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Hewland LD RATIOS

Part Number
Standard Gear
Part Number
1st Gear (See note above)
Description Ratio
  LD-13:37-INT LAYSHAFT & INT 1ST 2.846
LD-14:36-STD LD-14:36-1ST RATIO 2.571
  LD-15:36-1ST RATIO 2.400
  LD-15:35-1ST RATIO 2.333
LD-16:35-STD LD-16:35-1ST RATIO 2.188
  LD-16:35-INT REPLACED BY LOOSE 1ST 2.188
LD-16:34-STD LD-16:34-1ST RATIO 2.125
LD-17:35-STD LD-17:35-1ST RATIO 2.059
LD-15:30-STD LD-15:30-1ST RATIO 2.000
LD-16:32-STD   REPLACED BY 15:30 2.000
LD-16:31-STD LD-16:31-1ST RATIO 1.938
LD-16:30-STD LD-16:30-1ST RATIO 1.875
LD-16:29-STD LD-16:29-1ST RATIO 1.813
  LD-18:32-1ST RATIO 1.778
LD-17:30-STD LD-17:30-1ST RATIO 1.765
  LD-19:33-1ST RATIO #(SEE NOTE BELOW) 1.737
LD-17:29-STD LD-17:29-1ST RATIO 1.706
LD-17:28-STD LD-17:28-1ST RATIO 1.647
  LD-19:31-1ST RATIO #(SEE NOTE BELOW) 1.632
LD-18:29-STD LD-18:29-1ST RATIO 1.611
  LD-20:32-1ST DELETED 1.600
LD-18:28-STD LD-18:28-1ST RATIO 1.556
  LD-20:31-1ST REPLACED BY 18:28 1.550
LD-16:24-STD LD-16:24-1ST RATIO 1.500
  LD-20:30-1ST REPLACED BY 16:24 1.500
LD-18:27-STD
REPLACED BY 16:24
LD-18:27-1STTO BE REPLACED BY 16:24 (FROM 2001) RATIO 1.500
LD-19:28-STD   REPLACED BY 17:25 1.474
LD-17:25-STD   RATIO 1.471
LD-19:27-STD   RATIO 1.421
LD-18:25-STD   RATIO 1.389
LD-20:27-STD   RATIO 1.350
LD-19:25-STD   RATIO 1.316
LD-21:27-STD   RATIO 1.286
LD-19:24-STD   RATIO 1.263
LD-23:29-STD   REPLACD BY 19:24 1.261
LD-21:26-STD   RATIO 1.238
LD-23:28-STD   REPLACD BY 19:23 1.217
LD-19:23-STD   RATIO 1.211
LD-21:25-STD   RATIO 1.190
LD-24:28-STD   RATIO 1.167
LD-21:24-STD   RATIO 1.143
LD-24:27-STD   RATIO 1.125
LD-24:26-STD   RATIO 1.083
LD-23:24-STD   RATIO 1.043
LD-24:24-STD   RATIO 1.000
LD-25:24-STD   RATIO 0.960
LD-26:24-STD   RATIO 0.923
LD-27:24-STD   RATIO 0.889
  LD 5 SPEED 1ST RATIOS    
  LD5-14:36-1ST RATIO 2.571
  LD5-15:36-1ST RATIO 2.400
  LD5-15:35-1ST RATIO 2.333
  LD5-16:34-1ST RATIO 2.125
  LD5-16:35-1ST RATIO #(SEE NOTE BELOW) 2.188
  LD5-17:35-1ST RATIO #(SEE NOTE BELOW) 2.059
  LD5-17:34-1ST RATIO #(SEE NOTE BELOW) 2.000
  LD5-17:33-1ST RATIO #(SEE NOTE BELOW) 1.941
  LD5-18:34-1ST RATIO #(SEE NOTE BELOW) 1.889
  LD5-18:32-1ST RATIO #(SEE NOTE BELOW) 1.778
  LD5-19:33-1ST RATIO #(SEE NOTE BELOW) 1.737
  LD5-19:31-1ST RATIO #(SEE NOTE BELOW) 1.632

# NOTE These ratios are now obsolete, there are a few still available from Hewland but no more will be manufactured when stocks are exhausted.

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