| Manufacturer | John Deere |
| Price | - |
| Model | 1850 |
| Equipment Type | Utility Tractors |
| Factory | Mannheim, Baden-Württemberg, Germany |
ENGINE DETAIL
The John Deere 1850 features a robust 2.9L, 3-cylinder liquid-cooled diesel engine, offering a rated RPM of 2400 with a maximum torque of 143.8 lb-ft available at 1300 RPM, ideal for high-load conditions like heavy tillage. Its dry air cleaner setup aids in reducing maintenance frequency, while the recommended oil change interval of 200 hours ensures optimal engine performance and longevity. Challenges may include sourcing replacement parts due to its age and specific maintenance requirements during extended operations.
| Description | John Deere diesel 3-cylinder liquid-cooled |
| Displacement | 179.4ci / 2.9L |
| Bore/Stroke | 4.19x4.33inches / 106x 110mm |
| Air cleaner | dry |
| Rated RPM | 2400 |
| Torque | 143.8lb-ft / 195.0Nm |
| Torque RPM | 1300 |
| Starter volts | 12 |
| Starter power | 4hp / 3.0kW |
| Oil change | 200 h |
JOHN DEERE 1850 ENGINE
The John Deere 1850 features a robust 2.9L three-cylinder diesel engine, offering a balance of power and efficiency for farm applications. With a 20.6-gallon (78.0L) fuel tank, it provides extended operational time, ideal for larger acreage without frequent refueling. Potential challenges include engine maintenance and fuel filtration; however, proper upkeep can enhance longevity and performance.
| Description | John Deere 2.9L 3-cyl diesel |
| Fuel tank | 20.6gal / 78.0L |
TRANSMISSIONS OVERVIEW
The John Deere 1850 features an 8-speed synchromesh transmission, which provides smooth shifting for standard operations, along with a 16-speed two-speed power shift option for enhanced power management during heavy-duty tasks. The 12-speed creeper gear allows for precise control at low speeds, ideal for applications such as tilling or planting. However, the complexity of the transmission system may pose challenges in maintenance and requires experienced operators to fully utilize its potential.
| Description | 8-speed synchromesh 16-speed two-speed power shift 12-speed creeper |
TRANSMISSION 1
The John Deere 1850's synchromesh transmission offers smooth gear shifting across 8 forward speeds and 4 reverse, enhancing operational efficiency for various field tasks. The four gears arranged in two ranges (I and II) provide versatility, making it suitable for both low-speed tasks such as plowing and high-speed transport. However, operators may face a learning curve to effectively utilize the range shift, which could impact productivity during initial use.
| Type | synchromesh |
| Gears | 8 forward and 4 reverse |
| Description | Four gears (1-4) in two ranges (I and II) plus reverse (R) range |
SPEEDS 1
| Description | With 12.4/11-32 rear tires |
TRANSMISSION 2
The John Deere 1850 tractor features a two-speed power shift transmission with 16 forward and 8 reverse gears, enhancing versatility in various agricultural applications. The optional Power Synchronized transmission allows for seamless gear shifts using a left-hand lever, improving operator efficiency during field operations. However, the complexity of the transmission may require more maintenance and understanding from the operator, posing a potential learning curve.
| Transmission | Power Synchronized |
| Type | two-speed power shift |
| Gears | 16 forward and 8 reverse |
| Description | The optional Power Synchronized transmission adds a left-hand power shift to the basic transmission |
TRANSMISSION 3
The John Deere 1850 tractor features a creeper transmission with 12 forward and 8 reverse gears, allowing for precise control during low-speed operations, making it ideal for tillage and detailed agricultural tasks. The dry disc clutch offers efficient engagement and disengagement, providing reliability but may necessitate more frequent adjustments compared to wet clutches. A potential challenge is the limited top speed, which may hinder transport between fields, necessitating planning for logistics.
| Type | creeper |
| Gears | 12 forward and 8 reverse |
| Clutch | dry disc |
JOHN DEERE 1850 TRANSMISSIONS
The John Deere 1850 features an 8-speed synchromesh transmission, enabling smooth gear shifts for optimal torque management during varied field operations. Its 16-speed two-speed power shift provides versatility for adjusting speeds under load, while the 12-speed creeper allows for precise control during tasks requiring low-speed functionality, such as tilling or planting. While these transmission options enhance operational flexibility, users should be mindful of potential maintenance complexities with multi-speed systems and ensure regular servicing to maximize efficiency.
| Description | 8-speed synchromesh 16-speed two-speed power shift 12-speed creeper |
MECHANICAL
The John Deere 1850 tractor features a planetary final drive system, which provides enhanced torque transfer and durability under heavy loads, making it suitable for various agricultural tasks. The optional hydraulic disc brakes offer improved stopping power, though they may require higher maintenance compared to traditional systems. When equipped with the MC1 or CC2 cab, operator comfort is significantly increased, though the added weight could impact maneuverability in tight spaces.
| Description | Two- or four-wheel drive Power steering Hydraulic disc brakes ROPS. Optional MC1 cab, or CC2 cab after 1990 |
| Final drive | planetary |
HYDRAULICS
| Type | closed-center constant pressure |
| Pressure | 2756psi / 190.0bar |
| Pump flow | 11.6gpm / 43.9lpm |
TRACTOR HITCH
| Rear Type | II/I |
| Control | position and draft control |
| Rear lift (at 24) | 2810lbs / 1274kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | hydraulic wet disc |
| Rear RPM | 540/540/1000 |
| Engine RPM | 540@2070 |
JOHN DEERE 1850 TIRES
The John Deere 1850 tractor offers versatile configurations with both 2WD and 4WD options, which enhances its adaptability across various agricultural applications. The 2WD variant with standard ag tires (7.50-16 front, 16.9-30 rear) is ideal for lighter tasks on stable terrain, while the 4WD configuration (11.2-24 front, 16.9-30 rear) provides superior traction and stability on uneven or muddy surfaces. When selecting between these options, consider operational demands: 4WD excels in challenging conditions but may have slightly higher maintenance costs compared to 2WD.
| 2WD Standard tires (ag) | Front: 7.50-16. Rear: 16.9-30 |
| 4WD Standard tires (ag) | Front: 11.2-24. Rear: 16.9-30 |
DIMENSIONS & TIRES
The John Deere 1850 features a wheelbase of 80.7 inches, providing a stable platform for various agricultural tasks, though its 2WD configuration may limit traction on uneven terrain. With a weight range of 5,997 to 6,991 pounds, it offers a good balance of stability and maneuverability, making it suitable for medium-sized farming operations. The tire specifications (7.50-16 front and 16.9-30 rear) indicate a strong capability for tillage and transport, but operators should consider potential challenges in wet or slippery conditions due to the lack of four-wheel drive.
| Wheelbase | 80.7inches / 204cm |
| Weight | 5997 to 6991 pounds |
| Front tire | 7.50-16 |
| 2WD Rear tire | 16.9-30 |
ELECTRICAL
| Ground | negative |
| Charging amps | 55 |
| Batteries | 2 |
| Battery volts | 12 |
| Battery AH | 55 |