John Deere® Compatible Knife Drive Wobble Box
Restore the cutting efficiency of your header with this high-performance aftermarket knife drive wobble box. Specifically engineered for early-model John Deere® cutting platforms, auger headers, and mower conditioners, this assembly is the professional solution for repairing worn components in the primary knife drive system.
This wobble box is a precision-manufactured direct replacement designed to convert rotary motion into the rapid reciprocating action required for clean crop cutting. Built to withstand the extreme vibration and abrasion of the cutting zone, this high-strength unit ensures your product feeding begins with a clean cut, keeping your machine in top condition and providing a reliable longer service life across multiple harvest seasons.
John Deere® OEM Cross-Reference
Replaces OEM Part Numbers: AE41481, A-AE41481
Wobble Box Compatibility: John Deere Cutting Platforms & Windrowers
| Series |
Models |
Application |
| John Deere 200 Series |
200, 213, 215, 216, 218, 220, 224, 230 |
Rigid/Flex Platforms |
| John Deere 900 Series |
913F–930F (Flex), 913R–930R (Rigid) |
Cutting Platforms |
| John Deere 800 Series |
810, 812, 814, 816, 818, 820, 825 |
Draper/Rigid Headers |
| JD Mower Conditioners |
710, 720 |
Windrower/Mower |
| JD Auger Headers |
31, 36, 66 (300A Series) |
Auger Drive |
Technical Specifications & Features
- Quality: Premium quality aftermarket complete assembly.
- Design: Heavy-duty internal bearings designed for high-frequency reciprocating loads.
- Hardware Included: Comes complete with E43336 Lock Nut, 24H1399 Washer, 14H912 Nut, and E87643 Washer.
- Refurbishment: Engineered to repair worn components and eliminate excess knife head play.
- Performance: Maintains high-performance sickle speeds for reduced crop shatter.
- Dispatch: Available for fast Australia-wide shipping from Collier & Miller.
Expert Maintenance Review
The knife drive wobble box is a critical mechanical link that experiences extreme stress. Over time, internal bearings and eccentric shafts develop play due to constant vibration and abrasion, leading to poor cutting quality and increased load on the primary drive belts. We recommend checking for lateral play in the output shaft during every preventative maintenance check to identify worn components before they lead to a complete drive failure mid-harvest.
Upgrading to this high-performance wobble box is a strategic way to save money on long-term repairs. A tight, well-lubricated wobble box ensures a clean cut at the knife, which reduces the power required for product feeding and keeps your entire header in top condition for a longer service life.
Installation Tip: Knife Alignment
When installing your new AE41481 wobble box, ensure the knife head and sickle bars are perfectly aligned and moving freely in the guards. Any resistance or "binding" in the knife will place uneven stress on the new high-strength wobble box internals, leading to premature wear. This is the ideal time to check your knife drive belt tension and pulley alignment.