John Deere 4650 Tractor Parts
4650 parts and accessories
The John Deere 4650 tractor, manufactured from 1983 to 1989, was a popular choice among farmers due to its robust design and reliable performance. Powered by a 185 horsepower diesel engine and boasting a PTO horsepower of 155, the 4650 was known for its ability to handle demanding tasks in various agricultural applications. Its versatility and dependability solidified its place as a workhorse on farms across the country.
The John Deere 4650 tractor was introduced in 1983 as part of the '50 Series' line, replacing the earlier 4640. Production continued until 1989. This tractor features a John Deere 6-cylinder diesel engine with a displacement of 466 cubic inches and delivers around 185 horsepower. The transmission options included a Quad-Range transmission offering 16 forward and 6 reverse speeds, providing a wide range of operating speeds for various tasks. The 4650's PTO is rated at 155 horsepower, offering both 540 and 1000 RPM options for versatility with different implements. The hydraulic system boasts a capacity of approximately 30 GPM, supporting multiple remote valves. Its Category II 3-point hitch has a lift capacity of around 7,800 lbs, making it suitable for handling heavy implements. The 4650 excelled in row crop farming, hay production, livestock operations, and tillage applications. What distinguished it from smaller models in the lineup was its increased horsepower and heavier-duty construction, enabling it to tackle larger and more demanding tasks compared to its siblings.
Specifications
| Engine | John Deere 466 ci 185 HP Diesel |
|---|---|
| PTO HP | 155 HP @ 540/1000 RPM |
| Transmission | Quad-Range 16F/6R |
| Hydraulics | 30 GPM, Up to 3 remotes |
| 3-Point Hitch | Category II, 7,800 lbs lift capacity |
| Fuel Capacity | 63 gallons |
| Weight | 14,200 lbs |
| Years Produced | 1983-1989 |
Maintenance Tips
- Change the engine oil and filter every 250 hours using an oil that meets John Deere's specifications.
- Inspect and service the hydraulic system regularly, including checking fluid levels, changing filters per the manual, and addressing any leaks promptly.
- Keep the fuel system clean by using quality fuel, replacing fuel filters at recommended intervals, and draining any water accumulation.
- Before storing the tractor for an extended period, stabilize the fuel, grease all fittings, and protect the tires from prolonged sun exposure.
History & Background
The John Deere 4650 was introduced in 1983 as part of the '50 Series', representing a significant upgrade in power and features compared to the previous '40 Series' models. While there were no major redesigns during its production run, continuous improvements were incorporated. The 4650 is remembered as a highly capable and reliable tractor that helped shape modern farming practices.
Frequently Asked Questions
What engine is in the John Deere 4650?
The John Deere 4650 is equipped with a John Deere 6-cylinder, 466 cubic inch displacement diesel engine producing approximately 185 horsepower.
What is the PTO horsepower on a 4650?
The PTO horsepower of the John Deere 4650 is rated at 155 HP and offers both 540 and 1000 RPM options.
What oil filter fits the 4650?
The John Deere oil filter for the 4650 is typically a John Deere AR50041 or equivalent. Cross-references include Wix 51794 and Baldwin B229.
What are common parts needed for the 4650?
Commonly needed parts for the John Deere 4650 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic seals, steering components, clutch discs, and pressure plates.

R64840 - Injector Washer
SKU: R64840
Out of stock

R62952 - Engine Oil Pump Tube
SKU: R62952
33 in stock
R57771 - Piston 1.874 Pin
SKU: R57771
82 in stock

R56995 - Exhaust (Front) Manifold
SKU: R56995
29 in stock

R56994 - Exhaust Elbow
SKU: R56994
48 in stock

R55078 - 3/8" X 1-1/2" Stud
SKU: R55078
91 in stock

R55058 - Exhaust (.015") Valve
SKU: R55058
54 in stock
R55057 - Intake (.015") Valve
SKU: R55057
20 in stock

R55056 - Exhaust (.003") Valve
SKU: R55056
14 in stock

R55055 - Intake (.003") Valve
SKU: R55055
141 in stock

R54500 - Turbo Mounting; Stainless Steel (4 pack) Screw
SKU: R54500
604 in stock

R53514 - Exhaust Elbow
SKU: R53514
37 in stock

R52773 - Camshaft Follower
SKU: R52773
145 in stock

R522768 - Crankshaft Oil Seal Housing Gasket
SKU: R522768
122 in stock

R520546 - Cover To Oil Cooler Gasket
SKU: R520546
33 in stock

R51937 - Injector Nozzle Nut
SKU: R51937
614 in stock

R51936 - Injector Lines Grommet
SKU: R51936
12010 in stock

R50406 - TURBO ELBOW O-RING
SKU: R50406
126 in stock

R50397G - Intake Manifold Gasket
SKU: R50397G
7 in stock

R50397 - Intake Manifold Gasket
SKU: R50397
7 in stock

R50386 - Oil Cooler Bypass Tube
SKU: R50386
99 in stock

R50358 - Intake (Std) Valve
SKU: R50358
43 in stock

R50357 - Exhaust (Std) Valve
SKU: R50357
24 in stock

R50356 - Exhaust Valve (Std) Insert
SKU: R50356
91 in stock
