| Manufacturer |
John Deere |
| Price |
76,006(USD) |
| Model |
4650 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Waterloo, Iowa, USA |
ENGINE DETAIL
The John Deere 4650 features a robust 7.6L intercooled turbocharged diesel engine, providing 187.7hp at 2200 RPM, ideal for heavy-duty agricultural applications. Its 15.8:1 compression ratio improves fuel efficiency but may require higher-quality diesel to prevent knocking. With a substantial 21-quart oil capacity, maintenance intervals can be extended; however, the size could pose challenges in terms of oil changes and filter accessibility.
| Description |
John Deere intercooled turbocharged diesel 6-cylinder liquid-cooled |
| Displacement |
466ci / 7.6L |
| Bore/Stroke |
4.56x4.75inches / 116x 121mm |
| Power |
187.7hp / 140.0kW |
| Air cleaner |
dry |
| Compression |
15.8:1 |
| Rated RPM |
2200 |
| Firing order |
1-5-3-6-2-4 |
| Starter volts |
12 |
| Oil capacity |
21qts / 19.9L |
| Coolant capacity |
32qts / 30.3L |
JOHN DEERE 4650 ENGINE
The John Deere 4650 features a robust 7.6L 6-cylinder diesel engine, which provides excellent torque for demanding agricultural tasks, enhancing its power delivery and fuel efficiency. Its design offers a balance between performance and durability, making it suitable for heavy-duty applications like plowing and tilling. However, potential challenges include maintenance complexity due to its advanced engine systems, requiring skilled technicians for optimal upkeep.
| Description |
John Deere 7.6L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 4650 features a 16-speed partial power shift transmission, facilitating smoother gear changes under load, which enhances operational efficiency in varying field conditions. Alternatively, its 15-speed full power shift option offers uninterrupted power delivery, ideal for heavy-duty applications where maintaining momentum is critical. A potential challenge with both systems is the learning curve for operators transitioning from simpler gear mechanisms, necessitating training for optimal performance.
| Description |
16-speed partial power shift 15-speed full power shift |
TRANSMISSION 1
The John Deere 4650 features a Quad-Range transmission with a partial power shift, providing 16 forward and 6 reverse gears, allowing for versatile operational speeds. The Perma-Clutch wet disc design enhances durability and reduces wear, although the requirement to stop for range selection may limit efficiency in fast-paced tasks. Ideal for heavy-duty agricultural applications, this tractor excels in tasks requiring stable speed control, but operators should be mindful of the need for synchronized shifting to optimize performance between gears.
| Transmission |
John Deere Quad-Range |
| Type |
partial power shift |
| Gears |
16 forward and 6 reverse |
| Clutch |
Perma-Clutch wet disc |
| Oil capacity |
107.6qts / 101.8L |
| 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 |
20.8-38 rear tires |
TRANSMISSION 2
The John Deere 4650 features a full power shift transmission, allowing for seamless gear changes without using a clutch, enhancing productivity and operator comfort in various agricultural tasks. With 15 forward and 4 reverse gears, it provides a versatile speed range suitable for different field conditions, although the wet disc Perma-Clutch may require regular maintenance to ensure optimal performance. The oil capacity variations between 2WD (74.4 qts) and 4WD (86.4 qts) configurations indicate a need for consideration in maintenance schedules and operating costs based on drivetrain choice.
| Transmission |
John Deere Power Shift |
| Type |
full power shift |
| Gears |
15 forward and 4 reverse |
| Clutch |
Perma-Clutch wet disc |
| Oil capacity |
74.4qts (2WD) / 70.4L 86.4qts (4WD) / 81.8L |
| Description |
Optional transmission. Full (clutchless) power shift can be made between gears, forward and reverse |
SPEEDS 2
| Description |
20.8-38 rear tires |
JOHN DEERE 4650 TRANSMISSIONS
The John Deere 4650 features a robust transmission system with options for a 16-speed partial power shift and a 15-speed full power shift, allowing for efficient torque management and smooth operation across various field conditions. The partial power shift provides versatility for tasks requiring varying speeds without losing momentum, while the full power shift offers quicker gear changes, ideal for heavy-duty operations. Operators might prefer the full power shift for heavy tillage or transport jobs due to its responsive shifting, but the partial option could yield better fuel efficiency in lighter applications.
| Description |
16-speed partial power shift 15-speed full power shift |
MECHANICAL
The John Deere 4650 features a robust inboard planetary final drive, enhancing durability and load distribution, which is crucial for heavy agricultural tasks. Its optional hydraulic rear differential lock provides superior traction on challenging terrains, a significant advantage when navigating through mud or steep inclines. The inclusion of power steering and a Sound-Gard cab ensures operator comfort and ease of handling, making this tractor suitable for extended use in diverse farming conditions.
| Description |
Two- or four-wheel drive Power steering Hydraulic wet disc brakes Sound-Gard cab standard. Optional four-post Roll-Gard ROPS |
| Final drive |
inboard planetary |
| Differential lock |
hydraulic rear |
CAPACITY
| Fuel |
102gal / 386.1L |
| Hydraulic system |
18.6gal (2WD Power Shift) / 70.4 L 21.6gal (4WD Power Shift) / 81.8L 26.9gal (Quad-Range) / 101.8L |
HYDRAULICS
| Type |
closed center |
| Capacity |
18.6gal (2WD Power Shift) / 70.4L 21.6gal (4WD Power Shift) / 81.8L 26.9gal (Quad-Range) / 101.8L |
| Pressure |
2277psi / 157.0bar |
| Valves |
2 or 3 |
| Pump flow |
29.5gpm / 111.7lpm |
TRACTOR HITCH
| Rear Type |
III |
| Control |
lower-link draft sensing |
| Rear lift |
8,475lbs / 3844kg |
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Clutch |
hydraulic wet disc |
| Rear RPM |
1000 |
| Engine RPM |
1000@2200 |
JOHN DEERE 4650 TIRES
The John Deere 4650 tractor offers versatility with both 2WD and 4WD options, with tire configurations allowing for optimized traction based on the terrain; 2WD with standard ag tires may be more fuel-efficient, while 4WD enhances off-road capability and handling. The varied rear tire sizes (16.9-38 to 20.8-42) cater to different load requirements, improving stability and performance in diverse agricultural scenarios. However, 4WD may incur higher maintenance costs, making it crucial to evaluate operational needs before selecting the configuration.
| 2WD Standard tires (ag) |
Front: 11.00-16. Rear: 20.8-38 |
| 4WD Standard tires (ag) |
Front: 18.4-26. Rear: 20.8-38 |
| Ag rear |
16.9-38/18.4-38/18.4R38/20.8R38/18.4-42/18.4R42 |
DIMENSIONS & TIRES
The John Deere 4650, with a robust weight range of 16,685 to 18,585 pounds, offers stability in various field conditions, particularly advantageous for heavy-duty tasks. Its 2WD configuration featuring a 118.5-inch wheelbase provides excellent traction on firm surfaces, whereas the 4WD option with a slightly shorter 117.1-inch wheelbase enhances maneuverability and grip in softer terrains. A potential challenge is its relatively specific tire sizes (11.00-16 front and 20.8-38 rear), which may limit availability for replacements and could necessitate careful selection for optimal performance based on operational scenarios.
| 2WD Wheelbase |
118.5inches / 300cm |
| 4WD Wheelbase |
117.1inches / 297cm |
| Weight |
16685 to 18585 pounds |
| Front tire |
11.00-16 |
| 2WD Rear tire |
20.8-38 |
4650 SERIAL NUMBERS
4650 SERIAL LOCATION
| Description |
Differential on rear of tractor |
ELECTRICAL
| Ground |
negative |
| Charging system |
alternator |
| Charging amps |
72/90 (with Sound-Gard cab) |
| Batteries |
2 |
| Battery volts |
6/12 OptOptional |
