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John Deere HDF 40
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HDF 40
Headers and Platforms
Overview:
When changing crop conditions and harvest pace make consistent feeding harder to maintain, John Deere Draper Heads deliver smooth, even crop flow with flexible cutterbar performance and integrated automation, helping reduce loss, maintain consistent cut height, and support steady throughput across a wide range of crops and conditions.
- Capture More Crop in Rolling and Uneven Terrain with a Total Wing Range of 35-in. (88.9 cm)
- Maintain Reel to Cutter Bar Gap in All Crops – Even Terraces and Rolling Terrains – With 3-Piece Reel and Cam Reel
- Reduce Cutterbar Loss with Grain Saver Draper Belts
- Improve Harvest Logistics with a Factory-Installed Integrated Transport System
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Features
Helping You Harvest with Confidence

Changing harvest conditions can be overwhelming. John Deere automation takes the pressure off by optimizing combine settings, guiding precise turns, and managing unloads on the go—protecting yield, reducing grain loss, delivering clean samples, and keeping you focused on feeding the machine, and less on adjusting, steering, or unloading.
Make Every Minute of the Harvest Window Count

John Deere delivers harvesting solutions matched to your operation, with a full portfolio of combines and front end equipment to hit your harvest window. Automation like Machine Sync, Auto Unload, and Predictive Ground Speed boost productivity, while integrated technology, parts, and Precision Upgrades help your combine adapt to changing crops and conditions—season after season.
Analyze Key Insights for Better Decisions Next Year

Harvest data becomes next season’s advantage. Yield maps, grain quality, and machine analytics in John Deere Operations Center help refine seed placement, fertility plans, and hybrid selections. Combined with precision upgrades and automation, insights turn into consistent execution—setting the stage for better results next year.
Specifications
Feed Drum
| Diameter | 40.6 cm |
| Diameter | 16 in. |
| Feed Drum Fingers | Heavy-duty and round with breakaway notch and retainer |
| Feed Drum Fingers | 16 mm |
| Feed Drum Fingers | 0.625 in. |
| Number Of Fingers | 18 |
| Auger Finger Platform | Triple chevron, retracting |
| Finger Reach | 15.2 cm |
| Finger Reach | 6 in. |
| Drum/Auger Reverse | Base |
| Operating Speed, RPM - Minimum | 200 rpm |
| Operating Speed, RPM - Maximum | 240 rpm |
| Center Cleanout Door | Base |
Draper Belts
| Draper Belt Width - Side Belts | 5.1 m |
| Draper Belt Width - Side Belts | 16.8 ft |
| Draper Belt Width - Center Belts | 2 m |
| Draper Belt Width - Center Belts | 6.6 ft |
| Belt Depth | 100 cm |
| Belt Depth | 39.8 in. |
| Cleat Height | 1.9 cm |
| Cleat Height | 0.75 in. |
| Speed Control | Hydraulic from cab (side belts only) |
| Center Belt Reverse | Base |
Pickup Reel
| Fingers | Nylon |
| Number Of Slats | 6 |
| Reel Diameter | 106.7 cm |
| Reel Diameter | 42 in. |
| Height Control | Hydraulic |
| Speed Control | Hydraulic rpm |
| Reel Lift | 100.6 cm |
| Reel Lift | 39.6 in. |
| Reel Fore And Aft | 26.4 cm |
| Reel Fore And Aft | 10.4 in. |
| Reel Resume | Base |
| Reel Reverse | Base |
| Operating Speeds - Minimum | 8 rpm |
| Operating Speeds - Maximum | 70 rpm |
Header Height Sensing
| Type | Electrohydraulic |
| Header Height Sensing On The Ground | Base |
| Header Height Sensing Off The Ground | Base |
Cutterbar
| Cutterbar Type | Straight-line knife drive system |
| Cutterbar Length | 12.2 m |
| Cutterbar Length | 40 ft |
| Knife Drive | Double-cut, dual-drive, shaft-driven cutterbar |
| Knife Drive | 10.2 cm |
| Knife Drive | 4 in. |
| Knife Speed | X Series Combine: 520 cycles/min; S-Series Combine: 490 cycles/min |
| Base Skid Shoe Height | 3.8 cm |
| Base Skid Shoe Height | 1.5 in. |
Platform
| Type | Hinged frame flexible cutterbar |
Top Auger
| Type | Optional: hydraulic drive |
| Type | 250-350 rpm |
| Fingered Augers | Optional |
| Size | 43.2 cm |
| Size | 17 in. |
Additional Information
| Date Collected | 2021-03-24 |
Dimensions
| Platform Length | 13.1 m |
| Platform Length | 42.8 ft |
| Overall Operating Depth | 3.2 m |
| Overall Operating Depth | 10.6 ft |
Contact Us
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325 Walt Messick Road
Harrington, Delaware 19952
Phone: (302) 398-3729
Toll Free: (800) 237-1272