PART NO. A-AB4686R.Steering Arm (LH). High Crop With Round Tube Wide Front Axle Spline Count: 6. John Deere TRACTOR: A (WITH ROUND TUBE WIDE FRONT AXLE) John Deere TRACTOR: B (WITH ROUND TUBE WIDE FRONT AXLE) John Deere TRACTOR: 50 (WITH ROUND TUBE WIDE FRONT AXLE) John Deere TRACTOR: 60 (WITH ROUND TUBE WIDE FRONT AXLE) John Deere TRACTOR: 70 (WITH ROUND TUBE WIDE FRONT AXLE) Rear Axle/Steering Parts > Steering Arms and Shafts Gleaner COMBINE: G (WITH ROUND TUBE WIDE FRONT AXLE).