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Tractor · 1976Unverified

John Deere 2640

John Deere 2640 — Model year 1976-19791980-1982 · 70 hp. Reference specifications; pending source verification.

The John Deere 2640 is a tractor model rated at approximately 70 horsepower, a mid-range figure for its class. It was produced from 1976 to 1982. The tractor features a 4-cylinder diesel liquid-cooled engine and two-wheel drive with a powershift transmission. It has a listed operating weight of 2630 kilograms and is suitable for operations of up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power
70 hp
Max power
43.2 kW
Weight
2630 kg

Catalogue coverage

Variants represented
2
Richest spec table
89 rows
Recorded power
70 hp
Recorded weight
2630 kg
Transmissions
8-speed collar shift
Production years
1976-1982
Verified variants
0

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference
Utility tractorReference
Built in Dubuque, Iowa, USAReference
Two-wheel driveReference
Final drivesplanetaryReference
Differential lockmechanical rearReference
Steeringmechanical with power assistReference
Differential hydraulic wet disc brakesReference
Open operator station.Reference

Engine

John Deere 4.5L 4-cyl dieselReference
Drawbar (tested)43.2 kWReference
John DeereReference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement4.5 LReference
Bore/Stroke106 x 127 mmReference
Compression16.7:1Reference
Rated RPM2500Reference
Firing order1-3-4-2Reference
Starter volts12Reference
Coolant capacity11.4 LReference
Power at rated engine speed52.5 kWReference
Max power43.2 kWReference

Transmission

8-speed collar shiftReference
16-speed two-speed power shiftReference
8-speed power shuttleReference
Typecollar shiftReference
Gears8 forward and 4 reverseReference
Four gears (1-4) in two ranges (I and II) plus reverse (R) range.Reference
TransmissionHi-LoReference
Typetwo-speed power shiftReference
Gears16 forward and 8 reverseReference
Clutchdry discReference
TransmissionDirection ReverserReference
Typepower shuttleReference
Gears8 forward and reverseReference
Four gears (1-4) in two ranges (I and II) with a left-hand hydraulic shuttle lever.Reference

PTO & Hydraulics

PTO (claimed)52.2 kWReference
PTO (tested)52.5 kWReference
Hydraulic system37.9 LReference
Typeclosed centerReference
Capacity37.9 LReference
Pressure155.1 barReference
Pump flow34.1 lpmReference
Pump flow56.8 lpmReference
Rear TypeII/IReference
Rear PTOindependentReference
Rear PTO Type540Reference
Rear PTO Type540/1000Reference
Power at rated PTO speed51.5 kWReference

Capacities

Fuel73.8 LReference

Dimensions

Wheelbase217 cmReference
Weight2630 kgReference
Front tire6.00-16Reference
Rear tire16.9-28Reference
Ag front6.00-16Reference
Ag rear16.9-28Reference
Length354 cmReference
Width176 cmReference
Height (hood)155 cmReference
Height (exhaust)258 cmReference
Operating weight2630 kgReference
Ballasted weight3823 kgReference
Clearance (front axle)65 cmReference
Front tread152 to 223 cmReference
Front tread124 to 200 cmReference
Rear tread132 to 246 cmReference

2640 Serial Number Location

Serial number plate on the right side of the 2640 frame above the front axle.Reference

2640 Serial Numbers

1976235313Reference
1977258106Reference
1978280789Reference
1979305505Reference
1980341000Reference
1981362175Reference
1982376744Reference
FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference
Charging systemalternatorReference
Battery volts12Reference

Test results

Diesel 16-speed 2WDApril 16 - 25, 1974Link: Nebraska Tractor Test 1157 fileReference
PTO performanceReference
Fuel use18.5 l/hourReference
Fuel use16.3 l/hourReference
Drawbar performanceReference
Gear 5-Hi used for power test.Reference
Max pull2934 kgReference
Gear 5-Hi used for pull test.Reference

Speeds

With 16.9-28 rear tires.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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