Inner gears, 3 synchromesh with baulk ring, A-type, October 1962 up to September 1964
Gearbox
Cooper 997 cc, up to engine 9F/SA/28575
Required: 1
Gearbox, 20 teeth
Cooper S
for laygear 8823
Required: 1
first motion shaft
outer diameter: 62.5 mm
Required: 1
0.096 mm, ball bearing 1st motion shaft
replaced by 467566
Required: 1
0.098 mm, ball bearing 1st motion shaft
Required: 1
1st motion drive, 24 teeth
Required: 1
high quality steel reproduction of the original design
Required: 3
Required: 1
3rd and 4th speed, outer ring without groove
alternatives
Required: 1
3rd and 4th speed, outer ring with groove
alternatives
Required: 1
0.212" - 0.213", for 3. gear
as requiered
Required: 1
0.214" - 0.215", for 3. gear
as requiered
Required: 1
0.216" - 0.217", for 3. gear
as requiered
Required: 1
0.218" - 0.219", for 3. gear
as requiered
Required: 1
3rd speed
Cooper 997 cc upto engine 9F/SA/28576
Required: 1
3rd speed, 24 teeth
Cooper 997/998 cc engine 9F/SA/28576 on and Cooper S
for laygear 8823
Required: 1
2nd speed, 28 teeth
848 cc, 998 cc and Cooper 997 cc
Required: 1
2nd speed, 28 teeth
all Cooper S
for laygear 8823
Required: 1
1st gear, with 2nd gear synchronizer assembly
Required: 1
Double ball, Gearbox mainshaft
outer diameter: 65 mm
Required: 1
as stop in gearbox casing
for gearbox main bearing 215940
Required: 1
for gearbox main bearing, cast iron, 4 hole fitting
Required: 1
Laygear, large - 0.127" to 0.128"
as requiered
Cooper 997 cc up to engine 9F/SA/ 28575
Required: 1
Cooper 997 cc engine 9F/SA/ 28575 on
Required: 1
Teeth: 26/23/19/13
all Cooper and Cooper S
uses B-type 1st gear 313824 and reverse 472821
Required: 1
Reverse, with groove on gear
B type gear 472821 can be used alternatively
Required: 1
for reverse gear
Required: 1
Primary drive, 31 teeth, shaft size: 0.750" (19 mm)
equal shaft length
Required: 1
Idler gear, 0.130"- 0.131"
green coding, as requiered
Required: 2
Idler gear, 0.132"- 0.133"
black coding, as required
Required: 2
Idler gear, 0.134"- 0.135"
white coding, as requiered
Required: 2
Idler gear, 0.136"- 0.137"
blue coding, as requiered
Required: 2
Idler gear, 0.138"- 0.139"
red coding, as requiered
Required: 2
for idler gear
outer diameter: 1.004" (25.5 mm)
Required: 2
Gearbox side
for needle bearing 203708
Required: 1
1.1/8", 1/2" drive, for nut main shaft 1st motion
more workshop tools
Required: 1
with 1.1/2" AF (38 mm) spanner size. 1/2" square drive socket with 37 mm internal depth and 80 mm total height. For Austin Healey ball joints and many other applications
more workshop tools
Required: 1
