| Manufacturer |
John Deere |
| Price |
58,690(USD) |
| Model |
4050 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Waterloo, Iowa, USA |
ENGINES OVERVIEW
The John Deere 4050 offers two robust engine options: a 7.6L 6-cylinder diesel for enhanced power output and a 5.9L 6-cylinder diesel for improved fuel efficiency. The larger 7.6L engine excels in heavy-duty applications, enabling higher torque at lower RPMs, while the 5.9L engine is ideal for lighter tasks, providing cost-effective operation. Key considerations include the 7.6L's increased maintenance requirements and fuel consumption against the 5.9L's advantages in long-term operational costs and lighter load capability.
| Description |
John Deere 7.6L 6-cyl diesel John Deere 5.9L 6-cyl diesel |
ENGINE DETAIL 1
The John Deere 4050 features a robust 6-cylinder diesel engine with a displacement of 7.6L, delivering 130hp at a rated RPM of 2200, which provides ample power for various agricultural tasks. With a compression ratio of 17.0:1, it ensures efficient fuel combustion, enhancing torque and fuel economy, though it may necessitate high-quality diesel to prevent knocking. Challenges might include maintenance of the dry air cleaner and managing oil (18qts) and coolant (21qts) capacities, particularly in extreme operational conditions.
| Description |
John Deere diesel 6-cylinder liquid-cooled |
| Displacement |
466ci / 7.6L |
| Bore/Stroke |
4.56x4.75inches / 116x 121mm |
| Power |
130hp / 96.9kW |
| Air cleaner |
dry |
| Compression |
17.0:1 |
| Rated RPM |
2200 |
| Firing order |
1-5-3-6-2-4 |
| Starter volts |
12 |
| Oil capacity |
18qts / 17.0L |
| Coolant capacity |
21qts / 19.9L |
ENGINE DETAIL 2
The John Deere 4050 features a robust turbocharged 5.9L, 6-cylinder diesel engine, offering a high compression ratio of 17.8:1 for efficient power output at a rated RPM of 2200. Its bore and stroke configuration (4.19 x 4.33 inches) enhances torque delivery, beneficial for heavy-duty applications in agriculture. However, potential challenges include a higher maintenance demand due to turbocharger complexity and the need for quality diesel fuel to prevent engine knock.
| Description |
John Deere turbocharged diesel 6-cylinder liquid-cooled/The 5.9-liter (359) engine was used in European-market 4050 tractors and appreared on North American models just after the start of the 1986 model year, tractor serial number 006509 |
| Displacement |
359ci / 5.9L |
| Bore/Stroke |
4.19x4.33inches / 106x 110mm |
| Compression |
17.8:1 |
| Rated RPM |
2200 |
JOHN DEERE 4050 ENGINES
The John Deere 4050 tractor offers a powerful 7.6L 6-cylinder diesel engine variant, ideal for demanding agricultural tasks requiring high torque and reliability, as well as a more fuel-efficient 5.9L 6-cylinder diesel option, suitable for lighter applications. The primary advantage of the larger engine is enhanced performance during heavy pulling or tillage operations, while the smaller engine may provide cost savings in fuel consumption and maintenance. Potential challenges include balancing engine power with transmission capabilities to avoid drivetrain stress, particularly in high-load scenarios.
| Description |
John Deere 7.6L 6-cyl diesel John Deere 5.9L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 4050 features an advanced 16-speed partial power shift transmission, offering smooth gear transitions and enhanced control for varying terrain, suitable for diverse farming operations. The 15-speed full power shift variant provides seamless shifting without loss of power, increasing productivity in heavy-duty applications. Operators should consider the transmission type based on their specific needs; partial power shift is ideal for versatility, while full power shift excels in maximum efficiency for intensive tasks.
| Description |
16-speed partial power shift 15-speed full power shift |
TRANSMISSION 1
The John Deere 4050’s Quad-Range transmission provides a combination of 16 forward and 6 reverse gears, enhancing its versatility for various agricultural tasks. The partial power shift allows for seamless speed transitions within ranges 1-2 and 3-4, but requires the tractor to be stopped for range selection, which may affect operational efficiency during field work. The Perma-Clutch wet disc system ensures smoother engagements, but operators should be mindful of maintaining the 64-quart oil capacity for optimal performance and durability.
| Transmission |
John Deere Quad-Range |
| Type |
partial power shift |
| Gears |
16 forward and 6 reverse |
| Clutch |
Perma-Clutch wet disc |
| Oil capacity |
64qts / 60.6L |
| Description |
Tractor must be stopped to select one of four ranges. Clutchless power shift between speeds 1-2 and 3-4 in range. A synchronized shift (using clutch) can be made between 2 and 3 in range |
SPEEDS 1
| Description |
With 18.4-38 rear tires |
TRANSMISSION 2
The John Deere 4050's Power Shift transmission offers seamless gear shifts without the need for a traditional clutch, enhancing operator comfort and productivity while managing 15 forward and 4 reverse gears. The advanced Perma-Clutch wet disc system facilitates smoother transitions, though potential challenges may arise in terms of hydraulic maintenance and overall power loss if not serviced regularly. With an oil capacity of 42-54 quarts depending on the drive type, proper lubrication is crucial for maintaining transmission performance and extending service life.
| Transmission |
John Deere Power Shift |
| Type |
full power shift |
| Gears |
15 forward and 4 reverse |
| Clutch |
Perma-Clutch wet disc |
| Oil capacity |
42qts (2WD) / 39.7L 54qts (4WD) / 51.1L |
| Description |
Optional transmission. Full (clutchless) power shift can be made between gears, forward and reverse |
SPEEDS 2
| Description |
With 18.4-38 rear tires |
JOHN DEERE 4050 TRANSMISSIONS
The John Deere 4050 features advanced transmission options, with a 16-speed partial power shift providing flexibility and ease of operation, and a 15-speed full power shift that enhances performance in varying field conditions. The power shift capability allows for seamless gear changes without manual clutching, improving operator efficiency and reducing fatigue. However, potential challenges include maintenance of the transmission system and the need for operator training to optimize gear selection for specific tasks.
| Description |
16-speed partial power shift 15-speed full power shift |
MECHANICAL
The John Deere 4050 tractor features a durable design with a hydrostatic transmission that provides smooth operation in both two- and four-wheel drive configurations; this is advantageous for versatility in various field conditions. Power steering enhances maneuverability, while the standard Sound-Gard cab equipped with air-conditioning offers operator comfort, although the optional Roll-Gard ROPS is essential for safety in rollover scenarios. The hydraulic rear differential lock allows for improved traction, particularly beneficial in muddy or uneven terrains.
| Description |
Two- or four-wheel drive Power steering Hydrostatic wet disc brakes Sound-Gard cab standard with air-conditioning. Optional four-post Roll-Gard ROPS |
| Final drive |
inboard planetary |
| Differential lock |
hydraulic rear |
CAPACITY
| Fuel |
46gal / 174.1L |
| Hydraulic system |
10.5gal (2WD Power Shift) / 39.7L 13.5gal (4WD Power Shift) / 51.1L 16.0gal (Quad-Range) / 60.6L |
HYDRAULICS
| Type |
closed center |
| Capacity |
10.5gal (2WD Power Shift) / 39.7L 13.5gal (4WD Power Shift) / 51.1L 16.0gal (Quad-Range) / 60.6L |
| Pressure |
2277psi / 157.0bar |
| Valve |
2 to 3 |
| Pump flow |
26.5gpm / 100.3lpm |
TRACTOR HITCH
| Rear Type |
II/I |
| Control |
lower-link draft sensing |
| Rear lift |
6,294lbs / 2854kg 7,418lbsOptOptional / 3364kg |
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Clutch |
hydraulic wet disc |
| Rear RPM |
540/1000 |
| Engine RPM |
540@2200 / 1000@2200 |
JOHN DEERE 4050 TIRES
The John Deere 4050 tractor offers both 2WD and 4WD configurations, with standard agricultural tires that significantly impact traction and implement performance. The 2WD setup is simpler and typically more cost-effective for flat, well-maintained fields, while the 4WD version provides enhanced stability and traction on uneven terrain and during heavy load conditions. Consideration of tire size, particularly the larger front tires in the 4WD version (14.9-26), can offer better flotation and reduced soil compaction, making it advantageous for varied agricultural applications.
| 2WD Standard tires (ag) |
Front: 10.00-16. Rear: 18.4-38 |
| 4WD Standard tires (ag) |
Front: 14.9-26. Rear: 18.4-38 |
DIMENSIONS & TIRES
The John Deere 4050's wheelbase of 106.7 inches for 2WD provides stability for row crop applications, while the shorter 4WD version at 105.3 inches enhances maneuverability in tight spaces. Weighing between 11,098 to 12,720 pounds, this tractor can deliver significant traction but may require adequate soil support to prevent compaction. The tire specifications, with a broad rear tire size of 18.4-38, ensure good flotation and traction, making it suitable for both fieldwork and transporting heavier loads.
| Wheelbase |
106.7inches (2WD)/271 cm/105.3 inches (4WD) / 267cm |
| Weight |
11098 to 12720 pounds |
| Front tire |
10.00-16 |
| 2WD Rear tire |
18.4-38 |
4050 SERIAL NUMBERS
4050 SERIAL LOCATION
| Description |
The rear of the transmission case |
ELECTRICAL
| Ground |
negative |
| Charging system |
alternator |
| Charging amps |
72/90 (with Sound-Gard cab) |
| Batteries |
2 |
| Battery volts |
6/12 OptOptional |
