John Deere

John Deere 2840

The John Deere 2840 is a utility tractor produced from 1977 to 1979. It was built in Mannheim, Germany and originally priced at $17,000 in 1979. It features a 5.4L 6-cylinder liquid-cooled diesel engine producing an estimated 89.6 hp, with a 12-speed two-speed power shift or 6-speed sliding gear transmission. The tractor has a two-wheel drive with planetary final drives, mechanical rear differential lock, and power assist steering. It has a fuel capacity of 28 gallons and a hydraulic system capacity of 12.9 gallons. The 2840 includes a rear PTO with 540/1000 rpm independent operation and a hydraulic 300mm disc clutch. Dimensions include a 97 inch wheelbase, 160 inch length, and 8700 lbs operating weight. The tractor supports a variety of tires and has an optional two-post Roll-Gard ROPS. Attachments include the 148 Loader with various bucket sizes and capacities.

Power89 hp[P]

Founded1977 - 1979

Model2840

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Technical Specifications

Detailed specifications and technical data for John Deere 2840

Power

PTO (tested)	80.65 hp (60.1 kW)
Drawbar (tested)	64.86 hp (48.4 kW)

Tires

Ag rear	18.4-34, 15.5-38, 16.9-38
Ag front	7.50-18

Engine

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

Capacity

Fuel	28 gal (106.0 L)
Hydraulic system	12.9 gal (48.8 L)

Dimensions

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

Electrical

Ground	negative
Batteries	2
Battery volts	12
Charging system	alternator

Hydraulics

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

Mechanical

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

Production

Type	Utility tractor
Built in	Mannheim, Baden-Württemberg, Germany
Original price	$17,000 in 1979
Years produced	1977 - 1979

Attachments

Weight	1350 lbs (612 kg)
Dump angle	38°
Loader model	148 Loader
Boom cylinder	2.5 inches (6 cm)
Bucket widths	60 inches (152 cm), 72 inches (182 cm), 84 inches (213 cm), 96 inches (243 cm)
Lift capacity	3100 lbs lift (full at pin) (1406 kg)
Breakout force	4700 lbs breakout (2131 kg)
Reach (dumped)	32 inches (81 cm)
Rollback angle	11°
Bucket cylinder	2.5 inches (6 cm)
Height (at pin)	126 inches (320 cm)
Bucket capacities	0.5 cu yd (0.4 cu m), 0.6 cu yd (0.5 cu m), 0.8 cu yd (0.6 cu m), 0.9 cu yd (0.7 cu m)
Clearance (level)	121 inches (307 cm)
Clearance (dumped)	102 inches (259 cm)

Transmission

Type	two-speed power shift
Gears	12 forward and 6 reverse
Clutch	dry disc
Description	Three gears (1-3) in two ranges (I/II) plus reverse (R) range with a high/low power shift
Alternate gears	6 forward and 3 reverse
Transmission options	12-speed two-speed power shift, 6-speed
Alternate transmission	sliding gear