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WHEEL END
DRIVE AXLE SPINDLE HARDWARE
For Light, Medium, and Heavy-Duty Trucks
MACK SW-56C SERIES AXLE
EUCLID
NO.
DESCRIP-
TION
ACROSS
FLATS
THREAD
SIZE
WASHERS
REPLACES
THICKNESS O.D.
I.D.
E-3505
Axle Spindle
Lock
Washer
Mack 23QJ129
Mack 25QJ125
Leland L2375
.16"
4.44" 2.89"
E-6144
Washer
Mack 35AX1411
.25"
4.13" 3.25"
E-3504
Inner Axle
Spindle Nut
Dana/Spicer 12-
443-90
Mack 25QJ168
Leland L2376
4.13"
2.88"-12
.38"
E-3506
Outer Axle
Spindle Nut
Mack 21AX626
Leland L2378
4.13"
2.88"-12
.38"
MACK SW-57C SERIES AXLES
EUCLID
NO.
DESCRIP-
TION
ACROSS
FLATS
THREAD
SIZE
WASHERS
REPLACES
THICKNESS O.D.
I.D.
E-3508
Axle Spindle
Lock
Washer
Mack 23QJ12B
Leland L2373
.25"
4.44" 2.95"
E-3509
Outer Axle
Spindle Nut
Mack 21AX335
Leland L2377
4.13"
2.94"-12
.38"
E-3507
Inner Axle
Spindle Nut
Mack 25QJ13
Leland L2374
4.13"
2.94"-12
.38"