Contents
- Dimensions
- Wheel Tread
- Weight
- Tire Size and Pressure
- Engine Details
- Operational Specs
- Transmission
- PTO (Power Take-Off)
- Hydraulic System
- Service Refill Capacities
- John Deere 2640 Filters
- Serial Numbers & PIN Location
- John Deere 2640 Attachments
- John Deere 146 Loader
- JD 31 Posthole Digger (PTO)
- JD 31 Posthole Digger (Hydraulic)
Dimensions
| Overall Length (w/ 3-point hitch) | 139.5 in (3540 mm) |
| Overall Width (minimum) | 69.5 in (1765 mm) |
| Overall Height (w/ Roll-Gard) | 89.3 in (2268 mm) |
| Height to Top of Muffler | 81.25 in (2064 mm) |
| Height to Top of Hood | 55.75 in (1416 mm) |
| Wheelbase (straight axle) | 85.75 in (2178 mm) |
| Wheelbase (swept-back axle) | 79.4 in (2016 mm) |
| Ground Clearance (front axle) | 19.6 in (498 mm) |
Wheel Tread
| Front Tread (straight axle) | 60 to 93 in (1524 – 2362 mm) |
| Front Tread (heavy duty straight) | 53 to 79 in (1346 – 2007 mm) |
| Front Tread (swept-back axle) | 49 to 79 in (1245 – 2007 mm) |
| Rear Tread (rack-and-pinion) | 56 to 96 in (1422 – 2438 mm) |
| Turning Radius (straight axle) | 121 in (3073 mm) |
| Turning Radius (swept-back axle) | 116 in (2946 mm) |
Weight
| Operating Weight | 5800 lb (2630 kg) |
| Shipping Weight | 5700 lb (2359 kg) |
| Ballasted Weight | 8430 lb (3823 kg) |
| Tire Ballast Weights (Cast Iron) | 100 lb (45.4 kg) / 110 lb (49.9 kg) / 140 lb ( 63.5 kg) |
| Front Weights (Up to 6) | 75 lb (34 kg) / 103 lb (47 kg) |
Tire Size and Pressure
| Front Tires | Inflation Pressure (w/o ballast) | Inflation Pressure (w/ max ballast) | Max Load Capacity |
|---|---|---|---|
| 6.00-16, 4 ply | 24 psi (165.5 kPa) | 36 psi (248 kPa) | 1000 lb (453 kg) |
| 7.5L-15, 6 ply | 28 psi (193 kPa) | 44 psi (303 kPa) | 1590 Ib (721 kg) |
| 7.50-16, 6 ply | 28 psi (193 kPa) | 44 psi (303 kPa) | 1650 lb (648 kg) |
| 9.5L-15, 6 ply | 28 psi (193 kPa) | 36 psi (248 kPa) | 1700 lb (771 kg) |
| 11L-15, 6 ply | 24 psi (165.5 kPa) | 32 psi (221 kPa) | 1910 lb (866 kg) |
| 27/9.5-15, 6 ply | 24 psi (165.5 kPa) | 40 psi (276 kPa) | 1615 lb (734 kg) |
| Rear Tires | Inflation Pressure (w/o ballast) | Inflation Pressure (w/ max ballast) | Max Load Capacity |
| 13.6-38, 4 ply | 14 psi (96 kPa) | 14 psi (96 kPa) | 2810 lb (1274 kg) |
| 15.5-38, 6 ply | 18 psi (124 kPa) | 20 psi (138 kPa) | 3890 lb (1764 kg) |
| 16.9-24, 6 ply | 16 psi (110 kPa) | 18 psi (124 kPa) | 3800 lb (1723 kg) |
| 16.9-28, 6 ply | 16 psi (110 kPa) | 18 psi (124 kPa) | 4050 lb (1837 kg) |
| 16.9-30, 6 ply | 16 psi (110 kPa) | 18 psi (124 kPa) | 4180 lb (1896 kg) |
| 18.4-26, 6 ply | 16 psi (110 kPa) | 16 psi (110 kPa) | 4390 lb (1991 kg) |
| 18.4-30, 6 ply | 16 psi (110 kPa) | 16 psi (110 kPa) | 4680 lb (2123 kg) |
Engine Details
| Number of Cylinders | 4 |
| Engine Make | John Deere |
| Engine Model | John Deere 4276D DIesel |
| Displacement | 276 cu in (4.5 L) |
| Bore | 4.19 in (106.5 mm) |
| Stroke | 5.00 in (127 mm) |
| Horsepower | 70.4 hp (52.5 kw) |
| Horsepower at PTO Speed | 69.0 hp (51.5 kw) |
| Max Drawbar Horsepower | 57.9 hp (43.2 kw) |
| Power Measured @ | 2500 rpm |
| Compression | 16.7:1 |
| Slow Idle | 800 rpm |
| Fast Idle | 2650 rpm |
| Fuel System | Direct injection |
| Lubrication System | Force-feed, pressurized with full-flow filter |
| Cooling System | Pressure with centrifugal pump heavy duty thermostat |
| Air Cleaner | Dry type with secondary element |
| Aspiration | Naturally aspirated |
| Fuel Consumption | 4.3 – 4.9 gal/h (16.3 – 18.5 L/h) |
Operational Specs
| Operating Weight | 5800 lb (2630 kg) |
| Shipping Weight | 5700 lb (2359 kg) |
| Operating Voltage | 12 V |
| Alternator | 35 amps |
| Battery (Standard) | 1x 12 V, CCA 580, RC: 180 min, 30H group (AT29160) |
| Battery (Optional) | 2x 12 V, CCA 370, RC: 106 min, 24 group (AR67338) |
| Tractor Cab | Open operator station |
| Drive | 4×2 2WD |
| Steering | Mechanical with power assist |
| Differential lock | Mechanical rear |
Transmission
| Model | Collar Shift | Hi-Lo Shift | Reverser |
|---|---|---|---|
| Type | 2-speed range selector and 4-speed gear selector | Collar shift plus 2-speed planetary unit, spring loaded into Lo position | Collar shift with hydraulic-mechanical unit to provide travel direction change without clutching or shifting gears same as collar shift. |
| Number of Gears | 8F / 4R | 16F / 8R | 8F / 8R (Reverser usable on Lo and reverse ranges only) |
| Max Forward Speed | 18.2 mph (29.3 km/h) | 18.2 mph (29.3 km/h) | 18.2 mph (29.3 km/h) |
| Max Reverse Speed | 5.4 mph (8.6 km/h) | 4.2 mph (6.8 km/h) | 5.4 mph (8.6 km/h) |
| Clutch | Foot-operated dry disc | Hydraulically actuated wet clutches | Hydraulically actuated wet clutches |
| Service Brakes | Hydraulically actuated, wet disc type | ||
PTO (Power Take-Off)
| PTO Type | Independent or continuous |
| Rear PTO Speed | 540 or 540/1000 |
| Size | 1-3/8 in (35 mm) |
| Clutch | Hydraulically-operated, multiple-disc wet clutch (independent PTO) or dual stage, foot-operated dry disc (continuous PTO) |
Hydraulic System
| Type | Closed center, constant pressure |
| Pump Flow | 9 gal/min (34.1 L/min) |
| Total Pump Flow | 15 gal/min (56.8 L/min) |
| Standby Oil Pressure | 2250 psi (15 513 kPa) |
| Remote Control Valves | 2-4 |
| 3 Point Hitch Category | Category I & II |
Service Refill Capacities
| Fuel Tank Capacity | 19.5 gal (73.8 L) |
| Engine Oil Capacity (w/ filter) | 2.2 gal (8.5 L) |
| Cooling System Capacity | 3 gal (11.4 L) |
| Transmission / Hydraulic Oil Capacity | 10 gal (38 L) |
| Belt Pulley Fluid Capacity | 0.08 gal (0.3 L) |
John Deere 2640 Filters
| Fuel Filter Element | AR50041 |
| Engine Oil Filter | T19044 |
| Transmission/Hydraulic Oil Filter | AR75603 |
| Primary Air Filter Element | AR84228 |
| Secondary Air Filter Element | AE31724 |
Serial Numbers & PIN Location
Serial number plate (PIN) on the right side of the JD 2640 tractor frame, above the front axle.
| Year | Serial Number | Year | Serial Number |
|---|---|---|---|
| 1976 | 235313 | 1980 | 341000 |
| 1977 | 258106 | 1981 | 362175 |
| 1978 | 280789 | 1982 | 376744 |
| 1979 | 305505 |
John Deere 2640 Attachments
The John Deere 2640 Utility Tractor, produced from the late 1970s through the early 1980s, was one of the most versatile and well-balanced models in Deere’s 40 Series lineup. Powered by a durable 4-cylinder diesel engine and available with Synchro-Range or Hi-Lo transmissions, the 2640 offered a perfect blend of power, maneuverability, and reliability for farm, ranch, or property maintenance work.
John Deere 146 Loader
| A. Maximum Lift Height | 123.0 in (3122 mm) |
| B. Clearance with Bucket Dumped | 97.0 in (2462 mm) |
| C. Reach at Maximum Height | 40.8 in (1036 mm) |
| D. Maximum Dump Angle | 39° |
| E. Reach with Bucket on Ground | 76.3 in (1938 mm) |
| F. Bucket Rollback Angle | 14.2° |
| G. Digging Depth | 4.9 in (124 mm) |
| H. Overall Height in Carry Position | 58.3 in (1580 mm) |
| J. Maximum Lift Height (Bucket Flat) | 116.4 in (2957 mm) |
| K. Overall Length | 197.2 in (5009 mm) |
| L. Length of Bucket | 29.0 in (734 mm) |
| R. Rollback Angle at Full Height | 90.8° |
| W. Lift Capacity to Full Height (bucket bottom midpoint), 123.0 in (3122 mm) | 2522 lb (1143 kg) |
| Lift Capacity at 78.7 in (2000 mm) | 2640 lb (1307 kg) |
| Lift Capacity at 39.4 in (1000 mm) | 3163 lb (1566 kg) |
| Lift Capacity at 19.7 in (500 mm) | 3912 lb (1774 kg) |
| Breakout Force | 3705 lbf (16.5 kN) |
| Raise Loader Time | 3.3 sec |
| Lower Loader Time | 3.2 sec |
| Dump Bucket Time | 2.5 sec |
| Roll Back Bucket Time | 3.4 sec |
| Loader Weight (approx.) | 1250 lb (567 kg) |
This tractor supports a wide range of implements and front-end attachments, making it suitable for both agricultural and utility applications. Popular pairing options included the John Deere 146 front loader for material handling, the John Deere 31 PTO or hydraulic posthole digger for fencing and groundwork, and numerous 3-point hitch implements such as mowers, blades, tillers, plows, and cultivators.
JD 31 Posthole Digger (PTO)
| Drive | Power Take-Off |
| Auger RPM (max) | 540 rpm |
| Drilling Depth (standard) | 42 in (1067 mm) |
| Drilling Depth (with auger extension) | 50 in (1270 mm) |
| Max Lift Limit, Standard Auger | 66 in (1676 mm) |
| Max Lift Limit, 8 in (203 mm) Extension Attachemt | 73 in (1854 mm) |
| Weight (less auger) | 180 lb (82 kg) |
| Using Boom as a Crane (lift capacity) | 1250 Ib (567 kg) |
| Auger Diameters | 9, 12, 14, 18 or 24 in (229, 305, 356, 457 or 610 mm) |
| Auger Type | Double-flight augers with serrated blades |
JD 31 Posthole Digger (Hydraulic)
| Displacement | 17.7 cu in (0.29 L) |
| Auger RPM w/ 10 gal/min (37.9 L/min) @ 1500 psi (10300 kPa) | 115 rpm |
| Starting Torque @ 1500 psi (10300 kPa) | 300 lb ft (406.8 Nm) |
| Running Torque @ 1500 psi (10300 kPa) | 335 lb ft (454.3 Nm) |
| Pressure Operating Range | 1500 – 2500 psi (10300 – 17200 kPa) |
| Drilling Depth (standard) | 42 in (1067 mm) |
| Drilling Depth (with auger extension) | 50 in (1270 mm) |
| Max Lift Limit, Standard Auger | 69 in (1753 mm) |
| Max Lift Limit, 8 in (203 mm) Extension Attachemt | 76 in (1930 mm) |
| Using Boom as a Crane (lift capacity) | 1250 Ib (567 kg) |
| Weight (less auger) | 152 lb (68.9 kg) |
| Auger Diameters | 9, 12, 14, 18 or 24 in (229, 305, 356, 457 or 610 mm) |
| Auger Type | Double-flight augers with serrated blades |
With its strong hydraulic system, Category II hitch, and rugged frame, the JD 2640 remains a trusted platform for operators who need a capable all-around workhorse.
