Over-Run Couplers
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| TYPE | DESCRIPTION | Part Number | Size |
|---|---|---|---|
 | Special Free Wheel Coupling for early US models that do not have quick release groove on PTO shaft | A300002 | 1 1/8" x 6 spline female / 1 3/8" x 6 spline male |
 | Designed for fitting to implement end. Implement Safety Guard must cover coupling. Exclusive Design Features Internal Bearing Not to be fitted to tractor end as coupling may protrude past tractor PTO Guard | A300003 | 1 3/8" x 6 spline male / female |
| Special Reverse Rotation Version for early imported Asian Tractors | A300001 | 1 3/8" x 6 spline male / female |
| B6712 | 1 1/8" x 6 spline female / 1 3/8" x 6 spline male | |
 | 2 SERIES"A" 2 5/8" "B" 15/16" "C" 2 13/32" | RK21 | 1 3/8" x 6 splines |
| 4 SERIES"A" 3 1/4" "B" 1 1/16" "C" 2 15/16" | RK41 | 1 3/8" x 6 splines |
| 6 SERIES"A" 4" "B" 1 3/16" "C" 3 5/8" | RK61 | 1 3/8" x 6 splines |
 | W2600 SERIES"A" 4 1/2" "B" 1 21/32" "C" 4 3/32" | RK26 | 1 3/4" x 20 splines |