KAD42P-A; KAMD42P-A; HS1A Transmissions Drive Extension: 1' (25.4mm) DP KAD42P-A, KAMD42P-A Parts on group Drive Extension: 1' (25.4mm) DP: Pos. Part No Qty Parts name Comments 1. 854686 [1] Extension kit 2. 3. 854684 [1] Splined sleeve 4. 941873 [1] Hex. socket screw 5. 959448 [2] Hex. socket screw 6. 943762 [4] Stud 7. 832939 [4] Nut 8. 925256 [1] O-ring 9. 125017 [1] O-ring 10. 941820 [1] O-ring 11. 897823 [1] Oil pipe Parts catalog : Lower Gear Unit Intermediate Housing Upper Gear Unit: B Upper Gear Unit: A Duoprop Drive Unit Ratio 1.78:1 Lower Gear Unit: RATIO 1.78:1 Drive Extension: 4' (101.6mm) DP KAD42P-A, KAMD42P-A Drive Extension: 1'' (25.4MM) DPX KAD42P-A, KAMD42P-A Propeller for Duoprop Drives: A-PROPELLERS KAD42P-A, KAMD42P-A Propeller for Duoprop Drives: B-PROPELLERS KAD42P-A, KAMD42P-A Propeller for Duoprop Drives: C-, E-PROPELLERS KAD42P-A, KAMD42P-A Propeller Cone Kit, M20 KAD42P-A, KAMD42P-A