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Two Stage Snowthrower Drive Systems Manual Introduction - 1
Introduction
This manual will cover service to the auger and traction drive systems on small and intermediate frame 2 stage
snowthrowers. Service information for Power Shift snowthrowers is contained in manual 492-0354.
The models covered are as follows*:
Model numbers 28XXX are Lawn-Boy.
Model numbers 38XXX are Toro.
Engines: All of the models in the table were
manufactured with engines from the Tecumseh
Products Company. Refer to their service manual for
engine information.
Note:
Maximum RPM for all models is 3300 ± 150 RPM.
* This manual may be specified for products produced
before 1990 or after 2002 in addition to the models
above.
Model Model Name Year Auger Gearbox Lubricant
28230 522R 1997-2000 MAG 1
28231 522R 1997 MAG 1
28232 824E 1999-2000 MAG 1
38051 522 2000-2001 MAG 1
38052 521 1990-1996 MAG 1
38053 824 2000-2002 MAG 1
38054 521 1990-1996 MAG 1
38056 521 1990-1991 MAG 1
38056C 521 1990 MAG 1
38062 622 1997-1999 MAG 1
38063 622 1997-2002 MAG 1
38064 622 2000-2002 MAG 1
38065 624 1990 90 wt.
38066 824XL 2000-2002 90 wt.
38072 724 1993-2000 MAG 1
38073 724 1993-2000 MAG 1
38078 824 2000-2002 MAG 1
38080 824 1990-1993 90 wt.
38083 824XL 1997-1999 90 wt.
38084 824XL 1997-1999 90 wt.
38085 824 1990 90 wt.
38086 824XL 2000-2002 90 wt.