John Deere 2840: all source data
All 70 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | John Deere |
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| (no label) | Utility tractor |
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| (no label) | Built in Mannheim, Baden-Württemberg, Germany |
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| (no label) | Original price was $17,000 in 1979 |
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Engine| (no label) | John Deere 5.4L 6-cyl diesel |
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Transmission| (no label) | 12-speed two-speed power shift |
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| (no label) | 6-speed |
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Power| Drawbar (tested) | 64.86 hp | 48.4 kW |
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| PTO (tested) | 80.65 hp | 60.1 kW |
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Mechanical| (no label) | Two-wheel drive |
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| Final drives | planetary |
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| Differential lock | mechanical rear |
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| Steering | power assist |
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| (no label) | Differential hydraulic wet disc brakes |
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| (no label) | Open operator station. Two-post Roll-Gard ROPS optional. |
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Capacity| Fuel | 28 gal | 106.0 L |
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| Hydraulic system | 12.9 gal | 48.8 L |
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Hydraulics| Type | closed center |
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| Capacity | 12.9 gal | 48.8 L |
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| Valves | 2 |
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| Pump flow | 23 gpm | 87.1 lpm |
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Hitch| Rear Type | II |
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| Control | draft sensing |
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Pto| Rear PTO | independent |
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| Clutch | hydraulic 300mm disc |
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| Rear PTO Type | 540/1000 |
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Dimensions| Wheelbase | 97 inches | 246 cm |
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| Weight | 8700 lbs | 3946 kg |
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| Front tire | 7.50-18 |
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| Rear tire | 18.4-34 |
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Serial location| (no label) | Serial number plate on the right side of the 2840 frame, above the front axle. |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Batteries | 2 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | John Deere |
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| (no label) | diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 329 ci | 5.4 L |
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| Bore/Stroke | 4.02x4.33 inches | 102 x 110 mm |
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| Air cleaner | paper elements |
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| Compression | 17.0:1 |
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| Rated RPM | 2500 |
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| Starter volts | 12 |
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| Coolant capacity (Coolant) | 5 qts | 4.7 L |
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Transmission
Transmission options| (no label) | 12-speed two-speed power shift |
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| (no label) | 6-speed |
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Transmission| Transmission | Hi-Lo |
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| Type | two-speed power shift |
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| Gears | 12 forward and 6 reverse |
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| Clutch | dry disc |
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| (no label) | Three gears (1-3) in two ranges (I/II) plus reverse (R) range with a high/low power shift. |
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| Transmission | sliding gear |
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| Gears | 6 forward and 3 reverse |
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Dimensions
Tires| Ag front | 7.50-18 |
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| Ag rear | 18.4-34 |
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| Ag rear | 15.5-38 |
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| Ag rear | 16.9-38 |
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Dimensions| Wheelbase | 97 inches | 246 cm |
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| Length | 160 inches | 406 cm |
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| Width | 90 inches | 228 cm |
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| Height (steering wheel) | 74 inches | 187 cm |
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| Operating weight | 8700 lbs | 3946 kg |
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| Ballasted weight | 10500 lbs | 4762 kg |
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| Clearance (front axle) | 21 inches | 53 cm |
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| (no label) | Rack-and-pinion rear axle |
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| Front tread | 57.82.4 to inches | 146 to 0 cm |
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| Front tread | 69 to 94 inches (wide axle) | 175 to 238 cm |
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| Rear tread | 61 to 90 inches | 154 to 228 cm |
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