John Deere 940

John Deere 940 Technical Specifications

John Deere 940 is a Row-Crop tractor that was produced by the John Deere between 1980 – 1986.

Below you will find detailed technical specifications for John Deere 940 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 940 Production

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

John Deere 940 Electrical

Ground: negative
Charging system: alternator
Charging amps: 33
Batteries: 2
Battery volts: 12

John Deere 940 Mechanical

Chassis: 4×2 2WD
Final drives: planetary
Steering: power
Brakes: wet disc
Cab: Four-post ROPS.
Transmissions: 8-speed collar shift
  16-speed two-speed power shift


Fuel: 20.6 gal
78.0 L
Hydraulic system: 10.8 gal
40.9 L


Type: closed center
Capacity: 10.8 gal
40.9 L
Pressure: 2756 psi
190.0 bar
Pump flow: 6.1 gpm
23.1 lpm

Tracktor Hitch

Rear Type: II/I
Rear lift: 4878 lbs
2212 kg

Power Take-off (PTO)

Rear PTO: live
Clutch: dry disc
  wet disc*Optional, independent PTO
Rear RPM: 540
Engine RPM: 540@2400
Front PTO: optional
Front RPM: 1000
Engine RPM: 1000@2070

John Deere 940 Engine detail

Engine Detail
John Deere
turbocharged diesel
liquid-cooled vertical
Displacement: 765 ci
12.5 L
Bore/Stroke: 5.00×6.50 inches
127 x 165 mm
Power: 425 hp
316.9 kW
Air cleaner: dual paper elements
Compression: 17:1
Rated RPM: 2100
Starter volts: 12

John Deere 940 Transmission overview

Engine Oil

Transmission: PowrSync
Type: partial power shift
Gears: 24 forward and 6 reverse

John Deere 940 Dimensions

Weight: 42,620 lbs
19332 kg

John Deere 940 Tests

OCED Tractor Test 1791

OCED Tractor Test 1791
Diesel 24-speed crawler
March 27 – April 13, 2001
Link: OCED Tractor Test 1791 file
PTO performance
Max power: 346.53 hp
258.4 kW
Fuel use: 18.8 gal/hour
71.2 l/hour
Power at rated engine speed: 299.66 hp
223.5 kW
Fuel use: 17.7 gal/hour
67.0 l/hour
Power at rated PTO speed: 331.95 hp
247.5 kW
Fuel use: 17.9 gal/hour
67.8 l/hour
Drawbar performance
Max power: 323.43 hp
241.2 kW
Fuel use: 20.1 gal/hour
76.1 l/hour
Max pull: 42,421 lbs
19242 kg
Gear 1 used for pull test.


Is John Deere 940 a good tractor?

The John Deere 940 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 940 take?

Check out the John Deere 940 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 840

The John Deere 940 was an agricultural tractor model made from 1980 – 1986

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