Usage:
3508, 3512, 3516 High Speed Industrial, Generator Set, Marine Engines
Description of Change: A new front idler gear and a new accessory drive gear are used in the 3500 Family of High Speed Engines. Both new gears have a different heat treat process, which gives more resistance to pitting and a deeper heat treated case.
Adaptable To: Both new gears are effective with the following models.
- 3508 Generator Set: 23Z2394, 1ZF475
- 3508 Industrial: 95Y752
- 3508 Marine: 96Y960
- 3508 Vehicular: 97Y670
- 3512 Generator Set: 24Z2601, 3YF360
- 3512 Industrial: 49Y528
- 3512 Marine: 50Y813
- 3512 Vehicular: 51Y579
- 3516 Generator Set: 25Z1555, 4XF261
- 3516 Industrial: 27Z671
- 3516 Marine: 29Z902
- 3516 Vehicular: 28Z622
- 3516 Locomotive: 9KF48
- 3508 Industrial: 95Y752
The new 7E0275 Gear (accessory drive) can be used directly in place of the former 7N5250 Gear. This former gear is identified by the number "7N5250" on the gear.
The new 7E0274 Idler Gear Assembly can replace the former 7N5241 Gear Assembly. This former gear assembly is identified by the number "7N5249" on the gear.
A new 7E0338 Front Gear Group has replaced the former 8N7174 Front Gear Group.