2 Transmission Scania Training September 2011
Schedule Stage 1 • History • Gearbox program • Mainbox, range and split • Clutch • Input-, main and layshaft • Power flow through the gearbox • Synchromesh • Range and split • Gear changing • Lubrication system • Cooling system Stage 2 • Opticruise • PTO – Power takes-offs • Ratios • Propeller shaft • Central gear • Hub reduction
History
Cognot 1769
SCANIA MALMÖ 1909 Chaindrive
History • GRS 1000 High torque transmission, tunnelhouse, longer wheelbase No new program (1993 -1995) • GX New program, tunnelhouse, inside like the gearboxes today, new retarder. (1995 -1999) • Volvo cooperation • GY New program, Volvo cooperation, tunnel house, new assets in the gearbox, new retarder. (2000) • GZ New program, tunnelhouse, optimice assets, new retarder (2000 )
Scania´s Gearbox program
Type designations Gearboxes 4 x 2 A 0 L 2 R 6 DC A MN 13 00 1 L N 2 30 GRS 905 R 01 3 C 1 UB 4 x 2 EB L 01 7 0 D Your date here Info class Internal Department/Name/Subject 9
Gearboxes GRS 905 R Your date here Info class Internal Department/Name/Subject 10
Gearboxes GRS 905 R Your date here Info class Internal Department/Name/Subject 11
Gearbox Program Designations GR 875 Number of gears 4 x 2 8
Gearbox Program Designations Number of gears GR 875 4 x 2 GR 905 4 x 2+1 8 9
Gearbox Program Designations Number of gears GR 875 4 x 2 GR 905 4 x 2+1 8 9 GRS 895 GRSO 895 3 x 2 x 2 12
Gearbox Program Designations GR 875 Number of gears GR 905 4 x 2+1 8 9 GRS 895 GRSO 895 3 x 2 x 2 12 GRS 905 GRSO 925 3 x 2 x 2+2 14 4 x 2
Gearbox Program Purchased gearboxes Designations Transmatic (ZF) WSK 440 (ZF) Number of gears 4 x 2 x 2 16
Gearbox Program Purchased gearboxes Designations Number of gears Transmatic (ZF) WSK 440 (ZF) GA 765/766 (Alison) GA 752 (Alison) GA 866/867 (Alison) 4 x 2 x 2 16 6
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