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Years in Production / 1977–1984

John Deere

4640

Explore the specifications, hardware, and original references for the John Deere 4640.

Generic tractor; no model photo available
No photo

185hp

Source index power

MFWD Optional

Drive

1977–1984

Production years

John Deere

Manufacturer

4640 / 01

At a glance

Overview

1977 - 1984

4040 Series

Row-Crop tractor

Production

Row-Crop tractor

Manufacturer
John Deere

Mechanical

Power steering

Hydraulic wet disc brakes

Cab standard.

Drive
4x2 2WD
Drive
4x4 HFWD 4WD
Drive
4x4 MFWD 4WD
Final Drives
planetary
Differential Lock
hydro-mechanical

Hydraulics

Type
closed center

Hitch

Rear Type
III
Control
position and draft control

Pto

Rear Pto
independent
Clutch
hydraulic wet disc
Rear Type
1000 (1.75)

Electrical

Ground
negative
Charging System
alternator
Charging Amps
88
Batteries
2
Battery Volts
12
Battery Ah
88

4640 / 02

Under the hood

Engine Detail

John Deere

turbocharged diesel

6-cylinder

liquid-cooled

Displacement
466 ci7.6 L
Bore Stroke
4.5625x4.75 inches116 x 121 mm
Power Net
174.3 hp130.0 kW
Power Gross
185.1 hp138.0 kW
Fuel System
direct injection
Compression Ratio
14.9:1
Rated Rpm
2200
Idle Rpm
800-2400
Operating Rpm
1400-2200
Torque
529.6 lb-ft718.1 Nm
Torque Rpm
1400
Starter
electric
Starter Volts
12
Oil Capacity
20.1 qts19.0 L
Coolant Capacity
38 qts36.0 L
Cylinders
6
Cooling
liquid-cooled

Engine Options

John Deere 7.6L 6-cyl diesel

Fuel Tank
83 gal314.2 L

4640 / 03

Gears & controls

Transmission (Option 1)

Transmission
Quad-Range
Transmission Type
partial power shift
Gears
16 forward and 6 reverse
Clutch
hydraulic wet disc
Oil Capacity
100 qts94.6 L
Speeds Description
With 20.8-38 rear tires.

Transmission (Option 2)

Transmission
Power Shift
Transmission Type
full power shift
Gears
8 forward and 4 reverse
Clutch
hydraulic wet discs
Oil Capacity
80 qts75.7 L
Speeds Description
With 20.8-38 rear tires.

Transmission Options

16-speed partial power shift

8-speed full power shift

4640 / 04

Size. Stance. Footprint.

Dimensions And Tires

Wheelbase
118.5 inches300 cm
Weight
14350 lbs6509 kg
Front Tire
11.00-16
Rear Tire
20.8-38

Tires And Tracks

Optional Tires Ag
Front: 18.4-38. Rear:
Front Ag
11.00-16
Rear Ag
20.8-38

See it in action

Videos

Watch John Deere 4640 videos from their original YouTube creators.