John Deere 1840

John Deere 1840 Technical Specifications

John Deere 1840 is a Row-Crop tractor that was produced by the John Deere between 1979 – 1982.

Below you will find detailed technical specifications for John Deere 1840 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

John Deere 1840 Production













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


John Deere 1840 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

John Deere 1840 Mechanical

































Chassis: 4×2 2WD
  4×4 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

Hydraulics




Type: closed center

Tracktor Hitch







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

Power Take-off (PTO)










Rear PTO: independent
Rear RPM: 540 (1.375)
  540/1000 (1.375)

John Deere 1840 Engine detail














































Engine Detail
John Deere
diesel
4-cylinder
liquid-cooled
Displacement: 239 ci
3.9 L
Bore/Stroke: 4.19×4.33 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



John Deere 1840 Transmission overview

Engine Oil











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

John Deere 1840 Dimensions













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

FAQ

Is John Deere 1840 a good tractor?

The John Deere 1840 is one of the great tractors in the John Deere stable, and it has earned John Deere a fantastic reputation.

How much oil does a John Deere 1840 take?

Check out the John Deere 1840 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year John Deere made the 1640

The John Deere 1840 was an agricultural tractor model made from 1979 – 1982

How much can a John Deere 1840 Pull?

The max pulling capacity of the John Deere 1840 tractors starts at 11,492 lbs
5212 kg but may be slightly higher depending on the trim.

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