John Deere 2840 utility tractor: review and specs

The John Deere 2840 is a 2WD utility tractor manufactured by John Deere in Mannheim, Baden-Württemberg, Germany from 1977 to 1979. The John Deere 2840 is equipped with a 5.4 L (329.0 cu·in) six-cylinder diesel engine and one of two transmissions: a two-speed power shift transmission with dry disc clutch and 12 forward and 6 reverse gears or a sliding gear transmission with 6 forward and 3 reverse gears.

The JD 2840 utility tractor used the John Deere engine. It is a 5.4 L, 5,391 cm², (329.0 cu·in) six-cylinder natural aspirated diesel engine with 102.0 mm (4.02 in) of the cylinder bore and 110.0 mm (4.33 in) of the piston stroke. The compression ratio rating is 17.0:1. This engine produced 90.3 PS (66.4 kW; 89.0 HP) at 2,500 rpm of output power.

The John Deere 2840 is equipped with power assist steering, differential hydraulic wet disc brakes, open operator station or two-post Roll-Gard ROPS (optional), and 106.0 liters (28 US gal.; 23.3 Imp. gal) fuel tank. This tractor could be equipped with the John Deere 148 loader.

John Deere 2840 Specifications

General Specifications
Model	John Deere 2840
Length	4,060 mm (159.8 in)
Width	2,280 mm (89.8 in)
Height	1,870 mm (73.6 in)
Wheel base	2,460 mm (96.9 in)
Weight	3,945 kg (8,697 lbs)
Fuel tank capacity	106.0 liters (28 US gal.; 23.3 Imp. gal)
Battery	Two 12V
Cabin type	Open operator station or two-post Roll-Gard ROPS (optional)
Engine
Engine model	John Deere
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	6
Fuel type	Diesel
Displacement	5.4 L, 5,391 cm², (329.0 cu·in)
Bore and stroke	102.0 mm X 110.0 mm (4.02 in X 4.33 in)
Compression ratio	17.0:1
Horsepower	90.3 PS (66.4 kW; 89 HP) at 2,500 rpm
Starter	Electric
Coolant capacity:	4.7 L (5 US. qt, 4.1 Imp. qt.)

Transmission and chassis
Chassis	4×2 2WD
Steering type	Power assist
Brakes	Differential hydraulic wet disc
Final drive	Planetary
Differential lock	Mechanical rear
Transmission model	Hi-Lo
Transmission type	Two-speed power shift with dry disc clutch
Gears	12 forward and 6 reverse
Speed	Forward: 28.3 kmh (17.6 mph) Reverse: 9.5 (5.9 mph)
Transmission model	–
Transmission type	Sliding gear
Gears	6 forward and 3 reverse
Tires
Front tires	Ag: 7.50-18
Rear tires	Ag: 18.4-34

Three-Point Hitch
Caterogy	II
Control type	Draft sensing
Lift capacity (at ends)	–
PTO (Power take-off shaft)
Rear PTO type	Independent with hydraulic clutch
Rear PTO speed	540/1,000 rpm
Hydraulic system
Hydraulic type	Closed center
Hydraulic capacity	48.8 L (51.57 US. qt, 42.94 Imp. qt.)
Valves	2
Pump flow	23.0 gpm (87.1 lpm)

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