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.

HXE22617 - Variable Speed Fan Belt
SKU: HXE22617
30 in stock

HXE15556 - Discharge Beater Drive Belt
SKU: HXE15556
17 in stock

HXE130612 - Rotary Screen Drive Belt
SKU: HXE130612
66 in stock

HXE130611 - Rotary Screen Drive Belt
SKU: HXE130611
33 in stock

HXE124869 - Lower Chopper Drive Belt
SKU: HXE124869
42 in stock

HXE124868 - Upper Chopper Drive Belt
SKU: HXE124868
275 in stock

HXE102288 - Fan Drive Shoe Conv Auger Belt
SKU: HXE102288
40 in stock

H240972 - Extra Fine Cut Lower Dual Chopper Drive Belt
SKU: H240972
51 in stock

H240895 - Tailings Rethresher Drive/Overshot Beater Drive Belt
SKU: H240895
53 in stock

H238867 - Air Screen Drive Belt
SKU: H238867
357 in stock

H238822 - 9.0L T4 FRONT DRIVE Belt
SKU: H238822
16 in stock

H236472 - Feed Accelerator (STD) Belt
SKU: H236472
67 in stock

H230230 - Feed Accelerator; High Speed Belt
SKU: H230230
43 in stock

H229018 - Header/Reel Pump Belt
SKU: H229018
17 in stock

H223230 - Clean Grain Elevator Belt
SKU: H223230
301 in stock

H221732 - Feed Accelerator (Slow Speed or Rice) Belt
SKU: H221732
6 in stock

H221273 - Rotary Screen Belt
SKU: H221273
61 in stock

H218645 - Clean Grain Elevator Belt
SKU: H218645
527 in stock

H174885 - Extra Heavy Duty Belt; Fixed Speed Feeder House
SKU: H174885
321 in stock

H154731 - Tailings Auger & Elevator Belt
SKU: H154731
23 in stock

H154723 - Jackshaft Rear RH Belt
SKU: H154723
10 in stock

AH160080 - Unloading Auger (Set/2) Belt
SKU: AH160080
9 in stock

JD9459 - Fan Driver Jackshaft Bearing
SKU: JD9459
551 in stock

JD10329 - Water Pump Bearing
SKU: JD10329
64 in stock
