About This File
Transmission drive belt 78-7100 replaced by 7473 - HB x 81.9" or 5/8" x 81.9"
Tractor weight 656 lbs.
Appears the early and late model numbers identify a change made to the differential side bearings
Lube chart SS
Details & Attachments
3 pages 116.93KB
1986 312-8 model 21-12K802
1986 serial numbers that have shown up for the 21-12K802
15771
16269
17176
17383
18162
18625
18751
18891
19042
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Transmission drive belt 78-7100 replaced by 7473 - HB x 81.9" or 5/8" x 81.9"
Details & Attachments
3 pages 116.93KB
1986 312-8 model 21-12K803
1986 serial numbers that have shown up for the 21-12K803
15253
Link to Illustrated parts list, Service manual and Wiring