MacDon® Compatible 4140 Chrome-Moly Retractable Feed Drum Finger (Hollow End)
Maintain consistent and aggressive crop intake with this premium C&M Australian-made retractable drum finger. Specifically engineered for MacDon® D1, FD1, D2, and FD2 series header fronts fitted with FM100 and FM200 float modules, this high-performance component is designed as a heavy-duty replacement for the original feeding system.
Manufactured in our Griffith factory from 16mm round grade 4140 chrome-moly shaft, these fingers offer superior toughness and resistance to bending compared to standard carbon steel alternatives. This alloy choice ensures your feeding system remains in top condition for an extended service life, even when operating in high-torque or "green" crop conditions.
MacDon® OEM Cross-Reference
Replaces OEM Part Number: 337152
Retractable Finger Compatibility: MacDon D1, FD1, D2, FD2 & FM Modules
| Series |
Models |
Reference |
| MacDon® D1 & FD1 |
D130, D135, D140, D145, FD130, FD135, FD140, FD145 |
Standard Fitment |
| MacDon® D2 & FD2 |
D225–D245, FD225–FD261 Models |
Standard Fitment |
| MacDon® Float Modules |
FM100, FM200 |
Standard Fitment |
Technical Specifications & Features
- Manufacturer: Proudly C&M Australian made by Collier & Miller.
- Material: Premium 4140 Chrome-Moly Steel for maximum fatigue resistance.
- Dimensions: 16mm Diameter x 235mm Length (5/8" x 9.25").
- Design: Hollow end profile for direct compatibility with OEM hardware.
- Security: Pre-fitted with a high-strength retaining roll pin for secure installation.
- Build Quality: Precision-machined alloy shaft for smooth retraction and extension.
- Dispatch: Available for fast Australia-wide shipping from Collier & Miller.
Expert Maintenance Review
The retractable feed drum finger is a critical wear item responsible for "grabbing" crop from the drapers and delivering it to the feeder house. Using 4140 Chrome-Moly fingers provides a significant advantage in heavy harvesting conditions where standard fingers may bend or snap. We recommend inspecting the finger straightness and checking the security of the retaining roll pins during every preventative maintenance check.
Replacing worn fingers with this 4140 chrome-moly version is a high-performance choice for maintaining intake efficiency. The superior tensile strength of Chrome-Moly steel ensures the fingers maintain their effective timing for a longer service life, preventing the material "slugging" and feeding interruptions that occur when fingers become deformed under load.
Installation Tip: Check Finger Guides
When installing a new 337152 finger, always inspect the nylon finger guides in the drum skin. Worn guides allow for excessive lateral movement, which can cause even high-strength fingers to vibrate and wear prematurely. Ensuring your guides are in top condition alongside new 4140 fingers provides a reliable, high-capacity feeding setup.