Skip to contentJohn Deere 840 3170271 — Ermell, CC BY-SA 4.0. Resized; converted to WebP. Reinhold Möller · Ermell · CC BY-SA 4.0 commons.wikimedia.org source ↗ John Deere 840 3170271 — Ermell, CC BY-SA 4.0. Resized; converted to WebP. Reinhold Möller · Ermell · CC BY-SA 4.0 commons.wikimedia.org source ↗
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Years in Production / 1976–1986
John Deere
840
Explore the specifications, hardware, and original references for the John Deere 840.
37hp
Source index power
2WD Only
Drive
1976–1986
Production years
John Deere
Manufacturer
840 / 01
At a glance
Overview
1976 - 1986
Utility tractor
Production
Utility tractor
Built in Mannheim, Baden-Württemberg, Germany
- Manufacturer
- John Deere
Mechanical
Two-wheel drive
Manual steering
Hydraulic wet disc brakes
Four-post ROPS.
- Final Drives
- planetary
Capacity
- Fuel
- 20.6 gal78.0 L
- Hydraulic System
- 10.8 gal40.9 L
Hydraulics
- Type
- closed center
- Capacity
- 10.8 gal40.9 L
- Pump Flow
- 6.1 gpm23.1 lpm
Hitch
- Rear Type
- II/I
- Rear Lift
- 4878 lbs2212 kg
Pto
- Rear Pto
- live
- Rear Pto
- independent OptOptional
- Clutch
- dry disc
- Clutch
- wet disc *Optional, independent PTO
- Rear Type
- 540
- Engine Rpm
- 540@2400
- Engine Rpm
- 1000@2070
- Front Pto
- optional
- Front Pto Type
- 1000
Electrical
- Ground
- negative
- Charging System
- alternator
- Charging Amps
- 33
- Batteries
- 2
- Battery Volts
- 12
840 / 02
Under the hood
Engine Detail
John Deere
diesel
3-cylinder
liquid-cooled
- Displacement
- 179 ci2.9 L
- Bore Stroke
- 4.19x4.33 inches106 x 110 mm
- Power
- 37.5 hp28.0 kW
- Fuel System
- direct injection
- Compression Ratio
- 16.8:1
- Rated Rpm
- 2400
- Operating Rpm
- 1300-2400
- Starter Volts
- 12
- Starter Power
- 4 hp3.0 kW
- Oil Capacity
- 7.4 qts7.0 L
- Coolant Capacity
- 11.1 qts10.5 L
- Fuel Type
- diesel
- Cylinders
- 3
- Cooling
- liquid-cooled
Engine Options
John Deere 2.9L 3-cyl diesel
840 / 03
Gears & controls
Transmission (Option 1)
- Transmission Type
- collar shift
- Gears
- 8 forward and 4 reverse
- Clutch
- dry disc
Transmission (Option 2)
- Transmission Type
- two-speed power shift
- Gears
- 16 forward and 8 reverse
Transmission Options
8-speed collar shift
16-speed two-speed power shift
840 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Wheelbase
- 74.4 inches188 cm
- Weight
- 5004 lbs2269 kg
- Front Tire
- 6.50-16
- Rear Tire
- 12.4-32
Tires And Tracks
- Front Ag
- 6.50-16
- Rear Ag
- 12.4-32
- Rear Ag
- 9.5-36
- Rear Ag
- 12.4-28
840 / 05
Tractor Photos
See it in action
Videos
Watch John Deere 840 videos from their original YouTube creators.