KR and XLR gearbox
ratios, late 1960’s:
4 sets of clutch
gears, 3 sets of 1st gear, 2 sets of 2nd gears and 2 sets
of 3rd gears to give the following combinations.
The sets identified
by a letter in the last column are the “preferred” factory sets
Page1:
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Countershaft 3rd gear |
1 |
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35709-54A |
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23 teeth |
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with |
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|
Countershaft 2nd gear |
Mainshaft 3rd gear |
|
|
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|
35750-58 |
35305-56 |
|
|
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|
20 teeth |
20 teeth |
|
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with |
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|
Mainshaft 2nd gear |
Countershaft 3rd gear |
2 |
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35296-56 |
35712-66R |
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|
23 teeth |
24 teeth |
|
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with |
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|
Countershaft 1st gear |
|
Mainshaft 3rd gear |
|
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|
35760-61R |
|
35312-66R |
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17 teeth |
|
20 teeth |
|
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with |
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|
Mainshaft 1rd gear |
|
Countershaft 3rd gear |
3 |
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|
35277-61R |
|
35709-54A |
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26 teeth |
|
23 teeth |
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with |
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|
Countershaft 2nd gear |
Mainshaft 3rd gear |
|
|
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|
35750-58R |
35305-56 |
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|
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|
22 teeth |
20 teeth |
|
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with |
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Mainshaft 2nd gear |
Countershaft 3rd gear |
4 |
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35296-56R |
35712-66R |
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|
23 teeth |
24 teeth |
|
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with |
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Mainshaft 3rd gear |
|
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|
35312-66R |
|
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|
20 teeth |
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Countershaft 3rd gear |
5 |
|
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|
|
35709-54A |
"STD" |
|
|
|
|
23 teeth |
|
|
|
|
|
with |
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|
|
Countershaft 2nd gear |
Mainshaft 3rd gear |
|
|
|
|
35750-58 |
35305-56 |
|
|
|
|
20 teeth |
20 teeth |
|
|
|
|
with |
|
|
|
|
|
Mainshaft 2nd gear |
Countershaft 3rd gear |
6 |
|
|
|
35296-56 |
35712-66R |
"M" |
|
|
|
23 teeth |
24 teeth |
|
|
|
|
|
with |
|
|
Clutch gear |
Countershaft 1st gear |
|
Mainshaft 3rd gear |
|
|
37449-56 |
35760-54RA |
|
35312-66R |
|
|
17 teeth |
17 teeth |
|
20 teeth |
|
|
with |
with |
|
|
|
|
Countershaft gear |
Mainshaft 1rd gear |
|
Countershaft 3rd gear |
7 |
|
35695-58 |
35277-52A |
|
35709-54A |
|
|
27 teeth |
27 teeth |
|
23 teeth |
|
|
|
|
|
with |
|
|
|
|
Countershaft 2nd gear |
Mainshaft 3rd gear |
|
|
|
|
35750-58R |
35305-56 |
|
|
|
|
22 teeth |
20 teeth |
|
|
|
|
with |
|
|
|
|
|
Mainshaft 2nd gear |
Countershaft 3rd gear |
8 |
|
|
|
35296-56R |
35712-66R |
|
|
|
|
23 teeth |
24 teeth |
|
|
|
|
|
with |
|
|
|
|
|
Mainshaft 3rd gear |
|
|
|
|
|
35312-66R |
|
|
|
|
|
20 teeth |
|
|
|
|
|
|
|
|
|
|
|
Countershaft 3rd gear |
9 |
|
|
|
|
35709-54A |
|
|
|
|
|
23 teeth |
|
|
|
|
|
with |
|
|
|
|
Countershaft 2nd gear |
Mainshaft 3rd gear |
|
|
|
|
35750-58 |
35305-56 |
|
|
|
|
20 teeth |
20 teeth |
|
|
|
|
with |
|
|
|
|
|
Mainshaft 2nd gear |
Countershaft 3rd gear |
10 |
|
|
|
35296-56 |
35712-66R |
|
|
|
|
23 teeth |
24 teeth |
|
|
|
|
|
with |
|
|
|
Countershaft 1st gear |
|
Mainshaft 3rd gear |
|
|
|
35760-54RA |
|
35312-66R |
|
|
|
17 teeth |
|
20 teeth |
|
|
|
with |
|
|
|
|
|
Mainshaft 1rd gear |
|
Countershaft 3rd gear |
11 |
|
|
35277-54R |
|
35709-54A |
|
|
|
28 teeth |
|
23 teeth |
|
|
|
|
|
with |
|
|
|
|
Countershaft 2nd gear |
Mainshaft 3rd gear |
|
|
|
|
35750-58R |
35305-56 |
|
|
|
|
22 teeth |
20 teeth |
|
|
|
|
with |
|
|
|
|
|
Mainshaft 2nd gear |
Countershaft 3rd gear |
12 |
|
|
|
35296-56R |
35712-66R |
|
|
|
|
23 teeth |
24 teeth |
|
|
|
|
|
with |
|
|
|
|
|
Mainshaft 3rd gear |
|
|
|
|
|
35312-66R |
|
|
|
|
|
20 teeth |
|
Patrick,
Sept 2009