John Deere RDF40 HydraFlex™ Draper
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RDF40  HydraFlex™ Draper Model Photo

 

Features

Optimize feeding with a two-speed center feed section, increased feed drum torque, and center crop flow divider

Overview

Increase grain in the tank with a two-speed center feed section. A slow-speed setting softens the impact of crop fingers and drum flighting when engaging with crop. This ensures that easy-shelling crops like lentils and soybeans do not get thrown over the feeder house. Use the high-speed setting in canola or high-yielding cereals to prevent slug feeding while ensuring that the drum does not plug.

Benefits
  • Experience less downtime during harvest related to unplugging the header, which allows for more harvesting time at the highest productivity levels.
  • Higher feed drum torque is matched to the capacity of the combine to ensure optimal feed rates into the combine. Higher torque on the front feed drum allows operators to confidently harvest tough feeding crops like canola.
  • Additionally, prevent underfeeding in light crops with the center crop flow divider. When not harvesting crop with the full width of the draper, the center crop flow divider prevents crop from skipping over the center feed section and going on the opposite draper belt.
Toolless shifting on the gearcase Toolless shifting on the gearcase
Center crop flow divider Center crop flow divider
Additional details
  • The two-speed center feed section maintains a consistent ratio between the feed drum and center feed belt speed.
  • Change center feed section speed with a toolless, two-speed, easy-shift handle on the gearcase to the left of the draper feeder house opening.
Two-speed center feed section (A is pulled out and B is pushed in) Two-speed center feed section (A is pulled out and B is pushed in)
Parts of the two-speed center feed section Parts of the two-speed center feed section
  1. Feed  drum gearbox
  2. Center feed drive shaft
  3. Knife drive shaft
  4. Center feed speed control
  5. Oil check
  6. Main gearbox
  7. Center belt gearbox
  8. Oil check

 

Low speed

High speed

Feed drum

200 rpm

240 rpm

Center feed belt

1000 rpm

1200 rpm

 

 

RDF

HDR

Feed drum torque

1217 lb-ft (1650 Nm)

2109.4 lb-ft (2860 Nm)

Center belt width

70 in. (177.8 cm)

79.1 in. (200.9 cm)

Superior ground following with the HydraFlex™ draper system

Overview

Achieve superior ground following when harvesting in a wide range of terrains, crops, and conditions with RDF HydraFlex Draper Platforms. HydraFlex is an industry-exclusive hydraulic float system.

HydraFlex draper system floats with the terrain HydraFlex draper system floats with the terrain
Benefits
  • Float closely to the ground over changing conditions by controlling the cutterbar ground pressure from the cab – simply adjust the armrest knob to vary hydraulic pressure in the float arm hydraulic cylinders.
Hydraulic float arm Hydraulic float arm
Adjust ground pressure by changing hydraulic pressure in the float arm cylinders Adjust ground pressure by changing hydraulic pressure in the float arm cylinders
Additional details
  • The hydraulic float system features a 7.5-in. (19-cm) float range.
  • To lock out the HydraFlex draper into rigid mode, the operator should increase the float pressure to maximum

Evenly feed canola and field peas into the feeder house with RDF top augers

Overview

Help bushy crops, especially heavy canola, feed evenly into the feeder house with an optional 18-in. (45.7-cm) top auger extending the full width of the draper.

RDF top auger RDF top auger
Benefits
  • With the crop tucked under the auger, the handoff to the center feed drum enables smooth and consistent feeding to the combine to ensure constant load.
  • Achieve smooth headfirst feeding when auger speeds are running slightly faster than the belt speed.
Additional details
  • This optional 18-in. (45.7-cm) hydraulically driven top auger has an easy speed adjustment at the right side of the platform.
  • It is recommended for operation in bushy or high-volume harvesting conditions such as canola.
  • Augers can be turned off for crops like lentils or wheat where they are not recommended.

Key Specs

Cutterbar length 12.19 m
40 ft
Knife drive Double-cut, dual-drive, shaft-driven cutterbar: 10.2 cm
4 in.
Knife speed X Series Combine: 520 cycles/min
S-Series Combine: 490 cycles/min
Pickup reel operating speeds 6-70 rpm
Draper belts speed control Hydraulic from cab (side belts only)

Platform

Type Rigid frame flexible cutterbar

Cutterbar

Type Straight-line knife drive system
Cutterbar vertical flex: 190 mm
7.5 in.
Length 12.19 m
40 ft
Knife drive Double-cut, dual-drive, shaft-driven cutterbar: 10.2 cm
4 in.
Knife speed X Series Combine: 520 cycles/min
S-Series Combine: 490 cycles/min
Cutterbar tilt
Base skid shoe height 3.8 cm
1.5 in.

Pickup reel

General Two-piece, poly tine pickup reel with 6-in. (15-cm) tube
Number of slats Six bat poly
Fingers Nylon
Diameter 106.7 cm
42 in.
Height control Hydraulic
Speed control Hydraulic
Reel lift 72 cm
28.3 in.
Reel fore and aft 35.9 cm
14.1 in.
Fore of the cutterbar 40.6 cm
16 in.
Reel resume Base
Reel reverse Base
Operating speeds 6-70 rpm
Operating speeds (54-in. reel)

Slat reel

Number of slats
Diameter
Height control
Speed control
Operating speeds

Draper belts

Width Side belts: 101.6 cm
40 in.
Center belts: 177.6 cm
70 in.
Belt depth 101.2 cm
39.8 in.
Cleat height 19.05 mm
0.75 in.
Operating speed Side belts (variable): 1-3.5 m/s
3.3-11.5 fps
Center belts: 211 m/min
692 fpm
Low-speed center belt (fixed): 4.2 m/s
13.8 fps
High-speed center belt (fixed): 5.1 m/s
16.7 fps
Speed control Hydraulic from cab (side belts only)
Center belt reverse Base

Feed drum

Diameter 414 mm
16.3 in.
Feed drum fingers Heavy-duty and round with breakaway notch and retainer
Diameter: 16 mm
0.625 in.
Number of fingers 21
Auger finger platform Triple chevron, retracting
Finger reach 152 mm
6 in.
Drum/auger reverse Base
Operating speed Low speed: 200 rpm
High speed: 240 rpm
Center cleanout door Base

Header height sensing

Type Electrohydraulic
Header height sensing on the ground Base
Header height sensing off the ground Optional: four sensors

Top auger

Type Optional: hydraulic drive
Fingered augers
Size 45.7 cm
18 in.

Dimensions

Platform length 13.1 m
43 ft
Overall operating depth With dividers: 2.74 m
9 ft
Transport width, field position 13.1 m
43 ft
Transport width on wheel, less dividers
Transport length, hitch extended

Weight

Approximate weight 4125 kg
9095 lb

Additional information

Date collected 15 June 2020

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