- Engines:
- 3606 (S/N: 8RB)
- 3608 (S/N: 6MC)
- 3612 (S/N: 9RC)
- 3616 (S/N: 1PD)
Two remanufactured governors are available to replace existing Caterpillar 3161 Governors on the above engines. The 0R-4105 Governor Group is for use in EPG applications. This governor includes the features that follow:
- An electric motor for speed setting
- Adjustable droop
The 0R-4106 Governor Group is for marine applications. This governor includes the features that follow:
- Pneumatic Speed Control with a range of 69 to 414 kPa (10 to 60 psi) for the speed setting
- Low Idle Offset with fixed droop
Except for the manual shutdown that is standard, these remanufactured governors do not come with any shutdown devices. The shutdown devices may be transfered from the governor that is being replaced to the remanufactured governor, or a new shutdown device can be ordered. Table 1 identifies the shutdown devices.
| Part Number | Description |
|---|---|
| 7W-3555 | Electrical Shutoff (ETS) |
| 7W-3610 | Electrical Shutoff (ETR) |
Note: See Service Manual, SENR3028, "Caterpillar 3161 Governor" for more information about changing and adjusting the shutdown devices.
The 0R-4106 Governor Group for marine applications may also require a change of springs in the governor control group. The spring may be transfered from the governor that is being replaced, or a new spring can be ordered. Table 2 identifies the springs that are needed for the different RPM ranges.
| Rated RPM | Spring Part Number |
|---|---|
| less than 800 | 7E-8417 |
| greater than 800 | 4W-6628 |
Note: See Service Manual, SENR3028, "Caterpillar 3161 Governor" for more information about changing the spring and adjusting the speed setting control.
The high idle speed of the remanufactured governors must be adjusted to the rating of the engine.
Note: See Service Manual, SENR3028, "Caterpillar 3161 Governor" for more information about the high idle adjustment of the governor.