John Deere S770 Combine Parts
S770 parts and accessories
The John Deere S770 combine, manufactured from 2017 onwards, offers a powerful solution for grain harvesting. With engine options around 400 HP and header widths reaching up to 40 feet, its rotary separator system provides efficient threshing. Farmers appreciated the S770 for its advanced technology, increased capacity, and ability to handle a variety of crops effectively.
The John Deere S770 combine was introduced in 2017 as part of the S700 series, building upon the success of the S600 series. Powering the S770 is a John Deere PowerTech 9.0L engine producing around 400 horsepower. The heart of the S770 is its single rotor separator, designed for high-capacity threshing and separation, especially in tough crop conditions. The Dyna-Flo Plus cleaning system enhances cleaning capacity, maximizing grain quality and minimizing losses. It features a grain tank capacity of approximately 300 bushels and an unloading auger capable of speeds up to 4.0 bushels per second (240 bu/min). Available header widths range from 30 to 40 feet, catering to diverse field sizes and crop types. Chopper and spreader options ensure efficient residue management for improved soil health. The S770's cab offers enhanced comfort and control with advanced monitoring systems. The S770 performs exceptionally well in corn, soybeans, wheat, and other small grains.
Specifications
| Engine | John Deere PowerTech 9.0L 402 HP Diesel |
|---|---|
| Separator Type | Rotary - Single Rotor |
| Grain Tank | 300 bushels |
| Unloading Rate | 240 bu/min |
| Header Widths | 30-40 ft |
| Fuel Capacity | 250 gallons |
| Weight | 36,800 lbs |
| Years Produced | 2017-Present |
Maintenance Tips
- Concave Adjustment: Regularly check and adjust concave clearance based on crop type and conditions to optimize threshing performance and minimize grain damage.
- Belt and Chain Tension: Inspect belt and chain tension regularly. Loose belts or chains can slip, reducing efficiency and potentially causing damage.
- Sieve and Chaffer Cleaning: Clean sieves and chaffers frequently to prevent plugging and maintain optimal cleaning performance. This will minimize grain loss out the back of the combine.
- Bearing Greasing: Regularly grease all bearings according to the manufacturer's recommendations to ensure smooth operation and prevent premature wear.
History & Background
The John Deere S770 combine was introduced in 2017 as part of the S700 series, replacing and improving upon earlier models. It represented a significant advancement in combine technology, incorporating features designed to enhance efficiency, capacity, and operator comfort. The S770 helped continue John Deere's tradition of developing top-performing combines, especially in diverse harvesting conditions.
Frequently Asked Questions
What engine is in the John Deere S770?
The John Deere S770 is equipped with a John Deere PowerTech 9.0L diesel engine, producing approximately 402 horsepower.
What is the grain tank capacity on a S770?
The grain tank capacity of the John Deere S770 is around 300 bushels with an unloading rate of 240 bushels per minute.
What type of separator does the S770 have?
The John Deere S770 uses a single rotary separator, known for its high capacity and effective threshing capabilities in various crop conditions.
What are common parts needed for the S770?
Common wear parts for the John Deere S770 include concaves, rasp bars, belts, chains, bearings, auger flighting/fingers, and sickle sections for the header.

HXE84114 - LH; Feed Accelerator / Discharge Beater Support
SKU: HXE84114
Out of stock

HXE84113 - RH; Feed Accelerator / Discharge Beater Support
SKU: HXE84113
Out of stock

HXE50399 - Feeder House Drive Belt
SKU: HXE50399
15 in stock

HXE47186 - Chain Guide
SKU: HXE47186
125 in stock

HXE47183 - Chain Guide
SKU: HXE47183
160 in stock

HXE45530 - 8 Wing Wear Plate; Tough Crop
SKU: HXE45530
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HXE24328 - Feeder House Chain Slat
SKU: HXE24328
250 in stock

HXE111854 - Chain Guide Support
SKU: HXE111854
42 in stock

HXE111121 - Wear; Feed Accelerator Beater Plate
SKU: HXE111121
Out of stock

H234587 - 656 MM Guide; Chain
SKU: H234587
213 in stock

H227474 - Upper Feeder House Sprocket
SKU: H227474
515 in stock

H220556 - Isolator; Feederhouse Rear Inspection Door Seal
SKU: H220556
54 in stock

H219180 - Wide Fixed Floor Plate; Feederhouse Wear
SKU: H219180
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H217454 - Variable Drive Outer Sheave Half
SKU: H217454
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H171960 - Upper Return Wear Strip
SKU: H171960
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H170141 - Pivot Idler Spring
SKU: H170141
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H149461 - Top Wear Plate; Feeder House
SKU: H149461
78 in stock

AXE68069 - Speed Sensor
SKU: AXE68069
47 in stock

AXE29353 - Feederhouse Floor
SKU: AXE29353
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AXE28813 - Feederhouse Chain Chain
SKU: AXE28813
52 in stock

AXE27254 - Feed Roll Drum
SKU: AXE27254
6 in stock

AXE27247LS - less slats Feeder House (4 Strand) Chain
SKU: AXE27247LS
30 in stock

AXE27247 - Feeder House (4 Strand) Chain
SKU: AXE27247
16 in stock

AH232566 - 189 Links #60H Assy Link Chain
SKU: AH232566
41 in stock
