The John Deere S780 combine is a high-performance agricultural machine designed for efficient harvesting. With advanced technology and robust features, this model enhances productivity and ensures optimal grain handling. Regular maintenance and quality spare parts are essential for maximizing the lifespan and performance of the S780.

Turn manuals into instant answers
with your AI-powered assistantTurn manuals into instant answers
with your AI-powered assistant

PDF MANUAL

Manual for John Deere Combines S780

MAINTENANCE RESOURCES

Complete asset maintenance, one click away

Get instant access to all the maintenance information you need. Empower technicians to perform preventive maintenance with asset packages, ready to use right out of the box.

Documents & Manuals

Find all the essential guides in one place.

Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more

Work Order Templates

Pre-built workflows to keep your asset running smoothly.

Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
+ 29 more

Procedures

Integrate maintenance plans directly into your work orders.

Motion Industries
Applied Industrial Technologies
Electrical Brothers
+ 5 more

Parts

Access the parts list for your equipment in MaintainX.

Drive Motor
B2 Rollers
Tensioning System
+ 40 more

John Deere Combines S780

Create an account to install this asset package.

Maintenance Plans for John Deere Combines Model S780

Integrate maintenance plans directly into your work orders in MaintainX.

100 Hourly Replacement

Warning: This replacement procedure requires trained personnel with PPE!

Main Engine Gear Case Filter (S760 and S770 ProDrive™ Machines) replaced?

Parts replaced as per maker's standard?

Main Engine Gear Case Lube Filter (ProDrive™ Machines) replaced?

Sign off on the 100 Hourly Replacement

Run this procedure

As Required Maintenance

Clean/Replace Recirculating Filter

Clean/Replace Cab Fresh Air Filter

Fill Windshield Washer Reservoir

Clean Alternator Screen

Clean Moisture Sensor (If Equipped)

Clean Moisture Sensor Bypass Auger

1. Shut off engine, set park brake, and remove key.

2. Remove pins (A) and end cap (B).

3. Remove auger (C) from the moisture sensor bypass.

Run this procedure

250 Hourly Maintenance

Change Engine Oil and Filter (Tier 2/Stage II)

Style A: Engine Crankcase Top Load Oil Filter: Remove cap (A) and remove filter. Replace filter and install cap. Tighten to specification.

Style B: Engine Crankcase Oil Filter: Remove and replace oil filter (B).

Open drain (C) to remove oil.

Style A: Engine Crankcase Top Load Oil Filter Remove dipstick (D) to fill and check oil level after filling.

Style B: Engine Crankcase Oil Filter: Remove cap (E) to fill and check oil with dipstick (F) after filling.

Change Engine Oil and Filter (Final Tier 4/Stage V)

Style A: Engine Crankcase Top Load Oil Filter: Remove cap (A) and remove filter. Replace filter and install cap. Tighten to specification.

Style B: Engine Crankcase Oil Filter: Remove and replace oil filter (B).

Run this procedure

1000 Hourly Maintenance

Main Engine Gear Case Oil- Drain oil at plugs (A)

S760 and S770 ProDrive™ Machines: Remove and replace filter (B). Coat seal on the new filter with oil. Hand tighten, then tighten 1/2 turn more

ProDrive™ Machines: Transmission Oil- Drain oil at plug (C)

ProDrive™/Main Engine Gear Case Lube Filter - Remove and replace filter (D). Coat seal on the filter with oil. Hand tighten, then tighten 1/2 turn more

Fill Main Engine Gear Case until oil is at the bottom line on dipstick (E)

Install dipstick and run engine for 1 minute minimum

Shut OFF engine and let machine sit for 5 minutes allowing air to settle from oil

Remove dipstick and check oil level. Add oil until oil level is at the top line on dipstick

Repeat procedures until oil level remains at the top line on dipstick

Run this procedure

2000 Hourly Maintenance

Open drain valve (A) to drain oil

Close valve once oil is drained

Remove cap (B) and fill hydraulic reservoir until oil level is at top of sight glass (C) with the feeder house fully lowered

Check Engine Valve Lash

Check Final Drives Oil (both sides)