John Deere
RDF 40 Rigid Draper Flex Knife
Headers and Platforms
The John Deere RDF40 HydraFlex™ Draper is expertly crafted to elevate harvesting productivity and efficiency. With a generous 12.19 m (40 ft) cutterbar, this model is engineered to enhance crop handling and minimize losses, notably with its Grain Saver Draper Belts that cut cutterbar loss by 25%
Current product detail page listed in the official John Deere AFME sitemap; this does not assert a 2026 model year or confirmed Eswatini stock.
The AFME sitemap includes model-year-specific and legacy listings. Confirm current model, configuration, and Eswatini availability with SwaziTrac before quoting.
Model / part number: 792BH
Technical specification source: Official manufacturer technical data
Catalogue source: John Deere Africa & Middle East (AFME) · Checked 2026-10-04
Specifications
Key Specs15 specifications
- Cutterbar Type
- Straight-line knife drive system. Cutterbar vertical flex: 7.5 in. (190 mm)
- Cutterbar Length (Metric)
- 12.19 m
- Cutterbar Length (Imperial)
- 40.0 ft
- Knife Drive
- Double-cut, dual-drive, shaft-driven cutterbar: 4 in. (10.2 cm)
- Knife Drive (Metric)
- 10.2 cm
- Knife Drive (Imperial)
- 4.0 in.
- Knife Speed
- X Series Combine: 520 cycles/min; S-Series Combine: 490 cycles/min
- Reel Diameter (Metric)
- 106.7 cm
- Reel Diameter (Imperial)
- 42.0 in.
- Speed Control
- Hydraulic rpm
- Operating Speeds Minimum
- 6.0 rpm
- Operating Speeds Maximum
- 70.0 rpm
- Draper Belt Width (Metric)
- 101.6 cm
- Draper Belt Width (Imperial)
- 40.0 in.
- Cutting Width
- 12.2 m
Platform1 specifications
- Type
- Rigid frame flexible cutterbar
Cutterbar9 specifications
- Cutterbar Type
- Straight-line knife drive system. Cutterbar vertical flex: 7.5 in. (190 mm)
- Cutterbar Length (Metric)
- 12.19 m
- Cutterbar Length (Imperial)
- 40.0 ft
- Knife Drive
- Double-cut, dual-drive, shaft-driven cutterbar: 4 in. (10.2 cm)
- Knife Drive (Metric)
- 10.2 cm
- Knife Drive (Imperial)
- 4.0 in.
- Knife Speed
- X Series Combine: 520 cycles/min; S-Series Combine: 490 cycles/min
- Base Skid Shoe Height (Metric)
- 3.8 cm
- Base Skid Shoe Height (Imperial)
- 1.5 in.
Pickup Reel14 specifications
- Fingers
- Nylon
- Number Of Slats
- 6
- Reel Diameter (Metric)
- 106.7 cm
- Reel Diameter (Imperial)
- 42.0 in.
- Height Control
- Hydraulic
- Speed Control
- Hydraulic rpm
- Reel Lift (Metric)
- 72.0 cm
- Reel Lift (Imperial)
- 28.3 in.
- Reel Fore And Aft (Metric)
- 35.9 cm
- Reel Fore And Aft (Imperial)
- 14.1 in.
- Reel Resume
- Base
- Reel Reverse
- Base
- Operating Speeds Minimum
- 6.0 rpm
- Operating Speeds Maximum
- 70.0 rpm
Draper Belts12 specifications
- Draper Belt Width (Metric)
- 101.6 cm
- Draper Belt Width (Imperial)
- 40.0 in.
- Belt Depth (Metric)
- 101.2 cm
- Belt Depth (Imperial)
- 39.8 in.
- Cleat Height (Metric)
- 1.9 cm
- Cleat Height (Imperial)
- 0.75 in.
- Operating Speed Minimum (Imperial)
- 3.3 fps
- Operating Speed Maximum (Imperial)
- 11.5 fps
- Speed Control
- Hydraulic from cab (side belts only)
- Operating Speed Minimum (Metric)
- 1.0 m/s
- Center Belt Reverse
- Base
- Operating Speed Maximum (Metric)
- 3.5 m/s
Feed Drum13 specifications
- Diameter (Metric)
- 41.4 cm
- Diameter (Imperial)
- 16.3 in.
- Feed Drum Fingers
- Heavy-duty and round with breakaway notch and retainer; Diameter: 0.625 in. (16 mm)
- Feed Drum Fingers (Metric)
- 16.0 mm
- Feed Drum Fingers (Imperial)
- 0.625 in.
- Number Of Fingers
- 21
- Auger Finger Platform
- Triple chevron, retracting
- Finger Reach (Metric)
- 15.2 cm
- Finger Reach (Imperial)
- 6.0 in.
- Drum/Auger Reverse
- Base
- Operating Speed, RPM Minimum
- 200.0 rpm
- Operating Speed, RPM Maximum
- 240.0 rpm
- Center Cleanout Door
- Base
Header Height Sensing3 specifications
- Type
- Electrohydraulic
- Header Height Sensing On The Ground
- Base
- Header Height Sensing Off The Ground
- Optional: four sensors
Top Auger3 specifications
- Type
- Optional: hydraulic drive
- Size (Metric)
- 45.7 cm
- Size (Imperial)
- 18.0 in.
Dimensions7 specifications
- Platform Length (Metric)
- 13.1 m
- Platform Length (Imperial)
- 43.0 ft
- Overall Operating Depth (Metric)
- 2.74 m
- Overall Operating Depth (Imperial)
- 9.0 ft
- Transport Width, Field Position (Metric)
- 13.1 m
- Transport Width, Field Position (Imperial)
- 43.0 ft
- Cutting Width
- 12.2 m
Additional Information1 specifications
- Date Collected
- 2020-06-15