John Deere
RDF 30 Rigid Draper Flex Knife
Headers and Platforms
The innovative HydraFlex™ system provides superior ground following capabilities, allowing operators to adjust cutterbar pressure from the cab for precision harvesting across diverse terrains.
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: 790BH
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)
- 9.14 m
- Cutterbar Length (Imperial)
- 30.0 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
- 9.15 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)
- 9.14 m
- Cutterbar Length (Imperial)
- 30.0 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
- Base: nylon; Optional: steel
- 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: three sensors
Top Auger3 specifications
- Type
- Optional: hydraulic drive
- Size (Metric)
- 45.7 cm
- Size (Imperial)
- 18.0 in.
Dimensions7 specifications
- Overall Width
- 33.0 ft
- Platform Length
- 10.07 m
- Overall Operating Depth (Metric)
- 2.74 m
- Overall Operating Depth (Imperial)
- 9.0 ft
- Transport Width, Field Position (Metric)
- 10.07 m
- Transport Width, Field Position (Imperial)
- 33.0 ft
- Cutting Width
- 9.15 m
Additional Information1 specifications
- Date Collected
- 2020-06-15