Service Bulletins - MTZ-920.4:
9-2016 921.4 Parts book correction due to PTO 920-4202010 modification
10-2016 920.4 952.4 Parts book correction due to PTO 90-4202010 introduction
24-2016 900.4 Series Operator's manuals correction due to PTO 90-4202010 introduction
28-2016 900.4 Series Operator's manuals correction due to PTO 90-4202010 introduction
21-2015 920.4 952.4 Gearbox Control Modification Parts book
13-2014 920.4 952.4 Steering system changes Parts book
50-2013 920.4 952.4 Fire safety requirements Operator's Manual
38-2012 920.4 952.4 Changes in gearbox design. Parts book.
Service Bulletins - MTZ-952.4:
10-2016 952.4 Parts book correction due to PTO 90-4202010 introduction
21-2015 952.4 Gearbox Control Modification Parts book
13-2014 952.4 Steering system changes Parts book
50-2013 952.4 Fire safety requirements Operator's Manual
38-2012 952.4 Changes in gearbox design. Parts book.
70-2012 952.4 Hydraulic distributor with fixed UPLIFT position Operator's manual
12-2011 952.4 Hydraulic distributor with fixed UPLIFT position Operator's manual
Service Bulletins - MTZ-1220.4:
12-2020 1220.4 Cleaning of the pressure disks of the dry friction service brakes
25-2016 1220.4 Parts book correction due to Creeper 1025-1706000-B-01 installation
15-2015 1220.4 Rear Wheel Cone hubs installation Operator's Manual
49-2015 1220.4 Engine D-245.2S2 oil grades Operator's Manual
25-2013 1220.4 Updates of PTO control units Operator's Manual
49-2013 1220.4 Fire safety requirements Operator's Manual
32-2012 1220.4 Change of turn signal switchand dashboard design
16-2011 1220.4 Hydraulic distributor with fixed UPLIFT position Operator's manual
Service Bulletins - MTZ-1221.4:
12-2020 1221.4 Cleaning of the pressure disks of the dry friction service brakes
2-2016 1221.4 Introduction the PTO indication system Speed sensor adjustment in Operator's Manual
14-2016 1221.4 Engine Display parameters changes in Operator's Manual
26-2016 1221.4 Creeper Modification
30-2016 1221.4 Draw bar information changes in Operator's Manual
16-2015 1221.4 Rear Wheel Cone hubs installation Operator's Manual
26-2013 1221.4 Updates of PTO control units Operator's Manual
40-2013 1221.4 Fire safety requirements
51-2013 1221.4 Updates on engine air cleaner service
30-2012 1221.4 Change of turn signal switch and dashboard design
17-2011 1221.4 Hydraulic distributor with fixed UPLIFT position Operator's manual