John Deere S690 – specifications
Series: John Deere Combine
Build year not documented · Data origin: Directory data · sources
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John Deere combines – from 7720 and 8820 Titan II via CTS and the STS rotors 9550 to 9750 to the S series S550 to S690: the number logic, Single Tine Separation and PowerTech engines up to 13.5 litres
John Deere's combines in the register tell three generations from Harvester Works in East Moline, Illinois, and the European plant in Zweibrücken. The 7720 and 8820 Titan II are the straw-walker combines of the 1980s, whose number orders the size class – 7720 the mid-range, 8820 the top – Titan II the revised version. The CTS of 1992 (Cylinder Tine Separator) combined the classic threshing drum with tine rotors for rice and hard-to-thresh crops. With the 9550, 9560 STS and 9750 STS of 1999 Deere introduced Single Tine Separation – a rotor with tines that combines threshing and separation in one unit – and since 2012 this layout has been called the S series: S550, S660, S670, S680 and S690, whose number gives the size class and whose final digit the upgrade level; the S690 with a 13.5-litre six and over 600 hp is Deere's largest combine.
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The register lists 11 versions with Deere six-cylinders of 6,801 to 13,501 cm³ – 6466 in the 7720, 6081 in the 9000s, PowerTech PSS in the S series – at rated speeds of 2,100 to 2,400 rpm; recorded outputs run from 227 to 360 kW (305 to 480 hp).
The STS layout made Deere a rotary-combine supplier after Case IH had shaped the market with the Axial-Flow; today the S series is, alongside Lexion and Axial-Flow, the third big range of the 500 hp class.
On used combines, drum or rotor hours separate from engine hours, the condition of rotor, concaves and sieves, elevators and header, the hydraulics and the electronics, which on the S series with yield mapping and automation represent the greatest value and the greatest repair risk, are what count.
Sources: SpecCodex register, model data: John Deere Mähdrescher, John Deere Harvesting (manufacturer)
Technical data
Engine
| Engine model | John Deere PowerTech PSS Enginecorrect |
|---|---|
| Rated speed | 2,100 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 13,501.3 cm³correct |
Working data
| Fuel tank capacity | 1,249.2 lcorrect |
|---|
Area: Machines
Frequently asked questions
What engine does the John Deere S690 have?
6 cylinders, 13,501 cm³ displacement.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 5 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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Other models in this series
Sources: RitchieSpecs equipment specifications (retrieved August 2026) · Data sources and cross-checks
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