495
4-Speed Big Twin
Sifton 1936-69 Big Twin Mainshafts are made to factory prints
for 4 Speed models.
VT No.
OEM
Years
35039-50 1936-64
35039-65 1965-69
35039-70B 1970-79
35039-80 L1980-E84
Big Twin Countershaft/Mainshaft
Rollers set of 88 used.
88 Pack 100 Pack OEM Size
.0008
.0010
Replacement BT Transmission
Bushings for 1941-85 3 & 4-Speed.
VT No. OEM
Application
10-0729 35789-36 Countershaft Low 1936-85
10-0730 35791-36 Countershaft Second
10-0727 35094-65 Main Drive Gear 1941-85
10-2548 35094-65 As Above Motor Shop
As Above Andrews Gear
10-0728 35322-38 Mainshaft Second & Third
Handshift Models Only
Main Drive Gear includes bushing and seal.
VT No. OEM
Year
Brand
1977-85 V-Twin
1977-85 Andrews with
35067-84
O-Ring Groove
1977-85 Sifton
Bushing
OE
Bushing
V-Twin
Bushing
Andrews
All
Gear Seal, 10 pack
*Note: Bushing to fit Andrews 4th gear only.
Genuine Torrington Needle Bearings feature
full compliment roller design.
VT No. OEM
Type/Use
BT 1958-99, Cam
MD Gear, 1977-81 BT
MD Gear, 1982-85 BT
Note the bearing surface O.D. for main drive gear bearings do
not interchange.
O.D. Year
Type
1.6290 1941-76
Loose Rollers
1.6235 1977-85
Full Complement
Refer to
page
494 for
the
parts
listing.
Oil Deflector Main Drive Gear Kit.
Includes all parts pictured to fit 1936-64 3
& 4-Speed models. Replaces 35211-36
lock nut.