| Manufacturer | John Deere |
| Price | - |
| Model | 3140 |
| Equipment Type | Utility Tractors |
| Factory | Mannheim, Baden-Württemberg, Germany |
JOHN DEERE 3140 POWER
| Engine | 97hp / 72.3kW |
| PTO (claimed) | 84hp / 62.6kW |
ENGINE DETAIL
The John Deere 3140 tractor features a robust 5.9L diesel engine producing 97hp and 236 lb-ft of torque at a low 1400 RPM, making it suitable for tasks requiring significant pulling power. Its direct injection fuel system and high compression ratio of 16.8:1 enhance efficiency and power delivery, although potential challenges include managing fuel quality to maintain engine performance. With a substantial oil capacity of 12.2 quarts and coolant capacity of 25.4 quarts, maintenance intervals can accommodate longer operation periods, ideal for extensive agricultural work.
| Description | John Deere diesel 6-cylinder liquid-cooled |
| Displacement | 359ci / 5.9L |
| Bore/Stroke | 4.19x4.33inches / 106x 110mm |
| Power | 97hp / 72.3kW |
| Fuel system | direct injection |
| Compression | 16.8:1 |
| Rated RPM | 2500 |
| Operating RPM | 1400-2500 |
| Torque | 236lb-ft / 320.0Nm |
| Torque RPM | 1400 |
| Starter volts | 12 |
| Starter power | 4hp / 3.0kW |
| Oil capacity | 12.2qts / 11.5L |
| Coolant capacity | 25.4qts / 24.0L |
JOHN DEERE 3140 ENGINE
The John Deere 3140 features a robust 5.9L 6-cylinder diesel engine, providing reliable power and torque for various agricultural tasks. Its efficient fuel management system enhances productivity, while the tractor's weight distribution offers improved stability during field operations. However, users should be aware of the potential challenges related to maintenance of the diesel engine, including timely oil and filter changes to ensure longevity and optimal performance.
| Description | John Deere 5.9L 6-cyl diesel |
TRANSMISSION
The John Deere 3140 tractor features a Power Syncron transmission with 16 forward and 8 reverse gears, providing excellent versatility in varied field conditions. With an oil capacity of 63.4 quarts (60.0 liters), it ensures optimal lubrication and thermal regulation during extended operations. The combination of these specs makes it suitable for both small to medium-sized farms, allowing efficient handling of tasks such as plowing and transporting implements, though potential challenges may arise in tighter maneuvering spaces due to its gear complexity.
| Type | Power Syncron |
| Gears | 16 forward and 8 reverse |
| Oil capacity | 63.4qts / 60.0L |
SPEEDS
| Description | With 18.4/15-38 rear tires |
MECHANICAL
The John Deere 3140 features an optional 4x4 MFWD for enhanced traction, making it suitable for various terrains and improving field performance, especially in challenging conditions. Its power steering enhances maneuverability, while the 16-speed Power Syncron transmission allows for precise speed control and efficient operation. However, the choice between 2WD and 4WD configurations may affect overall fuel efficiency and maintenance, so users should assess their specific operational needs.
| Chassis | 4x2 2WD / 4x4 HFWD 4WD / 4x4 MFWD 4WD |
| Steering | power |
| Brakes | wet disc |
| Cab | Cab standard |
| Transmission | 16-speed Power Syncron |
CAPACITY
| Fuel | 33.3gal / 126.0L |
| Hydraulic system | 15.85gal / 60.0L |
HYDRAULICS
| Type | closed center |
| Capacity | 15.85gal / 60.0L |
| Valves | 1 |
| Pump flow | 12.4gpm / 46.9lpm |
TRACTOR HITCH
| Rear Type | II |
| Rear lift | 7683lbs / 3485kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | hydraulic wet disc |
| Rear RPM | 540/1000 |
| Engine RPM | 540@2400 / 1000@2400 |
JOHN DEERE 3140 TIRES
The John Deere 3140 tractor offers configurations in both 2WD and 4WD, providing versatility depending on terrain and field conditions. The front tire sizes, 10.00-16 in 2WD and 13.6-28 in 4WD, enhance traction and stability, critical for field operations. The dual rear tire sizing (18.4/15-38) supports heavy load capacities, making it well-suited for agricultural tasks but may present challenges in tighter spaces or when maneuverability is essential.
| 2WD Standard tires (ag) | Front: 10.00-16. Rear: 18.4/15-38 |
| 4WD Standard tires (ag) | Front: 13.6-28. Rear: 18.4/15-38 |
DIMENSIONS
| 2WD Wheelbase | 100.4inches / 255cm |
| MFWD Wheelbase | 101.7inches / 258cm |
| HFWD Wheelbase | 100.3inches / 254cm |
| Length | 172.6inches / 438cm |
| Width | 81.5inches / 207cm |
| Height (cab) | 109.7inches / 278cm |
| Height (exhaust) | 119.6inches / 303cm |
| 2WD Clearance (front axle) | 27.3inches / 69cm |
| MFWD Clearance (front axle) | 20.9inches / 53cm |
| HFWD Clearance (front axle) | 21inches / 53cm |
| 2WD Front tread | 56.9 to 82.5inches / 144to 209cm |
| MFWD Front tread | 63.3 to 79inches / 160to 200cm |
| HFWD Front tread | 64.6 to 80.6inches / 164to 204cm |
| Rear tread | 64 to 82.7inches / 162to 210cm |
JOHN DEERE 3140 WEIGHT
| 2WD | 8896lbs / 4035kg |
| MFWD | 9711lbs / 4404kg |
| HFWD | 9932lbs / 4505kg |
DIMENSIONS & TIRES
The John Deere 3140 tractor offers a robust design with a weight range of 8896 to 9932 pounds, providing stability and traction in a variety of agricultural applications. The 2WD and MFWD options, with wheelbases of 100.4 inches and 101.7 inches respectively, enhance maneuverability while the rear tires (18.4/15-38) offer significant ground contact for improved load-bearing capabilities. However, the 2WD configuration may limit traction in muddy or hillside conditions compared to the MFWD setup, making the latter more suitable for diverse terrains.
| 2WD Wheelbase | 100.4inches / 255cm |
| MFWD Wheelbase | 101.7inches / 258cm |
| HFWD Wheelbase | 100.3inches / 254cm |
| Weight | 8896 to 9932 pounds |
| Front tire | 10.00-16 |
| 2WD Rear tire | 18.4/15-38 |
3140 SERIAL NUMBERS
| 1980 | 358903 |
| 1981 | 393578 |
| 1982 | 433669 |
ELECTRICAL
| Ground | negative |
| Charging amps | 55 |
| Batteries | 2 |
| Battery volts | 12 |
| Battery AH | 88 |