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.

AH228007 - Speed P.U. Sensor
SKU: AH228007
56 in stock

AH226058 - Idler Pulley
SKU: AH226058
67 in stock

AH221249 - Speed Sensor
SKU: AH221249
146 in stock

AH219987 - Feeder Drum (Import) Bearing w/ Housing
SKU: AH219987
1202 in stock

AH168397 - Idler; Feeder House Arm
SKU: AH168397
16 in stock

AH165609 - Ball Bearing
SKU: AH165609
102 in stock

AH158635 - Chain Link
SKU: AH158635
29 in stock

AH150900 - Feed Accelerator & Secondary Jackshaft Idler
SKU: AH150900
92 in stock

AH133191 - Locking Collar
SKU: AH133191
839 in stock

AH125454 - Feeder House Shaft
SKU: AH125454
11 in stock

AE27909 - Idler Sprocket
SKU: AE27909
190 in stock

JD9373 - Ball Bearing
SKU: JD9373
274 in stock

HXE18618 - with GreenStar Clean Grain Elevator Cover
SKU: HXE18618
50 in stock

H211285 - Conveyor Auger Drive Bevel Gear
SKU: H211285
363 in stock

H174509 - Slip Clutch Hub
SKU: H174509
34 in stock

H164796 - Upper Clean Grain Elevator Sprocket
SKU: H164796
76 in stock

H156938 - Tailings Elevator Top Shaft
SKU: H156938
47 in stock

H133143 - Lower Clean Grain Elevator Sprocket
SKU: H133143
681 in stock

H130137 - Vertical Unloader Gear Case Housing
SKU: H130137
Out of stock

DE20711 - Vertical Unloading Auger Gear Set
SKU: DE20711
18 in stock

CE18278 - Horizontal Unloading Auger Drive Gear Case Shaft-Pinion
SKU: CE18278
32 in stock

AXE79735 - Unloading Auger Drive Chain
SKU: AXE79735
5 in stock

AXE72667 - Clean Grain Elevator Chain
SKU: AXE72667
11 in stock

AXE71684 - High Unloading Rate Dribble Door
SKU: AXE71684
Out of stock
