Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere 4640 Technical Data

JD 4640 Engine Specifications

Engine Model ............. John Deere 6466A
Engine Type ............. 4 Stroke, six-cylinder, direct injection turbocharged intercooled diesel
Number of Cylinders ............. 6
Displacement, cu in (L) ............. 466 (7.640)
Engine Bore, in (mm) ............. 4.56 (115.8)
Engine Stroke, in (mm) ............. 4.75 (120.6)
Aspiration ............. Turbocharged
Rated Engine Power, hp (kW) ............. 176.3 (131.5)
Rated Engine Speed, rpm ............. 2200
Idle Speed, rpm ............. 800-2400
Maximum Torque, Nm (lb-ft) ............. 718 (531)
Torque Speed, rpm ............. 1400
Compression ............. 15.5:1
Firing Order ............. 1-5-3-6-2-4
Fuel System ............. Direct injection
Air Cleaner ............. Dual dry element
Fuel Tank Capacity, gal (L) ............. 83.0 (314)
Oil Capacity, qts (L) ............. 20.0 (18.9)
Coolant Capacity, qts (L) ............. 38.0 (35.8)
Electrical System Rating, Volts ............. 12
Charging System ............. Alternator
Alternator Rating, Amps ............. 120

Power Take-Off

PTO Operational Type ............. Independent
PTO Horsepower, hp (kW) ............. 155.0 (115.5)
PTO Clutch ............. Hydraulic disc
PTO Speed, rpm ............. 1000

John Deere 4640 Transmission

Transmission Type ............. Quad Range
Gearbox Type ............. 16F/6R, Partial powershift
Number of Forward Gears ............. 16
Number of Reverse Gears ............. 6
Clutch ............. Wet disc
Maximum Speed (Forward), mph (kph) ............. 19.6 (31.5)
Maximum Speed (Reverse), mph (kph) ............. 12.6 (20.3)

Transmission Type ............. Power Shift
Gearbox Type ............. 8F/4R, Full powershift
Number of Forward Gears ............. 8
Number of Reverse Gears ............. 4
Clutch Type ............. Wet disc
Maximum Forward Speed, mph (kph) ............. 19.5 (31.4)
Maximum Reverse Speed, mph (kph) ............. 6.7 (10.8)

John Deere 4640 Wheels and Tires

Drive Wheels ............. 2WD/4WD
Steering Configuration ............. Front steer
Steering System ............. Hydrostatic power
Brakes Type ............. Differential hydraulic wet disc
Front Tire Size (2WD) ............. 11.0-16
Rear Tire Size (2WD) ............. 18.4-38
Front Tire Size (4WD) ............. 9.5-20
Rear Tire Size (4WD) ............. 20.8-38
Front Tread Width, in (mm) ............. 58-100 (1470-2540)
Rear Tread Width, in (mm) ............. 60-131.5 (1520-3340)

JD 4640 Hydraulics and Hitch

Hydraulic System Type ............. Closed center
Implement Pump Flow, gpm (Lpm) ............. 23.0 (87.0)
Hydraulic Pressure, Bar (psi) ............. 155 (2250)
Hydraulic Capacity, gal (L) ............. 16.5 (62.5)
Number of Standard Remote Valves ............. 2/3
3-Point Hitch Category ............. 3/3N
Standard Lift Capacity at lift pin, lb (kg) ............. 5500 (2500)
Optional Lift Capacity at lift pin, lb (kg) ............. 7280 (3300)
Upper Link Pin Diameter, in (mm) ............. 31.75 (1.25)
Upper Link Hole Diameter, in (mm) ............. 32.00 (1.26)
Lower Link Pin Diameter, in (mm) ............. 36.58 (1.44)
Lower Link Hole Diameter, in (mm) ............. 37.34 (1.47)
Lower Hitch Point Span (3/3N), in (mm) ............. 964.95 (37.99) / 825 (32.5)
Width of Ball, in (mm) ............. 45 (1.77)
Pin Centerline (Lower to Upper), in (mm) ............. 685 (27.0)

John Deere 4640 Dimensions and Weight

Wheelbase, in (mm) ............. 118.5 (3000)
Length, in (mm) ............. 171 (4340)
Height (Cab), in (mm) ............. 117 (2970)
Overall Width, in (mm) ............. 96 (2430)
Ground Clearance, in (mm) ............. 14.9 (370)
Front Axle Clearance, in (mm) ............. 26 (660)
Turning Radius, in (mm) ............. 162 (4100)
Shipping Weight, lb (kg) ............. 14350 (6510)
Operating Weight, lb (kg) ............. 15700 (7120)
Ballasted Weight, lb (kg) ............. 18585 (8430)

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JOHN DEERE TRACTORS SPECIFICATIONS

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JOHN DEERE TRACTORS ATTACHMENTS
1023E 2025R 2210 2520 3032E
3046R 3520 4066R 4105 4200
4320 4400 4520 4600 4720
430 420 455 X300 X350
X485 X500 X590 X700 X738

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JOHN DEERE FRONT END LOADERS

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JOHN DEERE TRACTORS MAINTENANCE

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JOHN DEERE TRACTORS TROUBLESHOOTING
2640 3040 3310 3650 4100
5050D 5090R 5410 6105R 7200R
E130 L111 LA110 LT155 X300R

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