John Deere S685 Combine Parts
S685 parts and accessories
The John Deere S685 combine, produced from approximately 2012 to 2017, was a popular choice for farmers needing a high-capacity machine. Sporting a powerful engine around 431 HP and available with header widths ranging from 30 to 40 feet, the S685 excelled in diverse harvesting conditions. Its rotary separator design made it particularly effective for handling high-yielding crops.
The John Deere S685 combine was introduced as part of the S600 series, known for its enhanced productivity and advanced technology. Production years ranged roughly from 2012 to 2017. Powering the S685 is a John Deere PowerTech 9.0L engine, producing approximately 431 horsepower with a displacement of 549 cubic inches (9.0L). This engine delivers the necessary power for demanding harvesting operations. The S685 utilizes a single rotor separator system designed for high-capacity threshing and separating. The grain tank holds around 330 bushels, and the unloading auger boasts a rate of approximately 3.3 bushels per second (198 bu/min). Available header widths ranged from 30 to 40 feet, accommodating various field sizes and crop types. Chopper and spreader options were available to manage residue efficiently. The cab features advanced technology for operator comfort and control, including a touch screen display and automated harvesting settings. The S685 is well-suited for harvesting corn, soybeans, wheat, and other small grains.
Specifications
| Engine | John Deere PowerTech 9.0L 431 HP Diesel |
|---|---|
| Separator Type | Rotary - Single Rotor |
| Grain Tank | 330 bushels |
| Unloading Rate | 198 bu/min |
| Header Widths | 30-40 ft |
| Fuel Capacity | 250 gallons |
| Weight | Approximately 36,000 lbs |
| Years Produced | 2012-2017 (approximate) |
Maintenance Tips
- Concave Adjustment: Regularly check and adjust concave clearance according to the crop being harvested. Proper concave settings minimize grain loss and damage.
- Belt and Chain Tension: Inspect belt and chain tension regularly, especially before and during harvest. Loose belts and chains can lead to slippage, reduced performance, and premature wear.
- Sieve and Chaffer Cleaning: Clean sieves and chaffers daily to prevent clogging and ensure optimal grain cleaning. Remove any accumulated debris and adjust settings as needed.
- Bearing Greasing: Grease all bearings according to the manufacturer's recommendations. Proper lubrication prevents bearing failure and extends the lifespan of critical components.
History & Background
The John Deere S685 was a significant addition to the S600 series combine harvesters. Introduced in the early 2010s, it offered increased capacity and efficiency compared to previous models. It represented John Deere's commitment to innovation in rotary combine technology.
Frequently Asked Questions
What engine is in the John Deere S685?
The John Deere S685 is powered by a John Deere PowerTech 9.0L diesel engine, producing approximately 431 horsepower and having a displacement of 549 cubic inches.
What is the grain tank capacity on a S685?
The grain tank capacity on the John Deere S685 is approximately 330 bushels, with an unloading rate of around 198 bushels per minute (3.3 bu/sec).
What type of separator does the S685 have?
The John Deere S685 utilizes a single rotor separator system, known for its high-capacity threshing and separating capabilities.
What are common parts needed for the S685?
Common parts needed for the John Deere S685 include concaves, rasp bars, belts (drive, header, feederhouse), chains (feederhouse, elevator), bearings (various locations), auger fingers, and sickle sections for the header.

AH168161 - Bearing
SKU: AH168161
3 in stock

AH166639 - Offset Link
SKU: AH166639
59 in stock

AH166638 - Attachment Chain Link
SKU: AH166638
70 in stock

AH163056 - Bearing Assy
SKU: AH163056
18 in stock

AH146787 - Std. Wear Shoe; RH Auger
SKU: AH146787
29 in stock

AH146786 - Std. Wear Shoe; LH Auger
SKU: AH146786
20 in stock

R64197 - Hi-Lo Clutch Plate
SKU: R64197
228 in stock

R39322 - Clutch / Brake Sealing Ring
SKU: R39322
130 in stock

R39304 - Packing (2 PK) Washer
SKU: R39304
383 in stock

R163994 - Clutch Plate
SKU: R163994
61 in stock
JD8159 - BEARING
SKU: JD8159
40 in stock

AR94516 - Direct Drive Clutch Disc
SKU: AR94516
1086 in stock

R529640 - Exhaust Pipe Gasket
SKU: R529640
493 in stock

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

DZ121770 - DEF Dosing Unit EVO Pump
SKU: DZ121770
255 in stock

DZ119115 - Exhaust Gas Recycling Valve
SKU: DZ119115
258 in stock

DZ105787 - Exhaust Manifold Spacer
SKU: DZ105787
776 in stock

AXE37647 - After Treatment Blower Idler Pulley
SKU: AXE37647
128 in stock

RE61717 - Ignition Switch
SKU: RE61717
623 in stock

RE519144 - Engine Speed Sensor; Magnetic Pickup
SKU: RE519144
44 in stock

AXE17691 - Alternator
SKU: AXE17691
9 in stock

AXE14246 - Rotary Sensor
SKU: AXE14246
179 in stock

AXE14245 - Rotary Sensor
SKU: AXE14245
148 in stock

AT226281 - 12 Volt Horn
SKU: AT226281
15 in stock
