| Overview | |
|---|---|
| Model | John Deere 1140 |
| Years | 1980 – 1987 |
| Series | 40 Utility Series |
| Manufacturer | John Deere |
| Factory | Mannheim, Baden-Württemberg, Germany |
| Engine | |
|---|---|
| Model | John Deere |
| Type | Diesel, 3-cylinder, liquid-cooled |
| Displacement | 2.9 L (179 ci) |
| Bore/Stroke | 4.19 x 4.33 inches (106 x 110 mm) |
| Compression Ratio | 16.8:1 |
| Rated RPM | 2500 |
| Torque | 136.4 lb-ft (185.0 Nm) at 1400 RPM |
| Starter | Electric, 12 volts, 4 hp (3.0 kW) |
| Oil Capacity | 7.4 qts (7.0 L) |
| Coolant Capacity | 16.4 qts (15.5 L) |
| Transmission | |
|---|---|
| 8-speed | collar shift (8 forward, 4 reverse) |
| 16-speed | two-speed power shift (16 forward, 8 reverse) |
| Clutch | Dry disc |
| Dimensions | |
|---|---|
| Wheelbase | 80.7 inches (204 cm) |
| Length | 138 inches (350 cm) |
| Width | 71.3 inches (181 cm) |
| Height (cab) | 97.3 inches (247 cm) |
| Height (exhaust) | 104 inches (264 cm) |
| Ground Clearance | 24.5 inches (62 cm) |
| Weight | 5,300 lbs (2,404 kg) |
| Capacities | |
|---|---|
| Fuel Capacity | 20.6 gallons (78.0 liters) |
| Hydraulic System Capacity | 14.5 gallons (54.9 liters) |
| Hydraulics | |
|---|---|
| Type | Closed center constant pressure |
| Pressure | 2,466 psi (170.0 bar) |
| Pump Flow | 12.4 gpm (46.9 lpm) |
| 3-Point Hitch | |
|---|---|
| Rear Type | Category II/I |
| Control | Lower-link draft control |
| Rear Lift Capacity | 5,291 lbs (2,399 kg) |
| Power Take-Off (PTO) | |
|---|---|
| Rear PTO | Independent |
| Clutch | Hydraulic disc |
| Rear PTO Type | 540 (1.375-inch shaft) |
| Engine RPM for PTO | 540 at 2400 RPM |
| Electrical | |
|---|---|
| Ground | Negative |
| Charging System | Alternator |
| Charging Amps | 55 A |
| Batteries | 2 |
| Battery Volts | 12 V |
| Battery AH | 55 |
| Tires | |
|---|---|
| Front | 7.50-16 |
| Rear | 13.6-36 (2WD) |
| Mechanical | |
|---|---|
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering | Power |
| Brakes | Hydraulic wet disc |
| Cab | Four-post ROPS, Cab optional |
John Deere 1140 Overview
The John Deere 1140, produced between 1980 and 1987, is part of the European-built 40 Series, known for its practical engineering and field-ready design. Manufactured in Mannheim, Germany, the 1140 was targeted at small to mid-sized farms needing a versatile and reliable utility tractor. Though modest in horsepower by modern standards, this tractor became a dependable favorite for everyday farming tasks due to its simplicity, solid construction, and operational efficiency.
Engine and Powertrain
The 1140 is powered by a naturally aspirated 2.9-liter, 3-cylinder diesel engine, producing around 55 horsepower. Its straightforward mechanical design, including liquid cooling, a dry air cleaner, and electric start, contributes to excellent longevity and ease of service. One of the standout qualities of the engine is its consistent torque and low-end pulling ability, making it effective for heavy work despite its small size. Farmers particularly appreciated the engine’s fuel economy—delivering efficient performance with low running costs over time.
Two transmission configurations were available: an 8-speed collar shift and a 16-speed two-speed power shift. The base 8-speed was basic but durable, while the optional 16-speed offered better control and smoother transitions under load. While gear changes on early collar shift models could feel mechanical and stiff, both options were generally reliable. These transmission choices, combined with a simple dry clutch system, gave users flexibility depending on the task—whether loader work, road transport, or field cultivation.
Hydraulics and PTO
The hydraulic system of the 1140 is a closed-center constant pressure setup—a system normally found on larger tractors of the time. This gave it an edge in precision and responsiveness when using implements. With a flow rate of 12.4 gpm and a rear lift capacity of up to 5,291 lbs, the 1140 could operate a wide range of Category I and II implements. The rear PTO is independent and offers standard 540 rpm operation, with hydraulic wet disc engagement providing durability and ease of use. This made the tractor well-suited for mowing, baling, or other PTO-driven jobs.
Chassis, Design and Dimensions
The tractor’s design emphasizes practicality. With a wheelbase of 80.7 inches and a weight around 5,300 pounds, it strikes a balance between compact maneuverability and solid traction. The available 2WD and 4WD versions allowed it to be tailored to different terrain conditions. The ground clearance of over 24 inches was sufficient for row crop work, while its sturdy chassis and planetary final drives supported longevity even under frequent heavy use. Tire configurations allowed for both general field and pasture work, and its overall proportions made it ideal for working in tighter yard spaces or around buildings.
Operator Comfort and Usability
The 1140 featured a simple but functional operator platform. Most units came with a four-post ROPS, and an optional factory cab offered basic weather protection and heating. Visibility from the cab was generally good, and control layout was intuitive for the time. Though basic by today’s standards, the operating environment was appreciated for being uncluttered and easy to maintain. Power steering, reliable braking, and logically placed levers made day-to-day use straightforward, especially for users who valued mechanical over electronic systems.
Common Issues
Despite its reputation for reliability, the 1140 had some common concerns, particularly with the hydraulic system. Overfilling the hydraulic reservoir or using contaminated fluid could cause sluggish steering or leaks. Regular oil changes and system cleaning typically resolved these issues. Other minor complaints involved wear in the gear linkages, leading to stiffer shifting after years of use, and the occasional electrical fault due to aging harnesses in older models. However, none of these issues were considered design flaws—most were maintenance-related and expected from a machine in long-term use.
Advantages
The John Deere 1140 offered several clear benefits to its owners. It combined strong, simple engineering with just enough refinement to meet a variety of farm demands. It was economical to run, parts were widely available (especially in Europe), and it handled both light and moderate tasks efficiently. Its compact form made it maneuverable and well-suited for loader work or working in smaller fields. The closed-center hydraulic system, normally seen in larger models, gave it an advantage when using more demanding implements.
Disadvantages
The most notable limitations were not in the design but in the aging components over time. As these tractors aged, the hydraulic system required close attention to avoid contamination. The dry clutch system, while reliable, needed more frequent adjustment than modern alternatives. Additionally, while the operator station was comfortable for the 1980s, it lacks the noise isolation, suspension, and climate controls that newer cabs offer. The 2WD variant could also struggle with traction under load in wet or hilly terrain unless appropriately ballasted.
The John Deere 1140 remains a solid example of well-engineered, mechanical simplicity in a utility tractor. Its durable powertrain, efficient hydraulics, and overall versatility made it a favorite among smallholders and mixed-crop operations. Even today, many units are still in active service, a testament to their build quality and support from parts networks. For farmers looking for a classic, no-nonsense tractor that’s easy to maintain and performs reliably, the 1140 continues to hold significant value both in function and reputation.
