John Deere S550 Combine Parts
S550 parts and accessories
The John Deere S550 combine, produced from 2012-2017, offered a reliable harvesting solution for medium-sized farms. Powered by a 270 HP engine, it handled a variety of crops with efficiency. Its narrower header width options, up to 30 feet, and conventional separator system made it popular for farmers who valued simplicity and ease of maintenance.
The John Deere S550 combine was introduced in 2012 as part of the S-Series lineup, replacing earlier models and offering improved performance in the Class 5 combine category. Production ran through 2017. The S550 is powered by a John Deere PowerTech 6.8L 6-cylinder diesel engine, producing 270 horsepower. It features a conventional threshing system with a 33.3 inch wide cylinder. The grain tank capacity is 250 bushels with an unloading rate of 2.4 bu/sec (144 bu/min). Header widths ranged from 20 to 30 feet, making it suitable for various field sizes and row spacings. Chopper and spreader options were available to manage residue effectively. The cab offered standard comfort features including air conditioning and a basic display for monitoring machine performance. The S550 excels in harvesting crops like wheat, soybeans, and smaller corn fields where its narrower header width and simple design offer advantages.
Specifications
| Engine | John Deere PowerTech 6.8L 270 HP Diesel |
|---|---|
| Separator Type | Conventional - 33.3 inch wide cylinder |
| Grain Tank | 250 bushels |
| Unloading Rate | 144 bu/min |
| Header Widths | 20-30 ft |
| Fuel Capacity | 158 gallons |
| Weight | 26,000 lbs |
| Years Produced | 2012-2017 |
Maintenance Tips
- Regularly inspect and adjust concave clearance to optimize threshing performance and minimize grain loss.
- Check belt and chain tension frequently, especially before and during harvest, to prevent slippage and premature wear.
- Clean sieves and chaffers daily to ensure proper airflow and efficient grain separation.
- Grease bearings according to the manufacturer's recommendations to extend their lifespan and prevent costly downtime.
History & Background
The John Deere S550 was introduced in 2012 as a reliable and efficient Class 5 combine. While not receiving major redesigns during its production run, it represented a step up in technology and performance from earlier John Deere models, offering farmers a dependable option for medium-sized operations.
Frequently Asked Questions
What engine is in the John Deere S550?
The John Deere S550 is powered by a John Deere PowerTech 6.8L 6-cylinder diesel engine producing 270 horsepower.
What is the grain tank capacity on a S550?
The John Deere S550 has a grain tank capacity of 250 bushels and an unloading rate of 144 bushels per minute (2.4 bu/sec).
What type of separator does the S550 have?
The John Deere S550 utilizes a conventional threshing system with a 33.3-inch wide cylinder.
What are common parts needed for the S550?
Common wear parts for the John Deere S550 include concaves, rasp bars, belts, chains, bearings, auger fingers, and sickle sections.

AH144891 - Grain Tank Unloading Drive Chain
SKU: AH144891
13 in stock

AH137630 - Connector Link
SKU: AH137630
200 in stock

AE23539 - Elevator Drive Chain
SKU: AE23539
46 in stock

17724-I - Shaft Seal Assy
SKU: 17724-I
123 in stock

AH215111 - Brake Fluid Reservoir Assy
SKU: AH215111
81 in stock

R97344 - Pan Gasket
SKU: R97344
56 in stock

R54114 - Piston Pin Retainer
SKU: R54114
113 in stock

R526831 - Exhaust Recycling Valve Gasket
SKU: R526831
221 in stock

R524497 - Valve Cover Gasket
SKU: R524497
37 in stock

R521498 - Oil Pan Gasket
SKU: R521498
41 in stock

R521158 - Turbo Oil Return Gasket
SKU: R521158
107 in stock

R519489 - Turbocharger Gasket
SKU: R519489
215 in stock

R519488 - Exhaust Manifold Gasket
SKU: R519488
1175 in stock

R519487 - EGR Cooler Gasket
SKU: R519487
91 in stock

R505480 - Thermostat Manifold Gasket
SKU: R505480
3 in stock

R505479 - Thermostat Housing Gasket
SKU: R505479
63 in stock

R502511 - Head Bolt
SKU: R502511
1663 in stock

R501428 - Coolant Passage Adapter Gasket
SKU: R501428
654 in stock

R501124 - Connecting Rod Bolt
SKU: R501124
53 in stock

R500374 - Oil Filter Head Gasket
SKU: R500374
162 in stock

R28811 - Flywheel Ring Gear
SKU: R28811
274 in stock

R136495 - Oil Fill Neck Gasket
SKU: R136495
87 in stock

R123572 - Turbocharger Gasket
SKU: R123572
299 in stock

R123570 - Turbo Oil Outlet Gasket
SKU: R123570
27 in stock
