

18,585 lbs (2WD Power Shift) [8430 kg]

Drive

2WD/4WD

From the same series:

4450
4850

Introduction

John Deere 4650 Row-Crop Tractor

The John Deere 4650 is a high-horsepower row-crop tractor produced between 1983 and 1988 in Waterloo, Iowa. As part of the 50-series line, it was designed to provide significant tractive power for heavy-duty field operations, featuring both two-wheel drive and four-wheel drive configurations.

Engine and Performance

The tractor is equipped with a 6-cylinder, liquid-cooled, intercooled turbocharged diesel engine with a displacement of 466 cubic inches (7.6 liters). It delivers a rated power output of 187.7 horsepower at 2200 RPM. The engine features a 15.8:1 compression ratio and uses a dry-type air cleaner to ensure longevity under demanding agricultural conditions.

Transmission Systems

Operators have access to two transmission options: the John Deere Quad-Range, which offers 16 forward and 6 reverse gears with partial power shift capability, or the full Power Shift transmission, providing 15 forward and 4 reverse gears. Both systems utilize a hydraulic wet disc Perma-Clutch to facilitate smooth gear transitions.

Hydraulics and Hitch

The 4650 features a closed-center hydraulic system with a pump flow capacity of 29.5 gallons per minute at 2277 psi. The rear Category III hitch includes lower-link draft sensing, supporting a lift capacity of 8,475 pounds, which allows for the efficient operation of heavy implements.

Operator Environment and Chassis

The tractor comes standard with the Sound-Gard cab, designed to reduce noise and improve operator comfort. Mechanically, the unit is supported by hydraulic wet disc brakes, power steering, and a rack-and-pinion rear axle configuration. The 2WD model has a wheelbase of 118.5 inches, while the 4WD variant features a 117.1-inch wheelbase.

Conclusion

The John Deere 4650 represents a robust solution for large-scale farming applications requiring high torque and consistent hydraulic performance. Its combination of versatile transmission options and durable chassis design makes it a reliable asset for heavy tillage and heavy-duty draft work.

Production Information of John Deere, 4650

  • Row-Crop tractor
  • Built in Waterloo, Iowa, USA
ManufacturerJohn Deere
Manufacturer(optional)$76,006 (1983 Power Shift Cab 4WD )
Original price$54,763 (1983 Quad-Range ROPS 2WD )

Dimension and Tires Information of John Deere, 4650

2WD Wheelbase118.5 inches [300 cm]
2WD Wheelbase(optional)184.8 inches (4WD) [469 cm]
Height117.8 inches [299 cm]
Length179.7 inches (2WD) [456 cm]
Ground clearance14.92 inches [37 cm]
4WD Wheelbase117.1 inches [297 cm]
Width118 inches (standard axle) [299 cm]
Width(optional)96 inches (optional axle) [243 cm]
Width(optional)108 inches (optional axle) [274 cm]
Operating weight18,585 lbs (2WD Power Shift) [8430 kg]
Shipping weight16,685 lbs [7568 kg]
Rack-and-pinion rear axle3.94 by 118 inches [100 by 2997 mm]
Rack-and-pinion rear axle3.94 by 108 inches [100 by 2743 mm]
Rack-and-pinion rear axle3.94 by 96 inches [100 by 2438 mm]
2WD Standard tires (ag)Front: 11.00-16. Rear: 20.8-38
2WD Standard tires (ag)(optional)18.4R38
2WD Standard tires (ag)(optional)18.4-38
4WD Standard tires (ag)Front: 18.4-26. Rear: 20.8-38
4WD Standard tires (ag)(optional)18.4R42
4WD Standard tires (ag)(optional)20.8R38
Ag rear16.9-38

Engine Specifications of John Deere, 4650

  • Liquid-cooled
  • 6-cylinder
  • Intercooled turbocharged diesel
Air cleanerDry
Firing order1-5-3-6-2-4
Displacement466 ci [7.6 L]
Bore/Stroke4.56x4.75 inches [116 x 121 mm]
Power187.7 hp [140.0 kW]
Rated RPM2200
Compression15.8:1
Coolant capacity32 qts [30.3 L]
Oil capacity21 qts [19.9 L]
Starter volts12

Transmission Information of John Deere, 4650

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 capacity107.6 qts [101.8 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 capacity74.4 qts (2WD) [70.4 L]
ClutchPerma-Clutch wet disc
TypeFull power shift
Type(optional)86.4 qts (4WD) [81.8 L]
Gears15 forward and 4 reverse
  • 16-speed partial power shift
  • 15-speed full power shift

Mechanical Specs of John Deere, 4650

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

Power Information of John Deere, 4650

Rear PTOIndependent
Engine RPM1000@2200
ClutchHydraulic wet disc
Rear PTO Type1000

Hydraulics Specifications of John Deere, 4650

Pump flow29.5 gpm [111.7 lpm]
TypeClosed center
Pressure2277 psi [157.0 bar]
Pressure(optional)26.9 gal (Quad-Range) [101.8 L]
Capacity18.6 gal (2WD Power Shift) [70.4 L]
Valves2 or 3
Valves(optional)21.6 gal (4WD Power Shift) [81.8 L]

Three-Point Hitch of John Deere, 4650

Rear TypeIII
ControlLower-link draft sensing
Rear lift8,475 lbs [3844 kg]

Electrical System of John Deere, 4650

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

Where it sits

With 187 HP, the John Deere 4650 sits between 4640 (172 HP) and 4850 (207 HP) in John Deere's range. Its power puts it in the 87th percentile of 1980s models in our database (2052 machines).

Frequently asked questions

How much horsepower does the John Deere 4650 have?

The John Deere 4650 delivers 187 HP.

What years was the John Deere 4650 produced?

The John Deere 4650 was produced in 1983-1988.

What engine does the John Deere 4650 have?

The John Deere 4650 is powered by a Intercooled turbocharged diesel, 6-cylinder engine.

What transmission does the John Deere 4650 use?

The John Deere 4650 uses a John Deere Quad-Range transmission.

How much does the John Deere 4650 weigh?

The John Deere 4650 weighs 18,585 lbs (2WD Power Shift) [8430 kg].

Is the John Deere 4650 4WD?

The John Deere 4650 is available in 2WD/4WD.

Compare the John Deere 4650 with another model