John Deere 2640

The John Deere 2640 is a tractor produced by John Deere. It is equipped with a 276 ci 4.5 L engine. The rated power output is 70.37 hp 52.5 kW. Transmission: Direction Reverser. Operating weight: 5800 lbs 2630 kg.

Overview

	1976 - 1982 Model year 1976-19791980-1982 2040 SeriesUtility tractor
1976 - 1982
Model year 1976-19791980-1982
2040 Series
Utility tractor

Production
Manufacturer	John Deere
Utility tractor
Built in Dubuque, Iowa, USA

John Deere 2640 Engine
John Deere 4.5L 4-cyl diesel
Engine details ...

John Deere 2640 Power
PTO (claimed)	70 hp 52.2 kW
Drawbar (tested)	57.88 hp 43.2 kW
PTO (tested)	70.37 hp 52.5 kW
Performance test details ...

Mechanical
Two-wheel drive
Final drives	planetary
Differential lock	mechanical rear
Steering	mechanical with power assist
Differential hydraulic wet disc brakes
Open operator station.

Capacity
Fuel	19.5 gal 73.8 L
Hydraulic system	10 gal 37.9 L

Hydraulics
Type	closed center
Capacity	10 gal 37.9 L
Pressure	2250 psi 155.1 bar
Pump flow	9 gpm 34.1 lpm
	15 gpm 56.8 lpm

Tractor hitch
Rear Type	II/I

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540
	540/1000

Dimensions & Tires
Wheelbase	85.75 inches*Straight axle 217 cm
Weight	5800 lbs 2630 kg
Front tire	6.00-16
Rear tire	16.9-28
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Battery volts	12

References
Operator's Manual 145 Loader (OMW21474)
Tractors 40 to 80 hp published in 1976, by John Deere
Tractors 40 to 80 hp published in 1977, by John Deere
Operator's Manual 2440 and 2640 Tractors (OMR62127)
Tractors, Orchard/Vineyard published in 1979, by John Deere
Focus 76 published in 1976, by John Deere

Engine

Engine Detail — 276 ci / 4.5 L Diesel

Manufacturer	John Deere
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	276 ci 4.5 L
Bore/Stroke	4.19x5.00 inches 106 x 127 mm
Compression	16.7:1
Rated RPM	2500
Firing order	1-3-4-2
Starter volts	12
Coolant capacity	12 qts 11.4 L

Transmission

Transmission options
8-speed collar shift
16-speed two-speed power shift
8-speed power shuttle

Transmission — 8 forward and 4 reverse collar shift

Type	collar shift
Gears	8 forward and 4 reverse
Four gears (1-4) in two ranges (I and II) plus reverse (R) range.
With 16.9-28 rear tires.

Transmission — Hi-Lo

Transmission	Hi-Lo
Type	two-speed power shift
Gears	16 forward and 8 reverse
Clutch	dry disc
With 16.9-28 rear tires.

Transmission — Direction Reverser

Transmission	Direction Reverser
Type	power shuttle
Gears	8 forward and reverse
Four gears (1-4) in two ranges (I and II) with a left-hand hydraulic shuttle lever.

Dimensions

John Deere 2640 Tires
Ag front	6.00-16
Ag rear	16.9-28

Dimensions
Wheelbase	85.75 inches*Straight axle 217 cm
Length	139.5 inches 354 cm
Width	69.5 inches 176 cm
Height (hood)	61.3 inches 155 cm
Height (exhaust)	101.7 inches 258 cm
Operating weight	5800 lbs 2630 kg
Ballasted weight	8430 lbs 3823 kg
Clearance (front axle)	25.6 inches 65 cm
Front tread	60 to 88 inches 152 to 223 cm (straight axle)
Front tread	49 to 79 inches 124 to 200 cm (swept axle)
Rear tread	52 to 97 inches 132 to 246 cm (rack-and-pinion)

Tests

Nebraska Tractor Test 1157
Diesel 16-speed 2WD April 16 - 25, 1974 Link: Nebraska Tractor Test 1157 file
PTO performance
Power at rated engine speed	70.37 hp 52.5 kW
Fuel use	4.9 gal/hour 18.5 l/hour
Power at rated PTO speed	69.02 hp 51.5 kW
Fuel use	4.3 gal/hour 16.3 l/hour
Drawbar performance
Max power	57.88 hp 43.2 kW
Gear 5-Hi used for power test.
Max pull	6,470 lbs 2934 kg
Gear 5-Hi used for pull test.