John Deere 2840

The John Deere 2840 is a tractor produced by John Deere. It is equipped with a 329 ci 5.4 L engine. The rated power output is 80.65 hp 60.1 kW. Transmission: sliding gear. Operating weight: 8700 lbs 3946 kg.

Overview

	1977 - 1979 Utility tractor
1977 - 1979
Utility tractor

Production
Manufacturer	John Deere
Utility tractor
Built in Mannheim, Baden-Württemberg, Germany
Original price was $17,000 in 1979

Variants
3130	similar John Deere model

John Deere 2840 Engine
John Deere 5.4L 6-cyl diesel
Engine details ...

John Deere 2840 Power
Drawbar (tested)	64.86 hp 48.4 kW
PTO (tested)	80.65 hp 60.1 kW
Performance test details ...

Mechanical
Two-wheel drive
Final drives	planetary
Differential lock	mechanical rear
Steering	power assist
Differential hydraulic wet disc brakes
Open operator station. Two-post Roll-Gard ROPS optional.

Capacity
Fuel	28 gal 106.0 L
Hydraulic system	12.9 gal 48.8 L

Hydraulics
Type	closed center
Capacity	12.9 gal 48.8 L
Valves	2
Pump flow	23 gpm 87.1 lpm

Tractor hitch
Rear Type	II
Control	draft sensing

Power Take-off (PTO)
Rear PTO	independent
Clutch	hydraulic 300mm disc
Rear PTO Type	540/1000

Dimensions & Tires
Wheelbase	97 inches 246 cm
Weight	8700 lbs 3946 kg
Front tire	7.50-18
Rear tire	18.4-34
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Batteries	2
Battery volts	12

References
Tractors 40 to 80 hp published in 1976, by John Deere
Tractors 40 to 80 hp published in 1977, by John Deere

Engine

Engine Detail — 329 ci / 5.4 L Diesel

Manufacturer	John Deere
Fuel Type	Diesel
Configuration	6-cylinder, liquid-cooled
Displacement	329 ci 5.4 L
Bore/Stroke	4.02x4.33 inches 102 x 110 mm
Air cleaner	paper elements
Compression	17.0:1
Rated RPM	2500
Starter volts	12
Coolant capacity	5 qts 4.7 L

Transmission

Transmission options
12-speed two-speed power shift
6-speed

Transmission — Hi-Lo

Transmission	Hi-Lo
Type	two-speed power shift
Gears	12 forward and 6 reverse
Clutch	dry disc
Three gears (1-3) in two ranges (I/II) plus reverse (R) range with a high/low power shift.
With 18.4-34 rear tires.

Transmission — sliding gear

Transmission	sliding gear
Gears	6 forward and 3 reverse

Dimensions

John Deere 2840 Tires
Ag front	7.50-18
Ag rear	18.4-34
Ag rear	15.5-38
	16.9-38

Dimensions
Wheelbase	97 inches 246 cm
Length	160 inches 406 cm
Width	90 inches 228 cm
Height (steering wheel)	74 inches 187 cm
Operating weight	8700 lbs 3946 kg
Ballasted weight	10500 lbs 4762 kg
Clearance (front axle)	21 inches 53 cm
Rack-and-pinion rear axle
Front tread	57.82.4 to inches 146 to 0 cm
Front tread	69 to 94 inches 175 to 238 cm (wide axle)
Rear tread	61 to 90 inches 154 to 228 cm *ROPS or fenders limit minimum tread to 68 inches.

Tests

Nebraska Tractor Test 1249
Diesel 12-speed 2WD June 14 - 30, 1977 Link: Nebraska Tractor Test 1249 file
PTO performance
Power at rated engine speed	80.65 hp 60.1 kW
Fuel use	5.3 gal/hour 20.1 l/hour
Power at rated PTO speed	76.27 hp 56.9 kW
Fuel use	4.8 gal/hour 18.2 l/hour
Drawbar performance
Max power	64.86 hp 48.4 kW
Fuel use	5.2 gal/hour 19.7 l/hour
Gear 4H used for power test.
Max pull	8,386 lbs 3803 kg
Gear 2H used for pull test.