John Deere 2640 Specs ( 1976-1982 )
Overview
The John Deere 2640 is a versatile utility tractor manufactured in Dubuque, Iowa, featuring a robust 4.5L 4-cylinder diesel engine that delivered a tested 70.37 PTO horsepower. Known for its adaptability, this farm tractor offers multiple transmission options including a 16-speed power shift and a closed center hydraulic system providing 2250 psi.
Ideal Applications
Heavy-Duty Utility Work:
With a tested maximum pull of 6,470 lbs and an operating weight of 5,800 lbs, this tractor is well-suited for demanding farm tasks requiring significant drawbar power.
Implement Operations:
The independent 540 RPM rear PTO and Category II/I hitch, supported by a 9 gpm pump flow, allow for efficient operation of various rear-mounted attachments and machinery.
Row Crop Maneuverability:
Adjustable front and rear treads, ranging from 49 to 97 inches depending on the axle configuration, provide the flexibility needed to navigate different field widths and crop spacings.
Production
| Description | Utility tractor / Built in Dubuque, Iowa, USA |
|---|---|
| Manufacturer | John Deere |
Engine
| Engine type | John Deere 4.5L 4-cyl diesel |
|---|---|
| Bore/Stroke | 4.19x5.00 inches (106 x 127 mm) |
| Compression | 16.7:1 |
| Coolant capacity | 12 qts (11.4 L) |
| Description | John Deere / diesel / 4-cylinder / liquid-cooled |
| Displacement | 276 ci (4.5 L) |
| Firing order | 1-3-4-2 |
| Rated RPM | 2500 |
| Starter volts | 12 |
| Drawbar (tested) | 57.88 hp (43.2 kW) |
| PTO (claimed) | 70 hp (52.2 kW) |
| PTO (tested) | 70.37 hp (52.5 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Description | Four gears (1-4) in two ranges (I and II) plus reverse (R) range. / Four gears (1-4) in two ranges (I and II) with a left-hand hydraulic shuttle lever. |
| Gears | 8 forward and 4 reverse / 16 forward and 8 reverse / 8 forward and reverse |
| Transmission | Hi-Lo / Direction Reverser |
| Type | collar shift / two-speed power shift / power shuttle |
| Transmission type | 8-speed collar shift / 16-speed two-speed power shift / 8-speed power shuttle |
| Transmission type | 8-speed collar shift / 16-speed two-speed power shift / 8-speed power shuttle |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Differential hydraulic wet disc brakes |
| Differential lock | mechanical rear |
| Drive type | Two-wheel drive |
| Final drives | planetary |
| Steering | mechanical with power assist |
Capacity
| Fuel | 19.5 gal (73.8 L) |
|---|---|
| Hydraulic system | 10 gal (37.9 L) |
Hydraulics
| Capacity | 10 gal (37.9 L) |
|---|---|
| Pressure | 2250 psi (155.1 bar) |
| Pump flow | 9 gpm (34.1 lpm) |
| Type | closed center |
Hitch
| Rear Type | II/I |
|---|
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 |
Electrical
| Battery volts | 12 |
|---|---|
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Ballasted weight | 8430 lbs (3823 kg) |
|---|---|
| Clearance (front axle) | 25.6 inches (65 cm) |
| Front tread | 60 to 88 inches (straight axle) (152 to 223 cm) / 49 to 79 inches (swept axle) (124 to 200 cm) |
| Height (exhaust) | 101.7 inches (258 cm) |
| Height (hood) | 61.3 inches (155 cm) |
| Length | 139.5 inches (354 cm) |
| Operating weight | 5800 lbs (2630 kg) |
| Rear tread | 52 to 97 inches (rack-and-pinion) (132 to 246 cm) |
| Wheelbase | 85.75 inches*Straight axle (217 cm) |
| Width | 69.5 inches (176 cm) |
| Front tire | 6.00-16 |
| Rear tire | 16.9-28 |
| Weight | 5800 lbs (2630 kg) |
| Wheelbase | 85.75 inches*Straight axle (217 cm) |
| Ag front | 6.00-16 |
| Ag rear | 16.9-28 |
2640 Serial Number Location
| Description | Serial number plate on the right side of the 2640 frame above the front axle. |
|---|
2640 Serial Numbers
| 1976 | 235313 |
|---|---|
| 1977 | 258106 |
| 1978 | 280789 |
| 1979 | 305505 |
| 1980 | 341000 |
| 1981 | 362175 |
| 1982 | 376744 |
| Description | FAQ: How to read a serial number table. |
Nebraska Tractor Test 1157
| Description | Diesel 16-speed 2WDApril 16 - 25, 1974Link: Nebraska Tractor Test 1157 file / PTO performance / Drawbar performance / Gear 5-Hi used for power test. / Gear 5-Hi used for pull test. |
|---|---|
| Fuel use | 4.9 gal/hour (18.5 l/hour) / 4.3 gal/hour (16.3 l/hour) |
| Max power | 57.88 hp (43.2 kW) |
| Max pull | 6,470 lbs (2934 kg) |
| Power at rated engine speed | 70.37 hp (52.5 kW) |
| Power at rated PTO speed | 69.02 hp (51.5 kW) |
References
| Description | 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 |
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Speeds
| Description | With 16.9-28 rear tires. / With 16.9-28 rear tires. |
|---|