Ref.

  P/N
  CONNECTING COMPONENTS REVERSE GEARBORG WARNER BB165A, BB170A, BB170B, BB170C
DESCRIPTION
1      Rev. gear ratio 1:1 N.S.S. (6) BW AS1 -71 CR
-      Rev. gear ratio 1,51 (6) BW AS2-71 CR
-      Rev. gear ratio 1,91:1, N.S.S. (3,6) BW AS7-71CR
-      Rev. gear ration 1.91:1, (7) BW AS7-71CR
-      Rev. gear ratio 2,11, N.S.S. (4,6) BW AS3-71CR
-      Rev. gear ratio 2,11 (7) BW AS3-71CR
-      Rev. gear ratio 2,91:1, N.S.S. (5,7) BW AS 15-71 CR
-      Rev. gear ratio 2,91:1 (7) BW AS1 5-71 CR
-      ...Components
2      Propeller shaft flange, see group 9
3   828831-8   Flexible coupling (5 7,8)
4   941909-4   ...Washer
5   940157-1   ...Nut
6   959241-1   ...Screw
7      Bracket
8   831074-0   Sealing strip
9   955535-0   Screw LENGTH 32MM
10   942336-9   Washer
11   831075-7   Gasket
12   831004-7   Flywheel casing
13   940160-5   Screw LENGTH 38MM
14   955549-1   Screw LENGTH 45MM
15   941909-4   Washer
16   940162-1   Screw Length 38MM
17   942336-9   Washer
18      Gasket
19   953529-5   Screw
20   940157-1   Nut
--   955836-2   Screw
21   941909-4   Washer
22      Oil cooler
23   180759-3   ...Plug
24   831173-0   Bracket
25   943478-8   Clamp (951794)
26   801769-1   Hose connection
27   180293-3   Nipple, see group 2B
28   829260-9   Hose Length 500MM, early production
--   829259-1   Hose Length 360MM, late production
29   829259-1   Hose Length 360MM
30   941757-7   Nipple, early production
--   941757-7   Nipple, late production
31   1677898-7   Ring
32   956984-9   Nut
33   804533-8   Extension nipple
34   827127-2   Bracket, see group 2A
35   940134-0   Screw, see group 2A
36   831175-5   Bracket
37   819068-8   Washer
38   819067-0   Clamp
39   950021-6   Screw
40   804312-7   Control cube
41   940191-0   Washer
42   17276-7   Cotter
43      Control cable, see group 9
44      Lift eye
45      Cooling water intake
--      Coupling flange
       N.S.S. = Not Sold Separately
       (3) Replaced by reverse gear 834707, flange 819105.
       (4) Replaced by reverse gear 834708, flange 819105
       (5) Replaced by reverse gear 834709
       (6) 4'' propeller shaft flange
       (7) 5'' propeller shaft flange
       (8) Predrilled