1840 by Deere

1979 - 1982

1979 - 1982 Utility tractor

Series:

Series:1640 ← 1840 → 2040

1979 - 1987

1979 - 1987
Utility tractor

Series:

Series:1640 → 1840

Production

Production
Manufacturer:John Deere
Type:Utility tractor
Factory:Mannheim, Baden-Württemberg, Germany

John Deere 1640 Power

John Deere 1640 Power
Engine:62 hp
46.2 kW
PTO (claimed):54 hp
40.3 kW

John Deere 1640 Engine

John Deere 1640 Engine
John Deere 3.9L 4-cyl diesel
Engine details ...

Mechanical

Mechanical
Chassis:4x2 2WD
 4x4 MFWD 4WD
Final drives:planetary
Steering:power
Brakes:hydraulic disc
Cab:Four-post ROPS. Cab available with heater. SoundGard (SG2) cab available after 1981.
Transmissions:8-speed
 16-speed
Transmission details ...

Capacity

Capacity
Fuel:25.1 gal
95.0 L
Hydraulic system:14.5 gal
54.9 L

Hydraulics

Hydraulics
Type:closed center constant pressure
Capacity:14.5 gal
54.9 L
Pressure:2466 psi
170.0 bar
Pump flow:12.4 gpm
46.9 lpm

Tractor hitch

Tractor hitch
Rear Type:II
Rear lift:6768 lbs
3069 kg

Power Take-off (PTO)

Power Take-off (PTO)
Rear RPM:540
Engine RPM:540@2400

Dimensions & Tires

Dimensions & Tires
2WD Wheelbase:89.7 inches
227 cm
4WD Wheelbase:80 inches
203 cm
Weight:7409 to 8004 pounds
Front tire:7.50-18
2WD Rear tire:13.6/12-38
Full dimensions and tires ...

1640 Serial Numbers

1640 Serial Numbers
1980:358998
1981:393048
1982:433037

how to read serial numbers...

Electrical

Electrical
Ground:negative
Charging system:alternator
Charging amps:55
Batteries:2
Battery volts:12

Production

Production Manufacturer:John Deere
Type:Utility tractor
Factory:Mannheim, Baden-Württemberg, Germany
The Canadian-market 1840 is similar to the US 2440 model.

John Deere 1840 Power

John Deere 1840 Power Engine (net):70 hp
52.2 kW
PTO (claimed):60 hp
44.7 kW

John Deere 1840 Engine

John Deere 1840 Engine John Deere 3.9L 4-cyl diesel Fuel tank:25.1 gal
95.0 L
Engine details ...

1979 - 1982

1979 - 1982
Utility tractor

Series:

Series:1640 ← 1840 → 2040

Engine Detail

Engine Detail
John Deere
diesel
4-cylinder
liquid-cooled
Displacement:239 ci
3.9 L
Bore/Stroke:4.19x4.33 inches
106 x 110 mm
Compression:16.8:1
Rated RPM:2500
Idle RPM:800-2660
Operating RPM:1300-2500
Torque:170 lb-ft
230.5 Nm
Torque RPM:1300
Firing order:1-3-4-2
Starter volts:12
Intake valve clearance:0.014 inches
0.356 mm
Exhaust valve clearance:0.018 inches
0.457 mm

Mechanical

Mechanical Chassis:4x2 2WD
 4x4 MFWD 4WD
Final drives:planetary
Differential lock:mechanical rear
Steering:power
Brakes:wet disc
Cab:Open operator station. Cab optional.
Transmissions:8-speed unsynchronized gear
 8-speed partially synchronized
 16-speed two-speed power shift
Transmission details ...

1979 - 1982

1979 - 1982
Utility tractor

Series:

Series:1640 ← 1840 → 2040

Transmissions overview

Transmissions overview
8-speed unsynchronized gear
8-speed partially synchronized
16-speed two-speed power shift

Transmission

Transmission
Type:unsynchronized gear
Gears:8 forward and 4 reverse
Clutch:dry disc
Four gears in two ranges, plus reverse range.

Speeds

Speeds
With 15.5-38 rear tires.

Transmission

Transmission
Transmission:Top-Shaft Synchronized
Type:partially synchronized
Gears:8 forward and 4 reverse
Four synchronized gears in two ranges, plus reverse range.

Transmission

Transmission
Transmission:Hi-Lo
Type:two-speed power shift
Gears:16 forward and 8 reverse

Hydraulics

Hydraulics Type:closed center

Tractor hitch

Tractor hitch Rear Type:II/I
Control:position and draft control

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:540 (1.375)
 540/1000 (1.375)

Dimensions & Tires

Dimensions & Tires Wheelbase:89.7 inches
227 cm
Weight:5476 lbs
2483 kg
Front tire:7.50-16
Rear tire:15.5-38
Full dimensions and tires ...

1979 - 1982

1979 - 1982
Utility tractor

Series:

Series:1640 ← 1840 → 2040

John Deere 1840 Tires

John Deere 1840 Tires
Ag front:7.50-16
Ag rear:15.5-38
Ag rear:16.9-30

Dimensions

Dimensions
Wheelbase:89.7 inches
227 cm
Length:147 inches
373 cm
Height (hood):62 inches
157 cm
Weight:5476 lbs
2483 kg

Electrical

Electrical Ground:negative
Charging system:alternator
Charging amps:33
 55*Standard with cab, optional on open station.
Charging volts:14
Batteries:2
Battery volts:12

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